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CDB5368 Schematic ( PDF Datasheet ) - Cirrus Logic

Teilenummer CDB5368
Beschreibung 8-Channel A/D Converter
Hersteller Cirrus Logic
Logo Cirrus Logic Logo 




Gesamt 30 Seiten
CDB5368 Datasheet, Funktion
www.DataSheet4U.com
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
DS624A1






CDB5368 Datasheet, Funktion
CS5368
LIST OF TABLES
Table 1. Overflow Timeout ............................................................................................................ 19
Table 2. M1 and M0 Settings ........................................................................................................ 27
Table 3. DIF1 and DIF0 Pin Settings ............................................................................................ 28
Table 4. Frequencies for 48 kHz Sample Rate using LJ/I²S ......................................................... 29
Table 5. Frequencies for 96 kHz Sample Rate using LJ/I²S ......................................................... 29
Table 6. Frequencies for 192 kHz Sample Rate using LJ/I²S ....................................................... 29
Table 7. Frequencies for 48 kHz Sample Rate using TDM........................................................... 29
Table 8. Frequencies for 96 kHz Sample Rate using TDM........................................................... 30
Table 9. Frequencies for 192 kHz Sample Rate using TDM......................................................... 30
Table 10. Revision History ........................................................................................................... 47
DS624A1
7

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CDB5368 pdf, datenblatt
CS5368
ANALOG PERFORMANCE (CS5368-CQZ)
Unless otherwise specified, input test signal is a 1 kHz sine wave. Measurement bandwidth is 10 Hz to 20 kHz.
Parameter
Single-Speed Mode (Fs = 48 kHz)
Dynamic Range
A-weighted
unweighted
Total Harmonic Distortion + Noise
referred to typical full scale
-1 dB
-20 dB
-60 dB
Double-Speed Mode (Fs = 96 kHz)
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
referred to typical full scale
40 kHz bandwidth
-1 dB
-20 dB
-60 dB
-1dB
Quad-Speed Mode (Fs = 192 kHz)
Dynamic Range
A-weighted
unweighted
40 kHz bandwidth unweighted
Total Harmonic Distortion + Noise
referred to typical full scale
40 kHz bandwidth
-1 dB
-20 dB
-60 dB
-1dB
Dynamic Performance for All Modes
Interchannel Isolation
DC Accuracy
Interchannel Gain Mismatch
Gain Error
Gain Drift
Offset Error
HPF enabled
HPF disabled
Analog Input Characteristics
Full-scale Differential Input Voltage
(at VA = 5V)
Input Impedance (Differential)
Common Mode Rejection Ratio
Symbol
THD+N
THD+N
THD+N
CMRR
Min
108
105
-
-
-
108
105
-
-
-
-
-
108
105
-
-
-
-
-
-
-
-
-
0
-
1.07*VA
-
-
Typ
114
111
-105
-91
-51
114
111
108
-105
-91
-51
-102
114
111
108
-105
-91
-51
-102
110
0.1
-
± 100
-
-
1.13*VA
7.5
82
Max Unit
- dB
- dB
-99 dB
- dB
- dB
- dB
- dB
- dB
-99 dB
- dB
- dB
- dB
- dB
- dB
- dB
-99 dB
- dB
- dB
- dB
- dB
- dB
±5 %
- ppm/°C
- LSB
100 LSB
1.19*VA
-
-
Vpp
k
dB
DS624A1
15

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