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PDF CS4272 Data sheet ( Hoja de datos )
| Número de pieza | CS4272 | |
| Descripción | 24-Bit / 192 kHz Stereo Audio CODEC | |
| Fabricantes | Cirrus Logic | |
| Logotipo |  |
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CS4272
24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
! High Performance
– 114 dB Dynamic Range
– -100 dB THD+N
! Up to 192 kHz Sampling Rates
! Differential Analog Architecture
! Volume Control with Soft Ramp
– 1 dB Step Size
– Zero Crossing Click-free Transitions
! Selectable Digital Filters
– Fast and Slow Roll Off
! ATAPI Mixing Functions
! Selectable Serial Audio Interface Formats
– Left Justified up to 24-bit
– I2S up to 24-bit
– Right Justified 16-, 18-, 20-, and 24-Bit
! Control Output for External Muting
! Selectable 50/15 µs De-emphasis
A/D Features
! High Performance
– 114 dB Dynamic Range
– -100 dB THD+N
! Up to 192 kHz Sampling Rates
! Differential Analog Architecture
! Multi-bit Delta Sigma Conversion
! High-pass Filter or DC Offset Calibration
! Low-Latency Digital Anti-alias Filtering
! Automatic Dithering of 16-bit Data
! Selectable Serial Audio Interface Formats
– Left Justified up to 24-bit
– I2S up to 24-bit
System Features
! Direct Interface with 5V to 2.5V Logic Levels
! Internal Digital Loopback
! On-chip Oscillator
! Stand-Alone or Control Port Functionality
2.5 V to 5 V
3.3 V to 5 V
5V
Hardware or
I2C/SPI
Control Data
Reset
Serial
Audio
Input
Serial
Audio
Output
Register / Hardware
Configuration
Volume
Control
Volume
Control
Internal Voltage
Reference
Internal
Oscillator
External
Mute Control
Selectable
Interpolation
Filter
Selectable
Interpolation
Filter
∆Σ Modulator
∆Σ Modulator
Switched Capacitor
DAC and Filter
Switched Capacitor
DAC and Filter
High Pass Filter &
DC Offset Calibration
High Pass Filter &
DC Offset Calibration
Low-Latency
Anti-Alias Filter
Low-Latency
Anti-Alias Filter
Multibit
Oversampling
ADC
Multibit
Oversampling
ADC
Left and
Right Mute
Controls
Left
Differential
Output
Right
Differential
Output
Left
Differential
Input
Right
Differential
Input
Cirrus Logic, Inc.
www.cirrus.com
Copyright © Cirrus Logic, Inc. 2005
(All Rights Reserved)
AUGUST '05
DS593F1
1 page  
1. PIN DESCRIPTIONS - SOFTWARE MODE
XTO
XTI
MCLK
LRCK
SCLK
SDOUT
SDIN
DGND
VD
VL
SCL/CCLK
SDA/CDIN
AD0/CS
RST
1 28
2 27
3 26
4 25
5 24
6 23
7 28-Pin TSSOP 22
8 21
9 20
10 19
11 18
12 17
13 16
14 15
CS4272
BMUTEC
AOUTB-
AOUTB+
AOUTA+
AOUTA-
AMUTEC
FILT+
AGND
VA
AINB-
AINB+
AINA+
AINA-
VCOM
DS593F1
5
5 Page 
CS4272
DAC ANALOG CHARACTERISTICS - AUTOMOTIVE GRADE (Notes 3 to 7)
Parameter
Symbol
Dynamic Performance
Dynamic Range
24-Bits
16-Bits
A-Weighted
unweighted
unweighted
Total Harmonic Distortion + Noise
0 dB THD+N
-20 dB
-60 dB
Idle Channel Noise / Signal-to-Noise Ratio
Interchannel Isolation
(1 kHz)
DC Accuracy
Interchannel Gain Mismatch
ICGM
Gain Drift
Analog Output Characteristics and Specifications
Full Scale Differential Output Voltage
Output Resistance
Minimum AC-Load Resistance
Maximum Load Capacitance
(note 7)
VFS
Zout
RL
CL
Min
106
103
-
-
-
-
-
-
-
-
0.91xVA
-
-
-
Typ
114
111
94
-100
-91
-51
114
100
0.1
100
0.96xVA
100
3
100
Max
-
-
-
-92
-
-43
-
-
-
-
1.01xVA
-
-
-
Unit
dB
dB
dB
dB
dB
dB
dB
dB
dB
ppm/°C
Vpp
Ω
kΩ
pF
DS593F1
11
11 Page | ||
| Páginas | Total 53 Páginas | |
| PDF Descargar | [ Datasheet CS4272.PDF ] | |
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