CSR8635B04-IQQF-R The Qualcomm CSR8635B04-IQQF-R is an RF transceiver IC with integrated MCU, supporting Bluetooth v4.1. It offers 8dBm output power and -91dBm sensitivity.
Mfr Part #:

CSR8635B04-IQQF-R

Available from 2 distributors
Mfr Name: Qualcomm
Qualcomm
The Qualcomm CSR8635B04-IQQF-R is an RF transceiver IC with integrated MCU, supporting Bluetooth v4.1. It offers 8dBm output power and -91dBm sensitivity.
✓ Total Stock: 10,621 pcs
$ Price Range: $710.26

CSR8635B04-IQQF-R Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
8,100 pcs
8100 pcs On Request 1 On Request On Request 20+ On Request 2026-06-03 12:15:10
Non-Authorised Inventory information
2,521 pcs
2521 pcs On Request 1 On Request On Request 18+ On Request On Request

CSR8635B04-IQQF-R Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
GPIO
Memory Size
Mounting Type
Power
Protocol
RF Family
Sensitivity
Serial Interfaces
Supplier Device Package
Supplier Package
Tape & Reel
Type

CSR8635B04-IQQF-R Description

Short technical summary and product information.

The Qualcomm CSR8635B04-IQQF-R is a highly integrated RF transceiver IC featuring Bluetooth v4.1 connectivity and an embedded MCU. This device is designed for wireless communication applications, offering an output power of 8dBm and a sensitivity of -91dBm.

 

Key electrical specifications include 56KB of RAM, support for multiple serial interfaces such as I²C, I²S, SPI, PCM, UART, and USB, and 22 GPIO pins. The IC is suitable for surface mount applications and comes in a 68-VFQFN exposed pad package, with a supplier package of 68-QFN (8x8).

 

This component is ideal for designs requiring robust Bluetooth communication. Its comprehensive interface options and integrated MCU capabilities allow for flexible system integration in various embedded systems.

CSR8635B04-IQQF-R Quick Information

Product Type: RF Transceiver IC
Canonical Name: CSR8635B04-IQQF-R Bluetooth v4.1 Transceiver + MCU IC
Subcategory: RF Transceiver ICs

CSR8635B04-IQQF-R Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CSR8635B04-IQQF-R Estimated Pricing

Qty Low High
1+ $710.26 $710.26

Estimated market price range - modelled values for guidance only, not live distributor offers.

CSR8635B04-IQQF-R Features

  • Bluetooth v4.1 RF transceiver with MCU.
  • 8dBm output power and -91dBm sensitivity.
  • 56KB RAM for embedded applications.
  • Supports I2C, SPI, UART, and USB interfaces.
  • Surface mount 68-VFQFN exposed pad package.

CSR8635B04-IQQF-R Applications

  • Wireless audio streaming devices.
  • Bluetooth enabled IoT products.
  • Wearable technology applications.
  • Remote control systems.

CSR8635B04-IQQF-R FAQs

7 frequently asked questions generated from this part’s specifications.
What is the RF family and protocol for the CSR8635B04-IQQF-R?

The RF family is Bluetooth and the protocol is Bluetooth v4.1.

What type of component is the CSR8635B04-IQQF-R?

It is a TxRx + MCU component.

How much RAM does the CSR8635B04-IQQF-R have?

It has 56KB RAM.

What is the output power of the CSR8635B04-IQQF-R?

The output power is 8 dBm.

What is the sensitivity of the CSR8635B04-IQQF-R?

The sensitivity is -91 dBm.

Which serial interfaces are supported by the CSR8635B04-IQQF-R?

It supports I²C, I²S, SPI, PCM, UART, and USB.

How many GPIO pins does the CSR8635B04-IQQF-R have?

It has 22 GPIO pins.

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