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ADAU1590ASVZ PDF预览

ADAU1590ASVZ

更新时间: 2024-01-20 04:49:35
品牌 Logo 应用领域
亚德诺 - ADI 放大器功率放大器
页数 文件大小 规格书
24页 588K
描述
Class-D Audio Power Amplifier

ADAU1590ASVZ 数据手册

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Class-D Audio Power Amplifier  
ADAU1590  
FEATURES  
GENERAL DESCRIPTION  
Integrated stereo modulator and power stage  
0.005% THD + N  
101 dB dynamic range  
PSRR >55 dB  
The ADAU1590 is a 2-channel, bridge-tied load (BTL)  
switching audio power amplifier with an integrated Σ-Δ  
modulator.  
The modulator accepts an analog input signal and generates  
a switching output to drive speakers directly. A digital,  
microcontroller-compatible interface provides control of reset,  
mute and PGA gain as well as output signals for thermal and  
overcurrent error conditions. The output stage can operate  
from supply voltages ranging from 9 V to 15 V. The analog  
modulator and digital logic operate from a 3.3 V supply.  
R
DS-ON < 0.3 Ω (per transistor)  
Efficiency > 90% (8 Ω)  
EMI-optimized modulator  
On/off-mute pop-noise suppression  
Short-circuit protection  
Overtemperature protection  
APPLICATIONS  
Flat panel televisions  
PC audio systems  
Mini-components  
FUNCTIONAL BLOCK DIAGRAM  
PGA0  
PGA1  
PVDD  
PGA  
AINL  
A1  
A2  
OUTL+  
PGND  
PVDD  
B1  
B2  
OUTL–  
SLC_TH  
SLICER  
PGND  
PVDD  
LEVEL SHIFT  
AND DEAD  
TIME CONTROL  
Σ-Δ  
MODULATOR  
C1  
C2  
OUTR+  
PGND  
PVDD  
AINR  
PGA  
D1  
D2  
PGA0  
PGA1  
OUTR–  
PGND  
AVDD  
fCLK/2  
VREF  
VOLTAGE  
REFERENCE  
TEMPERATURE  
OVERCURRENT  
PROTECTION  
AGND  
CLOCK  
OSCILLATOR  
MODE CONTROL  
LOGIC  
DVDD  
DGND  
ADAU1590  
XTI XTO MO/ST STDN MUTE ERR OTW  
Figure 1.  
Rev. 0  
Information furnished by Analog Devices is believed to be accurate and reliable. However, no  
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other  
rights of third parties that may result from its use. Specifications subject to change without notice. No  
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.  
Trademarks and registeredtrademarks arethe property of their respective owners.  
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.  
Tel: 781.329.4700  
Fax: 781.461.3113  
www.analog.com  
©2007 Analog Devices, Inc. All rights reserved.  
 

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