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CS42438-CMZ 参数 Datasheet PDF下载

CS42438-CMZ图片预览
型号: CS42438-CMZ
PDF下载: 下载PDF文件 查看货源
内容描述: 108分贝192千赫6英寸,8出TDM CODEC [108 dB, 192 kHz 6-in, 8-out TDM CODEC]
分类和应用: 消费电路商用集成电路
文件页数/大小: 64 页 / 1066 K
品牌: CIRRUS [ CIRRUS LOGIC ]
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CS42438
108 dB, 192 kHz 6-in, 8-out TDM CODEC
FEATURES
Six 24-bit A/D, Eight 24-bit D/A Converters
ADC Dynamic Range
– 105 dB Differential
– 102 dB Single-ended
DAC Dynamic Range
– 108 dB Differential
– 105 dB Single-ended
ADC/DAC THD+N
– -98 dB Differential
– -95 dB Single-ended
Compatible with Industry-standard Time
Division Multiplexed (TDM) Serial Interface
DAC Sampling Rates up to 192 kHz
ADC Sampling Rates up to 96 kHz
Programmable ADC High-pass Filter for DC
Offset Calibration
Logarithmic Digital Volume Control
Hardware Mode or Software I²C & SPI
Supports Logic Levels Between 5 V and
1.8 V
GENERAL DESCRIPTION
The CS42438 CODEC provides six multi-bit analog-to-digi-
tal and eight multi-bit digital-to-analog Delta-sigma
converters. The CODEC is capable of operation with either
differential or single-ended inputs and outputs, in a
52
-pin
M
QFP package.
Six fully differential, or single-ended, inputs are available on
stereo ADC1, ADC2, and ADC3. When operating in Single-
ended Mode, an internal MUX before ADC3 allows selec-
tion from up to four single-ended inputs. Digital volume
control is provided for each ADC channel, with selectable
overflow detection.
All eight DAC channels provide digital volume control and
can operate with differential or single-ended outputs.
An auxiliary serial input is available for an additional two
channels of PCM data.
The CS42438 is ideal for audio systems requiring wide dy-
namic range, negligible distortion and low noise, such as
A/V receivers, DVD receivers, and automotive audio
systems.
ORDERING INFORMATION
.
Control Port & Serial
Audio Port Supply =
1.8 V to 5 V
Digital Supply =
3.3 V
Analog Supply =
3.3 V to 5 V
Level Translator
Hardware Mode or
I
2
C/SPI Software Mode
Control Data
Register
Configuration
Internal Voltage
Reference
Reset
Level Translator
TDM Serial Audio
Input
Auxilliary Serial
Audio Input
Input Master
Clock
TDM Serial Audio
Output
Volume
Controls
TDM Serial
Interface
Digital
Filters
∆Σ
Modulators
Multibit
DAC1-4 and
Analog Filters
8
8
Differential or
Single-Ended
Outputs
High Pass
Filter
High Pass
Filter
Digital
Filters
Digital
Filters
Multibit
Oversampling
ADC1&2
Multibit
Oversampling
ADC3
4:2*
4
4
Differential or
Single-Ended
Analog Inputs
2
2
*Optional MUX allows selection from up to 4 single-ended inputs.
Preliminary Product Information
Cirrus Logic, Inc.
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright
©
Cirrus Logic, Inc. 2005
(All Rights Reserved)
FEB ‘05
DS646PP2