SLWS224E August   2010  – January 2016 TRF372017

PRODUCTION DATA.  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Timing Requirements - SPI: Writing Phase
    6. 6.6 Timing Requirements - SPI: Read-Back Phase
    7. 6.7 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Integer and Fractional Mode Selection
      2. 7.3.2  Description of PLL Structure
        1. 7.3.2.1 Selecting PLL Divider Values
        2. 7.3.2.2 Setup Example for Integer Mode
        3. 7.3.2.3 Setup Example for Fractional Mode
      3. 7.3.3  Fractional Mode Setup
      4. 7.3.4  Selecting the VCO and VCO Frequency Control
      5. 7.3.5  External VCO
      6. 7.3.6  VCO Test Mode
      7. 7.3.7  Lock Detect
      8. 7.3.8  Tx Divider
      9. 7.3.9  LO Divider
      10. 7.3.10 Mixer
      11. 7.3.11 Disabling Outputs
      12. 7.3.12 Power Supply Distribution
      13. 7.3.13 Carrier Feedthrough Cancellation
      14. 7.3.14 Internal Baseband Bias Voltage Generation
    4. 7.4 Device Functional Modes
      1. 7.4.1 Powersave Mode
    5. 7.5 Register Maps
      1. 7.5.1 Serial Interface Programming Registers Definition
        1. 7.5.1.1 PLL SPI Registers
          1. 7.5.1.1.1 Register 1
          2. 7.5.1.1.2 Register 2
          3. 7.5.1.1.3 Register 3
          4. 7.5.1.1.4 Register 4
          5. 7.5.1.1.5 Register 5
          6. 7.5.1.1.6 Register 6
          7. 7.5.1.1.7 Register 7
        2. 7.5.1.2 Readback Mode
          1. 7.5.1.2.1 Readback From the Internal Registers Banks
            1. 7.5.1.2.1.1 Register 0 Write
  8. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
        1. 8.2.2.1 DAC Interfacing With External Baseband Bias Voltage
        2. 8.2.2.2 DAC Interface Using Internal VCM Generation
        3. 8.2.2.3 LO Outputs
        4. 8.2.2.4 Loop Filter
        5. 8.2.2.5 ESD Sensitivity
      3. 8.2.3 Application Curves
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
    2. 11.2 Community Resources
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

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

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)(3)
MIN MAX UNIT
Supply voltage(2) –0.3 5.5 V
Digital I/O voltage –0.3 VCC + 0.5 V
TJ Operating virtual junction temperature –40 150 °C
TA Operating ambient temperature –40 85 °C
Tstg Storage temperature –40 150 °C
(1) Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These are stress ratings only, which do not imply functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating Conditions. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
(2) All voltage values are with respect to network ground terminal.
(3) ESD rating not valid for RF sensitive pins.

6.2 Recommended Operating Conditions

MIN NOM MAX UNIT
VCC5V 5-V power supply voltage 4.5 5 5.5 V
VCC3V 3.3-V power supply voltage 3 3.3 3.6 V
VCC_VCO2 3.3-V to 5-V power supply voltage 3 3.3 5.5 V
TA Operating ambient temperature –40 85 °C
TJ Operating virtual junction temperature –40 125 °C

6.3 Thermal Information

THERMAL METRIC(1) TRF372017 UNIT
RGZ (VQFN)
48 PINS
RθJA Junction-to-ambient thermal resistance 30.0 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 10.0 °C/W
RθJB Junction-to-board thermal resistance 8.0 °C/W
ψJT Junction-to-top characterization parameter 0.5 °C/W
ψJB Junction-to-board characterization parameter 7.0 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance 0.5 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report, SPRA953.

6.4 Electrical Characteristics

VCC5V = 5 V, VCC3V = 3.3 V, VCC_VCO2 = 3.3 V, TA = 25°C, internal LO, internal VCM (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC PARAMETERS
ICC Total supply current, LO on(1) 3.3-V power supply, LO on 200 250 mA
5-V power supply, LO on 117 148 mA
Supply current, LO on(1) VCC_DIG, LO on 3 5 mA
VCC_LO1 and VCC_LO2 121 130 mA
VCC_D2S 43 60 mA
VCC_MIX 74 90 mA
VCC_VCO1 20 28 mA
VCC_VCO2 17 20
LO_OUT_N and LO_OUT_P 17 28 mA
VCC_PLL 24 40 mA
Total supply current, LO off(1) 3.3-V power supply, LO off 165 204 mA
5-V power supply, LO off 117 149 mA
Total supply current, PS on(1) 3.3-V power supply, PS on 65 94 mA
5-V power supply, PS on 51 73 mA
BASEBAND INPUTS
Vcm I and Q input DC common voltage(2) Externally generated 1.7 V
Set internally 1.6 1.7 1.85 V
BW 1-dB input frequency bandwidth 1000 MHz
ZI Input Impedance Resistance 5
Parallel Capacitance 3 pF
BASEBAND INPUT DC OFFSET CONTROL D/A(3)
Number of bits Programmed through SPI 8
Programmable DC offset setting |BBI_P - BBI_N| or |BBQ_P - BBQ_N|, 100-Ω differential load 0.02 V
DIGITAL INTERFACE
VIH High-level input voltage 2 3.3 V
VIL Low-level input voltage 0 0.8 V
VOH High-level output voltage Referenced to VCC_DIG 0.8 × Vcc V
VOL Low-level output voltage Referenced to VCC_DIG 0.2 × Vcc V
REFERENCE OSCILLATOR PARAMETERS
Fref Reference frequency 160 MHz
Reference input sensitivity 0.2 3.3 Vp-p
Reference input impedance Parallel capacitance 5 pF
Parallel resistance 3900 Ω
PFD CHARGE PUMP
PFD frequency(4) 100 MHz
ICP Charge pump current SPI programmable 1.94 mA
IQ MODULATOR OUTPUT, FLO = 750 MHz
G Voltage gain Output RMS voltage over se input I (or Q) RMS voltage –4 –3.2 –2.4 dB
P1dB Output compression point 11 dBm
IP3 Output IP3 2 input tones at 4.5 and 5.5 MHz 26 dBm
IP2 Output IP2 2 input tones at 4.5 and 5.5 MHz 56.5 dBm
Carrier feedthrough Unadjusted –43.5 dBm
Sideband suppression Unadjusted –46 dBc
Output return loss 10 dB
Output noise DC only to BB inputs; 13-MHz offset from LO; Pout = –10 dBm –162 dBm/Hz
IQ MODULATOR OUTPUT, FLO = 900 MHz
G Voltage gain Output RMS voltage over se input I (or Q) RMS voltage –4 –3.4 –2.4 dB
P1dB Output compression point 11 dBm
IP3 Output IP3 2 input tones at 4.5 and 5.5 MHz 26.5 dBm
IP2 Output IP2 2 input tones at 4.5 and 5.5 MHz 56.5 dBm
Carrier feedthrough Unadjusted –43 dBm
Sideband suppression Unadjusted –45 dBc
Output return loss 10 dB
Output noise DC only to BB inputs; 13-MHz offset from LO; Pout = –10 dBm –160 dBm/Hz
IQ MODULATOR OUTPUT, FLO = 2150 MHz
G Voltage gain Output RMS voltage over se input I (or Q) RMS voltage –4.2 –3.1 –2 dB
P1dB Output compression point 11.5 dBm
IP3 Output IP3 2 input tones at 4.5 and 5.5 MHz 25 dBm
IP2 Output IP2 2 input tones at 4.5 and 5.5 MHz 56 dBm
Carrier feedthrough Unadjusted –40 dBm
Sideband suppression Unadjusted –32 dBc
Output return loss 10 dB
Output noise DC only to BB inputs; 13-MHz offset from LO; Pout = –10 dBm –158 dBm/Hz
ACPR Adjacent-channel power ratio 1 WCDMA signal; Pout = –8 dBm –75 dBc
2 WCDMA signals; Pout = –11 dBm per carrier 71
IQ MODULATOR OUTPUT, FLO = 2700 MHz
G Voltage gain Output RMS voltage over se input I (or Q) RMS voltage –4.1 –2.7 –1.3 dB
P1dB Output compression point 12 dBm
IP3 Output IP3 2 input tones at 4.5 and 5.5 MHz 26.5 dBm
IP2 Output IP2 2 input tones at 4.5 and 5.5 MHz 50 dBm
Carrier feedthrough Unadjusted –43 dBm
Sideband suppression Unadjusted –41 dBc
Output return loss 10 dB
Output noise DC only to BB inputs; 13-MHz offset from LO; Pout = –10 dBm –153 dBm/Hz
LOCAL OSCILLATOR
FVCO Frequency range VCO range 2400 4800 MHz
Divide by 2 1200 2400
Divide by 4 600 1200
Divide by 8 300 600
Free running VCO 10 kHz –85 dBc/Hz
Phase noise, Fout = 2.3 GHz 1 MHz –132 dBc/Hz
10 MHz –150 dBc/Hz
50 MHz –153 dBc/Hz
PLO LO output power(5) 100-Ω differential, external load; single-ended –2.5 3 dBm
(1) Maximum current is worst-case overvoltage, temperature, and expected process variations.
(2) The TRF372017 can generate the input common voltage internally or can accept an external common mode voltage. The two modes are selectable through SPI.
(3) When the internal input common mode voltage is selected, it is possible to apply some DC offset with the integrated D/A.
(4) See Application Information for discussion on selection of PFD frequency.
(5) With VCO frequency at 4.6 GHz and LO in divide-by-2 mode at 2.3 GHz

6.5 Timing Requirements - SPI: Writing Phase(1)

MIN TYP MAX UNIT
th Hold time, data to clock 20 ns
tSU1 Setup time, data to clock 20 ns
T(CH) Clock low duration 20 ns
T(CL) Clock high duration 20 ns
tSU2 Setup time, clock to enable 20 ns
t(CLK) Clock period 50 ns
tW Enable time 50 ns
tSU3 Setup time, latch to data 70 ns
(1) See Figure 1 for timing diagram.

6.6 Timing Requirements - SPI: Read-Back Phase(1)

MIN TYP MAX UNIT
th Hold time, data to clock 20 ns
tSU1 Setup time, data to clock 20 ns
T(CH) Clock low duration 20 ns
T(CL) Clock High duration 20 ns
tSU2 Setup time, clock to enable 20 ns
td Delay time, clock to readback data output 10 ns
tW Enable time(2) 50 ns
t(CLK) Clock period 50 ns
(1) See Figure 2 for timing diagram.
(2) Equals Clock period
TRF372017 SPI_wrt_tim_lws221.gif Figure 1. SPI Write Timing Diagram
TRF372017 SPI_rd_tim_lws221.gif Figure 2. SPI Read-Back Timing Diagram

6.7 Typical Characteristics

VCM = 1.7 V (internal), VinBB = 300 mVrms single-ended sine wave in quadrature, VCC3V = 3.3 V, VCC5V = 5 V, fBB = 4.5 MHz and 5.5 MHz, internal LO, TA = 25°C; FPFD = 1.6 MHz (unless otherwise noted).
TRF372017 G001_LWS224.gif Figure 3. Open-Loop Phase Noise
vs Frequency and Temperature
TRF372017 G003_LWS224.gif Figure 5. Open Loop Phase Noise
vs Frequency and Temperature
TRF372017 G005_LWS224.gif Figure 7. Open Loop Phase Noise
vs Frequency and Supply Voltage
TRF372017 G007_LWS224.gif Figure 9. Open Loop Phase Noise
vs Frequency and Supply Voltage
TRF372017 G009_LWS224.gif Figure 11. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G011_LWS224.gif Figure 13. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G013_LWS224.gif Figure 15. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G015_LWS224.gif Figure 17. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G017_LWS224.gif Figure 19. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G019_LWS224.gif Figure 21. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G021_LWS224.gif Figure 23. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G023_LWS224.gif Figure 25. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G025_LWS224.gif Figure 27. Noise at 13-MHz Offset
vs Frequency and Temperature With Internal VCO
TRF372017 G027_LWS224.gif Figure 29. Noise at 13-MHz Offset
vs Frequency and Temperature With External VCO
TRF372017 G029_LWS224.gif Figure 31. Noise at 13-MHz Offset
vs Output Power and Frequency
TRF372017 G031_LWS224.gif Figure 33. Voltage Gain
vs Frequency and Temperature at 750 MHz
TRF372017 G033_LWS224.gif Figure 35. Voltage Gain
vs Frequency and Temperature at 1500 MHz
TRF372017 G035_LWS224.gif Figure 37. Voltage Gain
vs Frequency and Temperature at 2650 MHz
TRF372017 G037_LWS224.gif Figure 39. Voltage Gain
vs Baseband Voltage Amplitude and Frequency
TRF372017 G039_LWS224.gif Figure 41. P1dB vs Frequency and Temperature
TRF372017 G041_LWS224.gif Figure 43. P1dB vs Frequency and Temperature at 900 MHz
TRF372017 G043_LWS224.gif Figure 45. P1dB vs Frequency and Temperature at 2150 MHz
TRF372017 G045_LWS224.gif Figure 47. P1dB vs Common-Mode Voltage and Frequency
TRF372017 G047_LWS224.gif Figure 49. OIP3 vs Frequency and Temperature
TRF372017 G049_LWS224.gif Figure 51. OIP3 vs Frequency and Temperature at 1030 MHz
TRF372017 G051_LWS224.gif Figure 53. OIP3 vs Frequency and Temperature at 2300 MHz
TRF372017 G053_LWS224.gif Figure 55. OIP3 vs Common-Mode Voltage and Frequency
TRF372017 G054_LWS224.gif Figure 57. OIP2 vs Frequency and Temperature
TRF372017 G056_LWS224.gif Figure 59. OIP2 vs Frequency and Temperature at 900 MHz
TRF372017 G058_LWS224.gif Figure 61. OIP2 vs Frequency and Temperature at 2150 MHz
TRF372017 G060_LWS224.gif Figure 63. Unadjusted Sideband Suppression
vs Frequency and Temperature
TRF372017 G062_LWS224.gif Figure 65. Unadjusted Sideband Suppression
vs Frequency and Temperature at 1030 MHz
TRF372017 G064_LWS224.gif Figure 67. Unadjusted Sideband Suppression
vs Frequency and Temperature at 2300 MHz
TRF372017 G066_LWS224.gif Figure 69. Unadjusted Sideband Suppression
vs Common-Mode Voltage and Frequency
TRF372017 G068_LWS224.gif Figure 71. Unadjusted Carrier Suppression
vs Frequency and Temperature at 900 MHz
TRF372017 G070_LWS224.gif Figure 73. Unadjusted Carrier Suppression
vs Frequency and Temperature at 1650 MHz
TRF372017 G072_LWS224.gif Figure 75. Unadjusted Carrier Suppression
vs Frequency and Temperature at 2850 MHz
TRF372017 G074_LWS224.gif Figure 77. Common-Mode Voltage
vs VREF_SEL Setting and Temperature
TRF372017 G002_LWS224.gif Figure 4. Open Loop Phase Noise
vs Frequency and Temperature
TRF372017 G004_LWS224.gif Figure 6. Open Loop Phase Noise
vs Frequency and Temperature
TRF372017 G006_LWS224.gif Figure 8. Open Loop Phase Noise
vs Frequency and Supply Voltage
TRF372017 G008_LWS224.gif Figure 10. Open Loop Phase Noise
vs Frequency and Supply Voltage
TRF372017 G010_LWS224.gif Figure 12. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G012_LWS224.gif Figure 14. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G014_LWS224.gif Figure 16. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G016_LWS224.gif Figure 18. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G018_LWS224.gif Figure 20. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G020_LWS224.gif Figure 22. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G022_LWS224.gif Figure 24. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G024_LWS224.gif Figure 26. Closed Loop Phase Noise
vs Frequency and Temperature
TRF372017 G026_LWS224.gif Figure 28. Noise at 13-MHz Offset
vs Frequency and Supply Voltage With Internal VCO
TRF372017 G028_LWS224.gif Figure 30. Noise at 13-MHz Offset
vs Frequency and Supply Voltage With External VCO
TRF372017 G030_LWS224.gif Figure 32. Voltage Gain vs Frequency and Temperature
TRF372017 G032_LWS224.gif Figure 34. Voltage Gain
vs Frequency and Temperature at 900 MHz
TRF372017 G034_LWS224.gif Figure 36. Voltage Gain
vs Frequency and Temperature at 2150 MHz
TRF372017 G036_LWS224.gif Figure 38. Voltage Gain
vs Common-Mode Voltage and Frequency
TRF372017 G038_LWS224.gif Figure 40. Voltage Gain vs Frequency and Supply Voltage
TRF372017 G040_LWS224.gif Figure 42. P1dB vs Frequency and Temperature at 750 MHz
TRF372017 G042_LWS224.gif Figure 44. P1dB vs Frequency and Temperature at 1500 MHz
TRF372017 G044_LWS224.gif Figure 46. P1dB vs Frequency and Temperature at 2700 MHz
TRF372017 G046_LWS224.gif Figure 48. P1dB vs Frequency and Supply Voltage
TRF372017 G048_LWS224.gif Figure 50. OIP3 vs Temperature and Frequency at 900 MHz
TRF372017 G050_LWS224.gif Figure 52. OIP3 vs Frequency and Temperature at 1650 MHz
TRF372017 G052_LWS224.gif Figure 54. OIP3 vs Frequency and Temperature at 2850 MHz
TRF372017 G083_LWS224.gif Figure 56. OIP3 vs Baseband Voltage Amplitude and Frequency
TRF372017 G055_LWS224.gif Figure 58. OIP2 vs Frequency and Temperature at 750 MHz
TRF372017 G057_LWS224.gif Figure 60. OIP2 vs Frequency and Temperature at 1500 MHz
TRF372017 G059_LWS224.gif Figure 62. OIP2 vs Frequency and Temperature at 2650 MHz
TRF372017 G061_LWS224.gif Figure 64. Unadjusted Sideband Suppression
vs Frequency and Temperature at 900 MHz
TRF372017 G063_LWS224.gif Figure 66. Unadjusted Sideband Suppression
vs Frequency and Temperature at 1650 MHz
TRF372017 G065_LWS224.gif Figure 68. Unadjusted Sideband Suppression
vs Frequency and Temperature at 2850 MHz
TRF372017 G067_LWS224.gif Figure 70. Unadjusted Carrier Suppression
vs Frequency and Temperature
TRF372017 G069_LWS224.gif Figure 72. Unadjusted Carrier Suppression
vs Frequency and Temperature at 1030 MHz
TRF372017 G071_LWS224.gif Figure 74. Unadjusted Carrier Suppression
vs Frequency and Temperature at 2300 MHz
TRF372017 G073_LWS224.gif Figure 76. Unadjusted Carrier Suppression
vs Common-Mode Voltage and Frequency
TRF372017 G075_LWS224.gif Figure 78. Baseband Voltage Offset
vs IOFF Setting and Temperature