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CC2520RHDR

Texas Instruments · RF Transceiver ICs · QFN-28-EP(5x5)

CC2520RHDR from Texas Instruments, in a QFN-28-EP(5x5). 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 SO output SPI interface serial out.
2 SI input SPI interface serial in.
3 CSn input SPI interface chip select, active low.
4 GPIO5 bidirectional General purpose digital I/O.
5 GPIO4 bidirectional General purpose digital I/O.
6 GPIO3 bidirectional General purpose digital I/O.
7 GPIO2 bidirectional General purpose digital I/O.
8 DVDD power_in 1.8 V to 3.8 V digital power supply for digital pads.
9 GPIO1 bidirectional General purpose digital I/O.
10 GPIO0 bidirectional General purpose digital I/O.
11 AVDD5 power_in 1.8 V to 3.8 V analog power supply connection.
12 XOSC32M_Q2 passive Crystal oscillator pin 2 (analog I/O) for the 32 MHz crystal.
13 XOSC32M_Q1 passive Crystal oscillator pin 1 (analog I/O) for the 32 MHz crystal.
14 AVDD3 power_in 1.8 V to 3.8 V analog power supply connection.
15 NC unconnected Not connected.
16 AVDD2 power_in 1.8 V to 3.8 V analog power supply connection.
17 RF_P bidirectional Positive RF input to LNA in receive mode and positive RF output from PA in transmit mode.
18 NC unconnected Not connected.
19 RF_N bidirectional Negative RF input to LNA in receive mode and negative RF output from PA in transmit mode.
20 AVDD1 power_in 1.8 V to 3.8 V analog power supply connection.
21 NC unconnected Not connected.
22 AVDD4 power_in 1.8 V to 3.8 V analog power supply connection.
23 RBIAS passive External precision bias resistor for reference current, 56 kΩ ±1%.
24 AVDD_GUARD power_in Power supply connection for digital noise isolation and the digital voltage regulator.
25 RESETn input External reset pin, active low.
26 VREG_EN input When high, the digital voltage regulator is active.
27 DCOUPL power_out 1.6 V to 2.0 V digital power supply output for decoupling only; cannot supply external devices.
28 SCLK input SPI interface serial clock, maximum 8 MHz.
29 AGND power_in Analog ground, connected through the exposed die attach pad.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package QFN-28-EP(5x5)
Category RF & Radio
Pins 29

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 -0.3 3.9 V 10
Voltage on any digital pin -0.3 3.9 V 10
Voltage on 1.8 V pins -0.3 2 V 10
Input RF level 10 dBm 10
Storage temperature range -50 150 °C 10
Reflow soldering temperature 260 °C 10
ESD HBM 800 V HBM 10
ESD CDM 500 V CDM 10
ESD MM 100 V MM 10
Operating supply voltage 1.8 3.8 V 11
Ambient temperature -40 125 °C 11
Logic 1 input voltage 80 % of VDD Valid for all pads (both GPIOs and fixed-input pads) 11
Logic 0 input voltage 30 % of VDD Valid for all pads (both GPIOs and fixed-input pads) 11
Logic 0 input current -25 25 nA Input equals 0V 11
Logic 1 input current -25 25 nA Input equals VDD 11
LPM2 to AM time 0.3 ms Internal regulator startup time + XOSC startup time 11
LPM1 to AM time 0.2 ms XOSC startup time 11
AM to RX time 192 µs 11
AM to TX time 192 µs 11
RX/TX turnaround time 192 µs 11
TX/RX turnaround time 192 µs 11
Wait for sync current 22.3 24.8 mA 11
Wait for sync current 26.3 mA TA=-40 to 125°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 11
Receive current 0 dBm setting 25.8 28.8 mA 0 dBm setting 11
Transmit current +5 dBm setting 33.6 37.2 mA +5 dBm setting 11
Transmit current +5 dBm setting 37.5 mA TA=-40 to 125°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 11
Active Mode current 1.6 1.9 mA XOSC on, digital regulator on. 11
Active Mode current 2.6 mA TA=-40 to 125°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 11
LPM1 current 175 250 µA XOSC off, digital regulator on. State retention. 12
LPM1 current 1000 µA TA=-40 to 125°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 12
LPM2 current 30 120 nA XOSC off, digital regulator off. No state retention. 12
LPM2 current 4.5 µA TA=-40 to 125°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 12
Receiver sensitivity -99 -98 -95 dBm [2] requires -85 dBm 12
Receiver sensitivity -88 dBm TA=-40 to 125°C, VDD=1.8 to 3.8V, fc =2394 to 2507 MHz 12
Maximum spurious emission -80 dBm 30, 1000 MHz 12
Maximum spurious emission -56 dBm 1, 12.75 GHz 12
Frequency error tolerance -400 400 kHz Input level is 3 dB above sensitivity level. 12
RF frequency range 2394 2507 MHz Programmable in 1 MHz steps. Use 5 MHz steps for compliance with [2]. 12
Output power -3 1 5 dBm 0 dBm setting 12
Output power 2 5 7 dBm +5 dBm setting 12
Output power -3 8 dBm TA=-40 to 85°C, VDD=2.0 to 3.8 V, fc =2394 to 2507 MHz 12
Output power -4 8 dBm TA=-40 to 85°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 12
Output power -6 8 dBm TA=-40 to 125°C, VDD=2.0 to 3.8 V, fc =2394 to 2507 MHz 12
Output power -9 8 dBm TA=-40 to 125°C, VDD=1.8 to 3.8 V, fc =2394 to 2507 MHz 12
Error vector magnitude (EVM) 35 % [2] requires max. 35%. Measured as defined by [2]. 13
RSSI/CCA accuracy -4 4 dB 13
FREQEST range -300 300 kHz 13
FREQEST accuracy -10 10 kHz 13
Temp sensor accuracy no calibration -12 12 °C at fixed voltage, Tc=-40, 125°C, VDD=1.8, 3.8 V 21
Temp sensor accuracy with 1-point calibration -1 1 °C at fixed voltage, Tc=-40, 125°C, VDD=1.8, 3.8 V 21
Crystal frequency accuracy requirement -40 40 ppm Including initial tolerance, aging and temperature dependency, as specified by [2]. Can be relaxed using on-chip crystal tuning (see below). 22
ESR 60 Ohm 22
Crystal tuning drift -10 10 % In % of applied tuning 22

CAD (KiCad official)

  • Symbol: CC2520RHDR
  • Footprint: Package_DFN_QFN:QFN-28-1EP_5x5mm_P0.5mm_EP3.35x3.35mm
  • 3D model: QFN-28-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: cc2520rhdr-etched.step / cc2520rhdr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cc2520rhdr.step / cc2520rhdr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (134 pp, sha256 581ef6fc3888cae6, retrieved 2026-11-06, tier: manufacturer)
  • 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