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FILTER-LESS CLASS-D. IS31AP2145A Datasheet

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FILTER-LESS CLASS-D. IS31AP2145A Datasheet






IS31AP2145A CLASS-D. Datasheet pdf. Equivalent




IS31AP2145A CLASS-D. Datasheet pdf. Equivalent





Part

IS31AP2145A

Description

MONO CLIP-LESS & FILTER-LESS CLASS-D



Feature


IS31AP2145A 2.9W@5.0V MONO CLIP-LESS & F ILTER-LESS CLASS-D AUDIO POWER AMPLIFIE R December 2011 GENERAL DESCRIPTION The IS31AP2145A is a 2.9W@5.0V mono, clip- less, filter-less, high efficiency Clas s-D audio power amplifier with automati c gain control. The IS31AP2145A integra tes AGC (Automatic Gain Control) functi on to automatically prevent distortion of the audio signa.
Manufacture

ISSI

Datasheet
Download IS31AP2145A Datasheet


ISSI IS31AP2145A

IS31AP2145A; l by which we can enhance audio quality and also protect the speaker from damag e at high power levels. The AGC functio n and its attack time/release time are selectable via the CTRL pin. The IS31AP 2145A also provides thermal and over cu rrent protection functions. In addition to these features, 90% high efficiency , improved RF-rectification immunity, a fast start-up tim.


ISSI IS31AP2145A

e and small package size make IS31AP2145 A ideal choice for cellular handsets, P DAs and other portable applications. IS 31AP2145A is available in a 1.5mm×1.5m m UTQFN-9 package. FEATURES Filter-less Class-D architecture AGC en able/disable function 2.9W into 4Ω at 5.0V (10% THD+N) Power supply range: 2 .7V to 5.5V Selectable attack and relea se times Minimum exte.


ISSI IS31AP2145A

rnal components High efficiency: 90% Cli ck-and-pop suppression Low shutdown cur rent: 0.1μA Short-circuit and thermal protection Space-saving UTQFN-9, 1.5mm × 1.5mm APPLICATIONS Wireless or cellular handsets and PDAs Portable navigation devices Portable DVD player Notebook PC Educational toys USB speake rs Portable gaming TYPICAL APPLICATION CIRCUIT http://www.

Part

IS31AP2145A

Description

MONO CLIP-LESS & FILTER-LESS CLASS-D



Feature


IS31AP2145A 2.9W@5.0V MONO CLIP-LESS & F ILTER-LESS CLASS-D AUDIO POWER AMPLIFIE R December 2011 GENERAL DESCRIPTION The IS31AP2145A is a 2.9W@5.0V mono, clip- less, filter-less, high efficiency Clas s-D audio power amplifier with automati c gain control. The IS31AP2145A integra tes AGC (Automatic Gain Control) functi on to automatically prevent distortion of the audio signa.
Manufacture

ISSI

Datasheet
Download IS31AP2145A Datasheet




 IS31AP2145A
IS31AP2145A
2.9W@5.0V MONO CLIP-LESS & FILTER-LESS CLASS-D
AUDIO POWER AMPLIFIER
December 2011
GENERAL DESCRIPTION
FEATURES
The IS31AP2145A is a 2.9W@5.0V mono, clip-less,
filter-less, high efficiency Class-D audio power
amplifier with automatic gain control.
The IS31AP2145A integrates AGC (Automatic Gain
Control) function to automatically prevent distortion of
the audio signal by which we can enhance audio
quality and also protect the speaker from damage at
high power levels. The AGC function and its attack
time/release time are selectable via the CTRL pin. The
IS31AP2145A also provides thermal and over current
protection functions.
In addition to these features, 90% high efficiency,
improved RF-rectification immunity, a fast start-up time
and small package size make IS31AP2145A ideal
choice for cellular handsets, PDAs and other portable
applications.
IS31AP2145A is available in a 1.5mm×1.5mm
UTQFN-9 package.
Filter-less Class-D architecture
AGC enable/disable function
2.9W into 4at 5.0V (10% THD+N)
Power supply range: 2.7V to 5.5V
Selectable attack and release times
Minimum external components
High efficiency: 90%
Click-and-pop suppression
Low shutdown current: 0.1μA
Short-circuit and thermal protection
Space-saving UTQFN-9, 1.5mm × 1.5mm
APPLICATIONS
Wireless or cellular handsets and PDAs
Portable navigation devices
Portable DVD player
Notebook PC
Educational toys
USB speakers
Portable gaming
TYPICAL APPLICATION CIRCUIT
http://www.DataSheet4U.net/
VBattery
1F
A2
VDD
0.1 F
B2
VREF
1F
Differential In
CTRL1
CTRL2
R1
R2
R3
CIN
33nF A1
A3
OUT+
IN+
C1 IS31AP2145A
IN-
CIN
33nF
C3
OUT-
C2
CTRL
0.1 F
B1,B3
GND
Figure 1 Typical Application Circuit (Differential Input)
Integrated Silicon Solution, Inc. – www.issi.com
Rev.A, 11/20/2011
1
datasheet pdf - http://www.DataSheet4U.net/




 IS31AP2145A
IS31AP2145A
Figure 2 Typical Application Circuit (Single-Ended Input)
http://www.DataSheet4U.net/
Integrated Silicon Solution, Inc. – www.issi.com
Rev.A, 11/20/2011
2
datasheet pdf - http://www.DataSheet4U.net/




 IS31AP2145A
IS31AP2145A
PIN CONFIGURATION
Package
Pin Configuration (Top View)
UTQFN-9
PIN DESCRIPTION
No. Pin
A1
A2
A3
B1, B3
B2
C1
C2
C3
IN+
VDD
OUT+
GND
VREF
IN-
CTRL
OUT-
Description
Positive input terminal.
Power supply.
Positive output terminal.
Ground.
Analog reference power supply terminal.
Negative input terminal.
Power down and AGC control terminal.
Negative output terminal.
http://www.DataSheet4U.net/
Copyright © 2011 Integrated Silicon Solution, Inc. All rights reserved. ISSI reserves the right to make changes to this specification and its products at any 
time without notice. ISSI assumes no liability arising out of the application or use of any information, products or services described herein. Customers are 
advised to obtain the latest version of this device specification before relying on any published information and before placing orders for products. 
Integrated Silicon Solution, Inc. does not recommend the use of any of its products in life support applications where the failure or malfunction of the 
product can reasonably be expected to cause failure of the life support system or to significantly affect its safety or effectiveness. Products are not 
authorized for use in such applications unless Integrated Silicon Solution, Inc. receives written assurance to its satisfaction, that: 
a.) the risk of injury or damage has been minimized; 
b.) the user assume all such risks; and 
c.) potential liability of Integrated Silicon Solution, Inc is adequately protected under the circumstances
Integrated Silicon Solution, Inc. – www.issi.com
Rev.A, 11/20/2011
3
datasheet pdf - http://www.DataSheet4U.net/



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