A2432
AUDIO AMPLIFIER
AiT Semiconductor Inc.
www.ait-ic.com
2X3W CLASS-D WITH DC VOLUME CONTROL AND EARPHONE OUTPUT
ELECTRICAL CHARACTERISTICS (EARPHONE)
VDD =5V, Gain=5.3dB, RL =32Ω, T =25°C, unless otherwise noted
Parameter
Output Power
Total Harmonic
Distortion Plus Noise
Earphone Gain
Power Supply
Symbol
PO
Conditions
THD+N=1%,RL=32Ω
Min.
Typ. Max. Unit
VDD=5.0V
65
0.02
5.3
70
mW
THD+N PO=30mW,RL=32Ω
f=1kHz
%
GV
Earphone Gain
dB
dB
PSRR
VDD=4.2V ±200mVP-P, f=1kHz
Ripple Rejection
VDD=5.0V,PO=0.5W,
RL=8Ω,GV=25dB
VDD=5.0V,VORMS=1V,
GV=25dB
VDD=5.0V,Input AC-GND
VDD=5.0V
Crosstalk
CS
f=1kHz
-80
-92
dB
Signal-to-Noise
Ratio
Output Noise
SNR
VN
f=1kHz
dB
μV
A-weighting
No Load
VSD=0.3V
24
5.8
4.5
Quiescent Current
IQ
mA
VDD=3.6V
Shutdown Current
Output DC Voltage
setup time
ISD
VOS
tst
VDD=2.5V to 5.5V
No Load
Bypass capacitor =1uF
1
μA
V
VDD/2
380
ms
Over Temperature
Protection
Over Temperature
Hysteresis
160
30
TOTP
TOTH
No Load, Junction
Temperature
VDD=5.0V
°C
REV1.1
- MAY 2012 RELEASED, MAR 2017 UPDATED -
- 5 -
AITSEMI [ AiT Semiconductor ]
