CS4340 datasheet, PDF - EEWORLD Datasheet

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CS4340: Description24-bit, 96 khz stereo dac for audio; Categoryaccessories; File Size671KB，28 Pages; ManufacturerCirrus Logic; Websitehttp://www.cirrus.com; Environmental Compliance

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CS4340 Overview

24-bit, 96 khz stereo dac for audio

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CS4340

24-Bit, 96 kHz Stereo DAC for Audio

Features

Complete Stereo DAC System: Interpolation,

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.

D/A, Output Analog Filtering

101 dB Dynamic Range

91 dB THD+N

Low Clock Jitter Sensitivity

+3 V to +5 V Power Supply

Filtered Line Level Outputs

On-Chip Digital De-emphasis for 32, 44.1,

and 48 kHz

30 mW with 3 V supply

Popguard

Technology for Control of Clicks

and Pops

ORDERING INFORMATION

CS4340-KS

16-pin SOIC, -10 to 70 °C

CS4340-BS

16-pin SOIC, -40 to 85 °C

CDB4340

Evaluation Board

SCLK/DEM1

RST

DEM0

MUTEC

External

Mute Control

∆Σ

DAC

Analog Filter

AOUTL

De-emphasis

Interpolation

Filter

Interpolation

Filter

LRCK

SDATA

Serial

Input

Interface

∆Σ

DAC

Analog Filter

AOUTR

DIF0 DIF1

MCLK

Preliminary Product Information

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

This document contains information for a new product.

Cirrus Logic reserves the right to modify this product without notice.

Cirrus Logic, Inc. 2000

NOV ‘00

DS297PP3

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 may be 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.

DS297PP3

CS4340

LIST OF FIGURES

Figure 1. External Serial Mode Input Timing ............................................................. 11

Figure 2. Internal Serial Mode Input Timing .............................................................. 11

Figure 3. Internal Serial Clock Generation ................................................................ 11

Figure 4. Typical Connection Diagram ...................................................................... 12

Figure 5. Base-Rate Stopband Rejection .................................................................. 17

Figure 6. Base-Rate Transition Band ........................................................................ 17

Figure 7. Base-Rate Transition Band (Detail)............................................................ 17

Figure 8. Base-Rate Passband Ripple ...................................................................... 17

Figure 9. High-Rate Stopband Rejection ................................................................... 17

Figure 10. High-Rate Transition Band ....................................................................... 17

Figure 11. High-Rate Transition Band (Detail) .......................................................... 18

Figure 12. High-Rate Passband Ripple ..................................................................... 18

Figure 13. Output Test Load...................................................................................... 18

Figure 14. Maximum Loading .................................................................................... 18

Figure 15. Power vs. Sample Rate (VA = 5V) ........................................................... 18

Figure 16. CS4340 Format 0 (I

S)............................................................................. 19

Figure 17. CS4340 Format 1 ..................................................................................... 19

Figure 18. CS4340 Format 2 ..................................................................................... 20

Figure 19. CS4340 Format 3 ..................................................................................... 20

Figure 20. De-Emphasis Curve ................................................................................. 21

Figure 21. FFT 0 dB input, BRM, VA = 3V ................................................................ 22

Figure 22. FFT -60 dB input, BRM, VA = 3V ............................................................. 22

Figure 23. FFT Idle Noise, BRM, VA = 3V................................................................. 22

Figure 24. Fade-to-Noise Linearity, BRM, VA = 3V................................................... 22

Figure 25. THDN vs Ampl, BRM, VA = 3V ................................................................ 22

Figure 26. THDN vs Freq, BRM, VA = 3V ................................................................. 22

Figure 27. FFT 0 dB input, BRM, VA = 5V ................................................................ 23

Figure 28. FFT -60 dB input, BRM, VA = 5V ............................................................. 23

Figure 29. FFT Idle Noise, BRM, VA = 5V................................................................. 23

Figure 30. Fade-to-Noise Linearity, BRM, VA = 5V................................................... 23

Figure 31. THDN vs Ampl, BRM, VA = 5V ................................................................ 23

Figure 32. THDN vs Freq, BRM, VA = 5V ................................................................. 23

Figure 33. FFT 0 dB input, HRM, VA = 3V ................................................................ 24

Figure 34. FFT -60 dB input, HRM, VA = 3V ............................................................. 24

Figure 35. FFT Idle Noise, HRM, VA = 3V ................................................................ 24

Figure 36. Fade-to-Noise Linearity, HRM, VA = 3V................................................... 24

Figure 37. THDN vs Ampl, HRM, VA = 3V ................................................................ 24

Figure 38. THDN vs Freq, HRM, VA = 3V ................................................................. 24

Figure 39. FFT 0 dB input, HRM, VA = 5V ................................................................ 25

Figure 40. FFT -60 dB input, HRM, VA = 5V ............................................................. 25

Figure 41. FFT Idle Noise, HRM, VA = 5V ................................................................ 25

Figure 42. Fade-to-Noise Linearity, HRM, VA = 5V................................................... 25

Figure 43. THDN vs Ampl, HRM, VA = 5V ................................................................ 25

Figure 44. THDN vs Freq, HRM, VA = 5V ................................................................. 25

DS297PP3

CS4340 Related Products

	CS4340	CS4340-BS
Description	24-bit, 96 khz stereo dac for audio	24-bit, 96 khz stereo dac for audio

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