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Cirrus Logic - (CDB5343 / CDB5344) Multi-Bit Audio A/D Converter

Numéro de référence CDB5344
Description (CDB5343 / CDB5344) Multi-Bit Audio A/D Converter
Fabricant Cirrus Logic 
Logo Cirrus Logic 





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CDB5344 fiche technique
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CS5343/4
98 dB, 96 kHz, Multi-Bit Audio A/D Converter
Features
! Advanced Multi-Bit ∆Σ Architecture
! 24-bit Conversion
! Supports Audio Sample Rates Up to 108 kHz
! 98 dB Dynamic Range at 5 V
! -90 dB THD+N
! Low-Latency Digital Filter
! High-Pass Filter to Remove DC Offsets
! Single +3.3 V or +5 V Power Supply
! Power Consumption Less Than 50 mW
! Master or Slave Operation
! Slave Mode Speed Auto-Detect
! Master Mode Default Settings
! 256x or 384x MCLK/LRCK Ratio
! CS5343 Supports I²S Audio Format
! CS5344 Supports Left-Justified Audio Format
General Description
The CS5343/4 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 108 kHz per channel.
The CS5343/4 uses a 3rd-order, multi-bit Delta-Sigma
modulator followed by a digital filter, which removes the
need for an external anti-alias filter.
The CS5343/4 also features a high-impedance sam-
pling network which eliminates costly external
components such as op-amps.
The CS5343/4 is available in a 10-pin TSSOP package
for both Commercial (-10° to +70° C) and Automotive
grades (-40° to +85° C). The CDB5343 Customer Dem-
onstration Board is also available for device evaluation
and implementation suggestions. Please refer to the
“Ordering Information” on page 21 for complete details.
The CS5343/4 is ideal for audio systems requiring wide
dynamic range, negligible distortion and low noise, such
as set-top boxes, DVD-karaoke players, DVD record-
ers, A/V receivers, and automotive applications.
VA
3.3 V to 5 V
Single-Ended
Analog Input
High-Z
AINL Sampling
Network
FILT+
Internal
Reference
VQ Voltages
High-Pass
Filter
Low-Latency
Digital Filters
Auto-detect
MCLK Divider
Slave Mode
Auto-detect
Master
Clock
SCLK
LRCK
Single-Ended
Analog Input
High-Z
AINR Sampling
Network
High-Pass
Filter
Low-Latency
Digital Filters
SDOUT
Advance Product Information
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. 2006
(All Rights Reserved)
AUGUST '06
DS687A4

PagesPages 21
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