CSR8635

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CSR8635 Chipset

Single Chip Audio ROM

The CSR8635 QFN single-chip Bluetooth audio ROM device that targets mid-range stereo speakers and headsets.

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CSR8635 specs

Bluetooth

Bluetooth Version

  • Bluetooth 4.1

Bluetooth Technology

  • Bluetooth Low Energy
  • Dual-mode Bluetooth

Maximum Output Power

  • 8dBm transmitter

Bluetooth Radio

  • 50Ω
  • -91bBm receiver sensitivity

Class Support

  • Class 3
  • Class 2
  • Class 1

Bluetooth Profiles

  • AVRCP v1.4
  • DI v1.3
  • HSP v1.2

USB

USB Version

  • USB 2.0

Audio

Audio Technology

  • Qualcomm® cVc™ audio technology

A2DP multipoint support

  • 2 A2DP sources

Equalizer

  • 5-band EQ

DSP

DSP Technology

  • Qualcomm® Kalimba™ DSP

DSP Bit Architecture

  • 24-bit

MCU

MCU Clock Speed

  • 80MHz

Charging

Maximum Current

  • 200 mA on chip

Memory

RAM

  • 56KB RAM

Interface

Supported Interfaces

  • UART
  • PCM
  • I²S
  • SPI
  • I²C

Input/Output

ADC

  • 1 ADC

DAC

  • 1 DAC

Maximum PIOs

  • 20

Package

Package Type

  • QFN

Pitch

  • 0.4mm

Package Size

  • 8 x 8 x 0.9 mm