CS4207-DNZ datasheet(2/144 Pages) CIRRUS

Nome de Peças	CS4207-DNZ

Descrição Electrónicos	Low-power, 4-in / 6-out HD Audio CODEC with Headphone Amp

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Fabricante Electrônico	CIRRUS [Cirrus Logic]

Página de início	http://www.cirrus.com

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DS880F1

CS4207

Digital Audio Interface Receiver

 Complete EIAJ CP1201, IEC-60958, S/PDIF

Compatible Receiver

 32 kHz to 192 kHz Sample Rate Range

 Automatic Detection of Compressed Audio

Streams

 Integrated Sample Rate Converter

–

128 dB Dynamic Range

–

-120 dB THD+N

–

Supports Sample Rates up to 192 kHz

–

1:1 Input/Output Sample Rate Ratios

Digital Audio Interface Transmitters

 Two Independent EIAJ CP1201, IEC-60958,

S/PDIF Compatible Transmitters

 32 kHz to 192 kHz Sample Rate Range

System Features

 Very Low D3 Power Dissipation of <7 mW

–

Jack Detect Active in D3

–

HDA Bus BITCLK not required for D3 State

 Jack Detect Does not Require HDA Bus

BITCLK

 All Configuration Settings are Preserved in D3

State

 Pop/Click Suppression in State Transitions

 Detects Wake Event and Generates Power

State Change Request when HDA Bus

Controller is in D3

 Variable Power Supplies

–

1.5 V to 1.8 V Digital Core Voltage

–

3.3 V to 5.0 V Analog Core Voltage

–

3.3 V to 5.0 V Headphone Drivers

–

1.5 V to 3.3 V HD Bus Interface Logic

–

3.3 V Interface Logic levels for GPIO,

S/PDIF, and Digital Mic.

 Individual Power-down Managed

–

ADCs, DACs, PGAs, Headphone Driver,

S/PDIF Receiver, and Transmitters

General Description

The CS4207 is a highly integrated multi-channel low-

power HD Audio CODEC featuring 192 kHz DACs,

96 kHz ADCs, 192 kHz S/PDIF Transmitters and Re-

ceiver, Microphone pre-amp and bias voltage, and a

ground centered Headphone driver. Based on multi-bit,

delta-sigma modulation, it allows infinite sample rate

adjustment between 32 kHz and 192 kHz.

The ADC input path allows control of a number of fea-

tures. The microphone input path includes a selectable

programmable-gain pre-amplifier stage and a low-noise

MIC bias voltage supply. A PGA is available for line and

microphone inputs and provides analog gain with soft

ramp and zero cross transitions. The ADC also features

an additional digital volume attenuator with soft ramp

transitions.

The stereo headphone amplifier is powered from a sep-

arate internally generated positive supply, with an

integrated charge pump providing a negative supply.

This allows a ground-centered analog output with a

wide signal swing and eliminates external DC-blocking

capacitors.

The integrated digital audio interface receiver and trans-

mitters utilize a 24-bit, high-performance, monolithic

CMOS stereo asynchronous sample rate converter to

clock align the PCM samples to/from the S/PDIF inter-

faces. Auto detection of non-PCM encoded data

disables the sample rate conversion to preserve bit ac-

curacy of the data.

In addition to its many features, the CS4207 operates

from a low-voltage analog and digital core, making this

part ideal for portable systems that require low power

consumption in a minimal amount of space.

The CS4207 is available in a 48-pin WQFN package in

both Automotive (-40°C to +105°C) and Commercial (-

40°C to +85°C) grades. The CS4207 Customer Demon-

stration board is also available for device evaluation and

implementation suggestions. Please refer to “Ordering

Information”

on

p 142

for

complete

ordering

information.

Nº de peça semelhante - CS4207-DNZ

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Descrição semelhante - CS4207-DNZ

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NXP Semiconductors	SGTL5000	3Mb / 68P	Low Power Stereo Codec with Headphone Amp Rev. 6.0, 11/2013
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