EmbeddedRelated.com
    Parts    CC1101RGPT
CC1101RGPT

TICC1101RGPT

Texas Instruments
IC RF TxRx Only General ISM < 1GHz 300MHz ~ 348MHz, 387MHz ~ 464MHz, 779MHz ~ 928MHz 20-VFQFN Exposed Pad
Active429 in stock
Datasheet Digi-Key Compare Prices

Overview

The CC1101RGPT is a highly integrated sub-1GHz transceiver designed for very low-power wireless applications. It operates across multiple ISM bands including 300-348 MHz, 387-464 MHz, and 779-928 MHz, supporting various modulation formats like 2-FSK, 4-FSK, GFSK, and MSK. The device is primarily intended for low-power wireless data links in industrial and consumer electronics.

Why Choose This Part

The CC1101 offers exceptional sensitivity of -116 dBm at low data rates and supports data rates up to 600 kbps. Its wide operating voltage of 1.8V to 3.6V and low sleep current of 200 nA make it suitable for energy-constrained designs using coin cell batteries. Additionally, the integrated hardware support for packet handling, address decoding, and CRC significantly reduces the computational load on the host MCU.

Applications

Wireless Alarm and Security Systems
Ideal for battery-operated sensors, smoke detectors, and door locks requiring long-range sub-GHz penetration.
Industrial Monitoring and Control
Used in wireless sensor networks for factory automation and remote telemetry where 2.4GHz interference is a concern.
Automatic Meter Reading (AMR)
Efficient for utility meters (water, gas, electric) that need to transmit through walls and obstacles over long distances.
Home and Building Automation
Supports lighting control and HVAC monitoring using low-duty cycle communications to conserve battery life.

Key Specifications

Type TxRx Only
Frequency 300MHz ~ 348MHz, 387MHz ~ 464MHz, 779MHz ~ 928MHz
Modulation 2FSK, 4FSK, ASK, GFSK, MSK, OOK
Sensitivity -116dBm
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Power - Output 12dBm
Data Rate (Max) 600kbps
Voltage - Supply 1.8V ~ 3.6V
Serial Interfaces SPI
RF Family/Standard General ISM < 1GHz
Current - Receiving 14.3mA ~ 17.1mA
Operating Temperature -40degC ~ 85degC
Current - Transmitting 12.3mA ~ 34.2mA
Supplier Device Package 20-QFN (4x4)

Getting Started

Start development using the CC1101DK Development Kit or the CC1101EMK Evaluation Modules to verify RF performance. Texas Instruments provides the SmartRF Studio software to easily configure register settings and test link quality via a PC interface. Engineers can interface with the device using a standard 4-wire SPI bus to manage the 64-byte RX and TX FIFOs.

Also Consider

SX1276 Semtech - Provides LoRa long-range modulation capabilities in addition to standard FSK/OOK modes.
CC1120 TITexas Instruments - A high-performance successor optimized for narrow-band applications requiring better selectivity and blocking.