SLWS245B May   2014  – February 2017 TRF3722

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  Typical Characteristics
      1. 6.6.1 Modulator Output Spectrum
    7. 6.7  Typical Characteristics - Output Power
    8. 6.8  Typical Characteristics - Gain
    9. 6.9  Typical Characteristics - OIP3
    10. 6.10 Typical Characteristics - OIP2
    11. 6.11 Typical Characteristics - OP1dB
    12. 6.12 Typical Characteristics - Noise
    13. 6.13 Typical Characteristics - Unadjusted CF
    14. 6.14 Typical Characteristics - Unadjusted SBS
    15. 6.15 Typical Characteristics - LO Harmonic
    16. 6.16 Typical Characteristics - BB Harmonic
    17. 6.17 Typical Characteristics - RF Output Return Loss
    18. 6.18 Typical Characteristics - PLL/VCO
    19. 6.19 Typical Characteristics - Current Consumption
    20. 6.20 Typical Characteristics - Power Dissipation
  7. 7 Parameter Measurement Information
    1. 7.1 Serial Interface Timing Diagram
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 RF Output
      2. 8.3.2 Baseband Inputs
      3. 8.3.3 LO Output
      4. 8.3.4 PLL Architecture
      5. 8.3.5 External VCO
      6. 8.3.6 Loop Filter
      7. 8.3.7 Lock Detect
    4. 8.4 Device Functional Modes
      1. 8.4.1 Selecting PLL Divider Values
      2. 8.4.2 Setup Example for Integer Mode
      3. 8.4.3 Integer and Fractional Mode Selection
      4. 8.4.4 Selecting the VCO and VCO Frequency Control
    5. 8.5 Register Maps
      1. 8.5.1 Serial interface Register Definition
        1. 8.5.1.1 BIAS SETTINGS
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedures: DAC to Modulator Interface Network
      3. 9.2.3 Application Curves: DAC34H84 with TRF3722 Modulator Performance
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Receiving Notification of Documentation Updates
    2. 12.2 Community Resources
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, 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)
MIN MAX UNIT
Supply voltage All VCC except VCC_TK –0.3 +3.6 V
VCC_TK –0.3 +5.5
Digital I/O voltage –0.3 3.6 V
Operating junction temperature –40 150 °C
Storage temperature, Tstg –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.

6.2 ESD Ratings

VALUE UNIT
V(ESD) Electrostatic discharge Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001(1) ±2000 V
Charged-device model (CDM), per JEDEC specification JESD22-C101(2) ±750
(1) JEDEC document JEP155 states that 500-V HBM allows safe manufacturing with a standard ESD control process.
(2) JEDEC document JEP157 states that 250-V CDM allows safe manufacturing with a standard ESD control process.

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
MIN NOM MAX UNIT
VCC 3.3 V power-supply voltage 3 3.3 3.6 V
5 V or 3.3 V power-supply voltage, VCC _TK 3 3.3/5 5.5 V
TJ Operating junction temperature range –40 125 °C
TA Ambient temperature range –40 85 °C

6.4 Thermal Information

THERMAL METRIC(1) TRF3722 UNIT
RGZ (VQFN)
48 PINS
RθJA Junction-to-ambient thermal resistance 27.5 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 12.8 °C/W
RθJB Junction-to-board thermal resistance 4.3 °C/W
ψJT Junction-to-top characterization parameter 0.2 °C/W
ψJB Junction-to-board characterization parameter 4.3 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance 0.8 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.

6.5 Electrical Characteristics

Over recommended operating conditions: VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C. Optimized bias settings as per Table 16.
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
DC PARAMETERS
ICC 3.3 V Supply Current Typical Operating Mode; LO out = Off 328(1) mA
Typical Operating Mode; LO out = On 374 mA
ICC_TK 5 V Supply Current 21 mA
PDISS Total Power Dissipation Typical Operating Mode; LO out = Off 1.18 W
Typical Operating Mode; LO out = On 1.34 W
Low Power Mode (Mod); LO out = Off 0.91 W
IPD Power Down Current Hardware Power Down 76 mA
Serial interface Power Down 2 mA
RFOUT FREQUENCY
Frequency 400 4200 MHz
IQ MODULATOR ƒLO = 750 MHz
G Gain Typical Operating Mode 0.8 dB
High Gain Mode 3.6 dB
Gain Flatness In 300MHz bandwidth –0.5 0.5 dB
OP1dB Output Compression Point 10.2 dBm
OIP3 Output 3rd Order Intercept Point FBB = 4.5, 5.5 MHz 31 dBm
OIP2 Output 2nd Order Intercept Point FBB = 4.5, 5.5 MHz 62 dBm
SBS Unadj. SideBand Suppression –42 dBc
CF Unadj. Carrier Feedthrough –50 dBm
NSDO Output Noise Spectral Density BB inputs terminated on 50 Ω –159 dBm/Hz
HD2LO LO Second Harmonic Measured at 2 x fLO –49 dBc
HD3LO LO Third Harmonic Measured at 3 x fLO –47 dBc
HD2BB Baseband Second Harmonic Measured at fLO ± 2 x fBB –72 dBc
HD3BB Baseband Third Harmonic Measured at fLO ± 3 x fBB –70 dBc
IQ MODULATOR ƒLO = 900 MHz
G Gain Typical Operating Mode 0.8 dB
High Gain Mode 3.6 dB
Gain Flatness In 300MHz bandwidth –0.5 0.5 dB
OP1dB Output Compression Point 10 dBm
OIP3 Output 3rd Order Intercept Point FBB = 4.5, 5.5 MHz 31 dBm
OIP2 Output 2nd Order Intercept Point FBB = 4.5, 5.5 MHz 62.5 dBm
SBS Unadj. Side Band Suppression –42.5 dBc
CF Unadj. Carrier Feed through –50 dBm
NSDO Output Noise Spectral Density BB inputs terminated on 50 Ω –159 dBm/Hz
HD2LO LO Second Harmonic Measured at 2 x fLO –47 dBc
HD3LO LO Third Harmonic Measured at 3 x fLO –54.5 dBc
HD2BB Baseband Second Harmonic Measured at fLO ± 2 x fBB –65.5 dBc
HD3BB Baseband Third Harmonic Measured at fLO ± 3 x fBB –71.5 dBc
IQ MODULATOR ƒLO = 1800 MHz
G Gain Typical Operating Mode 0.3 dB
High Gain Mode 3 dB
Gain Flatness In 300 MHz bandwidth –0.5 0.5 dB
OP1dB Output Compression Point 13 dBm
OIP3 Output 3rd Order Intercept Point fBB = 4.5, 5.5 MHz 29.5 dBm
OIP2 Output 2nd Order Intercept Point fBB = 4.5, 5.5 MHz 57 dBm
SBS Unadj. Side Band Suppression –54.5 dBc
CF Unadj. Carrier Feed through –57 dBm
NSDO Output Noise Spectral Density BB inputs terminated on 50 Ω –158 dBm/Hz
HD2LO LO Second Harmonic Measured at 2 x fLO –36.5 dBc
HD3LO LO Third Harmonic Measured at 3 x fLO –33.5 dBc
HD2BB Baseband Second Harmonic Measured at fLO ± 2 x fBB –65.5 dBc
HD3BB Baseband Third Harmonic Measured at fLO ± 3 x fBB –73 dBc
RLO RF Output Return Loss 6 dB
IQ MODULATOR ƒLO = 2150 MHz
G Gain Typical Operating Mode 0.2 dB
High Gain Mode 3 dB
Gain Flatness In 300 MHz bandwidth –0.5 0.5 dB
OP1dB Output Compression Point 11.6 dBm
OIP3 Output 3rd Order Intercept Point FBB = 4.5, 5.5 MHz 30 dBm
OIP2 Output 2nd Order Intercept Point FBB = 4.5, 5.5 MHz 43 dBm
SBS Unadj. Side Band Suppression –43 dBc
CF Unadj. Carrier Feedt hrough –42 dBm
NSDO Output Noise Spectral Density BB inputs terminated on 50 Ω –157 dBm/Hz
HD2LO LO Second Harmonic Measured at 2 x fLO –40 dBc
HD3LO LO Third Harmonic Measured at 3 x fLO –31 dBc
HD2BB Baseband Second Harmonic Measured at fLO ± 2 x fBB –51 dBc
HD3BB Baseband Third Harmonic Measured at fLO ± 3 x fBB –69 dBc
IQ MODULATOR ƒLO = 2700 MHz
G Gain Typical Operating Mode 0 dB
High Gain Mode 2.4 dB
Gain Flatness In 300MHz bandwidth –0.5 0.5 dB
OP1dB Output Compression Point 10.4 dBm
OIP3 Output 3rd Order Intercept Point FBB = 4.5, 5.5 MHz 29.5 dBm
OIP2 Output 2nd Order Intercept Point FBB = 4.5, 5.5 MHz 45.5 dBm
SBS Unadj. Side Band Suppression –33 dBc
CF Unadj. Carrier Feed through –39.6 dBm
NSDO Output Noise Spectral Density BB inputs terminated on 50 Ω –156 dBm/Hz
HD2LO LO Second Harmonic Measured at 2 x fLO –29 dBc
HD3LO LO Third Harmonic Measured at 3 x fLO –37 dBc
HD2BB Baseband Second Harmonic Measured at fLO ± 2 x fBB –53 dBc
HD3BB Baseband Third Harmonic Measured at fLO ± 3 x fBB –68 dBc
IQ MODULATOR ƒLO = 3600 MHz
G Gain Typical Operating Mode –2 dB
High Gain Mode 0.4 dB
OP1dB Output Compression Point 8.7 dBm
OIP3 Output 3rd Order Intercept Point FBB = 4.5, 5.5 MHz 24.5 dBm
OIP2 Output 2nd Order Intercept Point FBB = 4.5, 5.5 MHz 45.5 dBm
SBS Unadj. Side Band Suppression –31.5 dBc
CF Unadj. Carrier Feed through –39.5 dBm
HD2LO LO Second Harmonic Measured at 2 x fLO –28.4 dBc
HD3LO LO Third Harmonic Measured at 3 x fLO –31.5 dBc
HD2BB Baseband Second Harmonic Measured at fLO ± 2 x fBB –55 dBc
HD3BB Baseband Third Harmonic Measured at fLO ± 3 x fBB –65 dBc
BASEBAND INPUTS
VCM Common Mode Voltage Baseband I/Q input 0 0.25 0.5 V
BWBB Baseband Bandwidth 1 dB Bandwidth 900 MHz
ZinBB Baseband Input Impedance Resistance 5 kΩ
Capacitance 4 pF
REFERENCE OSCILLATOR PARAMETERS
Fref Reference Frequency Max 350 MHz
Reference Input Sensitivity 0.2 3.3 VPP
Zinref Reference Input Impedance Parallel capacitance 2 pF
Parallel resistance 2.2 kΩ
PFD, CP
FPFD PFD Frequency Max, refer to the Typical Application 65 MHz
ICP_OUT Charge Pump Current Max 1.94 mA
In-band Normalized PN Floor Integer Mode –221 dBc/Hz
VCO
fVCO Typical VCO frequency range(2) 2050 4100 MHz
KV VCO gain VTUNE = 1.1 V 30 MHz/V
PN VCO Open Loop Phase Noise;
fVCO = 3600 MHz;
TX Div = Div-by-1;
fOUT = 3600 MHz
VTUNE = 1.1 V 		10 kHz –74 dBc/Hz
100 kHz –109
1 MHz –135
10 MHz –152
40 MHz –156
VCO Open Loop Phase Noise;
fVCO = 3600 MHz;
TX Div = Div-by-2;
fOUT = 1800 MHz;
VTUNE = 1.1 V 		10 kHz –80 dBc/Hz
100 kHz –115
1 MHz –141
10 MHz –156
40 MHz –158
LO OUTPUT
fOUT Typical output frequency range(2) Divide by 1 2050 4100 MHz
Divide by 2 1025 2050
Divide by 4 512.5 1025
Divide by 8 256.25 512.5
PLO Output power SE at 1800 MHz, OUTBUF_BIAS = 2 1 dBm
External VCO input Frequency Range 250 4200 MHz
External VCO Input Level –10 0 10 dBm
CLOSE LOOP PLL OR VCO
Integrated Phase Noise Frac-N; PFD = 15.36 MHz; fOUT = 3532.89 MHz;
Integration BW =1 kHz to 10 MHz; SSB		 -45.2 dB
Int-N; PFD = 2.56 MHz; fOUT = 1799.68 MHz;
Integration BW = 500 Hz to 20 MHz; SSB		 -49.8 dB
VCO Close Loop Phase Noise;
fVCO = 3600 MHz;
TX DIV = Div-by-2;
fOUT = 1800 MHz;
Integer Mode, PFD = 2.56MHz 		10 kHz –96 dBc/Hz
100 kHz –114
1 MHz –140
10 MHz –156
40 MHz –158
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 x VCC V
VOL Low Level Output Voltage Referenced to VCC_DIG 0.2 x VCC V
(1) Powered down output buffer and LO divider.
(2) Divided-down ranges minimum and maximum values are typical but are not specified.

6.6 Typical Characteristics

6.6.1 Modulator Output Spectrum

Graphical illustration of the modulator output spectrum with two tones is shown in Figure 1.

TRF3722 Modulator_Output_Spectrum.gif Figure 1. Graphical Illustration of Modulator Output Spectrum

6.7 Typical Characteristics - Output Power

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, 500 mVPP, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16. Total Pout is two tones combined power.
TRF3722 D015_SLWS245.gif
Figure 2. Total POUT vs Temperature, Typical Operating Mode
TRF3722 D017_SLWS245.gif
Figure 4. Total POUT vs Temperature, High Gain Mode
TRF3722 D019_SLWS245.gif
Figure 6. Total POUT vs Temperature, Low Power Mode
TRF3722 D218_SLWS245.gif
Figure 3. Total POUT vs Supply, Typical Operating Mode
TRF3722 D219_SLWS245.gif
Figure 5. Total POUT vs Supply, High Gain Mode
TRF3722 D220_SLWS245.gif
Figure 7. Total POUT vs Supply, Low Power Mode

6.8 Typical Characteristics - Gain

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16.
TRF3722 D003_SLWS245.gif
Figure 8. Voltage Gain vs Temperature, Typical Operating Mode
TRF3722 D005_SLWS245.gif
Figure 10. Voltage Gain vs Temperature, High Gain Mode
TRF3722 D007_SLWS245.gif
Figure 12. Voltage Gain vs Temperature, Low Power Mode
TRF3722 D004_SLWS245.gif
Figure 9. Voltage Gain vs Supply, Typical Operating Mode
TRF3722 D006_SLWS245.gif
Figure 11. Voltage Gain vs Supply, High Gain Mode
TRF3722 D008_SLWS245.gif
Figure 13. Voltage Gain vs Supply, Low Power Mode

6.9 Typical Characteristics - OIP3

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16. Reported OIP3 is minimum of low side and high side.
TRF3722 D009_SLWS245.gif
Figure 14. OIP3 vs Temperature, Typical Operating Mode
TRF3722 D011_SLWS245.gif
Figure 16. OIP3 vs Temperature, High Gain Mode
TRF3722 D013_SLWS245.gif
Figure 18. OIP3 vs Temperature, Low Power Mode
TRF3722 D010_SLWS245.gif
Figure 15. OIP3 vs Supply, Typical Operating Mode
TRF3722 D012_SLWS245.gif
Figure 17. OIP3 vs Supply, High Gain Mode
TRF3722 D014_SLWS245.gif
Figure 19. OIP3 vs Supply, Low Power Mode

6.10 Typical Characteristics - OIP2

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16. Reported OIP2 is minimum of low side and high side.
TRF3722 D021_SLWS245.gif
Figure 20. OIP2 vs Temperature, Typical Operating Mode
TRF3722 D023_SLWS245.gif
Figure 22. OIP2 vs Temperature, High Gain Mode
TRF3722 D025_SLWS245.gif
Figure 24. OIP2 vs Temperature, Low Power Mode
TRF3722 D022_SLWS245.gif
Figure 21. OIP2 vs Supply, Typical Operating Mode
TRF3722 D024_SLWS245.gif
Figure 23. OIP2 vs Supply, High Gain Mode
TRF3722 D026_SLWS245.gif
Figure 25. OIP2 vs Supply, Low Power Mode

6.11 Typical Characteristics - OP1dB

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C, I/Q frequency (fBB) 5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16.
TRF3722 D027_SLWS245.gif
Figure 26. OP1dB vs Temperature, Typical Operating Mode
TRF3722 D029_SLWS245.gif
Figure 28. OP1dB vs Temperature, High Gain Mode
TRF3722 D031_SLWS245.gif
Figure 30. OP1dB vs Temperature, Low Power Mode
TRF3722 D028_SLWS245.gif
Figure 27. OP1dB vs Supply, Typical Operating Mode
TRF3722 D030_SLWS245.gif
Figure 29. OP1dB vs Supply, High Gain Mod
TRF3722 D032_SLWS245.gif
Figure 31. OP1dB vs Supply, Low Power Mode

6.12 Typical Characteristics - Noise

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, TA = 25°C, BB inputs terminated to 50 Ω and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16.
TRF3722 D045_SLWS245.gif
Figure 32. Noise vs Temperature, Typical Operating Mode
TRF3722 D047_SLWS245.gif
Figure 34. Noise vs Temperature, High Gain Mode
TRF3722 D049_SLWS245.gif
Figure 36. Noise vs Temperature, Low Power Mode
TRF3722 D046_SLWS245.gif
Figure 33. Noise vs Supply, Typical Operating Mode
TRF3722 D048_SLWS245.gif
Figure 35. Noise vs Supply, High Gain Mode
TRF3722 D050_SLWS245.gif
Figure 37. Noise vs Supply, Low Power Mode

6.13 Typical Characteristics - Unadjusted CF

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK= 5 V, TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16.
TRF3722 D033_SLWS245.gif Figure 38. Unadjustable CF vs Temperature,
Typical Operating Mode
TRF3722 D035_SLWS245.gif
Figure 40. Unadjustable CF vs Temperature,
High Gain Mode
TRF3722 D037_SLWS245.gif
Figure 42. Unadjustable CF vs Temperature,
Low Power Mode
TRF3722 D034_SLWS245.gif Figure 39. Unadjustable CF vs Supply,
Typical Operating Mode
TRF3722 D036_SLWS245.gif
Figure 41. Unadjustable CF vs Supply, High Gain Mode
TRF3722 D038_SLWS245.gif
Figure 43. Unadjustable CF vs Supply, Low Power Mode

6.14 Typical Characteristics - Unadjusted SBS

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK= 5 V, and TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16.
TRF3722 D221_SLWS245.gif Figure 44. Unadjustable SBS vs Temperature,
Typical Operating Mode
TRF3722 D223_SLWS245.gif
Figure 46. Unadjustable SBS vs
Temperature, High Gain Mode
TRF3722 D225_SLWS245.gif
Figure 48. Unadjustable SBS vs Temperature,
Low Power Mode
TRF3722 D222_SLWS245.gif Figure 45. Unadjustable SBS vs Supply,
Typical Operating Mode
TRF3722 D224_SLWS245.gif
Figure 47. Unadjustable SBS vs Supply,
High Gain Mode
TRF3722 D226_SLWS245.gif
Figure 49. Unadjustable SBS vs Supply, Low Power Mode

6.15 Typical Characteristics - LO Harmonic

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, and TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16.
TRF3722 D051_SLWS245.gif Figure 50. LO Second Harmonic vs Temperature,
Typical Operating Mode
TRF3722 D053_SLWS245.gif Figure 52. LO Second Harmonic vs Temperature,
High Gain Mode
TRF3722 D055_SLWS245.gif Figure 54. LO Second Harmonic vs Temperature,
Low Power Mode
TRF3722 D057_SLWS245.gif Figure 56. LO Third Harmonic vs Temperature,
Typical Operating Mode
TRF3722 D059_SLWS245.gif Figure 58. LO Third Harmonic vs Temperature,
High Gain Mode
TRF3722 D061_SLWS245.gif Figure 60. LO Third Harmonic vs Temperature,
Low Power Mode
TRF3722 D201_SLWS245.gif Figure 51. LO Second Harmonic vs Supply,
Typical Operating Mode
TRF3722 D202_SLWS245.gif Figure 53. LO Second Harmonic vs Supply,
High Gain Mode
TRF3722 D203_SLWS245.gif Figure 55. LO Second Harmonic vs Supply,
Low Power Mode
TRF3722 D204_SLWS245.gif Figure 57. LO Third Harmonic vs Supply,
Typical Operating Mode
TRF3722 D205_SLWS245.gif Figure 59. LO Third Harmonic vs Supply,
High Gain Mode
TRF3722 D206_SLWS245.gif Figure 61. LO Third Harmonic vs Supply,
Low Power Mode

6.16 Typical Characteristics - BB Harmonic

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK= 5 V, and TA = 25°C, I/Q frequency (fBB) 4.5 MHz and 5.5 MHz, VCM = 0.25 V, and 4.7 pF series capacitor at RFOUT. Optimized bias settings as per Table 16. Reported BB harmonic is from (fBB) 4.5MHz.
TRF3722 D063_SLWS245.gif
Figure 62. BB-HD2 vs Temperature, Typical Operating Mode
TRF3722 D065_SLWS245.gif
Figure 64. BB-HD2 vs Temperature, High Gain Mode
TRF3722 D067_SLWS245.gif
Figure 66. BB-HD2 vs Temperature, Low Power Mode
TRF3722 D069_SLWS245.gif
Figure 68. BB-HD3 vs Temperature, Typical Operating Mode
TRF3722 D071_SLWS245.gif
Figure 70. BB-HD3 vs Temperature, High Gain Mode
TRF3722 D073_SLWS245.gif
Figure 72. BB-HD3 vs Temperature, Low Power Mode
TRF3722 D207_SLWS245.gif
Figure 63. BB-HD2 vs Supply, Typical Operating Mode
TRF3722 D208_SLWS245.gif
Figure 65. BB-HD2 vs Supply, High Gain Mode
TRF3722 D209_SLWS245.gif
Figure 67. BB-HD2 vs Supply, Low Power Mode
TRF3722 D210_SLWS245.gif
Figure 69. BB-HD3 vs Supply, Typical Operating Mode
TRF3722 D211_SLWS245.gif
Figure 71. BB-HD3 vs Supply, High Gain Mode
TRF3722 D212_SLWS245.gif
Figure 73. BB-HD3 vs Supply, Low Power Mode

6.17 Typical Characteristics - RF Output Return Loss

Unless specified all plots were created at RFOUT pin using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, and TA = 25°C
TRF3722 smithchart_slws245.gif Figure 74. Smith Chart
TRF3722 D120_SLWS245.gif
Figure 75. RFOUT S22 vs Frequency

6.18 Typical Characteristics - PLL/VCO

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, and TA = 25°C. Measured at LO_OUTP with 50 Ω bias resistor and 47 pF series capacitor. Modulator section powered down. Reference frequency is set to 61.44 MHz. Optimized bias settings as per Table 16.
TRF3722 D087_SLWS245.gif Figure 76. Open Loop Phase Noise at 450 MHz vs Temperature
TRF3722 D089_SLWS245.gif
Figure 78. Open Loop Phase Noise at 900 MHz vs Temperature
TRF3722 D091_SLWS245.gif
Figure 80. Open Loop Phase Noise at 1800 MHz vs Temperature
TRF3722 D215_SLWS245.gif
Figure 82. Open Loop Phase Noise vs Frequency
TRF3722 D096_SLWS245.gif Figure 84. 450 MHz Frac-N (Closed Loop Phase Noise) vs Supply
TRF3722 D098_SLWS245.gif Figure 86. 1800 MHz Frac-N (Closed Loop Phase Noise) vs Supply
TRF3722 D100_SLWS245.gif Figure 88. 2150 MHz Frac-N (Closed Loop Phase Noise) vs Supply
TRF3722 D102_SLWS245.gif Figure 90. 2700 MHz Frac-N (Closed Loop Phase Noise) vs Supply
TRF3722 D104_SLWS245.gif Figure 92. 3600 MHz Frac-N (Closed Loop Phase Noise) vs Supply
TRF3722 D106_SLWS245.gif Figure 94. PFD Spur vs Temperature
TRF3722 D108_SLWS245.gif
Figure 96. PFD Spur vs PFD Multiples
TRF3722 D213_SLWS245.gif
Figure 98. 1 x Reference Spur vs Temperature
TRF3722 D111_SLWS245.gif
Figure 100. Reference Spur vs Reference Multiples
TRF3722 D113_SLWS245.gif
Figure 102. 3609.6 MHz Integer Boundary Spur vs Supply
TRF3722 D115_SLWS245.gif
Figure 104. 1842.2 MHz Integer Boundary Spur vs Supply
TRF3722 D216_SLWS245.gif
V(tune) = 1.1 V
Figure 106. Frequency vs VCO_TRIM
TRF3722 D117_SLWS245.gif
Figure 108. LO Output Power at LO_OUTP vs Supply
TRF3722 D088_SLWS245.gif Figure 77. Open Loop Phase Noise at 450 MHz vs Supply
TRF3722 D090_SLWS245.gif
Figure 79. Open Loop Phase Noise at 900 MHz vs Supply
TRF3722 D092_SLWS245.gif
Figure 81. Open Loop Phase Noise at 1800 MHz vs Supply
TRF3722 D095_SLWS245.gif
Figure 83. 450 MHz Frac-N (Closed Loop Phase Noise) vs Temperature
TRF3722 D097_SLWS245.gif Figure 85. 1800 MHz Frac-N (Closed Loop Phase Noise) vs Temperature
TRF3722 D099_SLWS245.gif Figure 87. 2150 MHz Frac-N (Closed Loop Phase Noise) vs Temperature
TRF3722 D101_SLWS245.gif Figure 89. 2700 MHz Frac-N (Closed Loop Phase Noise) vs Temperature
TRF3722 D103_SLWS245.gif Figure 91. 3600 MHz Frac-N (Closed Loop Phase Noise) vs Temperature
TRF3722 D105_SLWS245.gif Figure 93. 450, 900, 1800, 3600 MHz Closed Loop Phase Noise vs Offset Frequency
TRF3722 D107_SLWS245.gif Figure 95. PFD Spur vs Supply
TRF3722 D227_SLWS245.gif
Figure 97. PFD Spur vs Frequency
TRF3722 D214_SLWS245.gif
Figure 99. Reference Spur vs Supply
TRF3722 D112_SLWS245.gif
Figure 101. 3609.6 MHz Integer Boundary Spur vs Temperature
TRF3722 D114_SLWS245.gif
Figure 103. 1843.2 MHz Integer Boundary Spur vs Temperature
TRF3722 D217_SLWS245.gif
V(tune) = 1.1 V
Figure 105. KVCO vs VCO Trim
TRF3722 D116_SLWS245.gif
Figure 107. LO Output Power at LO_OUTP vs Temperature
TRF3722 D118_SLWS245.gif
Figure 109. LO Harmonics at LO_OUTP vs Frequency

6.19 Typical Characteristics - Current Consumption

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, and TA = 25°C. Optimized bias settings as per Table 16
TRF3722 D228_SLWS245.gif
Figure 110. 3.3V Supply Current vs Temperature, Typical Operating Mode
TRF3722 D230_SLWS245.gif
Figure 112. 3.3V Supply Current vs Temperature, High Gain Mode
TRF3722 D232_SLWS245.gif
Figure 114. 3.3V Supply Current vs Temperature, Low Power Mode
TRF3722 D234_SLWS245.gif
Figure 116. 5V Supply Current vs Temperature, Typical Operating Mode
TRF3722 D229_SLWS245.gif
Figure 111. 3.3V Supply Current vs Supply, Typical Operating Mode
TRF3722 D231_SLWS245.gif
Figure 113. 3.3V Supply Current vs Supply, High Gain Mode
TRF3722 D233_SLWS245.gif
Figure 115. 5V Supply Current vs Supply, Low Power Mode
TRF3722 D235_SLWS245.gif
Figure 117. 5V Supply Current vs Temperature, Typical Operating Mode

6.20 Typical Characteristics - Power Dissipation

Unless specified all plots were created using TRF3722EVM, VCC = 3.3 V, VCC_TK = 5 V, and TA = 25°C. Optimized bias settings as per Table 16.
TRF3722 D075_SLWS245.gif Figure 118. 3.3 V PDISS vs Temperature,
Typical Operating Mode
TRF3722 D077_SLWS245.gif
Figure 120. 3.3 V PDISS vs Temperature,
High Gain Mode
TRF3722 D079_SLWS245.gif
Figure 122. 3.3 V PDISS vs Temperature, Low Power Mode
TRF3722 D081_SLWS245.gif
Figure 124. Total PDISS vs Temperature,
Typical Operating Mode
TRF3722 D083_SLWS245.gif
Figure 126. Total PDISS vs Temperature, High Gain Mode
TRF3722 D085_SLWS245.gif
Figure 128. Total PDISS vs Temperature, Low Power Mode
TRF3722 D076_SLWS245.gif Figure 119. 3.3 V PDISS vs Supply,
Typical Operating Mode
TRF3722 D078_SLWS245.gif
Figure 121. 3.3 V PDISS vs Supply,
High Gain Mode
TRF3722 D080_SLWS245.gif
Figure 123. 3.3 V PDISS vs Supply, Low Power Mode
TRF3722 D082_SLWS245.gif
Figure 125. Total PDISS vs Supply, Typical Operating Mode
TRF3722 D084_SLWS245.gif
Figure 127. Total PDISS vs Supply, High Gain Mode
TRF3722 D086_SLWS245.gif
Figure 129. Total PDISS vs Supply, Low Power Mode