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Contents

README

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WF480RA VX S8T&R

WF · RF Transceiver ICs · SOP-8

WF480RA VX S8T&R from WF, in a SOP-8. 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 GND power_in Ground pin.
2 ANT input RF signal input pin.
3 VDD power_in Power supply pin, DC 2.0~5.5V.
4 CTH input Reference signal mode selection for the internal data comparator.
5 DO output Demodulated data signal output.
6 SHUT input Shutdown control: connect to supply for shutdown mode, connect to ground for operating mode.
7 NC unconnected Not connected, leave floating.
8 REFOSC input External crystal connection pin for the reference oscillator.

Key specifications

Parameter Value
Manufacturer WF
Package SOP-8
Category RF & Radio
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage VDD 2 3.3 5.5 V 3
Operating temperature TA -40 125 ℃ 3
Supply voltage slew rate θ 1 mV/μs 3
Supply voltage VDD -0.3 5.5 V 3
Interface voltage VIN -0.3 6 V VDD+0.3 V 3
Junction temperature TJ -40 150 ℃ 3
Storage temperature TSTG -65 150 ℃ 3
Soldering temperature TSDR 255 ℃ 持续至少 30 秒 3
ESD rating HBM VHBM -8 8 kV 人体模型(HBM) 3
Receiver supply voltage VDD 2 5.5 V 4
Data rate DR 10 kbps 4
Operating current IOP 4.98 mA fRF=315MHz,VDD=3.3V 4
Operating current IOP 5.07 mA fRF=315MHz,VDD=5V 4
Standby current ISTBY 0.01 µA VSHUT=VDD 4
Receiver sensitivity -113 dBm fRF = 315MHz / 2kbps 4
Receiver bandwidth BW 300 kHz fRF = 315MHz 4
IF frequency fIF 0.86 MHz 4
IF bandwidth fBW 0.43 MHz 4
Saturation input level -20 dBm RSC = 50Ω 4
Spurious reverse isolation 30 µVr/ms ANT pin, RSC = 50Ω 4
Reference oscillator input impedance ZREFOSC 290 kΩ 4
Reference oscillator source current 5.2 µA 4
CTH source impedance ZCTH 145 kΩ 4
CTH leakage current IZCTH(leak) -100 100 nA TA = +85°C 4
Receiver startup time 4 ms 从VDD上电到接收 4
SHUT startup time 3 ms 从SHUT引脚拉低到接收 4
Crystal accuracy -20 20 ppm 5
Crystal load capacitance CLOAD 15 pF 5
Crystal equivalent resistance Rm 60 Ω 5
Crystal startup time tXTAL 400 µs 5

CAD (KiCad official)

  • Symbol: WF480RA VX S8T&R
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: wf480ra-vx-s8t-r-etched.step / wf480ra-vx-s8t-r-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); wf480ra-vx-s8t-r.step / wf480ra-vx-s8t-r.glb are the bare package body.

Provenance

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

  • Datasheet: WF datasheet (6 pp, sha256 308b88d70a739aa5, retrieved 2026-10-22, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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