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PA162_10 参数 Datasheet PDF下载

PA162_10图片预览
型号: PA162_10
PDF下载: 下载PDF文件 查看货源
内容描述: 功率运算放大器 [Power Operational Amplifiers]
分类和应用: 运算放大器
文件页数/大小: 6 页 / 735 K
品牌: APEX [ CIRRUS LOGIC ]
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PA162
PA162
DESCRIPTION
The amplifier design is a dual power op amp on a
single monolithic die. The quad output PA162 com-
bines two dual op amp die in a single PSOP pack-
age. This approach provides a cost-effective solu-
tion to applications where multiple amplifiers are
required or a bridge configuration is needed. Four
independent amplifiers coupled with low quiescent
current and very low THD makes this an ideal low-
distortion 4-channel audio amplifier for applications
such as laptops and computer speakers.
The quad output PA162DK is available in a surface
mount 20-pin PSOP, JEDEC MO-166-AB package.
Built-in thermal shutdown allows the devices to self-
protect against thermal overloads. Care must be ex-
ercised to observe the Safe Operating Area (SOA)
curve and proper heatsinking will ensure maximum
reliability.
The wide common mode input range includes the
negative rail, facilitating single supply applications.
This makes it possible to have a ground-based input
driving a single supply amplifier with ground acting
as the second or bottom supply of the amplifier.
Power Operational Amplifiers
FEATURES
♦ LOW COST
♦ WIDE BANDWIDTH - 1.1 Mhz
♦ HIGH OUTPUT CURRENT - 1.5A PER AMPLIFIER
♦ WIDE COMMON MODE RANGE Includes negative
supply
♦ WIDE SUPPLY VOLTAGE RANGE Single supply:
5V to 40V Split supplies: ± 2.5V to ± 20V
♦ LOW QUIESCENT CURRENT
♦ VERY LOW DISTORTION
APPLICATIONS
♦ HALF AND FULL BRIDGE MOTOR DRIVERS
♦ AUDIO POWER AMPLIFIER
Stereo - 11.3W RMS per amplifier
Bridge - 22.6W RMS per two amplifiers
Two Bridges - 45.2W RMS per package
♦ 3 PHASE MOTOR DRIVER
3 Channels - 33.9W RMS per package
♦ IDEAL FOR SINGLE SUPPLY SYSTEMS
5V - Peripherals
12V - Automotive
28V - Avionic
♦ PACKAGING OPTIONS
20-Pin PSOP, JEDEC MO-166-AB (PA162DK)
+Vs
I BIAS
MONITOR
-IN
+IN
OUT
THERMAL
PROTECT
-Vs
FIGURE 1. Equivalent schematic (one channel)
Copyright © Cirrus Logic, Inc. 2009
(All Rights Reserved)
PA162U
www.cirrus.com
AUG 2010
1
APEX - PA162UREVC