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參數資料
| 型號： | CS4525-CNZR |
| 廠商： | CIRRUS LOGIC INC |
| 元件分類： | ADC |
| 英文描述： | 30 W Digital Audio Amplifier with Integrated ADC |
| 中文描述： | 2-CH 24-BIT DELTA-SIGMA ADC, PARALLEL ACCESS, PQCC48 |
| 封裝： | 9 X 9 MM, LEAD FREE, MO-220, QFN-48 |
| 文件頁數： | 1/98頁 |
| 文件大小： | 864K |
| 代理商： | CS4525-CNZR |
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Copyright
Cirrus Logic, Inc. 2007
(All Rights Reserved)
http://www.cirrus.com
Preliminary Product Information
This document contains information for a new product.
Cirrus Logic reserves the right to modify this product without notice.
30 W Digital Audio Amplifier with Integrated ADC
Digital Amplifier Features
Fully Integrated Power MOSFETs
No Heatsink Required
–
Programmable Power Foldback on
Thermal Warning
–
High Efficiency
> 100 dB Dynamic Range
< 0.1% THD+N @ 1 W
Configurable Outputs (10% THD+N)
–
1 x 30 W into 4
Ω,
Parallel Full-Bridge
–
2 x 15 W into 8
Ω
, Full-Bridge
–
2 x 7 W into 4
Ω
, Half-Bridge + 1 x 15 W
into 8
Ω
, Full-Bridge
Built-In Protection with Error Reporting
–
Overcurrent/Undervoltage/Thermal
Overload Shutdown
–
Thermal Warning Reporting
PWM Popguard
for Half-Bridge Mode
Click-Free Start-Up
Programmable Channel Delay for System
Noise & Radiated Emissions Management
ADC Features
Stereo, 24-bit, 48 kHz Conversion
Multi-bit Architecture
95 dB Dynamic Range (A-wtd)
-86 dB THD+N
Supports 2 Vrms Input with Passive
Components
System Features
Asynchronous 2-Channel Digital Serial Port
32 kHz to 96 kHz Input Sample Rates
Operation with On-Chip Oscillator Driver or
Applied SYS_CLK at 18.432, 24.576 or
27.000 MHz
Integrated Sample Rate Converter (SRC)
–
Eliminates Clock-Jitter Effects
–
Input Sample Rate Independent Operation
–
Simplifies System Integration
Spread Spectrum PWM Modulation
–
Reduces EMI Radiated Energy
Low Quiescent Current
(Features continued on
page 2
)
VP
Amplifier
Out 1
Amplifier
Out 2
PGND
Amplifier
Out 3
Amplifier
Out 4
Stereo
Analog In
PWM Modulator
Output 2
PWM Modulator
Output 1
Gate
Drive
Gate
Drive
Gate
Drive
Gate
Drive
Multi-bit
ΔΣ
Modulator
with
Integrated
Sample Rate
Converter
Audio
Processing
Parametric EQ
High-Pass
Bass/Treble
Adaptive
Loudness
Compensation
2-Ch Mixer
2.1 Bass Mgr
Linkwitz-Riley
Crossover
De-Emphasis
Volume
Serial Audio
Clocks & Data
Serial Audio
Data I/O
Serial Audio
Clocks & Data
Serial Audio Input Port
Multi-bit
ΔΣ
ADC
Crystal Driver
I/O
System Clock
Crystal Oscillator Driver
Register /Hardware
Configuration
I2C or Hardware
Configuration
Reset
Interrupt
Error Protection
Thermal Warning
Over Current
Thermal Feedback
Under Voltage
HP Detect/Mute
PWM
2.5 V to 5 V
8 V to 18 V
Auxiliary Serial Port
Serial Audio
Delay Interface
AUGUST '07
DS726PP1
CS4525
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