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CS42448 Arkusz danych(PDF) 1 Page - Cirrus Logic

Numer części CS42448
Szczegółowy opis  108 dB, 192 kHz 6-in, 8-out CODEC
Download  70 Pages
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Producent  CIRRUS [Cirrus Logic]
Strona internetowa  http://www.cirrus.com
Logo CIRRUS - Cirrus Logic

CS42448 Arkusz danych(HTML) 1 Page - Cirrus Logic

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Preliminary Product Information
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)
Cirrus Logic, Inc.
http://www.cirrus.com
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
System Sampling Rates up to 192 kHz
Programmable ADC High-pass Filter for DC
Offset Calibration
Logarithmic Digital Volume Control
I²C & SPI
Host Control Port
Supports Logic Levels Between 5 V and
1.8 V
Popguard
® Technology
GENERAL DESCRIPTION
The CS42448 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 64-pin
LQFP 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 CS42448 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
See page 67
.
Control Port & Serial
Audio Port Supply =
1.8 V to 5 V
Mute
Control
External
Mute Control
Register
Configuration
Internal Voltage
Reference
Reset
Serial Audio
Input
Digital Supply =
3.3 V to 5 V
Analog Supply =
3.3 V to 5 V
Input Master
Clock
Serial Audio
Output
Multibit
Oversampling
ADC1&2
High Pass
Filter
Differential or
Single-Ended
Analog Inputs
4
Digital
Filters
4
*Optional MUX allows selection from up to 4 single-ended inputs.
Multibit
Oversampling
ADC3
High Pass
Filter
2
Digital
Filters
2
Auxilliary Serial
Audio Input
Volume
Controls
Differential or
Single-Ended
Outputs
Digital
Filters
8
Multibit
DAC1-4 and
Analog Filters
8
∆Σ
Modulators
Interrupt
ADC Overflow
& Clock Error
Interrupt
I2C/SPI
Software Mode
Control Data
CS42448
FEB ‘05
DS648PP2
108 dB, 192 kHz 6-in, 8-out CODEC


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