CSR8645 Datasheet – Stereo ROM Solution – CSR

Part Number: CSR8645, CSR8645A03‑IBBC‑R

Function: Stereo ROM Solution with aptX

Package: VFBGA 68-ball Type

Manufacturer: Cambridge Silicon Radio Limited ( www.csr.com )

Image:

CSR8645 image

Features

  1. 80MHz RISCMCU and 80MIPS Kalimba DSP
  2. Internal ROM, serial flash memory and EEPROM interfaces
  3. Stereocodec with 2 microphone inputs
  4. Radio includes integrated balun
  5. 5-band fully configurable EQ
    CSR’s latest CVC technology for narrowband and wideband voice connections including wind noise reduction
  6. Wideband speech supported by HFP v1.6 profile and mSBCcodec

CSR8645 block diagram

Description

BlueCore CSR8645 is a product from CSR’s ConnectivityCentre. It is a single-chip radio and baseband IC for Bluetooth 2.4GHz systems including basic rate, EDR to 3Mbps and Bluetooth low energy. The integrated peripherals reduce the number of external components required, including no requirement for external codec, battery charger, SMPS, LDOs,balunor externalprogrammemory, ensuring minimum production costs.The battery charger architecture enables the CSR8645BGA to independently operate from the charger supply, ensuring dependable operation for all battery conditions.

 

Official Homepage: https://www.qualcomm.com/products/application/audio/csr8645

CSR8645 Datasheet PDF Download

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NJM2035D Datasheet PDF – Stereo Modulator, JRC

Part Number: NJM2035D

Function: Stereo Modulator

Package: DIP 14, DMP 14 Type

Manufacturer: Japan Radio Corporation

Image:

NJM2035D datasheet

 

Description

The NJM2035D is an integrated circuit used to generate a stereo composite signal and obtain switching output and 19kHz pilot signal due to two input audio signal and 38kHz X-tal and a few external CR. The NJM2035 operates at 1.5V battery typically and even at 1.2V obtains separation more than 25dB.

Blockdiagram and Pinouts:

components

Features

1. Low Operating Voltage

2. Low Operating Current

3. High separation

NJM2035D Datasheet PDF Download


NJM2035D pdf

Other data sheets are available within the file: NJM2035, NJM2035M, NJM2035M-T1, NJM2035M-T2

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