PT2303 데이터 시트보기 (PDF) - Princeton Technology
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PT2303 Datasheet PDF : 17 Pages
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2W × 2 Class AB Audio Power Amplifier
ELECTRICAL CHARACTERISTICS
(Unless otherwise specified, VDD=5V, bandwidth=22~22KHz)
Parameter
Symbol
Condition
Supply voltage
VDD
SE Mode
Operating current
Is
BTL Mode
Shutdown=ON
Two channels gain error
Gerr
Ri=Rf=20KΩ
Po=0.2W, RL=4Ω
THD+N
THD
Po=1W, RL=4Ω
Po=50mW, RL=32Ω
THD=1%, RL=8Ω
Power output
BTL
Po
THD=10%, RL=8Ω
THD=1%, RL=4Ω
THD=10%, RL=4Ω
SE
THD=1%, RL=32Ω
THD=10%, RL=32Ω
Signal-to-Noise
SNR
A-Weighted
Residual noise
Vno
A-weighted
Output offset
Voff
+OUT ~ -OUT
Channel separation
CS
BTL
SE
F=1KHz
Power Signal-to-Noise
repel rate
Temperature protect
PSRR
TH
BTL
SE
Overheat close
Back to work
F=100Hz
-
-
Shutdown voltage
VSD
Shutdown ON
Shutdown OFF
VDD=3~5V
Shutdown pin
SE/BTL voltage
VSB
SE
BTL
VDD=3~5V
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Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2303
Min.
3
4
6
0.1
-1
0.03
0.06
0.03
1.0
1.2
1.4
1.8
80
100
95
-
2
80
80
60
40
-
85
0.45
-
0.75
-
Typ.
5
6
8
0.5
0
0.05
0.08
0.05
1.1
1.4
1.6
2.0
85
110
100
35
10
90
85
70
45
130
100
0.6
0.15
0.8
0.2
Max.
6
10
12
1
+1
0.07
0.15
0.08
1.2
1.6
1.8
2.1
90
120
-
50
30
100
95
80
50
140
-
-
0.2
-
0.3
Unit
V
mA
µA
dB
%
W
mW
dB
µV
mV
dB
dB
℃
VDD
VDD
PT2303 V1.2
-8-
December, 2007
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