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參數資料
| 型號： | CS42888-DQZR |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | 編解碼器 |
| 英文描述： | 108 dB, 192 kHz 4-In, 8-Out CODEC |
| 中文描述： | PCM CODEC, PQFP64 |
| 封裝： | LEAD FREE, MS-026, LQFP-64 |
| 文件頁數： | 1/61頁 |
| 文件大小： | 963K |
| 代理商： | CS42888-DQZR |
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Copyright
Cirrus Logic, Inc. 2006
(All Rights Reserved)
http://www.cirrus.com
AUGUST '06
DS717F1
108 dB, 192 kHz 4-In, 8-Out CODEC
FEATURES
Four 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 CS42888 CODEC provides
four
multi-bit analog-to-
digital and eight multi-bit digital-to-analog delta-sigma
converters. The CODEC is capable of operation with ei-
ther differential or single-ended inputs and outputs, in a
64-pin LQFP package.
Four
fully differential, or single-ended, inputs are avail-
able on stereo ADC1 and ADC
2
. Digital volume control
is provided for each ADC channel, with selectable over-
flow 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 CS42888 is available in a 64-pin LQFP package in
Commercial (-10° to +70°) and Automotive (-40° to
+105°) grades. The CDB42888 Customer Demonstra-
tion board is also available for device evaluation and
implementation suggestions. Please refer to
“Ordering
Information” on page 61
for complete ordering
information.
The CS42888 is ideal for audio systems requiring wide
dynamic range, negligible distortion and low noise, such
as A/V receivers, DVD receivers, and automotive audio
systems.
Control Port & Serial
Audio Port Supply =
1.8 V to 5 V
Mute
Control
External
Mute Control
Register
Configuration
Internal Voltage
Reference
Reset
P
I
L
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
High Pass
Filter
Differential or Single-
Ended Analog Inputs
2
Digital
Filters
2
Multibit
Oversampling
ADC2
High Pass
Filter
2
Digital
Filters
2
Auxilliary Serial
Audio Input
Differential or
Single-Ended
Outputs
Interrupt
ADC Overflow
& Clock Error
Interrupt
L
I
2
C/SPI
Software Mode
Control Data
Volume
Controls
Digital
Filters
8
Multibit
DAC1-4 and
Analog Filters
8
Σ
Modulators
CS42888
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