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Cirrus Logic

CS4345 Datasheet Preview

CS4345 Datasheet

(CS4344 - CS4348) 192KHz STEREO D/A CONVERTER

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CS4344/5/8
10-Pin, 24-Bit, 192 kHz Stereo D/A Converter
Features
Multi-bit Delta-Sigma Modulator
24-bit Conversion
Automatically Detects Sample Rates up to
192 kHz.
105 dB Dynamic Range
-90 dB THD+N
Low Clock-Jitter Sensitivity
Single +3.3 or +5 V Power Supply
Filtered Line-Level Outputs
On-chip Digital De-emphasis
Popguard® Technology
Small 10-pin TSSOP Package
Description
The CS4344 family members (CS4344, CS4345, and
CS4348) are complete, stereo digital-to-analog output
systems including interpolation, multibit D/A conversion
and output analog filtering in a 10-pin package. The
CS4344 family supports major audio data interface for-
mats. Individual devices differ only in the supported
interface format.
The CS4344 family is based on a fourth-order multibit
delta-sigma modulator with a linear analog low-pass fil-
ter. This family also includes autospeed mode detection
using both sample rate and master clock ratio as a
method of auto-selecting sampling rates between 2 kHz
and 200 kHz.
The CS4344 family contains on-chip digital deempha-
sis, operates from a single +3.3 V or +5 V power supply,
and requires minimal support circuitry. These features
are ideal for DVD players & recorders, digital televi-
sions, home theater and set top box products, and
automotive audio systems.
The CS4344 family is available in a 10-pin TSSOP
package in both Commercial (-10 to +85 °C) and Auto-
motive grades (-40 to +85 °C). See Section 8. “Ordering
Information” on page 23 for complete details.
Serial Audio
Input
De-emphasis
PCM
Serial
Interface
3.3 V or 5 V
Interpolation
Filter
Multibit
Modulator
Interpolation
Filter
Multibit
Modulator
Switched
Capacitor
DAC and
Filter
Switched
Capacitor
DAC and
Filter
Internal
Voltage
Reference
Left
Output
Right
Output
http://www.cirrus.com
Copyright Cirrus Logic, Inc. 2013
(All Rights Reserved)
JUL ‘13
DS613F2




Cirrus Logic

CS4345 Datasheet Preview

CS4345 Datasheet

(CS4344 - CS4348) 192KHz STEREO D/A CONVERTER

No Preview Available !

CS4344/5/8
TABLE OF CONTENTS
1. PIN DESCRIPTIONS .............................................................................................................................. 4
2. CHARACTERISTICS AND SPECIFICATIONS ...................................................................................... 5
SPECIFIED OPERATING CONDITIONS ............................................................................................... 5
ABSOLUTE MAXIMUM RATINGS ......................................................................................................... 5
DAC ANALOG CHARACTERISTICS ..................................................................................................... 6
DAC ANALOG CHARACTERISTICS - ALL MODES ............................................................................. 6
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE ........................................ 7
DIGITAL INPUT CHARACTERISTICS ................................................................................................... 8
POWER AND 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 .................................................................................................................................. 15
4.4 Initialization and Power-Down ........................................................................................................ 15
4.5 Output Transient Control ................................................................................................................ 15
4.5.1 Power-Up .............................................................................................................................. 15
4.5.2 Power-Down .......................................................................................................................... 15
4.6 Grounding and Power Supply Decoupling ...................................................................................... 17
4.7 Analog Output and Filtering ............................................................................................................ 17
5. FILTER PLOTS ..................................................................................................................................... 18
6. PARAMETER DEFINITIONS ................................................................................................................ 21
7. PACKAGE DIMENSIONS .................................................................................................................... 22
8. ORDERING INFORMATION ................................................................................................................ 23
8.1 Functional Compatibility ................................................................................................................. 23
8.2 Selection Guide .............................................................................................................................. 23
9. REVISION HISTORY ............................................................................................................................ 24
2


Part Number CS4345
Description (CS4344 - CS4348) 192KHz STEREO D/A CONVERTER
Maker Cirrus Logic
PDF Download

CS4345 Datasheet PDF





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