IS31AP2036-QFLS2-TR Datasheet, PDF (1/17 Pages) Integrated Silicon Solution, Inc – HIGH EFFICIENCY, CLASS-K AUDIO POWER AMPLIFIER WITH INTEGRATED CHARGE PUMP CONVERTER

IS31AP2036
HIGH EFFICIENCY, CLASS-K AUDIO POWER AMPLIFIER
WITH INTEGRATED CHARGE PUMP CONVERTER
February 2016
GENERAL DESCRIPTION
The IS31AP2036 is a Class-K audio power amplifier with
high efficiency and automatic gain control. It drives up to
2.0W (10% THD+N) into an 8Ω speaker from a 4.2V V_CC
supply.
The IS31AP2036 integrates advanced high efficiency
charge pump and whole power amplifier efficiency can
be up to 75%. The output power will be maintained in
0.8W, 1.0W and 1.2W.
The IS31AP2036 provides low cost, space saving
solution for portable equipments which need audio
output with higher power by boosting up supply voltage.
Its external components just include a few capacitors
and resistors (no inductor).
The IS31AP2036 use fully differential design to reduce
RF noise. The IS31AP2036 integrates de-pop circuitry to
reduce pop and click noise during power on/off or
shutdown enable operation. The IS31AP2036 also
integrates thermal and short circuit protection function.
IS31AP2036 is available in FCQFN-16 (2mm × 2mm)
package. It operates from 3.0V to 5.0V over the
temperature range of -40°C to +85°C.
FEATURES
 Operates from 3.0V to 5.0V
 Ultra low output noise floor
 Low EMI
 -72dB (217Hz) high PSRR
 0.05% low THD+N
 AGC function
 Pulse Count Control serial interface
 Output power in 0.8W, 1W and 1.2W levels
 Thermal and short-circuit protection
 Integrated Click-and-Pop suppression circuitry
 Available in FCQFN-16 (2mm × 2mm) package
APPLICATIONS
 Smart phones
 Cellular phones
 PDAs
 GPS
 Portable electronics
TYPICAL APPLICATION CIRCUIT
VBattery
A3,B3
VCC
D3
PVCC
4.7 F
0.1 F
4.7 F
Mode Control
Differential
Input
CIN
15nF
CIN
15nF
100k
RIN
3k
220pF
RIN
3k
C1
C1N
D2 2.2 F
A4
C1P
SDB
B1,B2
C2N
IS31AP2036 ^{C2P D1 2.2 F}
B4
OUT
A1
IN+
1nF
D4
OUT
A2
IN-
1nF
C2~C4
GND
Figure 1 Typical Application Circuit (Differential Input)
Integrated Silicon Solution, Inc. – www.issi.com
1
Rev. D, 02/03/2016