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AD1990ACPZRL PDF预览

AD1990ACPZRL

更新时间: 2024-02-28 05:36:53
品牌 Logo 应用领域
亚德诺 - ADI 开关放大器
页数 文件大小 规格书
16页 405K
描述
Audio Switching Amplifier

AD1990ACPZRL 技术参数

是否无铅: 不含铅是否Rohs认证: 符合
生命周期:Active零件包装代码:QFN
包装说明:HVQCCN,针数:64
Reach Compliance Code:unknown风险等级:5.7
标称带宽:20 kHz商用集成电路类型:AUDIO AMPLIFIER
JESD-30 代码:S-XQCC-N64JESD-609代码:e3
长度:9 mm湿度敏感等级:3
信道数量:2功能数量:1
端子数量:64最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:UNSPECIFIED
封装代码:HVQCCN封装形状:SQUARE
封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度(摄氏度):260
认证状态:COMMERCIAL座面最大高度:1 mm
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
表面贴装:YES温度等级:INDUSTRIAL
端子面层:MATTE TIN端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:40宽度:9 mm
Base Number Matches:1

AD1990ACPZRL 数据手册

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Audio Switching Amplifier  
AD1990  
FEATURES  
GENERAL DESCRIPTION  
Integrated stereo modulator and power stage  
<0.002% THD + N  
101 dB dynamic range (A-weighted)  
2 × 5 W output power (4 Ω, <0.01% THD + N)  
RDS-ON < 0.3 Ω (per transistor)  
PSRR > 65 dB  
On-off-mute pop noise suppression  
EMI optimized modulator  
Short-circuit protection  
The AD1990 is a 2-channel, bridge tied load (BTL), switching  
audio power amplifier with integrated Σ-Δ modulator. The  
modulator accepts a single-ended, analog input signal and  
converts it to a switching waveform to drive speakers directly. A  
digital, microprocessor-compatible interface provides control of  
reset, mute, and PGA gain, as well as feedback signals for thermal  
and overcurrent error conditions. The output stage can operate  
over a power supply voltages range of 8 V to 12 V. The analog  
modulator and digital logic operate from a 5 V supply.  
Overtemperature protection  
Low cost DMOS process  
APPLICATIONS  
Advanced televisions  
Compact multimedia systems  
Minicomponents  
FUNCTIONAL BLOCK DIAGRAM  
FEEDBACK  
NETWORK  
PGA1  
PGA0  
AV  
DV  
DD  
PV  
DD  
DD  
AD1990  
A1  
A2  
OUTL+  
AINL  
Σ-Δ  
MODULATOR  
PGA  
B1  
B2  
LEVEL  
SHIFTER  
AND  
DEAD TIME  
CONTROL  
OUTL–  
OUTR+  
H-BRIDGE  
AINR  
Σ-Δ  
MODULATOR  
PGA  
C1  
C2  
CLKI  
MODE CONTROL  
LOGIC AND  
OSCILLATOR  
POP/CLICK  
CLKO  
SUPPRESSION  
D1  
D2  
REF_FILT  
OUTR–  
VOLTAGE  
REFERENCE  
AGND  
PGND  
FEEDBACK  
NETWORK  
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  
©2006 Analog Devices, Inc. All rights reserved.  
 

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