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Cirrus Logic

CS5396 Datasheet Preview

CS5396 Datasheet

96 kHz Audio A/D Converter

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CS5396
CS5397
120 dB, 96 kHz Audio A/D Converter
Features
General Description
l 24-Bit Conversion
l 120 dB Dynamic Range (A-Weighted)
l Low Noise and Distortion
>105 dB THD + N
l Complete CMOS Stereo A/D System
Delta-Sigma A/D Converters
Digital Anti-Alias Filtering
S/H Circuitry and Voltage Reference
l CS5396 - digital filter optimized for audio
l CS5397 - non-aliasing digital filter
l Adjustable System Sampling Rates
including 32, 44.1, 48 & 96 kHz
l Differential Analog Architecture
l Linear Phase Digital Anti-Alias Filtering
l 10 Tap Programmable Psychoacoustic Noise
Shaping Filter
l Single +5 V Power Supply
The CS5396 and CS5397 are complete analog-to-digital
converters for stereo digital audio systems. They per-
form 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 100 kHz
per channel.
The CS5396/97 use a patented 7th-order, tri-level delta-
sigma modulator followed by digital filtering and decima-
tion, which removes the need for an external anti-alias
filter. The ADCs use a differential architecture which pro-
vides excellent noise rejection.
The CS5396 has a linear phase filter optimized for audio
applications with ±0.005 dB passband ripple and
>117 dB stopband rejection. The CS5397 has a non-
aliasing filter response with ±0.005 passband ripple and
>117 dB stopband attenuation. Other features available
in both the CS5396 and CS5397 are an optional low
group delay filter and a unique psychoacoustic noise
shaping filter which subjectively truncates the output to
16, 18 or 20 bits while 24-bit sound quality is preserved.
The CS5396/97 are targeted for the highest perfor-
mance professional audio systems requiring wide
dynamic range, negligible distortion and low noise.
ORDERING INFORMATION
CS5396-KS -10° to 50° C
CS5397-KS -10° to 50° C
CDB5396/97
28-pin SOIC
28-pin SOIC
Evaluation Board
VCOM MCLKA ADCTL
DACTL CAL SCLK LRCK SDATA1 SDATA2 MCLKD
VREF
Voltage Reference
AINL-
AINL+
+
-
S/H
AINR-
AINR+
+
-
S/H
LP Filter
+
-
Comparator
DAC
LP Filter
+
-
Comparator
DAC
Serial Output Interface
Serial
Control
Port
Digital Decimation
Filter
(with Low Group
Delay Options)
Digital Decimation
Filter
(with Low Group
Delay Options)
Calibration
Microcontroller
Psychoacoustic
Filter
Calibration
SRAM
CS
CDIN
CCLK
VA AGND1 AGND2 AGND0 VL LGND
TST0 TST1 VD DGND
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Cirrus Logic, Inc.
Crystal Semiconductor Products Division
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.crystal.com
Copyright © Cirrus Logic, Inc. 1997
(All Rights Reserved)
SEP ‘97
DS229PP2
1




Cirrus Logic

CS5396 Datasheet Preview

CS5396 Datasheet

96 kHz Audio A/D Converter

No Preview Available !

CS5396 CS5397
TABLE OF CONTENTS
TABLE OF CONTENTS.......................................................................................................2
ANALOG CHARACTERISTICS ..........................................................................................4
DIGITAL FILTER CHARACTERISTICS ..............................................................................5
POWER AND THERMAL CHARACTERISTICS .................................................................6
DIGITAL CHARACTERISTICS............................................................................................6
ABSOLUTE MAXIMUM RATINGS......................................................................................6
RECOMMENDED OPERATING CONDITIONS ..................................................................7
SWITCHING CHARACTERISTICS .....................................................................................7
SPI CONTROL PORT SWITCHING CHARACTERISTICS.................................................9
I2C CONTROL PORT SWITCHING CHARACTERISTICS ...............................................10
GENERAL DESCRIPTION ...............................................................................................12
Stand-Alone vs. Control Port Mode ........................................................................12
STAND-ALONE MODE ....................................................................................................12
Master Clock - Stand-Alone Mode ..........................................................................12
Serial Data Interface - Stand-Alone Mode ..............................................................12
Serial Data- Stand-Alone Mode .......................................................................13
Serial Clock - Stand-Alone Mode ....................................................................13
Left/Right Clock - Stand-Alone Mode ..............................................................13
Master Mode - Stand-Alone Mode ..........................................................................13
Slave Mode - Stand-Alone Mode ............................................................................13
High Pass Filter - Stand-Alone Mode .....................................................................13
Power-up and Calibration - Stand-Alone Mode ......................................................13
Synchronization of Multiple Devices - Stand Alone Mode ......................................14
CONTROL PORT MODE ..................................................................................................14
Access to Control Port Mode ..................................................................................14
Internal Power-On Reset .................................................................................14
Master Clock - Control Port Mode ..........................................................................15
64× vs. 128× Oversampling Modes ........................................................................15
Serial Data Interface - Control Port Mode ..............................................................15
Serial Data - Control Port Mode ......................................................................15
Serial Clock - Control Port Mode .....................................................................15
Left/Right Clock -Control Port Mode ................................................................15
Master Mode- Control Port Mode ...........................................................................17
Slave Mode - Control Port Mode ............................................................................17
Synchronization of Multiple Devices - Control Port Mode ......................................17
Power-up and Calibration - Control Port Mode .......................................................17
High Pass Filter -Control Port Mode .......................................................................17
Input Level Monitoring - Control Port Mode ............................................................18
High Resolution Mode .....................................................................................18
Bar Graph Mode ..............................................................................................18
Dual Digital Audio Outputs .....................................................................................18
Psychoacoustic Filter ..............................................................................................19
Low Group Delay Filter ...........................................................................................19
µC Interface Formats ..............................................................................................19
SPI Mode .........................................................................................................19
I2C Mode .........................................................................................................19
Establishing the Chip Address in I2C Mode ....................................................19
ANALOG CONNECTIONS - ALL MODES .......................................................................19
GROUNDING AND POWER SUPPLY DECOUPLING - ALL MODES ............................20
DIGITAL FILTER PLOTS .................................................................................................21
REGISTER DESCRIPTION ...............................................................................................25
PIN DESCRIPTIONS .........................................................................................................31
Power Supply Connections .....................................................................................31
Analog Inputs...........................................................................................................31
Analog Outputs........................................................................................................32
Digital Inputs............................................................................................................32
2 DS229PP2


Part Number CS5396
Description 96 kHz Audio A/D Converter
Maker Cirrus Logic
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CS5396 Datasheet PDF






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