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Cirrus Logic - Multi-Bit Audio A/D Converter

Numéro de référence CDB5381
Description Multi-Bit Audio A/D Converter
Fabricant Cirrus Logic 
Logo Cirrus Logic 





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CDB5381 fiche technique
CS5381
120 dB, 192 kHz, Multi-Bit Audio A/D Converter
Features
! Advanced Multi-bit Delta-Sigma Architecture
! 24-bit Conversion
! 120 dB Dynamic Range
! -110 dB THD+N
! Supports All Audio Sample Rates Including
192 kHz
! 260 mW Power Consumption
! High-Pass Filter or DC Offset Calibration
! Supports Logic Levels between 5 and 2.5 V
! Differential Analog Architecture
! Low-Latency Digital Filtering
! Overflow Detection
! Pin-Compatible with the CS5361
General Description
The CS5381 is a complete analog-to-digital converter
for digital audio systems. It performs sampling, analog-
to-digital conversion, and anti-alias filtering - generating
24-bit values for both left and right inputs in serial form
at sample rates up to 216 kHz per channel.
The CS5381 uses a 5th-order, multi-bit delta-sigma
modulator followed by digital filtering and decimation,
which removes the need for an external anti-alias filter.
The ADC uses a differential architecture which provides
excellent noise rejection.
The CS5381 is available in 24-pin TSSOP and SOIC
packages for Commercial grade (-10° to +70° C). The
CDB5381 Customer Demonstration board is also avail-
able for device evaluation and implementation
suggestions. Please refer to the “Ordering Information”
on page 22.
The CS5381 is ideal for audio systems requiring wide
dynamic range, negligible distortion, and low noise -
such as A/V receivers, DVD-R, CD-R, digital mixing
consoles, and effects processors.
Analog Supply
5V
Digital Supply
3.3 V to 5 V
Interface Supply
2.5 V to 5 V
Differential
Inputs
Differential
Inputs
Internal Voltage
Reference
Switch-Cap
ADC
Switch-Cap
ADC
Digital
Filters
Digital
Filters
Reset
Mode
Configuration
HPF
OVFL
PCM Serial
Audio Output
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
JULY '05
DS563F2

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