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CC1101

TICC1101

Texas Instruments
Widely used SPI-controlled sub-1 GHz transceiver with compact footprint for telemetry and remote control.
NRND91,183 in stock

Overview

The CC1101 is a high-performance sub-1 GHz radio transceiver designed for very low-power wireless applications. It provides extensive hardware support for packet handling, data buffering, and burst transmissions, operating across the 315, 433, 868, and 915 MHz ISM and SRD bands.

Why Choose This Part

The CC1101 offers a flexible radio configuration and a powerful Wake-On-Radio (WOR) feature that allows for ultra-low power standby modes. Its built-in packet handling offloads complex tasks like CRC calculation and address filtering from the host microcontroller, simplifying firmware development.

Applications

Wireless Alarm Systems
Used in battery-operated security sensors for long-range connectivity within buildings.
Automatic Meter Reading
Ideal for utility meters where low power consumption and reliable sub-GHz penetration are required.
Industrial Monitoring
Enables wireless sensor networks in industrial environments using its clear channel assessment and link quality indication features.
Home Automation
Commonly integrated into smart lighting, garage door openers, and climate control systems.

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

Development typically involves using the Texas Instruments SmartRF Studio software to generate optimal register settings for desired frequencies and modulations. Practical implementation requires a host MCU with an SPI interface, and TI offers the CC1101DK development kit for initial RF performance evaluation.

CC1101 Family

Part NumberDifferenceStock
CC1101-ISN ISN

Also Consider

SX1276 Semtech - Offers LoRa long-range modulation for significantly greater range at the cost of higher complexity.
CC1310 TITexas Instruments - A modern SoC alternative that integrates a sub-1 GHz transceiver with an ARM Cortex-M3 microcontroller.