A2323
AUDIO AMPLIFIER
AiT Semiconductor Inc.
www.ait-ic.com
2.65W CLASS-D AUDIO POWER AMPLIFIER
ELECTRICAL CHARACTERISTICS
Test Condition : TA= 25℃(unless otherwise noted)
Parameter
Symbol
Conditions
Min.
Typ.
Max. Unit
Electric Characteristic
Input Voltage Range
VDD
2.5
1.3
0
5.5
VDD
0.35
25
V
V
High-level input VIH
SHUTDOWN
SHUTDOWN
Low-level input
VIL
|VOS|
V
Output offset voltage
Quiescent Current
Shut down Current
Power Supply Rejection
Ratio
VIN=0V，AV=2V/V，VDD=2.5V to 5.5V
VDD=3.6V
5
mV
mA
μA
IQ
2.6
0.1
VDD=3.6V， SHUTDOWN =0V
ISD
PSRR
CMRR
217Hz
-70
-70
dB
dB
Common Mode
Rejection Ratio
Switching frequency
fSW
VDD=2.5V to 5.5V
800
315 kΩ
kHz
V/V
Amplifier Gain
Gain
RIN
Operation Characteristic
THD+N=10%,f=1kHz, RL=4Ω, VDD=5V
THD+N=1%,f=1kHz, RL=4Ω, VDD=5V
THD+N=10%,f=1kHz, RL=8Ω, VDD=5V
THD+N=1%,f=1kHz, RL=8Ω, VDD=5V
THD+N=10%,f=1kHz, RL=4Ω, VDD=4.2V
THD+N=1%,f=1kHz, RL=4Ω, VDD=4.2V
THD+N=10%,f=1kHz, RL=8Ω, VDD=4.2V
THD+N=1%,f=1kHz, RL=8Ω, VDD=4.2V
THD+N=10%,f=1kHz, RL=4Ω, VDD=3.6V
THD+N=1%,f=1kHz, RL=4Ω, VDD=3.6V
THD+N=10%,f=1kHz, RL=8Ω, VDD=3.6V
THD+N=1%,f=1kHz, RL=8Ω, VDD=3.6V
VDD=5V, PO=0.6W, RL=8Ω, f=1kHz
2.65
2.15
1.70
1.35
1.85
1.50
1.15
0.90
1.35
1.05
0.85
0.65
0.1
Output Power
PO
W
%
%
Total Harmonic
THD+N VDD=4.2V, PO=0.4W, RL=8Ω, f=1kHz
VDD=3.6V, PO=0.3W, RL=8Ω, f=1kHz
0.1
Distortion + Noise
0.1
%
Efficiency
Start Time
η
VDD=5V, PO=1W, RL=8Ω, f=1kHz
90
%
tST
40
ms
REV3.0
- MAY 2013 RELEASED, APR 2016 UPDATED -
- 4 -
AITSEMI [ AiT Semiconductor ]
