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Cirrus Logic

CS4340A Datasheet Preview

CS4340A Datasheet

24-Bit / 192 kHz Stereo DAC for Audio

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CS4340A
24-Bit, 192 kHz Stereo DAC for Audio
Features
! 101 dB Dynamic Range
! -91 dB THD+N
! +3.3 V or +5 V Power Supply
! 50 mW with 3.3 V supply
! Low Clock Jitter Sensitivity
! Filtered Line Level Outputs
! On-Chip Digital De-emphasis for 44.1 kHz
! Popguard® Technology for Control of Clicks
and Pops
! Up to 200 kHz Sample Rates
! Automatic Mode Detection for Sample Rates
between 4 and 200 kHz
! Pin Compatible with the CS4340
Description
The CS4340A 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 CS4340A accepts data at all standard audio sample
rates up to 192 kHz, consumes very little power, oper-
ates over a wide power supply range and is pin
compatible with the CS4340, as described in section 3.1.
These features are ideal for DVD audio players.
ORDERING INFORMATION
CS4340A-KS
16-pin SOIC, -10 to 70 °C
CS4340A-KSZ, Lead Free, 16-pin SOIC, -10 to 70 °C
CDB4340A
Evaluation Board
RST
LRCK
SDIN
SCLK
Serial
Audio
Interface
DEM
MUTEC
De-emphasis
Interpolation
Filter
External
Mute Control
∆Σ DAC
Analog Filter
Interpolation
Filter
∆Σ DAC
Analog Filter
AOUTL
AOUTR
DIF0 DIF1
MCLK
http://www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
JULY '05
DS590F2
1




Cirrus Logic

CS4340A Datasheet Preview

CS4340A Datasheet

24-Bit / 192 kHz Stereo DAC for Audio

No Preview Available !

CS4340A
TABLE OF CONTENTS
1. PIN DESCRIPTION ....................................................................................................................4
2. TYPICAL CONNECTION DIAGRAM......................................................................................5
3. APPLICATIONS .........................................................................................................................6
3.1 Upgrading from the CS4340 to the CS4340A .....................................................................6
3.2 Sample Rate Range/Operational Mode Detect ....................................................................6
3.3 System Clocking ..................................................................................................................6
3.4 Digital Interface Format.......................................................................................................7
3.5 De-Emphasis ........................................................................................................................8
3.6 Power-up Sequence..............................................................................................................9
3.7 Popguard® Transient Control...............................................................................................9
3.7.1 Power-up .....................................................................................................................9
3.7.2 Power-down ................................................................................................................9
3.7.3 Discharge Time ...........................................................................................................9
3.8 Mute Control ......................................................................................................................10
3.9 Grounding and Power Supply Arrangements ....................................................................10
4. CHARACTERISTICS AND SPECIFICATIONS.....................................................................11
RECOMMENDED OPERATING SPECIFICATION .................................................................11
ABSOLUTE MAXIMUM RATINGS...........................................................................................11
ANALOG CHARACTERISTICS (CS4340A-KS/KSZ)...............................................................12
COMBINED INTERPOLATION & ON-CHIP ANALOG FILTER RESPONSE.......................14
SWITCHING SPECIFICATIONS - SERIAL AUDIO INTERFACE ..........................................17
DC ELECTRICAL CHARACTERISTICS ...................................................................................18
DIGITAL INTERFACE SPECIFICATIONS................................................................................18
DIGITAL INPUT CHARACTERISTICS .....................................................................................18
5. PARAMETER DEFINITIONS..................................................................................................19
6. REFERENCES...........................................................................................................................19
7. PACKAGE DIMENSIONS .......................................................................................................20
THERMAL CHARACTERISTICS AND SPECIFICATIONS ....................................................20
8. REVISION HISTORY...............................................................................................................21
2 DS590F2


Part Number CS4340A
Description 24-Bit / 192 kHz Stereo DAC for Audio
Maker Cirrus Logic
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CS4340A Datasheet PDF






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