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CDB5368 PDF даташит

Спецификация CDB5368 изготовлена ​​​​«Cirrus Logic» и имеет функцию, называемую «8-Channel A/D Converter».

Детали детали

Номер произв CDB5368
Описание 8-Channel A/D Converter
Производители Cirrus Logic
логотип Cirrus Logic логотип 

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CDB5368 Даташит, Описание, Даташиты
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CS5368
114 dB, 192 kHz, 8-Channel A/D Converter
Overall Features
! Advanced Multi-bit Delta-Sigma Architecture
! 24-Bit Conversion
! 114 dB Dynamic Range
! -105 dB THD+N
! Supports Audio Sample Rates up to 216 kHz
! Selectable Audio Interface Formats
– Left-Justified, I²S, TDM
– 8-channel TDM Interface Formats
! Low Latency Digital Filter
! Less than 600 mW Power Consumption
! On-Chip Oscillator Driver
! Operation as System Clock Master or Slave
! Differential Analog Architecture
! Separate 1.8 V to 5 V Logic Supplie s for
Control and Serial Ports
! High-Pass Filter for DC Offset Calibration
! Overflow Detection
! Pin-Compatible with the 4-Channel CS5364
and 6-Channel CS5366
Additional Control Port Features
! Supports Standard I²C or SPI Control Interface
! Individual Channel HPF Disable
! Overflow Detection for Individual Channels
! Mute Control for Individual Channels
! Independent Power-Down Control per Channel
Pair
VA
5V
Internal
Osci l l ator
Voltage
Reference
VD
3.3 - 5V
Confi gurati on
Regi sters
Control Interface
I2C,SPI
or Pins
VLC
1.8 - 5V
Devi ce
Control
8 Differential
Analog Inputs
M ul ti -Bi t∆Σ
ADC
Deci m ati on
Fi l ter
High Pass
Fi l ter
Serial
Audio Out
PCMor
TDM
Di gi tal
Audio
VLS
1.8 - 5V
Advanced Product Information
http://www.cirrus.com
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
JULY '05
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CDB5368 Даташит, Описание, Даташиты
CS5368
Description
The CS5368 is a complete 8-channel analog-to-digital converter for digital audio systems. It performs sampling, an-
alog-to-digital conversion and anti-alias filtering, generating 24-bit values for all 8-channel inputs in serial form at
sample rates up to 216 kHz per channel.
The CS5368 uses a 5th-order, multi-bit delta sigma modulator followed by low latency digital filtering and decima-
tion, which removes the need for an external anti-aliasing filter. The ADC uses a differential input architecture which
provides excellent noise rejection.
Dedicated level translators for the Serial Port and Control Port allow seamless interfacing between the CS5368 and
other devices operating over a wide range of logic levels. In addition, an on-chip oscillator driver provides clocking
flexibility and simplifies design.
The CS5368 is the industry’s first audio A/D to support a high-speed TDM interface which provides a serial output
of 8 channels of audio data with sample rates up to 216 kHz within a single data stream. It further reduces layout
complexity and relieves input/output constraints in digital signal processors.
The CS5368 is ideal for high-end and pro-audio systems requiring unrivaled sound quality, transparent conversion,
wide dynamic range and negligible distortion, such as A/V receivers, digital mixing consoles, multi-channel record-
ers, outboard converters, digital effect processors, and automotive audio systems.
ORDERING INFORMATION
Product
Description
CS5368
114 dB, 192 kHz,
8-channel A/D Con-
verter
Package
48-pin
LQFP
CDB5368
Evaluation Board for CS5368
Pb-Free
YES
Grade
Commercial
Automotive
Temp Range
-10° to +85°C
-40° to +85°C
Container
Tray
Tape & Reel
Tray
Tape & Reel
Order #
CS5368-CQZ
CS5368-CQZR
CS5368-DQZ
CS5368-DQZR
CDB5368
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CDB5368 Даташит, Описание, Даташиты
CS5368
TABLE OF CONTENTS
1. PIN DESCRIPTION ...................................................................................................... 9
2. CHARACTERISTICS AND SPECIFICATIONS.......................................................... 13
Specified Operating Conditions .............................................................................................. 13
Absolute Ratings .................................................................................................................... 13
System Clocking ..................................................................................................................... 13
Thermal Characteristics.......................................................................................................... 13
DC Power CS5368 ................................................................................................................. 14
Logic Levels ........................................................................................................................... 14
PSRR, Vq and FILT+ Characteristics ..................................................................................... 14
Analog Performance (CS5368-CQZ)...................................................................................... 15
Analog Performance (CS5368-DQZ)...................................................................................... 16
Digital Filter Characteristics ................................................................................................... 17
Serial Audio Interface - I²S/LJ Timing ..................................................................................... 18
Serial Audio Interface - TDM Timing....................................................................................... 19
Overflow Timeout ................................................................................................................... 19
Switching Specifications - Control Port - I²C Timing ............................................................... 20
Switching Specifications - Control Port - SPI Timing .............................................................. 21
3. TYPICAL CONNECTION DIAGRAM ....................................................................... 23
3.1 Suggested Analog Input Buffer......................................................................................... 24
4. APPLICATIONS ......................................................................................................... 25
4.1 Power ............................................................................................................................... 25
4.2 Clocking ............................................................................................................................ 25
4.3 Stand-Alone Operation ..................................................................................................... 26
4.4 Control-Port Operation ..................................................................................................... 26
4.5 DC Offset Control ............................................................................................................. 26
4.6 Serial Audio Interface (SAI) .............................................................................................. 26
4.6.1 General Description ............................................................................................. 26
4.6.2 Master and Slave Operation ................................................................................ 26
4.6.3 Synchronization of Multiple Devices .................................................................... 27
4.6.4 Sample Rate Ranges........................................................................................... 27
4.6.5 Using M1 and M0 to Set Sampling Parameters................................................... 27
4.6.6 Using DIF1 and DIF0 to Set Serial Audio Interface Format ................................. 28
4.6.7 Master Mode Audio Clocking ............................................................................... 28
4.6.8 Slave Mode Audio Clocking ................................................................................. 28
4.6.9 Master and Slave Clock Frequencies .................................................................. 29
4.7 Serial Audio Formats ........................................................................................................ 30
4.7.1 LJ and I²S FORMAT ............................................................................................ 31
4.7.2 TDM Format......................................................................................................... 31
4.8 Overflow Detection ........................................................................................................... 31
4.8.1 Stand-Alone Mode ............................................................................................... 31
4.8.2 Control-Port Mode................................................................................................ 31
4.9 Control Port Operation...................................................................................................... 31
4.9.1 SPI Mode ............................................................................................................. 31
4.9.2 I²C Mode .............................................................................................................. 32
5. REGISTER MAP......................................................................................................... 35
5.1 Register Quick Reference ............................................................................................... 35
5.2 00h (REVI) Chip ID Code & Revision Register................................................................. 35
5.3 01h (GCTL) Global Mode Control Register ..................................................................... 35
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