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What is IS31AP4915A?

This electronic component, produced by the manufacturer "ISSI", performs the same function as "CHARGE PUMP CERAMIC SPEAKER DRIVER".


IS31AP4915A Datasheet PDF - ISSI

Part Number IS31AP4915A
Description CHARGE PUMP CERAMIC SPEAKER DRIVER
Manufacturers ISSI 
Logo ISSI Logo 


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IS31AP4915A
20VP-P CHARGE PUMP CERAMIC SPEAKER DRIVER
August 2013
GENERAL DESCRIPTION
The IS31AP4915A features a mono power amplifier
with an integrated charge-pump power supply
specifically designed to drive the high capacitance of
a ceramic loudspeaker.
The IS31AP4915A maximizes battery life by offering
high performance efficiency.
The IS31AP4915A is ideally suited to deliver the high
output-voltage swing required to drive
ceramic/piezoelectric speakers.
The device utilizes comprehensive click-and-pop
suppression and shutdown control. The
IS31AP4915A is fully specified over the -40°C to
+85°C extended temperature range and is available
in small lead-free 16-pin QFN (4mm × 4mm)
packages.
FEATURES
Integrated charge-pump power supply - no
inductor required
Thermal protection
Pop reduction circuitry
20VP-P voltage swing into piezoelectric speaker
QFN-16, 4mm × 4mm
ESD (HBM): 2kV
ESD (MM): 200V
APPLICATIONS
CD/MP3 players
Smart phones
Cellular phones
PDAs
Handheld gaming
TYPICAL APPLICATION CIRCUIT
Figure 1 Typical Application Circuit
Integrated Silicon Solution, Inc. – www.issi.com
Rev. B, 08/08/2013
1

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IS31AP4915A equivalent
IS31AP4915A
TYPICAL OPERATING CHARACTERISTICS
20
VCC = 2.7V
5 RL = 10+1µH
1
20
VCC = 3.6V
5 RL = 10+1µH
1
0.1
VOUT = 3.0Vrms
0.0 1
VOUT = 1.25Vrms
0.0 0 1
20
50 100 200 500 1k 2k
Frequency(H z)
Figure 2 THD+N vs. Frequency
20
VCC = 5.0V
5 RL = 10+1µH
5k 10k 20k
1
0.1
0.0 1
0.0 0 1
20
8
VOUT = 6.0Vrms
VOUT = 3.0Vrms
50 100 200 500 1k 2k
Frequency(H z)
Figure 4 THD+N vs. Frequency
5k 10k 20k
7
6
5
4
3
2
2.5 3 3.5 4 4.5 5
Supply Voltage(V)
Figure 6 Supply Current vs. Supply Voltage
5.5
0.1
0.0 1
VOUT = 2.0Vrms
VOUT = 4.0Vrms
0.0 0 1
20
50 100 200 500 1k 2k
Frequency(H z)
Figure 3 THD+N vs. Frequency
20
RL = 10+1µH
5 f = 1kHz
5k 10k 20k
1
VCC = 2.7V
0.1
0.0 1
VCC = 3.6V
VCC = 5.0V
0.0 0 1
500m 1 2 3 4 5 6
Output Voltage(V)
Figure 5 THD+N vs. Output Voltage
70
VCC = 5V
60 f = 1kHz
7
50
40
30
20
10
0
01 23 456
Output Voltage(VRMS)
Figure 7 Supply Current vs. Output Voltage
8
7
Integrated Silicon Solution, Inc. – www.issi.com
Rev. B, 08/08/2013
5


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Featured Datasheets

Part NumberDescriptionMFRS
IS31AP4915The function is 20VP-P CHARGE PUMP CERAMIC SPEAKER DRIVER. ISSIISSI
IS31AP4915AThe function is CHARGE PUMP CERAMIC SPEAKER DRIVER. ISSIISSI

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