Texas Instruments CC2541F128RHAT, RF Transceiver 2.4GHz 2 → 3.6 V 40-Pin VQFN

Technical data sheets
Legislation and Compliance
RoHS Certificate of Compliance
Product Details

CC2541 Bluetooth 4.0 RF System-on-Chip

The CC2541 is a cost-effective, low-power, system-on-chip (SoC) for Bluetooth Low Energy (BLE) applications. It enables robust BLE master or slave nodes to be built with very low BOM costs.

Bluetooth 4.0 compliant RF transceiver SoC
8051-core MCU with up to 256KB Flash memory, 8KB RAM
RF Frequency Range: 2379 to 2496MHz ISM Band
RF Output Power: 0dBm
Receiver Sensitivity: -90dBm @ 2Mbps and 0.1% BER, -98dBm @ 250kbps and 0.1% BER
Modulation: GFSK, MSK
OTA Data Rate: 2Mbps
Bluetooth LE stack with ATT/GATT, SMP, L2CAP
Proximity, Accelerometer, Simple Keys and Battery GATT Services
AES-128 Security Coprocessor
Battery Monitor and Temperature Sensor
8 channel 12-bit ADC
Serial communication: 2 x USART, I²C
23 x GPIO pins (including 2 x 20mA LED drivers)
Various low-power operation modes
Power supply: +2.0V to +3.6Vdc
Operating temperature range: -40 to +85°C
Applications: Mobile Phone Accessories
, Sports & Leisure Equipment
, Human Interface Devices, Consumer Electronics, Local communication for the Internet of Things (IoT)

RS Product Codes
817-5938 CC2541F128RHAT 128KB Flash memory
798-8770 CC2541F256RHAT 256KB Flash memory


Bluetooth Low Energy, ETSI, FCC, ARIB

Attribute Value
Number of Operating Bands 1
Maximum Operating Band 1 Frequency 2.4GHz
Height 0.95mm
Modulation Technique GFSK, MSK
Maximum Operating Supply Voltage 3.6 V
Minimum Operating Supply Voltage 2 V
Maximum Operating Temperature +85 °C
Minimum Operating Temperature -40 °C
Mounting Type Surface Mount
Package Type VQFN
Length 6.15mm
Pin Count 40
Width 6.15mm
Dimensions 6.15 x 6.15 x 0.95mm
131 In stock for delivery within 5 working day(s)
Price (ex. GST) Each
$ 7.13
(exc. GST)
$ 8.20
(inc. GST)
Per unit
1 - 9
10 - 49
50 - 99
100 - 499
500 +
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