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參數資料
型號: CS4245-CQZ
廠商: CIRRUS LOGIC INC
元件分類: 消費家電
英文描述: 105 dB, 24-Bit, 192 kHz Streo Sudio CODEC
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP48
封裝: LEAD FREE, MS-022, LQFP-48
文件頁數: 1/54頁
文件大小: 1166K
代理商: CS4245-CQZ
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
1
Copyright
Cirrus Logic, Inc. 2004
(All Rights Reserved)
Cirrus Logic, Inc.
www.cirrus.com
CS4245
105 dB, 24-Bit, 192 kHz Stereo Audio CODEC
AUG ‘04
DS656PP1
D/A Features
Multi-bit Delta Sigma modulator
105 dB dynamic range
-95 dB THD+N
Up to 192 kHz sampling rates
Single-ended analog architecture
Volume control with soft ramp
– 0.5 dB step size
– Zero crossing click-free transitions
Popguard
TM
Technology
– Minimizes the effects of output transients
Filtered line level outputs
Selectable serial audio interface formats
– Left justified up to 24-bit
– I2S up to 24-bit
– Right justified 16, 18, 20 and 24-bit
Selectable 50/15
μ
s de-emphasis
Control Output for External Muting
A/D Features
Multi-bit Delta Sigma modulator
105 dB dynamic range
-95 dB THD+N
Stereo 6:1 Input Multiplexer
Programmable Gain Amplifier (PGA)
– +/- 12 dB gain, 0.5 dB step size
– Zero crossing, click-free transitions
Stereo microphone inputs
– +32 dB gain stage
– Low noise bias supply
Up to 192 kHz sampling rates
Selectable serial audio interface formats
– Left justified up to 24-bit
– I2S up to 24-bit
High pass filter or DC offset calibration
1.8 V to 5 V
Multibit
Σ
Modulator
Multibit
Σ
Modulator
Linear Phase
Anti-Alias Filter
Internal Voltage
Reference
Interpolation
Filter
Interpolation
Filter
Left DAC Output
Right DAC Output
Switched Capacitor
DAC and Filter
Multibit
Oversampling
ADC
Multibit
Oversampling
ADC
Linear Phase
Anti-Alias Filter
High Pass
Filter
High Pass
Filter
Stereo Input 1
Stereo Input 2
Stereo Input 3
Serial
Audio
Input
Serial
Audio
Output
3.3 V to 5 V
3.3 V to 5 V
Switched Capacitor
DAC and Filter
MUX
PGA
MUX
Volume
Control
Volume
Control
P
P
Mute
Control
Register Configuration
L
T
L
L
T
Reset
I
2
C/SPI
Control Data
Interrupt
Mute Control
Left Aux Output
Right Aux Output
Stereo Input 4 /
Mic Input 1 & 2
Stereo Input 5
Stereo Input 6
PGA
+32 dB
+32 dB
ADC Overflow
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