Cirrus-logic CS5341 Bedienungsanleitung PDF herunterladen

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105 dB, 192 kHz, Multi-Bit Audio A/D Converter

Features

 Advanced Multi-bit Delta-Sigma Architecture

 24-bit Conversion

 Supports All Audio Sample Rates Including

192 kHz

 105 dB Dynamic Range at 5 V

 -98 dB THD+N

 90 mW Power Consumption

 High-Pass Filter to Remove DC Offsets

 Analog/Digital Core Supplies from 3.3 V to 5 V

 Supports Logic Levels between 1.8 V and 5 V

 Auto-Detect Mode Selection in Slave Mode

 Auto-Detect MCLK Divider

General Description

The CS5341 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 200 kHz per channel.

The CS5341 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 CS5341 is available in a 16-pin TSSOP package

for Commercial (-10° to +70° C) and Automotive grades

(-40° to +85° C). The CDB5341 Customer Demonstra-

tion Board is also available for device evaluation and

implementation suggestions. Please refer to “Ordering

Information” on page 22 for complete ordering

information.

The CS5341 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.

High-Pass

Filter

Low-Latency

Digital Filters

High-Pass

Filter

Serial Port

3.3 V to 5 V

Internal

Reference

Voltages

Switch-Cap

ADC

3.3 V to 5 V

1.8 V to 5 V

Auto-detect

MCLK Divider

Slave Mode

Auto-detect

Master Clock

Reset

Single-Ended

Analog Input

Low-Latency

Digital Filters

Switch-Cap

ADC

Mode

Configuration

Single-Ended

Analog Input

SCLK

LRCK

SDOUT

FILT+

AINR

AINL

March '08

DS564F2

Confidential Draft

3/11/08

CS5341

1 2 3 4 5 6 ... 21 22

Inhaltsverzeichnis

Seite 1 - Confidential Draft

Seite 2

10 DS564F2CS5341Confidential Draft3/11/08DC ELECTRICAL CHARACTERISTICS(GND = 0 V, all voltages with respect to 0 V. MCLK=12.288 MHz; Master Mode)9. Po

Seite 3

DS564F2 11CS5341Confidential Draft3/11/08SWITCHING CHARACTERISTICS - SERIAL AUDIO PORT(Logic "0" = GND = 0 V; Logic "1" = VL, CL =

Seite 4

12 DS564F2CS5341Confidential Draft3/11/08 SCLK outputtmslrSDOUTtsdoLRCK outputMSB MSB-1Figure 13. Master Mode, Left-Justified SAI Fi

Seite 5

DS564F2 13CS5341Confidential Draft3/11/082. PIN DESCRIPTION Pin Name # Pin DescriptionM0M1116Mode Selection (Input) - Determines the operational

Seite 6

14 DS564F2CS5341Confidential Draft3/11/083. TYPICAL CONNECTION DIAGRAMFILT+V0.1µFA/D CONVERTERSCLKCS5341MCLKVQ1µF+RSTVAL1µF1.8 V to 5V1µF++SDOUTGNDLRC

Seite 7

DS564F2 15CS5341Confidential Draft3/11/084. APPLICATIONS4.1 Single-, Double-, and Quad-Speed ModesThe CS5341 can support output sample rates from 2 kH

Seite 8

16 DS564F2CS5341Confidential Draft3/11/084.2.1 Operation as a Clock MasterAs a clock master, LRCK and SCLK operate as outputs. The left/right and seri

Seite 9

DS564F2 17CS5341Confidential Draft3/11/084.2.3 Master Clock The CS5341 requires a Master clock (MCLK) which runs the internal sampling circuits and di

Seite 10 - DIGITAL CHARACTERISTICS

18 DS564F2CS5341Confidential Draft3/11/084.4 Power-Up SequenceReliable power-up can be accomplished by keeping the device in reset until the power sup

Seite 11

DS564F2 19CS5341Confidential Draft3/11/084.8 Capacitor Size on the Reference Pin (FILT+)The CS5341 requires an external capacitance on the internal re

Seite 12

2 DS564F2CS5341Confidential Draft3/11/08TABLE OF CONTENTS1. CHARACTERISTICS AND SPECIFICATIONS ...

Seite 13 - 2. PIN DESCRIPTION

20 DS564F2CS5341Confidential Draft3/11/085. PARAMETER DEFINITIONSDynamic RangeThe ratio of the rms value of the signal to the rms sum of all other spe

Seite 14 - 3. TYPICAL CONNECTION DIAGRAM

DS564F2 21CS5341Confidential Draft3/11/086. PACKAGE DIMENSIONS 1. “D” and “E1” are reference datums and do not included mold flash or protrusions, but

Seite 15 - 4. APPLICATIONS

22 DS564F2CS5341Confidential Draft3/11/087. ORDERING INFORMATION8. REVISION HISTORYProduct Description Package Pb-Free Grade Temp Range Container Orde

Seite 16

DS564F2 3CS5341Confidential Draft3/11/08LIST OF FIGURESFigure 1.Single-Speed Mode Stopband Rejection ...

Seite 17

4 DS564F2CS5341Confidential Draft3/11/081. CHARACTERISTICS AND SPECIFICATIONS(All Min/Max characteristics and specifications are guaranteed over the S

Seite 18

DS564F2 5CS5341Confidential Draft3/11/08ANALOG CHARACTERISTICS - COMMERCIAL GRADETest Conditions (unless otherwise specified): Input test signal is a

Seite 19

6 DS564F2CS5341Confidential Draft3/11/08ANALOG CHARACTERISTICS - AUTOMOTIVE GRADETest Conditions (unless otherwise specified): Input test signal is a

Seite 20 - 5. PARAMETER DEFINITIONS

DS564F2 7CS5341Confidential Draft3/11/08DIGITAL FILTER CHARACTERISTICS 7. Filter characteristics scale precisely with Fs8. Response shown is for Fs

Seite 21

8 DS564F2CS5341Confidential Draft3/11/08Figure 1. Single-Speed Mode Stopband Rejection Figure 2. Single-Speed Mode Stopband RejectionFigure 3. Sing

Seite 22 - 8. REVISION HISTORY

DS564F2 9CS5341Confidential Draft3/11/08Figure 7. Double-Speed Mode Transition Band (Detail) Figure 8. Double-Speed Mode Passband RippleFigure 9. Q

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