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APA2065JI-TR Datasheet(PDF) 1 Page - Anpec Electronics Coropration

Part # APA2065JI-TR
Description  Stereo 2.7-W Audio Power Amplifier (with DC_Volume Control)
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APA2065JI-TR Datasheet(HTML) 1 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.4 - Aug., 2005
APA2065
www.anpec.com.tw
1
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and advise
customers to obtain the latest version of relevant information to verify before placing orders.
Stereo 2.7-W Audio Power Amplifier (with DC_Volume Control)
Features
Low Operating Current with 14mA
Improved Depop Circuitry to Eliminate
Turn-on and Turn-off Transients in Outputs
High PSRR
32 Steps Volume Adjustable by DC Voltage
with Hysteresis
2W per Channel Output Power into 4
Ω Load
at 5V, BTL Mode
Two Output Modes Allowable with BTL
and SE Modes Selected by SE/BTL pin
Low Current Consumption in Shutdown Mode
(50
µA)
Short Circuit Protection
Power Off Depop Circuit Integration
PDIP-16 & SOP-16 Packages Available
Lead Free Available (RoHS Compliant)
Applications
General Description
APA2065 is a monolithic integrated circuit, which
provides precise DC volume control, and a stereo
bridged audio power amplifiers capable of producing
2.7W(2.0W) into 3
Ω with less than10%(1.0%) THD+N.
The attenuator range of the volume control in APA2065
is from 20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V)
with 32 steps. The advantage of internal gain setting
can be less components and PCB area. Both of the
depop circuitry and the thermal shutdown protection
circuitry are integrated in APA2065, that reduce pops
and clicks noise during power up or shutdown mode
operation. It also improves the power off pop noise
and protects the chip from being destroyed by over
temperature and short current failure. To simplify the
audio system design, APA2065 combines a stereo
bridge-tied loads (BTL) mode for speaker drive and a
stereo single-end (SE) mode for headphone drive into
a single chip, where both modes are easily switched
by the SE/BTL input control pin signal.
NoteBook PC
LCD Monitor or TV


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