CS4361 datasheet, PDF - EEWORLD Datasheet

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CS4361: Description20-pin, 24-bit, 192 khz, 6-channel D/A converter; Categorysemiconductor Discrete semiconductor; File Size553KB，24 Pages; ManufacturerCirrus Logic; Websitehttp://www.cirrus.com; Environmental Compliance

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CS4361 Overview

20-pin, 24-bit, 192 khz, 6-channel D/A converter

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Confidential Draft

2/12/08

CS4361

20-Pin, 24-Bit, 192 kHz, 6-Channel D/A Converter

Features

Multi-Bit Delta-Sigma Modulator

24-Bit Conversion

Automatically Detects Sample Rates Up To

192 kHz

103 dB Dynamic Range

-94 dB THD+N

Low Clock-Jitter Sensitivity

+5 V Core Power

+1.8 V to +5 V Interface Power

Filtered Line-Level Outputs

On-Chip Digital De-emphasis

Popguard

Technology

Mute Output Control

Small 20-pin TSSOP Package

Description

The CS4361 is a complete 6-channel digital-to-analog

output system including interpolation, multi-bit D/A con-

version, and output analog filtering in a small 20-pin

package. The CS4361 supports all major audio data in-

terface formats.

The CS4361 is based on a fourth-order, multi-bit, delta-

sigma modulator with a linear analog low-pass filter.

This device also includes auto-speed mode detection

using both sample rate and master clock ratio as a

method of auto-selecting sampling rates between 2 kHz

and 216 kHz.

The CS4361 contains on-chip digital de-emphasis, op-

erates from a single +5 V power supply with separate

built-in level shifter for the digital interface, and requires

minimal support circuitry. These features are ideal for

DVD players and recorders, digital televisions, home

theater and set-top box products, and automotive audio

systems.

The CS4361 is available in a 20-pin TSSOP Commer-

cial grade package (-40 to 85° C). The CDB4361 is also

available for device evaluation and implementation sug-

gestions. Please refer to

“Ordering Information” on

page 23

for complete ordering information.

Serial Audio Port & Control

Supply (1.8 V to 5 V)

Analog & Digital Core

Supply (5 V)

Digital

De-emphasis

Mode Control

Level Translator

Internal Voltage

Reference

PCM Serial

Audio Input

Auto-Speed

Detecting PCM

Serial Interface

Digital

Filters

Multi-bit

∆Σ

Modulators

Switch-Cap

DAC and

Analog Filters

Single-Ended

Outputs

(Six Channels

+5 Volt-tolerant Reset

External Mute

Control

Mute Control

http://www.cirrus.com

Cirrus Logic, Inc. 2008

February '08

DS672F1

Confidential Draft

2/12/08

TABLE OF CONTENTS

CS4361

1. PIN DESCRIPTIONS .............................................................................................................................. 4

2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 5

RECOMMENDED OPERATING CONDITIONS .................................................................................... 5

ABSOLUTE MAXIMUM RATINGS ........................................................................................................ 5

DAC ANALOG CHARACTERISTICS - COMMERCIAL (-CZZ) ............................................................. 6

COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ........................................ 7

DIGITAL INPUT CHARACTERISTICS .................................................................................................. 8

POWER & THERMAL CHARACTERISTICS ......................................................................................... 8

SWITCHING CHARACTERISTICS - SERIAL AUDIO INTERFACE ...................................................... 9

3. TYPICAL CONNECTION DIAGRAM ................................................................................................... 11

4. APPLICATIONS ................................................................................................................................... 12

4.1 Master Clock .................................................................................................................................. 12

4.2 Serial Clock .................................................................................................................................... 12

4.2.1 External Serial Clock Mode ................................................................................................... 12

4.2.2 Internal Serial Clock Mode .................................................................................................... 12

4.3 De-Emphasis ................................................................................................................................. 14

4.4 Mode Select ................................................................................................................................... 14

4.5 Initialization and Power-Down ........................................................................................................ 15

4.6 Output Transient Control ................................................................................................................ 16

4.6.1 Power-Up .............................................................................................................................. 16

4.6.2 Power-Down .......................................................................................................................... 16

4.7 Grounding and Power Supply Decoupling ..................................................................................... 16

4.8 Analog Output and Filtering ........................................................................................................... 16

4.9 Mute Control .................................................................................................................................. 17

5. PERFORMANCE PLOTS ..................................................................................................................... 18

6. PARAMETER DEFINITIONS ................................................................................................................ 21

7. PACKAGE INFORMATION .................................................................................................................. 22

8. ORDERING INFORMATION ................................................................................................................ 23

9. REVISION HISTORY ............................................................................................................................ 24

Confidential Draft

2/12/08

LIST OF FIGURES

CS4361

Figure 1.Equivalent Output Test Load ........................................................................................................ 8

Figure 2.Maximum Loading ......................................................................................................................... 8

Figure 3.External Serial Mode Input Timing .............................................................................................. 10

Figure 4.Internal Serial Mode Input Timing ............................................................................................... 10

Figure 5. Internal Serial Clock Generation ................................................................................................ 10

Figure 6.Recommended Connection Diagram .......................................................................................... 11

Figure 7.CS4361 Data Format (I²S) .......................................................................................................... 13

Figure 8.CS4361 Data Format (Left-Justified) .......................................................................................... 13

Figure 9.CS4361 Data Format (Right-Justified 24) ................................................................................... 13

Figure 10.CS4361 Data Format (Right-Justified 16) ................................................................................. 14

Figure 11.De-Emphasis Curve (Fs = 44.1kHz) ......................................................................................... 14

Figure 12.CS4361 Initialization and Power-Down Sequence ................................................................... 15

Figure 13.Suggested Active-Low Mute Circuit .......................................................................................... 17

Figure 14.Single-Speed Stopband Rejection ............................................................................................ 18

Figure 15.Single-Speed Transition Band .................................................................................................. 18

Figure 16.Single-Speed Transition Band .................................................................................................. 18

Figure 17.Single-Speed Passband Ripple ................................................................................................ 18

Figure 18.Double-Speed Stopband Rejection ........................................................................................... 19

Figure 19.Double-Speed Transition Band ................................................................................................. 19

Figure 20.Double-Speed Transition Band ................................................................................................. 19

Figure 21.Double-Speed Passband Ripple ............................................................................................... 19

Figure 22.Quad-Speed Stopband Rejection ............................................................................................. 20

Figure 23.Quad-Speed Transition Band ................................................................................................... 20

Figure 24.Quad-Speed Transition Band ................................................................................................... 20

Figure 25.Quad-Speed Passband Ripple ................................................................................................. 20

LIST OF TABLES

Table 1. Common Clock Frequencies ...................................................................................................... 12

Table 2. Mode Pin Settings ...................................................................................................................... 14

CS4361 Related Products

	CS4361	CS4361_08
Description	20-pin, 24-bit, 192 khz, 6-channel D/A converter	20-pin, 24-bit, 192 khz, 6-channel D/A converter

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