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Cirrus Logic

CS4340 Datasheet Preview

CS4340 Datasheet

24-Bit / 96 kHz Stereo DAC

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CS4340
24-Bit, 96 kHz Stereo DAC for Audio
Features
l Complete Stereo DAC System: Interpolation,
D/A, Output Analog Filtering
l 101 dB Dynamic Range
l 91 dB THD+N
l Low Clock Jitter Sensitivity
l +3 V to +5 V Power Supply
l Filtered Line Level Outputs
l On-Chip Digital De-emphasis for 32, 44.1,
and 48 kHz
l 30 mW with 3 V supply
l Popguard® Technology for Control of Clicks
and Pops
Description
The CS4340 is a complete stereo digital-to-analog sys-
tem including digital interpolation, fourth-order delta-
sigma digital-to-analog conversion, digital de-emphasis
and switched capacitor analog filtering. The advantages
of this architecture include: ideal differential linearity, no
distortion mechanisms due to resistor matching errors,
no linearity drift over time and temperature and a high
tolerance to clock jitter.
The CS4340 accepts data at audio sample rates from
2 kHz to 100 kHz, consumes very little power, and oper-
ates over a wide power supply range. The features of the
CS4340 are ideal for DVD players, CD players, set-top
box and automotive systems.
ORDERING INFORMATION
CS4340-KS
16-pin SOIC, -10 to 70 °C
CS4340-BS
16-pin SOIC, -40 to 85 °C
CDB4340
Evaluation Board
I
SCLK/DEM1
RST
LRCK
SDATA
Serial
Input
Interface
DEM0
MUTEC
De-emphasis
Interpolation
Filter
External
Mute Control
∆Σ DAC
Analog Filter
Interpolation
Filter
∆Σ DAC
Analog Filter
AOUTL
AOUTR
DIF0 DIF1
MCLK
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2000
(All Rights Reserved)
NOV ‘00
DS297PP3
1




Cirrus Logic

CS4340 Datasheet Preview

CS4340 Datasheet

24-Bit / 96 kHz Stereo DAC

No Preview Available !

CS4340
TABLE OF CONTENT
1. CHARACTERISTICS AND SPECIFICATIONS .............................................. 5
ANALOG CHARACTERISTICS................................................................... 5
ANALOG CHARACTERISTICS................................................................... 6
ANALOG CHARACTERISTICS................................................................... 7
POWER AND THERMAL CHARACTERISTICS ......................................... 8
DIGITAL CHARACTERISTICS.................................................................... 8
RECOMMENDED OPERATING CONDITIONS .......................................... 9
SWITCHING CHARACTERISTICS ........................................................... 10
2. TYPICAL CONNECTION DIAGRAM ............................................................ 12
3. PIN DESCRIPTION ....................................................................................... 13
4. APPLICATIONS ............................................................................................ 16
4.1 Grounding and Power Supply Decoupling ......................................... 16
4.2 Oversampling Modes ......................................................................... 16
4.3 Recommended Power-up Sequence ................................................. 16
4.4 Popguard® Transient Control ............................................................ 16
5. INTERPOLATION FILTER RESPONSE PLOTS
.............................. 17
6. DIGITAL INTERFACE FORMATS
............................................. 19
7. ANALOG PERFORMANCE PLOTS ............................................................. 21
8. PARAMETER DEFINITIONS ........................................................................ 26
Total Harmonic Distortion + Noise (THD+N) ............................................. 26
Dynamic Range ......................................................................................... 26
Interchannel Isolation................................................................................. 26
Interchannel Gain Mismatch ...................................................................... 26
Gain Error .................................................................................................. 26
Gain Drift.................................................................................................... 26
9. REFERENCES .............................................................................................. 26
10. PACKAGE DIMENSIONS ........................................................................... 27
Contacting Cirrus Logic Support
For a complete listing of Direct Sales, Distributor, and Sales Representative contacts, visit the Cirrus Logic web site at:
http://www.cirrus.com/corporate/contacts/
Preliminary product information describes products which are in production, but for which full characterization data is not yet available. Advance product infor-
mation describes products which are in development and subject to development changes. Cirrus Logic, Inc. has made best efforts to ensure that the information
contained in this document is accurate and reliable. However, the information is subject to change without notice and is provided “AS IS” without warranty of
any kind (express or implied). No responsibility is assumed by Cirrus Logic, Inc. for the use of this information, nor for infringements of patents or other rights
of third parties. This document is the property of Cirrus Logic, Inc. and implies no license under patents, copyrights, trademarks, or trade secrets. No part of
this publication may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical, photographic, or
otherwise) without the prior written consent of Cirrus Logic, Inc. Items from any Cirrus Logic website or disk may be printed for use by the user. However, no
part of the printout or electronic files may be copied, reproduced, stored in a retrieval system, or transmitted, in any form or by any means (electronic, mechanical,
photographic, or otherwise) without the prior written consent of Cirrus Logic, Inc.Furthermore, no part of this publication maybe used as a basis for manufacture
or sale of any items without the prior written consent of Cirrus Logic, Inc. The names of products of Cirrus Logic, Inc. or other vendors and suppliers appearing
in this document may be trademarks or service marks of their respective owners which may be registered in some jurisdictions. A list of Cirrus Logic, Inc. trade-
marks and service marks can be found at http://www.cirrus.com.
2 DS297PP3


Part Number CS4340
Description 24-Bit / 96 kHz Stereo DAC
Maker Cirrus Logic
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CS4340 Datasheet PDF






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