CS42426 Datasheet, PDF (1/67 Pages) Cirrus Logic – 114 dB, 192kHz 6-Ch CODEC WITH PLL

CS42426
114 dB, 192 kHz 6-Ch Codec with PLL
Features
Six 24-bit D/A, two 24-bit A/D converters
114 dB DAC / 114 dB ADC dynamic range
-100 dB THD+N
System sampling rates up to 192 kHz
Integrated low-jitter PLL for increased system
jitter tolerance
PLL clock or OMCK system clock selection
7 configurable general purpose outputs
ADC high pass filter for DC offset calibration
Expandable ADC channels and one-line
mode support
Digital output volume control with soft ramp
Digital +/-15 dB input gain adjust for ADC
Differential analog architecture
Supports logic levels between 5 V and 1.8 V
General Description
The CS42426 CODEC provides two analog-to-digital and six
digital-to-analog Delta-Sigma converters, as well as an inte-
grated PLL, in a 64-pin LQFP package.
The CS42426 integrated PLL provides a low-jitter system
clock. The internal stereo ADC is capable of independent chan-
nel gain control for single-ended or differential analog inputs.
All six channels of DAC provide digital volume control and dif-
ferential analog outputs. The general purpose outputs may be
driven high or low, or mapped to a variety of DAC mute controls
or ADC overflow indicators.
The CS42426 is ideal for audio systems requiring wide
dynamic range, negligible distortion and low noise, such as A/V
receivers, DVD receivers, digital speaker and automotive audio
systems.
ORDERING INFORMATION
CS42426-CQZ -10° to 70° C
CS42426-DQZ -40° to 85° C
CDB42428
Evaluation Board
64-pin LQFP
64-pin LQFP
GPO1
GPO2
GPO3
GPO4
GPO5
GPO6
GPO7
MUTEC
AINL+
AINL-
AINR+
AINR-
AOUTA1+
AOUTA1-
AOUTB1+
AOUTB1-
AOUTA2+
AOUTA2-
AOUTB2+
AOUTB2-
AOUTA3+
AOUTA3-
AOUTB3+
AOUTB3-
VA AGND
GPO
ADC#1
ADC#2
REFGND VQ FILT+ OMCK
RMCK LPFLT VLC DGND VD
Mute
Internal Voltage
Reference
Mult/Div
PLL
Control
Port
INT
RST
AD0/CS
AD1/CDIN
SDA/CDOUT
SCL/CCLK
Digital Filter
Digital Filter
DAC#1
DAC#2
DAC#3
DAC#4
DAC#5
DAC#6
Gain & Clip
Gain & Clip
ADC
Serial
Audio
Port
ADCIN1
ADCIN2
ADC_SDOUT
ADC_LRCK
ADC_SCLK
VLS
DAC_LRCK
DAC_SCLK
DAC_SDIN1
DAC_SDIN2
DAC_SDIN3
Advance Product Information
Cirrus Logic, Inc.
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. 2004
(All Rights Reserved)
JUL ‘04
DS604A2
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