AiT Semiconductor Inc.
A2203
www.ait-ic.com
AUDIO AMPLIFIER
1.1 WATT AUDIO POWER AMPLIFIER
ELECTRICAL CHARACTERISTICS
The following specifications apply for the circuit shown in Figure 1, unless otherwise specified.
Limits apply for TA = 25℃.
VDD = 5V
Parameter
Quiescent Power Supply
Current
Symbol
IDD
Conditions
VIN = 0V, 8Ω Load
VIN = 0V, No Load
Min.
-
-
Typ. Max.
Unit
mA
mA
uA
V
3.0
2.5
0.1
-
8
7
2
Shutdown Current
ISD
VIN=0V, VSHD=GND, No Load
-
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Total Harmonic
VSDIH
VSDIL
VOS
1.2
-
-50
-
-
6
0.9
50
V
mV
THD+N
PO
POUT =0.5Wrms, f=1kHz,
-
0.07
1.1
-
-
%
W
Distortion+Noise
THD+N<=1%, f=1kHz,
8Ω Load
Output Power
0.9
Input terminated with 10Ω,
VDDRIPPLE=0.2VP-P, f=217Hz
Input terminated with 10Ω,
VDDRIPPLE=0.2VP-P, f=1kHz
-
60
-
dB
Power Supply Rejection Ratio
Wake-up time
PSRR
tWU
-
-
61
-
-
dB
ms
100
VDD = 3V
Parameter
Quiescent Power Supply
Current
Shutdown Current
Shutdown Voltage Input High
Shutdown Voltage Input Low
Output Offset Voltage
Total Harmonic
Symbol
IDD
Conditions
VIN = 0V, 8Ω Load
VIN = 0V, No Load
Min.
-
-
Typ. Max.
Unit
mA
mA
uA
V
2
1.5
0.1
-
7
6
2
ISD
VIN=0V, VSHD=GND, No Load
-
VSDIH
VSDIL
VOS
1.0
-
-50
-
-
6
0.7
50
V
mV
THD+N
PO
POUT =0.25Wrms, f=1kHz,
-
-
0.08
310
-
-
%
Distortion+Noise
THD+N<=1%, f=1kHz,
8Ω Load
Output Power
mW
Input terminated with 10Ω,
VDDRIPPLE=0.2VP-P, f=217Hz
Input terminated with 10Ω,
VDDRIPPLE=0.2VP-P, f=1kHz
-
57
-
dB
Power Supply Rejection Ratio
Wake-up time
PSRR
tWU
-
-
58
75
-
-
dB
ms
REV2.1
- JUL 2008 RELEASED, SEP 2018 UPDATED -
- 4 -
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