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PA7493-D16-T Datasheet

  • PA7493-D16-T

  • 2W X 2 CLASS AB AUDIO POWER AMPLIFIER (WITH DC_VOLUME CONTRO...

  • 7頁

  • UTC-IC

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UNISONIC TECHNOLOGIES CO., LTD
PA7493
2W X 2 CLASS AB AUDIO
POWER AMPLIFIER (WITH
DC_VOLUME CONTROL)
DESCRIPTION
UTC
PA7493
provides precise DC volume control, and a
stereo bridged audio power amplifiers capable of producing 2W
into 4鈩?as a monolithic integrated circuit. In stand-by the power
consumption is very low. UTC
PA7493
combines a stereo
single-end (SE) mode for headphone drive into a single chip and a
stereo bridge-tied loads (BTL) mode for speaker drive(both modes
are easily switched by the SE/BTL input control signal) to simplify
the audio system design. Package size is not occupies PCB space
cause the built-in over-temperature protection. It is suitable for
small or portable products.
CMOS IC
*Pb-free plating product number: PA7493L
FEATURES
* Stereo switch able bridged/single-ended power amplifiers
* Output power 2W 脳 2 (V
CC
=6V, THD=1%, R
L
=4鈩?
* Low harmonics distortion
* Include 32 steps volume controller by DC voltage with hysteresis
* 鈥淐lick and pop鈥?suppression circuitry
* Low current consumption in SHUTDOWN Mode(0.7碌A(chǔ))
* Thermal shutdown
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
PA7493-D16-T
PA7493L-D16-T
Package
DIP-16
Packing
Tube
www.unisonic.com.tw
Copyright 漏 2007 Unisonic Technologies Co., Ltd
1 of 7
QW-R502-113.B

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