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PDF IS31AP2031 Data sheet ( Hoja de datos )
| Número de pieza | IS31AP2031 | |
| Descripción | CLASS-G AUDIO POWER AMPLIFIER | |
| Fabricantes | ISSI | |
| Logotipo |  |
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IS31AP2031
CLASS-G AUDIO POWER AMPLIFIER
WITH INTEGRATED CHARGE PUMP CONVERTER
January 2012
GENERAL DESCRIPTION
The IS31AP2031 is a Class-G audio power amplifier
with automatic gain control. It drives up to 2.0W (10%
THD+N) into an 8Ω speaker from a 4.2V VDD supply.
The IS31AP2031 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 IS31AP2031 use fully differential design to reduce
RF noise. The IS31AP2031 integrates de-pop circuitry to
reduce pop and click noise during power on/off or
shutdown enable operation. The IS31AP2031 also
integrates thermal and short circuit protection function.
IS31AP2031 is available in QFN-20 (3mm × 3mm)
package. It operates from 2.7V to 4.5V over the
temperature range of -40°C to +85°C.
FEATURES
Operates from 2.7V to 4.5V
2.0W into an 8Ω load from a 4.2V supply(10%
THD+N)
4 gain levels: 12dB, 16dB, 24dB, 27.5dB
AGC function
Pulse Count Control serial interface
8kV HBM ESD
Thermal and short-circuit protection
Integrated Click-and-Pop suppression circuitry
Available in QFN-20(3mm × 3mm) package
APPLICATIONS
Smart phones
Cellular phones
PDAs
GPS
Portable electronics
TYPICAL APPLICATION CIRCUIT
VBattery
10 F
VDDhttp://www.DataSheet4U.net/
0.1 F
AVIN
0.1 F
10V
10 F
Mode Control
100k
Differential
Input
CIN
22nF
RIN
10k
CIN
22nF
RIN
10k
SDB
CP
CN
IS31AP2031
IN+ OUT
IN-
OUT
100k
FS
GND
Figure 1 Typical Application Circuit (Differential Input)
4.7 F
Integrated Silicon Solution, Inc. – www.issi.com
Rev.A, 12/28/2011
1
datasheet pdf - http://www.DataSheet4U.net/
1 page  
IS31AP2031
ABSOLUTE MAXIMUM RATINGS
Supply voltage, VDD
Voltage at any input pin
Maximum junction temperature, TJMAX
Storage temperature range, TSTG
Operating temperature range, TA
ESD (HBM)
-0.3V ~ +6.0V
-0.3V ~ VDD+0.3V
150°C
-65°C ~ +150°C
-40°C ~ +85°C
8kV
Note:
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only
and functional operation of the device at these or any other condition beyond those indicated in the operational sections of the specifications is
not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
DC CHARACTERISTICS
TA = 25°C, VDD = 2.7V ~ 4.5V, unless otherwise noted. Typical value are TA = +25°C, VDD = 3.6V.
Symbol Parameter
Condition
Min. Typ.
VDD
IDD
ISD
FOSC
VAVIN
tON
|VOS|
Supply voltage
Quiescent current
Shutdown current
Clock frequency
Charge pump output
Charge pump soft start time
Output offset voltage
RIN Input resistor
FSW
VIH
VIL
IIH
IIL
TOTP
THYS
Switching frequency
Input logic high voltage
Input logic low voltage
Input logic high current
Input logic low current
Over temperature protection
Hysteresis temperature
VDD = VAVIN = 3.6V, no load
VSDB = 0V
No load
Mode 1, Mode 2
Mode 3, Mode 4
http://www.DataSheet4U.net/
VDD = 5.5V, VI = 5.8V
VDD = 5.5V, VI = 0.3V
(Note 1)
(Note 1)
2.7
5
350
5.7
600
3
30
5
250
1.4
2.1
0.8
150
50
Max. Unit
4.5 V
mA
1 µA
kHz
V
µs
mV
kΩ
kHz
V
0.4 V
µA
µA
°C
°C
Integrated Silicon Solution, Inc. – www.issi.com
Rev.A, 12/28/2011
5
datasheet pdf - http://www.DataSheet4U.net/
5 Page 
IS31AP2031
TAPE AND REEL INFORMATION
http://www.DataSheet4U.net/
Integrated Silicon Solution, Inc. – www.issi.com
Rev.A, 12/28/2011
11
datasheet pdf - http://www.DataSheet4U.net/
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet IS31AP2031.PDF ] | |
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