2-Channel 300mW Class AB Power Amplifier
ABSOLUTE MAXIMUM RATING
Parameter
Supply voltage
Operating temperature
Symbol
VDD
Topr
Storage temperature
Tstg
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PT2308P
Rating
Unit
8
V
-40∼+85
℃
-65∼+150
℃
ELECTRONICAL CHARACTERISTICS
(Unless otherwise specified, VDD=5V, VSS=0V, Ta=25℃, fin=1KHz, RL=8Ω)
Parameter Symbol
Condition
Min. Typ.
Supply voltage
Supply current
Input offset
voltage
VDD
IDD
VI(OS)
No Load
2.7
5
-
3
-
5
Total harmonic
distortion
THD+N
PO=200mW, RL=8Ω, F=1KHZ
PO=120mW, RL=16Ω, F=1KHZ
-
0.04
-
0.03
THD=0.2%, f=1KHz, RL=8Ω
200 250
Maximum
Output Power
PO
THD=0.2%, f=1KHz, RL=16Ω
THD=10%, f=1KHz, RL=8Ω
100 130
250 300
THD=10%, f=1KHz, RL=16Ω
160 190
Output noise
VN
-
20
VDD=3V
Supply current
Input offset
voltage
IDD
VI(OS)
No Load
-
2
-
5
Total harmonic
distortion
THD+N
PO=50mW, RL=8Ω, F=1KHZ
PO=40mW, RL=16Ω, F=1KHZ
-
0.02
-
0.02
THD=0.2%, f=1KHz, RL=8Ω
60
80
Maximum
output power
PO
THD=0.2%, f=1KHz, RL=16Ω
THD=10%, f=1KHz, RL=8Ω
40
50
70
100
THD=10%, f=1KHz, RL=16Ω
55
70
Output noise
VN
-
20
Max. Unit
5.5
V
4
mA
50 mV
0.1 %
0.06 %
-
mW
-
mW
-
mW
-
mW
50 µV
3
mA
50 mV
0.05 %
0.05 %
-
mW
-
mW
-
mW
-
mW
50 µV
PT2308P V1.0
-7-
November, 2005