CDB4270 데이터 시트보기 (PDF) - Cirrus Logic
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CDB4270 Datasheet PDF : 49 Pages
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CS4270
24-Bit, 192 kHz Stereo Audio CODEC
D/A Features
High Performance
– 105 dB Dynamic Range
– -95 dB THD+N
Selectable Serial Audio Interface Formats
– Left-Justified up to 24-bit
– I²S up to 24-bit
– Right-Justified 16-, and 24-Bit
Control Output for External Muting
On-Chip Digital De-Emphasis
Popguard® Technology
Multi-bit ∆Σ Conversion
Digital Volume Control
Single-Ended Output
A/D Features
High Performance
– 105 dB Dynamic Range
– -95 dB THD+N
Multi-bit ∆Σ Conversion
High-Pass Filter to Remove DC Offsets
Selectable Serial Audio Interface Formats
– Left-Justified up to 24-bit
– I²S up to 24-bit
Single-Ended Input
System Features
Direct Interface with Logic Levels 1.8 V to 5 V
Internal Digital Loopback
Stand-Alone or Control Port Functionality
Single-Ended Analog Architecture
Supports all Audio Sample Rates from 4 kHz to
216 kHz
3.3 V or 5 V Core Supply
Control Port Supply
1.8 V to 5 V
Digital Supply
3.3 V to 5 V
Analog Supply
3.3 V to 5 V
Hardware Mode or
I2C/SPI Software Mode
Control Data
Reset
Register/Hardware
Configuration
Internal Voltage
Reference
External Mute
Control
2
Mute Signals
PCM Serial
Audio Input
Volume
2 Controls
Digital
Filters
Multi-bit ∆Σ
Modulators
Switch-Cap
DAC and
Analog Filters
Single-Ended
2
Outputs
PCM Serial
Audio Output
High-Pass
2
Filter
Digital
Filters
Switch-Cap
Single-Ended
ADC
2 Inputs
Preliminary 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. 2006
(All Rights Reserved)
MAY '06
DS686PP1
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