SNAS838A October   2022  – November 2022 LMK04832-SEP

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 Timing Diagram
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
    1. 7.1 Charge Pump Current Specification Definitions
      1. 7.1.1 Charge Pump Output Current Magnitude Variation vs Charge Pump Output Voltage
      2. 7.1.2 Charge Pump Sink Current vs Charge Pump Output Source Current Mismatch
      3. 7.1.3 Charge Pump Output Current Magnitude Variation vs Ambient Temperature
    2. 7.2 Differential Voltage Measurement Terminology
  8. 8 Detailed Description
    1. 8.1 Overview
      1. 8.1.1 Differences from the LMK04832
        1. 8.1.1.1 Jitter Cleaning
        2. 8.1.1.2 JEDEC JESD204B/C Support
      2. 8.1.2 Clock Inputs
        1. 8.1.2.1 Inputs for PLL1
        2. 8.1.2.2 Inputs for PLL2
        3. 8.1.2.3 Inputs When Using Clock Distribution Mode
      3. 8.1.3 PLL1
        1. 8.1.3.1 Frequency Holdover
        2. 8.1.3.2 External VCXO for PLL1
      4. 8.1.4 PLL2
        1. 8.1.4.1 Internal VCOs for PLL2
        2. 8.1.4.2 External VCO Mode
      5. 8.1.5 Clock Distribution
        1. 8.1.5.1 Clock Divider
        2. 8.1.5.2 High Performance Divider Bypass Mode
        3. 8.1.5.3 SYSREF Clock Divider
        4. 8.1.5.4 Device Clock Delay
        5. 8.1.5.5 Dynamic Digital Delay
        6. 8.1.5.6 SYSREF Delay: Global and Local
        7. 8.1.5.7 Programmable Output Formats
        8. 8.1.5.8 Clock Output Synchronization
      6. 8.1.6 0-Delay
      7. 8.1.7 Status Pins
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Synchronizing PLL R Dividers
        1. 8.3.1.1 PLL1 R Divider Synchronization
        2. 8.3.1.2 PLL2 R Divider Synchronization
      2. 8.3.2 SYNC/SYSREF
      3. 8.3.3 JEDEC JESD204B/C
        1. 8.3.3.1 How to Enable SYSREF
          1. 8.3.3.1.1 Setup of SYSREF Example
          2. 8.3.3.1.2 SYSREF_CLR
        2. 8.3.3.2 SYSREF Modes
          1. 8.3.3.2.1 SYSREF Pulser
          2. 8.3.3.2.2 Continuous SYSREF
          3. 8.3.3.2.3 SYSREF Request
      4. 8.3.4 Digital Delay
        1. 8.3.4.1 Fixed Digital Delay
          1. 8.3.4.1.1 Fixed Digital Delay Example
        2. 8.3.4.2 Dynamic Digital Delay
        3. 8.3.4.3 Single and Multiple Dynamic Digital Delay Example
      5. 8.3.5 SYSREF to Device Clock Alignment
      6. 8.3.6 Input Clock Switching
        1. 8.3.6.1 Input Clock Switching - Manual Mode
        2. 8.3.6.2 Input Clock Switching - Pin Select Mode
        3. 8.3.6.3 Input Clock Switching - Automatic Mode
      7. 8.3.7 Digital Lock Detect (DLD)
        1. 8.3.7.1 Calculating Digital Lock Detect Frequency Accuracy
      8. 8.3.8 Holdover
        1. 8.3.8.1 Enable Holdover
          1. 8.3.8.1.1 Fixed (Manual) CPout1 Holdover Mode
          2. 8.3.8.1.2 Tracked CPout1 Holdover Mode
        2. 8.3.8.2 During Holdover
        3. 8.3.8.3 Exiting Holdover
        4. 8.3.8.4 Holdover Frequency Accuracy and DAC Performance
      9. 8.3.9 PLL2 Loop Filter
    4. 8.4 Device Functional Modes
      1. 8.4.1 DUAL PLL
        1. 8.4.1.1 Dual Loop
        2. 8.4.1.2 Dual Loop With Cascaded 0-Delay
        3. 8.4.1.3 Dual Loop With Nested 0-Delay
      2. 8.4.2 Single PLL
        1. 8.4.2.1 PLL2 Single Loop
        2. 8.4.2.2 PLL2 With External VCO
      3. 8.4.3 Distribution Mode
    5. 8.5 Programming
      1. 8.5.1 Recommended Programming Sequence
    6. 8.6 Register Maps
      1. 8.6.1 Register Map for Device Programming
      2. 8.6.2 Device Register Descriptions
        1. 8.6.2.1 System Functions
          1. 8.6.2.1.1 RESET, SPI_3WIRE_DIS
          2. 8.6.2.1.2 POWERDOWN
          3. 8.6.2.1.3 ID_DEVICE_TYPE
          4. 8.6.2.1.4 ID_PROD
          5. 8.6.2.1.5 ID_MASKREV
          6. 8.6.2.1.6 ID_VNDR
        2. 8.6.2.2 (0x100 - 0x138) Device Clock and SYSREF Clock Output Controls
          1. 8.6.2.2.1 DCLKX_Y_DIV
          2. 8.6.2.2.2 DCLKX_Y_DDLY
          3. 8.6.2.2.3 CLKoutX_Y_PD, CLKoutX_Y_ODL, CLKoutX_Y_IDL, DCLKX_Y_DDLY_PD, DCLKX_Y_DDLY[9:8], DCLKX_Y_DIV[9:8]
          4. 8.6.2.2.4 CLKoutX_SRC_MUX, DCLKX_Y_PD, DCLKX_Y_BYP, DCLKX_Y_DCC, DCLKX_Y_POL, DCLKX_Y_HS
          5. 8.6.2.2.5 CLKoutY_SRC_MUX, SCLKX_Y_PD, SCLKX_Y_DIS_MODE, SCLKX_Y_POL, SCLKX_Y_HS
          6. 8.6.2.2.6 SCLKX_Y_ADLY_EN, SCLKX_Y_ADLY
          7. 8.6.2.2.7 SCLKX_Y_DDLY
          8. 8.6.2.2.8 CLKoutY_FMT, CLKoutX_FMT
        3. 8.6.2.3 SYSREF, SYNC, and Device Config
          1. 8.6.2.3.1  VCO_MUX, OSCout_MUX, OSCout_FMT
          2. 8.6.2.3.2  SYSREF_REQ_EN, SYNC_BYPASS, SYSREF_MUX
          3. 8.6.2.3.3  SYSREF_DIV
          4. 8.6.2.3.4  SYSREF_DDLY
          5. 8.6.2.3.5  SYSREF_PULSE_CNT
          6. 8.6.2.3.6  PLL2_RCLK_MUX, PLL2_NCLK_MUX, PLL1_NCLK_MUX, FB_MUX, FB_MUX_EN
          7. 8.6.2.3.7  PLL1_PD, VCO_LDO_PD, VCO_PD, OSCin_PD, SYSREF_GBL_PD, SYSREF_PD, SYSREF_DDLY_PD, SYSREF_PLSR_PD
          8. 8.6.2.3.8  DDLYdSYSREF_EN, DDLYdX_EN
          9. 8.6.2.3.9  DDLYd_STEP_CNT
          10. 8.6.2.3.10 SYSREF_CLR, SYNC_1SHOT_EN, SYNC_POL, SYNC_EN, SYNC_PLL2_DLD, SYNC_PLL1_DLD, SYNC_MODE
          11. 8.6.2.3.11 SYNC_DISSYSREF, SYNC_DISX
          12. 8.6.2.3.12 PLL1R_SYNC_EN, PLL1R_SYNC_SRC, PLL2R_SYNC_EN, FIN0_DIV2_EN, FIN0_INPUT_TYPE
        4. 8.6.2.4 (0x146 - 0x149) CLKIN Control
          1. 8.6.2.4.1 CLKin_SEL_PIN_EN, CLKin_SEL_PIN_POL, CLKin2_EN, CLKin1_EN, CLKin0_EN, CLKin2_TYPE, CLKin1_TYPE, CLKin0_TYPE
          2. 8.6.2.4.2 CLKin_SEL_AUTO_REVERT_EN, CLKin_SEL_AUTO_EN, CLKin_SEL_MANUAL, CLKin1_DEMUX, CLKin0_DEMUX
          3. 8.6.2.4.3 CLKin_SEL0_MUX, CLKin_SEL0_TYPE
          4. 8.6.2.4.4 SDIO_RDBK_TYPE, CLKin_SEL1_MUX, CLKin_SEL1_TYPE
        5. 8.6.2.5 RESET_MUX, RESET_TYPE
        6. 8.6.2.6 (0x14B - 0x152) Holdover
          1. 8.6.2.6.1 LOS_TIMEOUT, LOS_EN, TRACK_EN, HOLDOVER_FORCE, MAN_DAC_EN, MAN_DAC[9:8]
          2. 8.6.2.6.2 MAN_DAC
          3. 8.6.2.6.3 DAC_TRIP_LOW
          4. 8.6.2.6.4 DAC_CLK_MULT, DAC_TRIP_HIGH
          5. 8.6.2.6.5 DAC_CLK_CNTR
          6. 8.6.2.6.6 CLKin_OVERRIDE, HOLDOVER_EXIT_MODE, HOLDOVER_PLL1_DET, LOS_EXTERNAL_INPUT, HOLDOVER_VTUNE_DET, CLKin_SWITCH_CP_TRI, HOLDOVER_EN
          7. 8.6.2.6.7 HOLDOVER_DLD_CNT
        7. 8.6.2.7 (0x153 - 0x15F) PLL1 Configuration
          1. 8.6.2.7.1 CLKin0_R
          2. 8.6.2.7.2 CLKin1_R
          3. 8.6.2.7.3 CLKin2_R
          4. 8.6.2.7.4 PLL1_N
          5. 8.6.2.7.5 PLL1_WND_SIZE, PLL1_CP_TRI, PLL1_CP_POL, PLL1_CP_GAIN
          6. 8.6.2.7.6 PLL1_DLD_CNT
          7. 8.6.2.7.7 HOLDOVER_EXIT_NADJ
          8. 8.6.2.7.8 PLL1_LD_MUX, PLL1_LD_TYPE
        8. 8.6.2.8 (0x160 - 0x16E) PLL2 Configuration
          1. 8.6.2.8.1 PLL2_R
          2. 8.6.2.8.2 PLL2_P, OSCin_FREQ, PLL2_REF_2X_EN
          3. 8.6.2.8.3 PLL2_N_CAL
          4. 8.6.2.8.4 PLL2_N
          5. 8.6.2.8.5 PLL2_WND_SIZE, PLL2_CP_GAIN, PLL2_CP_POL, PLL2_CP_TRI
          6. 8.6.2.8.6 PLL2_DLD_CNT
          7. 8.6.2.8.7 PLL2_LD_MUX, PLL2_LD_TYPE
        9. 8.6.2.9 (0x16F - 0x555) Misc Registers
          1. 8.6.2.9.1 PLL2_PRE_PD, PLL2_PD, FIN0_PD
          2. 8.6.2.9.2 PLL1R_RST
          3. 8.6.2.9.3 CLR_PLL1_LD_LOST, CLR_PLL2_LD_LOST
          4. 8.6.2.9.4 RB_PLL1_LD_LOST, RB_PLL1_LD, RB_PLL2_LD_LOST, RB_PLL2_LD
          5. 8.6.2.9.5 RB_DAC_VALUE (MSB), RB_CLKinX_SEL, RB_CLKinX_LOS
          6. 8.6.2.9.6 RB_DAC_VALUE
          7. 8.6.2.9.7 RB_HOLDOVER
          8. 8.6.2.9.8 SPI_LOCK
  9. 9 Application and Implementation
    1. 9.1 Application Information
      1. 9.1.1 Treatment of Unused Pins
      2. 9.1.2 Frequency Planning and Spur Minimization
      3. 9.1.3 Digital Lock Detect Frequency Accuracy
        1. 9.1.3.1 Minimum Lock Time Calculation Example
      4. 9.1.4 Driving CLKIN AND OSCIN Inputs
        1. 9.1.4.1 Driving CLKIN and OSCIN PINS With a Differential Source
        2. 9.1.4.2 Driving CLKIN Pins With a Single-Ended Source
      5. 9.1.5 OSCin Doubler for Best Phase Noise Performance
      6. 9.1.6 Radiation Environments
        1. 9.1.6.1 Total Ionizing Dose
        2. 9.1.6.2 Single Event Effect
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Device Selection
          1. 9.2.2.1.1 Clock Architect
        2. 9.2.2.2 Device Configuration and Simulation
        3. 9.2.2.3 Device Setup
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 Current Consumption
      2. 9.3.2 Cold Sparing Considerations
        1. 9.3.2.1 Damage Prevention Details to Unpowered Device
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
      3. 9.4.3 Thermal Management
  10. 10Device and Documentation Support
    1. 10.1 Device Support
      1. 10.1.1 Development Support
        1. 10.1.1.1 Clock Architect
        2. 10.1.1.2 PLLatinum Simulation
        3. 10.1.1.3 TICS Pro
    2. 10.2 Documentation Support
      1. 10.2.1 Related Documentation
    3. 10.3 Receiving Notification of Documentation Updates
    4. 10.4 Support Resources
    5. 10.5 Trademarks
    6. 10.6 Electrostatic Discharge Caution
    7. 10.7 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

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

5 Pin Configuration and Functions



Figure 5-1 PAP Package64-Pin HTQFPTop View
Table 5-1 Pin Functions
PIN I/O TYPE DESCRIPTION
NO. NAME
1 VCC5_DIG – PWR Power supply for the digital circuitry.
2 CLKIN1_P/FIN1_P/FBCLKIN_P I ANLG CLKIN1_P: Reference Clock input port 1 for PLL1. FIN1_P: External VCO input or clock distribution input. FBCLKIN_P: Feedback input for external clock feedback input (0–delay mode).
3 CLKIN1_N I ANLG Reference Clock input port 1 for PLL1.
FIN1_N External VCO input or clock distribution input.
FBCLK_N Feedback input for external clock feedback input (0–delay mode).
4 VCC6_PLL1 – PWR Power supply for PLL1, charge pump 1, holdover DAC
5 CLKIN0_P I ANLG Reference Clock input port 0 for PLL1.
6 CLKIN0_N
7 VCC7_OSCOUT – PWR Power supply for OSCOUT pins.
8 OSCOUT_P I/O Programmable Buffered output of OSCIN pins
CLKIN2_P Reference Clock input port 2 for PLL1.
9 OSCOUT_N I/O Programmable Buffered output of OSCIN pins
CLKIN2_N Reference Clock input port 2 for PLL1.
10 VCC8_OSCIN – PWR Power supply for OSCIN
11 OSCIN_P I ANLG Feedback to PLL1 and reference input to PLL2. AC-coupled.
12 OSCIN_N
13 VCC9_CP2 – PWR Power supply for PLL2 charge pump.
14 CPOUT2 O ANLG Charge pump 2 output.
15 VCC10_PLL2 – PWR Power supply for PLL2.
16 STATUS_LD2 I/O Programmable Programmable status pin.
17 CLKOUT9_P O Programmable Clock output 9. For JESD204B/C systems suggest SYSREF Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
18 CLKOUT9_N
19 CLKOUT8_P O Programmable Clock output 8. For JESD204B/C systems suggest Device Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
20 CLKOUT8_N
21 VCC11_CG3 – PWR Power supply for clock outputs 8, 9, 10, and 11.
22 CLKOUT10_P O Programmable Clock output 10. For JESD204B/C systems suggest Device Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
23 CLKOUT10_N
24 CLKOUT11_P O Programmable Clock output 11. For JESD204B/C systems suggest SYSREF Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
25 CLKOUT11_N
26 CLKin_SEL0 I/O Programmable Programmable status pin.
27 CLKIN_SEL1 I/O Programmable Programmable status pin.
28 CLKOUT13_P O Programmable Clock output 13. For JESD204B/C systems suggest SYSREF Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
29 CLKOUT13_N
30 CLKOUT12_P O Programmable Clock output 12. For JESD204B/C systems suggest Device Clock.(1) Programmable formats: CML, LVPECL, LCPECL, or LVDS.
31 CLKOUT12_N
32 VCC12_CG0 – PWR Power supply for clock outputs 0, 1, 12, and 13.
33 CLKOUT0_P O Programmable Clock output 0. For JESD204B/C systems suggest Device Clock.(1) Programmable formats: CML, LVPECL, LCPECL, or LVDS.
34 CLKOUT0_N
35 CLKOUT1_P O Programmable Clock output 1. For JESD204B/C systems suggest SYSREF Clock. Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
36 CLKOUT1_N
37 RESET/GPO I CMOS Device reset input or GPO
38 SYNC/SYSREF_REQ I CMOS Synchronization input or SYSREF_REQ for requesting continuous SYSREF.
39 GND – GND This pin should be grounded.
40 FIN0_P I ANLG High-speed input for external VCO or clock distribution. Supports /2 for frequency greater than 3250 MHz.
41 FIN0_N
42 VCC1_VCO – PWR Power supply for VCO and clock distribution.
43 LDOBYP1 – ANLG LDO Bypass, bypassed to ground with 10-µF capacitor.
44 LDOBYP2 – ANLG LDO Bypass, bypassed to ground with a 0.1-µF capacitor.
45 CLKOUT3_P O Programmable Clock output 3. For JESD204B/C systems suggest SYSREF Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
46 CLKOUT3_N
47 CLKOUT2_P O Programmable Clock output 2. For JESD204B/C systems suggest Device Clock. Programmable formats: CML, LVPECL, LCPECL, or LVDS.
48 CLKOUT2_N
49 VCC2_CG1 – PWR Power supply for clock outputs 2 and 3.
50 CS# I CMOS Chip Select
51 SCK I CMOS SPI Clock
52 SDIO I/O CMOS SPI Data
53 VCC3_SYSREF – PWR Power supply for SYSREF divider and SYNC.
54 CLKOUT5_P O Programmable Clock output 5. For JESD204B/C systems suggest SYSREF Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
55 CLKOUT5_N
56 CLKOUT4_P O Programmable Clock output 4. For JESD204B/C systems suggest Device Clock.(1) Programmable formats: CML, LVPECL, LCPECL, or LVDS.
57 CLKOUT4_N
58 VCC4_CG2 – PWR Power supply for clock outputs 4, 5, 6 and 7.
59 CLKOUT6_P O Programmable Clock output 6. For JESD204B/C systems suggest Device Clock.(1) Programmable formats: CML, LVPECL, LCPECL, or LVDS.
60 CLKOUT6_N
61 CLKOUT7_P O Programmable Clock output 7. For JESD204B/C systems suggest SYSREF Clock.(1) Programmable formats: CML, LVPECL, LCPECL, LVDS, or 2xLVCMOS.
62 CLKOUT7_N
63 STATUS_LD1 I/O Programmable Programmable status pin.
64 CPOUT1 O ANLG Charge pump 1 output.
DAP DAP – GND DIE ATTACH PAD, connect to GND.
(1) Actual best allocation of device clocks and SYSREF depends upon frequency planning to group common frequencies.