APA2069_11 Datasheet, PDF (1/23 Pages) Anpec Electronics Coropration – Stereo 2.6W Audio Power Amplifier (with DC_Volume Control)

APA2069
Stereo 2.6W Audio Power Amplifier (with DC_Volume Control)
Features
General Description
• Low Operating Current with 9mA
APA2069 is a monolithic integrated circuit, which pro-
• Improved Depop Circuitry to Eliminate Turn-on
vides precise DC volume control, and a stereo bridged
and Turn-off Transients in Outputs
audio power amplifiers capable of producing 2.6W
• High PSRR
(2W) into 4Ω with less than 10% (1.0%) THD+N. The
• 32 Steps Volume Adjustable by DC Voltage with ^{attenuator range of the volume control in APA2069 is from}
20dB (DC_Vol=0V) to -80dB (DC_Vol=3.54V) with 32
Hysteresis
• 2.6W per Channel Output Power into 4Ω Load
steps. The advantage of internal gain setting can be less
components and PCB area. Both of the depop circuitry
at 5V, BTL Mode
and the thermal shutdown protection circuitry are inte-
• Two Output Modes Allowable with BTL and SE
grated in APA2069, that reduce pops and clicks noise
Modes Selected by SE/BTL Pin
during power up or shutdown mode operation. It also
• Low Current Consumption in Shutdown Mode
improves the power off pop noise and protects the chip
(1µA)
from being destroyed by over temperature and short cur-
• Short Circuit Protection
rent failure. To simplify the audio system design, APA2069
•
combines a stereo bridge-tied loads (BTL) mode for
Thermal Shutdown Protection and Over-Current
speaker drive and a stereo single-end (SE) mode for head-
Protection Circuitry
phone drive into a single chip, where both modes are
• The OUT+ Signal and the IN- Signal are Outphase _{easily switched by the SE/BTL input control pin signal.}
• Power Enhanced Package (DIP-16 / DIP-16A)
• Lead Free and Green Devices Available
(RoHS Compliant)
Pin Configuration
Applications
• NoteBook PC
• LCD Monitor or TV
SHUTDOWN 1
BYPASS 2
RIN- 3
GND 4
GND 5
LIN- 6
VOLUME 7
SE/BTL 8
APA2069
16 ROUT-
15 VDD
14 ROUT+
13 GND
12 GND
11 LOUT+
10 VDD
9 LOUT-
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.
Copyright © ANPEC Electronics Corp.
1
Rev. A.9 - Jul., 2011
www.anpec.com.tw