CC2541F256RHAR

$3.91

Description：IC RF TXRX+MCU BLE 40VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:ab6c65e08c88 Category: RF Transceiver ICs Brand: Texas Instruments

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Product introduction

CC2541F256RHAR is listed in the RF Transceiver ICS range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC RF TXRX+MCU BLE 40VQFN. Review the specifications below when checking this part for your BOM.

RF Transceiver ICS specifications for CC2541F256RHAR

Description：IC RF TXRX+MCU BLE 40VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Type：TxRx + MCU
RF Family/Standard：Bluetooth
Protocol：Bluetooth v5.0
Modulation：GFSK, MSK
Frequency：2.4GHz
Data Rate (Max)：2Mbps
Power - Output：0dBm
Sensitivity：-99dBm
Memory Size：256kB Flash, 8kB RAM
Serial Interfaces：I2C, SPI, USART
Voltage - Supply：2V ~ 3.6V
Current - Receiving：17.9mA ~ 20.2mA
Current - Transmitting：16.8mA ~ 18.2mA
Operating Temperature：-40°C ~ 85°C
Mounting Type：Surface Mount
Package / Case：40-VFQFN Exposed Pad
Supplier Device Package：40-VQFN (6x6)
GPIO：23
Grade：-
Qualification：-

RF Transceiver ICS datasheet and documents for CC2541F256RHAR

CC2541F256RHAR

RF Transceiver ICS Overview

The CC2541F256RHAR is a System-on-Chip solution for Bluetooth low energy and proprietary 2.4-GHz applications, featuring an 8051 core with 256 kB flash and 8 kB RAM. It operates within a 2 V to 3.6 V supply range across -40°C to +85°C. The device supports data rates of 250 kbps, 500 kbps, 1 Mbps, and 2 Mbps using GFSK and MSK modulation at 2.4 GHz. Key electrical parameters include a maximum output power of 0 dBm, receiver sensitivity of -99 dBm, receive current of 17.9 mA to 20.2 mA, and transmit current of 16.8 mA to 18.2 mA. It provides 23 GPIOs and interfaces via I²C, SPI, and USART in a 40-VQFN package.

RF Transceiver ICS Feature Summary

Integrates RF transceiver and microcontroller on a single chip for compact design
Supports Bluetooth low energy protocol alongside proprietary RF modes
Optimized for low power consumption in battery-operated devices

RF Transceiver ICS Applications

Wireless sensor networks
Home automation systems
Medical device connectivity

RF Transceiver ICS Procurement Notes

Verify the complete part number including suffix RHAR to ensure correct tape-and-reel packaging configuration. Confirm RoHS compliance status and moisture sensitivity level requirements prior to assembly. Cross-reference datasheet specifications against application voltage and temperature constraints to validate suitability.

RF Transceiver ICS Selection Notes

Choose this component when a combined MCU and RF transceiver is required for space-constrained designs. Ensure the host system can support the 8051 architecture and necessary peripheral interfaces. Evaluate power budget against the specified receive and transmit current values to confirm battery life expectations are met.

RF Transceiver ICS Part Context

This part belongs to the CC254x family of Texas Instruments, designed specifically for low-cost, low-power wireless communication. It serves as a foundational SoC for implementing BLE standards without external radio components, simplifying PCB layout and reducing bill of materials complexity compared to discrete solutions.