CSR1011A05-IQQA-R

RF Transceiver ICS Overview

The Qualcomm CSR1011A05-IQQA-R is a Bluetooth Low Energy (BLE) System-on-Chip integrating an RF transceiver and microcontroller. It operates in the 2.4GHz ISM band, supporting Bluetooth v4.0 protocol with a maximum data rate of 3.69Mbaud. The device features 9dBm output power and -94dBm sensitivity. Memory includes 128kB RAM and 128kB ROM. It offers 32 GPIOs and 3 analog inputs. Power supply ranges from 1.2V to 3.6V, with receive current at 20mA and transmit current at 18mA. Operating temperature spans -30°C to 85°C. The component is housed in a 56-VFQFN exposed pad package.

RF Transceiver ICS Feature Summary

• Integrates high I/O count variant with 32 GPIOs and 3 analog inputs for versatile peripheral connectivity
• Supports Bluetooth v4.0 protocol for low-energy wireless communication applications
• Combines RF transceiver and MCU functionality within a single compact system-on-chip design

RF Transceiver ICS Applications

• Bluetooth Low Energy peripheral devices
• Smart home IoT sensors and actuators
• Wearable health monitoring electronics
• Industrial wireless sensor networks

RF Transceiver ICS Procurement Notes

Verify the specific ordering suffix IQQA-R against official Qualcomm documentation to confirm the 56-pin QFN package configuration. Ensure compatibility with Bluetooth v4.0 requirements rather than newer versions. Confirm that the 128kB memory allocation meets application needs. Check RoHS compliance status for regulatory adherence. Validate surface mount installation requirements for the VFQFN package during assembly planning.

RF Transceiver ICS Selection Notes

Select this component when a high pin-count interface is required alongside BLE connectivity. The 32 GPIOs allow direct connection to multiple sensors without additional multiplexers. Consider the 1.2V to 3.6V operating range for battery-powered designs. Evaluate the 56-lead package size against PCB space constraints. Compare memory capacity against other family members if larger storage is needed.

RF Transceiver ICS Part Context

This part belongs to the Qualcomm CSR101x product family designed for Bluetooth Low Energy development. It serves as a System-on-Chip solution combining radio and processing capabilities. The family includes variants with different package sizes and I/O counts. This specific model emphasizes high peripheral availability through its 56-lead form factor. It targets applications requiring extensive digital and analog interfacing options.

RF Transceiver ICS Replacement Considerations

The CSR1010A05-IQQM is a documented alternative within the same family. Verify package differences and memory specifications before substitution. Ensure protocol version compatibility remains consistent across replacements.