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TRF371135IRGZR

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Texas Instruments RF Modulators And Demodulators, VQFN-48-EP(7x7). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TRF371135IRGZR

Texas Instruments · RF Modulators And Demodulators · VQFN-48-EP(7x7)

TRF371135IRGZR from Texas Instruments, in a VQFN-48-EP(7x7). Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 GNDDIG power_in Digital ground.
2 VCCDIG power_in Digital power supply; the device operates from a 4.5-V to 5.5-V single supply.
3 CHIP_EN input Chip enable input.
4 VCCMIX1 power_in Mixer power supply; the device operates from a 4.5-V to 5.5-V single supply.
5 GND power_in Ground.
6 MIXinp input Mixer input, positive terminal.
7 MIXinn input Mixer input, negative terminal.
8 GND power_in Ground.
9 VCCMIX2 power_in Mixer power supply; the device operates from a 4.5-V to 5.5-V single supply.
10 NC unconnected No connect.
11 NC unconnected No connect.
12 GND power_in Ground.
13 GND power_in Ground.
14 GND power_in Ground.
15 GND power_in Ground.
16 MIXQoutp output Mixer Q output, positive terminal.
17 MIXQoutn output Mixer Q output, negative terminal.
18 NC unconnected No connect.
19 NC unconnected No connect.
20 REXT output Reference bias external resistor pin.
21 VCCBIAS power_in Bias block power supply; the device operates from a 4.5-V to 5.5-V single supply.
22 GNDBIAS power_in Bias block ground.
23 NC unconnected No connect.
24 VCM input Baseband common-mode input voltage.
25 VCCBBQ power_in Baseband Q chain power supply; the device operates from a 4.5-V to 5.5-V single supply.
26 GND power_in Ground.
27 BBQoutn output Baseband Q (in quadrature) output, negative terminal.
28 BBQoutp output Baseband Q (in quadrature) output, positive terminal.
29 VCCLO power_in Local oscillator power supply; the device operates from a 4.5-V to 5.5-V single supply.
30 LOin input Local oscillator input, negative terminal.
31 LOip input Local oscillator input, positive terminal.
32 GND power_in Ground.
33 BBIoutp output Baseband I (in-phase) output, positive terminal.
34 BBIoutn output Baseband I (in-phase) output, negative terminal.
35 GND power_in Ground.
36 VCCBBI power_in Baseband I (in-phase) power supply; the device operates from a 4.5-V to 5.5-V single supply.
37 NC unconnected No connect.
38 READBACK output SPI readback data output.
39 Gain_B2 input PGA fast gain control bit 2.
40 Gain_B1 input PGA fast gain control bit 1.
41 Gain_B0 input PGA fast gain control bit 0.
42 NC unconnected No connect.
43 NC unconnected No connect.
44 MIXIoutn output Mixer I output, negative terminal.
45 MIXIoutp output Mixer I output, positive terminal.
46 STROBE input SPI enable input.
47 DATA input SPI data input.
48 CLOCK input SPI clock input.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-48-EP(7x7)
Category RF And Wireless
Pins 49

CAD (KiCad official)

  • Symbol: TRF371135IRGZR
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: VQFN-48-EP(7x7) (KiCad packages3D, STEP)
  • 3D model files: trf371135irgzr-etched.step / trf371135irgzr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); trf371135irgzr.step / trf371135irgzr.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Texas Instruments datasheet (60 pp, sha256 8d4181352ebe2157, retrieved 2026-10-09, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF