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IS31AP2010B-UTLS2-TR

Description
audio amplifiers 3W@5V class-D audio pwr amp
Categorysemiconductor    Other integrated circuit (IC)   
File Size371KB,13 Pages
ManufacturerAll Sensors
Environmental Compliance  
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IS31AP2010B-UTLS2-TR Overview

audio amplifiers 3W@5V class-D audio pwr amp

IS31AP2010B-UTLS2-TR Parametric

Parameter NameAttribute value
ManufactureISSI
Product CategoryAudio Amplifiers
ProducClass-D
TypeM
Output Powe3 W
THD plus Noise0.18 %
Maximum Operating Temperature+ 85 C
Mounting StyleSMD/SMT
Package / CaseUTQFN-9
PackagingReel
Factory Pack Quantity3000
IS31AP2010B
3W@5.0V MONO FILTER-LESS CLASS-D AUDIO POWER AMPLIFIER
April 2013
GENERAL DESCRIPTION
The IS31AP2010B is a high efficiency, 3W@5.0V
mono filter-less Class-D audio power amplifier. A low
noise, filter-less PWM architecture eliminates the
output filter, reduces external component count,
system cost, and simplifying design.
Operating in a single 5.0V supply, IS31AP2010B is
capable of driving 4Ω speaker load at a continuous
average output of 3W@10% THD+N. The
IS31AP2010B has high efficiency with speaker load
compared to a typical class- AB amplifier.
In cellular handsets, the earpiece, speaker phone, and
melody ringer speaker can each be driven by the
IS31AP2010B. The gain of IS31AP2010B is externally
configurable which allows independent gain control
from multiple sources by summing signals from each
function.
IS31AP2010B is available in
UTQFN-9 packages.
It
operates from 2.7V to 5.5V over the temperature range
of -40°C to +85°C.
FEATURES
5.0V supply at THD+N = 10%
―3W
into 4Ω (Typ.)
―1.68W
into 8Ω (Typ.)
Efficiency at 5.0V
―85%
at 400mW with a 4Ω speaker
―88%
at 400mW with an 8Ω speaker
Less than 1μA shutdown current
Optimized PWM output stage eliminates LC output
filter
Fully differential design reduces RF rectification
and eliminates bypass capacitor
Improved CMRR eliminates two input coupling
capacitors
Integrated click-and-pop suppression circuitry
UTQFN-9 package
RoHS compliant and 100% lead(Pb)-free
APPLICATIONS
Wireless or cellular handsets and PDAs
Portable DVD player
Notebook PC
Portable radio
Educational toys
Portable gaming
TYPICAL APPLICATION CIRCUIT
V
Battery
C
S
1 F
C
IN-
0.1 F
R
IN-
150k
B1,B2
0.1 F
VCC
OUT+
OUT-
IN-
C3
A3
C1
A1
Differential
Input
C
IN+
0.1 F
R
IN+
150k
IN+
IS31AP2010B
Shutdown
Control
100k
C2
SDB
GND
A2,B3
Figure 1
Typical Application Circuit
Integrated Silicon Solution, Inc. – www.issi.com
Rev.B, 04/10/2013
1

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