Datasheet > CDB4245

CDB4245

更新时间： 2022-11-24 21:45:41

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
54页	1171K
描述
105 dB, 24-Bit, 192 kHz Streo Sudio CODEC

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数据手册

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CDB4245 数据手册

CS4245

105 dB, 24-Bit, 192 kHz Stereo Audio CODEC

D/A Features

A/D Features

Multi-bit Delta Sigma modulator

105 dB dynamic range

Multi-bit Delta Sigma modulator

105 dB dynamic range

-95 dB THD+N

Stereo 6:1 Input Multiplexer

Programmable Gain Amplifier (PGA)

– +/- 12 dB gain, 0.5 dB step size

– Zero crossing, click-free transitions

Stereo microphone inputs

– +32 dB gain stage

Up to 192 kHz sampling rates

Single-ended analog architecture

Volume control with soft ramp

– 0.5 dB step size

– Zero crossing click-free transitions

Popguard Technology

– Low noise bias supply

– Minimizes the effects of output transients

Up to 192 kHz sampling rates

Selectable serial audio interface formats

– Left justified up to 24-bit

Filtered line level outputs

Selectable serial audio interface formats

– Left justified up to 24-bit

– I²S up to 24-bit

High pass filter or DC offset calibration

– Right justified 16, 18, 20 and 24-bit

Selectable 50/15 µs de-emphasis

Control Output for External Muting

3.3 V to 5 V

1.8 V to 5 V

Volume

Control

Interpolation

Filter

Multibit

∆Σ Modulator

Switched Capacitor

DAC and Filter

Left DAC Output

Mute Control

Serial

Audio

Input

Mute

Control

Volume

Control

Interpolation

Filter

Multibit

∆Σ Modulator

Switched Capacitor

DAC and Filter

Right DAC Output

I²C/SPI

Control Data

Left Aux Output

Right Aux Output

MUX

Interrupt

Internal Voltage

Reference

ADC Overflow

Stereo Input 1

Stereo Input 2

Stereo Input 3

Reset

Multibit

Oversampling

ADC

High Pass

Filter

Linear Phase

Anti-Alias Filter

PGA

+32 dB

Serial

Audio

Output

MUX

Stereo Input 4 /

Mic Input 1 & 2

Multibit

Oversampling

ADC

+32 dB

High Pass

Filter

Linear Phase

Anti-Alias Filter

Stereo Input 5

Stereo Input 6

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Preliminary Product Information

Cirrus Logic, Inc.

www.cirrus.com

AUG ‘04

DS656PP1

12 3 4 5 6 7...54

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