SLAS666B January   2010  – October 2018 TLV320DAC3101

PRODUCTION DATA.  

  1. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
    3. 1.3 Description
    4. 1.4 Functional Block Diagram
  2. 2Revision History
  3. 3Pin Configuration and Functions
    1. 3.1 Pin Attributes
  4. 4Specifications
    1. 4.1  Absolute Maximum Ratings
    2. 4.2  ESD Ratings
    3. 4.3  Recommended Operating Conditions
    4. 4.4  Thermal Information
    5. 4.5  Electrical Characteristics
    6. 4.6  Power Dissipation Ratings
    7. 4.7  I2S, LJF, and RJF Timing in Slave Mode
    8. 4.8  DSP Timing in Master Mode
    9. 4.9  DSP Timing in Slave Mode
    10. 4.10 I2C Interface Timing
    11. 4.11 Typical Characteristics
      1. 4.11.1 DAC Performance
      2. 4.11.2 Class-D Speaker Driver Performance
      3. 4.11.3 Analog Bypass Performance H
      4. 4.11.4 MICBIAS Performance H
  5. 5Parameter Measurement Information
  6. 6Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1  Power-Supply Sequence
      2. 6.3.2  Reset
      3. 6.3.3  Device Start-Up Lockout Times
      4. 6.3.4  PLL Start-Up
      5. 6.3.5  Power-Stage Reset
      6. 6.3.6  Software Power Down
      7. 6.3.7  Audio Analog I/O
      8. 6.3.8  Digital Processing Low-Power Modes
        1. 6.3.8.1 DAC Playback on Headphones, Stereo, 48 kHz, DVDD = 1.8 V, AVDD = 3.3 V, HPVDD = 3.3 V
        2. 6.3.8.2 DAC Playback on Headphones, Mono, 48 kHz, DVDD = 1.8 V, AVDD = 3.3 V, HPVDD = 3.3 V
        3. 6.3.8.3 DAC Playback on Headphones, Stereo, 8 kHz, DVDD = 1.8 V, AVDD = 3.3 V, HPVDD = 3.3 V
        4. 6.3.8.4 DAC Playback on Headphones, Mono, 8 kHz, DVDD = 1.8 V, AVDD = 3.3 V, HPVDD = 3.3 V
        5. 6.3.8.5 DAC Playback on Headphones, Stereo, 192 kHz, DVDD = 1.8 V, AVDD = 3.3 V, HPVDD = 3.3 V
        6. 6.3.8.6 DAC Playback on Line Out (10 k-Ω load), Stereo, 48 kHz, DVDD = 1.8 V, AVDD = 3 V, HPVDD = 3 V
      9. 6.3.9  Analog Signals
        1. 6.3.9.1 MICBIAS
        2. 6.3.9.2 Analog Inputs AIN1 and AIN2
      10. 6.3.10 Audio DAC and Audio Analog Outputs
        1. 6.3.10.1  DAC
          1. 6.3.10.1.1 DAC Processing Blocks
          2. 6.3.10.1.2 DAC Processing Blocks — Details
            1. 6.3.10.1.2.1  Three Biquads, Filter A
            2. 6.3.10.1.2.2  Six Biquads, First-Order IIR, DRC, Filter A or B
            3. 6.3.10.1.2.3  Six Biquads, First-Order IIR, Filter A or B
            4. 6.3.10.1.2.4  IIR, Filter B or C
            5. 6.3.10.1.2.5  Four Biquads, DRC, Filter B
            6. 6.3.10.1.2.6  Four Biquads, Filter B
            7. 6.3.10.1.2.7  Four Biquads, First-Order IIR, DRC, Filter C
            8. 6.3.10.1.2.8  Four Biquads, First-Order IIR, Filter C
            9. 6.3.10.1.2.9  Two Biquads, 3D, Filter A
            10. 6.3.10.1.2.10 Five Biquads, DRC, 3D, Filter A
            11. 6.3.10.1.2.11 Five Biquads, DRC, 3D, Beep Generator, Filter A
          3. 6.3.10.1.3 DAC User-Programmable Filters
            1. 6.3.10.1.3.1 First-Order IIR Section
            2. 6.3.10.1.3.2 Biquad Section
          4. 6.3.10.1.4 DAC Interpolation Filter Characteristics
            1. 6.3.10.1.4.1 Interpolation Filter A
            2. 6.3.10.1.4.2 Interpolation Filter B
            3. 6.3.10.1.4.3 Interpolation Filter C
        2. 6.3.10.2  DAC Digital-Volume Control
        3. 6.3.10.3  Volume Control Pin
        4. 6.3.10.4  Dynamic Range Compression
          1. 6.3.10.4.1 DRC Threshold
          2. 6.3.10.4.2 DRC Hysteresis
          3. 6.3.10.4.3 DRC Hold Time
          4. 6.3.10.4.4 DRC Attack Rate
          5. 6.3.10.4.5 DRC Decay Rate
          6. 6.3.10.4.6 Example Setup for DRC
        5. 6.3.10.5  Headphone Detection
        6. 6.3.10.6  Interrupts
        7. 6.3.10.7  Key-Click Functionality With Digital Sine-Wave Generator (PRB_P25)
        8. 6.3.10.8  Programming DAC Digital Filter Coefficients
        9. 6.3.10.9  Updating DAC Digital Filter Coefficients During PLAY
        10. 6.3.10.10 Digital Mixing and Routing
        11. 6.3.10.11 Analog Audio Routing
          1. 6.3.10.11.1 Analog Output Volume Control
          2. 6.3.10.11.2 Headphone Analog-Output Volume Control
          3. 6.3.10.11.3 Class-D Speaker Analog Output Volume Control
        12. 6.3.10.12 Analog Outputs
          1. 6.3.10.12.1 Headphone Drivers
          2. 6.3.10.12.2 Speaker Drivers
        13. 6.3.10.13 Audio-Output Stage-Power Configurations
        14. 6.3.10.14 DAC Setup
        15. 6.3.10.15 Example Register Setup to Play Digital Data Through DAC and Headphone/Speaker Outputs
      11. 6.3.11 CLOCK Generation and PLL
        1. 6.3.11.1 PLL
      12. 6.3.12 Timer
      13. 6.3.13 Digital Audio and Control Interface
        1. 6.3.13.1 Digital Audio Interface
          1. 6.3.13.1.1 Right-Justified Mode
          2. 6.3.13.1.2 Left-Justified Mode
          3. 6.3.13.1.3 I2S Mode
          4. 6.3.13.1.4 DSP Mode
        2. 6.3.13.2 Primary and Secondary Digital Audio Interface Selection
        3. 6.3.13.3 Control Interface
          1. 6.3.13.3.1 I2C Control Mode
    4. 6.4 Register Map
      1. 6.4.1 Register Map
      2. 6.4.2 Registers
        1. 6.4.2.1 Control Registers, Page 0 (Default Page): Clock Multipliers, Dividers, Serial Interfaces, Flags, Interrupts, and GPIOs
          1. Table 6-31 Page 0 / Register 0 (0x00): Page Control Register
          2. Table 6-32 Page 0 / Register 1 (0x01): Software Reset
          3. Table 6-33 Page 0 / Register 2 (0x02): Reserved
          4. Table 6-34 Page 0 / Register 3 (0x03): OT FLAG
          5. Table 6-35 Page 0 / Register 4 (0x04): Clock-Gen Muxing
          6. Table 6-36 Page 0 / Register 5 (0x05): PLL P and R Values
          7. Table 6-37 Page 0 / Register 6 (0x06): PLL J-Value
          8. Table 6-38 Page 0 / Register 7 (0x07): PLL D-Value MSB
          9. Table 6-39 Page 0 / Register 8 (0x08): PLL D-Value LSB
          10. Table 6-40 Page 0 / Register 9 (0x09) and Page 0 / Register 10 (0x0A): Reserved
          11. Table 6-41 Page 0 / Register 11 (0x0B): DAC NDAC_VAL
          12. Table 6-42 Page 0 / Register 12 (0x0C): DAC MDAC_VAL
          13. Table 6-43 Page 0 / Register 13 (0x0D): DAC DOSR_VAL MSB
          14. Table 6-44 Page 0 / Register 14 (0x0E): DAC DOSR_VAL LSB
          15. Table 6-45 Page 0 / Register 15 (0x0F) through Page 0 / Register 24 (0x18): Reserved
          16. Table 6-46 Page 0 / Register 25 (0x19): CLKOUT MUX
          17. Table 6-47 Page 0 / Register 26 (0x1A): CLKOUT M_VAL
          18. Table 6-48 Page 0 / Register 27 (0x1B): Codec Interface Control 1
          19. Table 6-49 Page 0 / Register 28 (0x1C): Data-Slot Offset Programmability
          20. Table 6-50 Page 0 / Register 29 (0x1D): Codec Interface Control 2
          21. Table 6-51 Page 0 / Register 30 (0x1E): BCLK N_VAL
          22. Table 6-52 Page 0 / Register 31 (0x1F): Codec Secondary Interface Control 1
          23. Table 6-53 Page 0 / Register 32 (0x20): Codec Secondary Interface Control 2
          24. Table 6-54 Page 0 / Register 33 (0x21): Codec Secondary Interface Control 3
          25. Table 6-55 Page 0 / Register 34 (0x22): I2C Bus Condition
          26. Table 6-56 Page 0 / Register 35 (0x23) and Page 0 / Register 36 (0x24): Reserved
          27. Table 6-57 Page 0 / Register 37 (0x25): DAC Flag Register
          28. Table 6-58 Page 0 / Register 38 (0x26): DAC Flag Register
          29. Table 6-59 Page 0 / Register 39 (0x27): Overflow Flags
          30. Table 6-60 Page 0 / Register 40 (0x28) Through Page 0 / Register 43 (0x2B): Reserved
          31. Table 6-61 Page 0 / Register 44 (0x2C): DAC Interrupt Flags (Sticky Bits)
          32. Table 6-62 Page 0 / Register 45 (0x2D): Reserved
          33. Table 6-63 Page 0 / Register 46 (0x2E): Interrupt Flags—DAC
          34. Table 6-64 Page 0 / Register 47 (0x2F): Reserved
          35. Table 6-65 Page 0 / Register 48 (0x30): INT1 Control Register
          36. Table 6-66 Page 0 / Register 49 (0x31): INT2 Control Register
          37. Table 6-67 Page 0 / Register 50 (0x32): Reserved
          38. Table 6-68 Page 0 / Register 52 (0x34): Reserved
          39. Table 6-69 Page 0 / Register 53: Reserved
          40. Table 6-70 Page 0 / Register 54 (0x36): DIN (IN Pin) Control
          41. Table 6-71 Page 0 / Register 55 (0x37) through Page 0 / Register 59 (0x3B): Reserved
          42. Table 6-72 Page 0 / Register 60 (0x3C): DAC Processing Block Selection
          43. Table 6-73 Page 0 / Register 61 (0x3D)Through Page 0 / Register 62: Reserved
          44. Table 6-74 Page 0 / Register 63 (0x3F): DAC Data-Path Setup
          45. Table 6-75 Page 0 / Register 64 (0x40): DAC Volume Control
          46. Table 6-76 Page 0 / Register 65 (0x41): DAC Left Volume Control
          47. Table 6-77 Page 0 / Register 66 (0x42): DAC Right Volume Control
          48. Table 6-78 Page 0 / Register 67 (0x43): Headset Detection
          49. Table 6-79 Page 0 / Register 68 (0x44): DRC Control 1
          50. Table 6-80 Page 0 / Register 69 (0x45): DRC Control 2
          51. Table 6-81 Page 0 / Register 70 (0x46): DRC Control 3
          52. Table 6-82 Page 0 / Register 71 (0x47): Left Beep Generator
          53. Table 6-83 Page 0 / Register 72 (0x48): Right Beep Generator
          54. Table 6-84 Page 0 / Register 73 (0x49): Beep Length MSB
          55. Table 6-85 Page 0 / Register 74 (0x4A): Beep-Length Middle Bits
          56. Table 6-86 Page 0 / Register 75 (0x4B): Beep Length LSB
          57. Table 6-87 Page 0 / Register 76 (0x4C): Beep Sin(x) MSB
          58. Table 6-88 Page 0 / Register 77 (0x4D): Beep Sin(x) LSB
          59. Table 6-89 Page 0 / Register 78 (0x4E): Beep Cos(x) MSB
          60. Table 6-90 Page 0 / Register 79 (0x4F): Beep Cos(x) LSB
          61. Table 6-91 Page 0 / Register 80 (0x50) Through Page 0 / Register 115 (0x73): Reserved
          62. Table 6-92 Page 0 / Register 116 (0x74): VOL/MICDET-Pin SAR ADC — Volume Control
          63. Table 6-93 Page 0 / Register 117 (0x75): VOL/MICDET-Pin Gain
          64. Table 6-94 Page 0 / Register 118 (0x76) Through Page 0 / Register 127 (0x7F): Reserved
        2. 6.4.2.2 Control Registers, Page 1: DAC, Power-Controls, and MISC Logic-Related Programmability
          1. Table 6-95  Page 1 / Register 0 (0x00): Page Control Register
          2. Table 6-96  Page 1 / Register 1 (0x01) Through Page 1 / Register 29 (0x1D): Reserved
          3. Table 6-97  Page 1 / Register 30 (0x1E): Headphone and Speaker Amplifier Error Control
          4. Table 6-98  Page 1 / Register 31 (0x1F): Headphone Drivers
          5. Table 6-99  Page 1 / Register 32 (0x20): Class-D Speaker Amplifier
          6. Table 6-100 Page 1 / Register 33 (0x21): HP Output Drivers POP Removal Settings
          7. Table 6-101 Page 1 / Register 34 (0x22): Output Driver PGA Ramp-Down Period Control
          8. Table 6-102 Page 1 / Register 35 (0x23): DAC_L and DAC_R Output Mixer Routing
          9. Table 6-103 Page 1 / Register 36 (0x24): Left Analog Volume to HPL
          10. Table 6-104 Page 1 / Register 37 (0x25): Right Analog Volume to HPR
          11. Table 6-105 Page 1 / Register 38 (0x26): Left Analog Volume to SPL
          12. Table 6-106 Page 1 / Register 39 (0x27): Right Analog Volume to SPR
          13. Table 6-107 Page 1 / Register 40 (0x28): HPL Driver
          14. Table 6-108 Page 1 / Register 41 (0x29): HPR Driver
          15. Table 6-109 Page 1 / Register 42 (0x2A): SPL Driver
          16. Table 6-110 Page 1 / Register 43 (0x2B): SPR Driver
          17. Table 6-111 Page 1 / Register 44 (0x2C): HP Driver Control
          18. Table 6-112 Page 1 / Register 45 (0x2D): Reserved
          19. Table 6-113 Page 1 / Register 46 (0x2E): MICBIAS
          20. Table 6-114 Page 1 / Register 50 (0x32): Input CM Settings
          21. Table 6-115 Page 1 / Register 51 (0x33) Through Page 1 / Register 127 (0x7F): Reserved
        3. 6.4.2.3 Control Registers, Page 3: MCLK Divider for Programmable Delay Timer
          1. Table 6-116 Page 3 / Register 0 (0x00): Page Control Register
          2. Table 6-117 Page 3 / Register 16 (0x10): Timer Clock MCLK Divider
        4. 6.4.2.4 Control Registers, Page 8: DAC Programmable Coefficients RAM Buffer A (1:63)
          1. Table 6-118 Page 8 / Register 0 (0x00): Page Control Register
          2. Table 6-119 Page 8 / Register 1 (0x01): DAC Coefficient RAM Control
          3. Table 6-120 Page-8 DAC Buffer A Registers
        5. 6.4.2.5 Control Registers, Page 9: DAC Programmable Coefficients RAM Buffer A (65:127)
          1. Table 6-121 Page 9 / Register 0 (0x00): Page Control Register
          2. Table 6-122 Page-9 DAC Buffer A Registers
        6. 6.4.2.6 Control Registers, Page 12: DAC Programmable Coefficients RAM Buffer B (1:63)
          1. Table 6-1   Page 12 / Register 0 (0x00): Page Control Register
          2. Table 6-123 Page-12 AC Buffer B Registers
        7. 6.4.2.7 Control Registers, Page 13: DAC Programmable Coefficients RAM Buffer B (65:127)
          1. Table 6-2   Page 13 / Register 0 (0x00): Page Control Register
          2. Table 6-124 Page-13 DAC Buffer B Registers
  7. 7Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curves
  8. 8Power Supply Recommendations
  9. 9Layout
    1. 9.1 Layout Guidelines
    2. 9.2 Layout Example

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.4.2.2 Control Registers, Page 1: DAC, Power-Controls, and MISC Logic-Related Programmability

Table 6-95 Page 1 / Register 0 (0x00): Page Control Register

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D0 R/W 0000 0000 0000 0000: Page 0 selected
0000 0001: Page 1 selected
...
1111 1110: Page 254 selected
1111 1111: Page 255 selected

Table 6-96 Page 1 / Register 1 (0x01) Through Page 1 / Register 29 (0x1D): Reserved

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D0 R/W XXXX XXXX Reserved. Do not write to these registers.

Table 6-97 Page 1 / Register 30 (0x1E): Headphone and Speaker Amplifier Error Control

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D2 R/W 0000 00 Reserved
D1 R/W 0 0: Reset SPL and SPR power-up control bits on short-circuit detection.
1: SPL and SPR power-up control bits remain unchanged on short-circuit detection.
D0 R/W 0 0: Reset HPL and HPR power-up control bits on short-circuit detection if page 1 / register 31, D1 = 1.
1: HPL and HPR power-up control bits remain unchanged on short-circuit detection.

Table 6-98 Page 1 / Register 31 (0x1F): Headphone Drivers

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: HPL output driver is powered down.
1: HPL output driver is powered up.
D6 R/W 0 0: HPR output driver is powered down.
1: HPR output driver is powered up.
D5 R/W 0 Reserved. Write only zero to this bit.
D4–D3 R/W 0 00: Output common-mode voltage = 1.35 V
01: Output common-mode voltage = 1.5 V
10: Output common-mode voltage = 1.65 V
11: Output common-mode voltage = 1.8 V
D2 R/W 1 Reserved. Write only 1 to this bit.
D1 R/W 0 0: If short-circuit protection is enabled for headphone driver and short circuit detected, device limits the
    maximum current to the load.
1: If short-circuit protection is enabled for headphone driver and short circuit detected, device powers
    down the output driver.
D0 R 0 0: Short circuit is not detected on the headphone driver.
1: Short circuit is detected on the headphone driver.

Table 6-99 Page 1 / Register 32 (0x20): Class-D Speaker Amplifier

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: Left-channel class-D output driver is powered down.
1: Left-channel class-D output driver is powered up.
D6 R/W 0 0: Right-channel class-D output driver is powered down.
1: Right-channel class-D output driver is powered up.
D5–D1 R/W 00 011 Reserved. Write only the reset value to this bit.
D0 R 0 0: Short circuit is not detected on the class-D driver. Valid only if class-D amplifier is powered up. For
    short-circuit flag sticky bit, see page 0 / register 44.
1: Short circuit is detected on the class-D driver. Valid only if class-D amp is powered-up. For short-
    circuit flag sticky bit, see page 0 / register 44.

Table 6-100 Page 1 / Register 33 (0x21): HP Output Drivers POP Removal Settings

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: If the power down sequence is activated by device software, power down using page 1 / register 46,
││ bit D7, then power down the DAC simultaneously with the HP and SP amplifiers.
1: If the power down sequence is activated by device software, power down using page 1 / register 46,
││ bit D7, then power down DAC only after HP and SP amplifiers are completely powered down. This is to
││ optimize power-down POP.
D6–D3 R/W 0111 0000: Driver power-on time = 0 μs
0001: Driver power-on time = 15.3 μs
0010: Driver power-on time = 153 μs
0011: Driver power-on time = 1.53 ms
0100: Driver power-on time = 15.3 ms
0101: Driver power-on time = 76.2 ms
0110: Driver power-on time = 153 ms
0111: Driver power-on time = 304 ms
1000: Driver power-on time = 610 ms
1001: Driver power-on time = 1.22 s
1010: Driver power-on time = 3.04 s
1011: Driver power-on time = 6.1 s
1100–1111: Reserved. Do not write these sequences to these bits.
Note: These values are based on typical oscillator frequency of 8.2 MHz. Scale according to the actual oscillator frequency.
D2–D1 R/W 11 00: Driver ramp-up step time = 0 ms
01: Driver ramp-up step time = 0.98 ms
10: Driver ramp-up step time = 1.95 ms
11: Driver ramp-up step time = 3.9 ms
Note: These values are based on typical oscillator frequency of 8.2 MHz. Scale according to the actual oscillator frequency.
D0 R/W 0 0: Weakly driven output common-mode voltage is generated from resistor divider of the AVDD supply.
1: Reserved

Table 6-101 Page 1 / Register 34 (0x22): Output Driver PGA Ramp-Down Period Control

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 Reserved. Write only the reset value to this bit.
D6–D4 R/W 000 Speaker power-up wait time (duration based on using internal oscillator)
000: Wait time = 0 ms
001: Wait time = 3.04 ms
010: Wait time = 7.62 ms
011: Wait time = 12.2 ms
100: Wait time = 15.3 ms
101: Wait time = 19.8 ms
110: Wait time = 24.4 ms
111: Wait time = 30.5 ms
Note: These values are based on typical oscillator frequency of 8.2 MHz. Scale according to the actual oscillator frequency.
D3–D0 R/W 0000 Reserved. Write only the reset value to these bits.

Table 6-102 Page 1 / Register 35 (0x23): DAC_L and DAC_R Output Mixer Routing

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D6 R/W 00 00: DAC_L is not routed anywhere.
01: DAC_L is routed to the left-channel mixer amplifier.
10: DAC_L is routed directly to the HPL driver.
11: Reserved
D5 R/W 0 0: AIN1 input is not routed to the left-channel mixer amplifier.
1: AIN1 input is routed to the left-channel mixer amplifier.
D4 0 0: AIN2 input is not routed to the left-channel mixer amplifier.
1: AIN2 input is routed to the left-channel mixer amplifier.
D3–D2 R/W 00 00: DAC_R is not routed anywhere.
01: DAC_R is routed to the right-channel mixer amplifier.
10: DAC_R is routed directly to the HPR driver.
11: Reserved
D1 R/W 0 0: AIN2 input is not routed to the right-channel mixer amplifier.
1: AIN2 input is routed to the right-channel mixer amplifier.
D0 R/W 0 0: HPL driver output is not routed to the HPR driver.
1: HPL driver output is routed to the HPR driver input (used for differential output mode).

Table 6-103 Page 1 / Register 36 (0x24): Left Analog Volume to HPL

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: Left-channel analog volume control is not routed to HPL output driver.
1: Left-channel analog volume control is routed to HPL output driver.
D6–D0 R/W 111 1111 Left-channel analog volume control gain (non-linear) for the HPL output driver, 0 dB to –78 dB. See Table 6-24.

Table 6-104 Page 1 / Register 37 (0x25): Right Analog Volume to HPR

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: Right-channel analog volume control output is not routed to HPR output driver.
1: Right-channel analog volume control is routed to HPR output driver.
D6–D0 R/W 111 1111 Right-channel analog volume control gain (non-linear) for the HPR output driver, 0 dB to –78 dB. See Table 6-24.

Table 6-105 Page 1 / Register 38 (0x26): Left Analog Volume to SPL

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: Left-channel analog volume control output is not routed to left-channel class-D output driver.
1: Left-channelanalog volume control output is routed to left-channel class-D output driver.
D6–D0 R/W 111 1111 Left-channelanalog volume control output gain (non-linear) for the left-channel class-D output driver, 0 dB to –78 dB. See Table 6-24.

Table 6-106 Page 1 / Register 39 (0x27): Right Analog Volume to SPR

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: Right-channel analog volume control output is not routed to right-channel class-D output driver.
1: Right-channel analog volume control output is routed to right-channel class-D output driver.
D6–D0 R/W 111 1111 Right-channel analog volume control output gain (non-linear) for the right-channel class-D output driver, 0 dB to –78 dB. See and Table 6-24.

Table 6-107 Page 1 / Register 40 (0x28): HPL Driver

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 Reserved. Write only zero to this bit.
D6–D3 R/W 0000 0000: HPL driver PGA = 0 dB
0001: HPL driver PGA = 1 dB
0010: HPL driver PGA = 2 dB
...
1000: HPL driver PGA = 8 dB
1001: HPL driver PGA = 9 dB
1010–1111: Reserved. Do not write these sequences to these bits.
D2 R/W 0 0: HPL driver is muted.
1: HPL driver is not muted.
D1 R/W 1 Reserved
D0 R 0 0: Not all programmed gains to HPL have been applied yet.
1: All programmed gains to HPL have been applied.

Table 6-108 Page 1 / Register 41 (0x29): HPR Driver

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 Reserved. Write only zero to this bit.
D6–D3 R/W 0000 0000: HPR driver PGA = 0 dB
0001: HPR driver PGA = 1 dB
0010: HPR driver PGA = 2 dB
...
1000: HPR driver PGA = 8 dB
1001: HPR driver PGA = 9 dB
1010–1111: Reserved. Do not write these sequences to these bits.
D2 R/W 0 0: HPR driver is muted.
1: HPR driver is not muted.
D1 R/W 1 Reserved. Write only '1' to this bit.
D0 R 0 0: Not all programmed gains to HPR have been applied yet.
1: All programmed gains to HPR have been applied.

Table 6-109 Page 1 / Register 42 (0x2A): SPL Driver

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D5 R/W 000 Reserved. Write only zeros to these bits.
D4–D3 R/W 00 00: Left-channel class-D driver output stage gain = 6 dB
01: Left-channel class-D driver output stage gain = 12 dB
10: Left-channel class-D driver output stage gain = 18 dB
11: Left-channel class-D driver output stage gain = 24 dB
D2 R/W 0 0: Left-channel class-D driver is muted.
1: Left-channel class-D driver is not muted.
D1 R/W 0 Reserved. Write only zero to this bit.
D0 R 0 0: Not all programmed gains to the Left-channel class-D driver have been applied yet.
1: All programmed gains to the Left-channel class-D driver have been applied.

Table 6-110 Page 1 / Register 43 (0x2B): SPR Driver

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D5 R/W 000 Reserved. Write only zeros to these bits.
D4–D3 R/W 00 00: Right-channel class-D driver output stage gain = 6 dB
01: Right-channel class-D driver output stage gain = 12 dB
10: Right-channel class-D driver output stage gain = 18 dB
11: Right-channel class-D driver output stage gain = 24 dB
D2 R/W 0 0: Right-channel class-D driver is muted.
1: Right-channel class-D driver is not muted.
D1 R/W 0 Reserved. Write only zero to this bit.
D0 R 0 0: Not all programmed gains to right-channel class-D driver have been applied yet.
1: All programmed gains to right-channel class-D driver have been applied.

Table 6-111 Page 1 / Register 44 (0x2C): HP Driver Control

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D5 R/W 000 Debounce time for the headset short-circuit detection
 (1)  MCLK/DIV (Page 3 / register 16) = 1-MHz Source Internal Oscillator Source
000: Debounce time =
001: Debounce time =
010: Debounce time =
011: Debounce time =
100: Debounce time =
101: Debounce time =
110: Debounce time =
111: Debounce time =		 0 μs
8 μs
16 μs
32 μs
64 μs
128 μs
256 μs
512 μs		 0 μs
7.8 μs
15.6 μs
31.2 μs
62.4 μs
124.9 μs
250 μs
500 μs
Note: These values are based on a nominal oscillator frequency of 8.2 MHz. The values scale to the actual oscillator frequency.
D4–D3 R/W 00 00: Default mode for the DAC
01: DAC performance increased by increasing the current
10: Reserved
11: DAC performance increased further by increasing the current again
D2 R/W 0 0: HPL output driver is programmed as headphone driver.
1: HPL output driver is programmed as lineout driver.
D1 R/W 0 0: HPR output driver is programmed as headphone driver.
1: HPR output driver is programmed as lineout driver.
D0 R/W 0 Reserved. Write only zero to this bit.
(1) The clock used for the debounce has a clock period = debounce duration / 8.

Table 6-112 Page 1 / Register 45 (0x2D): Reserved

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D0 R/W XXXX XXXX Reserved. Do not write to these registers.

Table 6-113 Page 1 / Register 46 (0x2E): MICBIAS

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: Device software power down is not enabled.
1: Device software power down is enabled.
D6–D4 R/W 000 Reserved. Write only zeros to these bits.
D3 R/W 0 0: Programmed MICBIAS is not powered up if headset detection is enabled but headset is not inserted.
1: Programmed MICBIAS is powered up even if headset is not inserted.
D2 R/W 0 Reserved. Write only zero to this bit.
D1–D0 R/W 00 00: MICBIAS output is powered down.
01: MICBIAS output is powered to 2 V.
10: MICBIAS output is powered to 2.5 V.
11: MICBIAS output is powered to AVDD.

Table 6-114 Page 1 / Register 50 (0x32): Input CM Settings

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7 R/W 0 0: AIN1 input is floating, if it is not used for the analog bypass.
1: AIN1 input is connected to CM internally, if it is not used for the analog bypass.
D6 R/W 0 0: AIN2 input is floating, if it is not used for the analog bypass.
1: AIN2 input is connected to CM internally, if it is not used for the analog bypass.
D5–D0 R/W 00 0000 Reserved. Write only zeros to these bits.

Table 6-115 Page 1 / Register 51 (0x33) Through Page 1 / Register 127 (0x7F): Reserved

BIT READ/
WRITE		 RESET
VALUE		 DESCRIPTION
D7–D0 R/W XXXX XXXX Reserved. Write only the reset value to these bits.