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PT2305-HT 查看數據表(PDF) - Princeton Technology
零件编号
产品描述 (功能)
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PT2305-HT
2.5W × 2 Class AB Audio Power Amplifier
Princeton Technology
PT2305-HT Datasheet PDF : 27 Pages
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2.5W × 2 Class AB Audio Power Amplifier
Tel: 886-2-66296288
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
PT2305
ELECTRICAL CHARACTERISTICS
(Unless otherwise, Vcc=5V, bandwidth=22 ~ 22KHz)
Parameter
Symbol
Conditions
Supply voltage
V
DD
Operating current
Two channels gain error
Is
Gerr
Vin=0V
V
shutdown
=V
DD
RIN=RF=20K
Ω
THD+N
THD
Po=1W, RL=8
Ω
Po=340mW, RL=32
Ω
THD=1%, RL=3
Ω
THD=1%, RL=4
Ω
Power output
Po
THD=10%, RL=4
Ω
THD=1%, RL=8
Ω
THD=10%, RL=8
Ω
Signal-to-noise ratio
SNR
Pout=1.1W, RL=8
Ω
,
A-Weighted
Residual noise
Vno
A-Weighted
Output offset
Voff
Vin=0V, +OUT ~ -OUT
Channel separation
CS
F=1KHz
Power supply
rejection ratio
Volume control range
PSRR
Vatt
C
B
=1.0
µ
F, f=120Hz
V
RIPPLE
=200mVrms: R
L
= 8
Ω
DC Vol=5V F=1KHz
DC Vol=0V
Volume setup step
Gstep
Vatt=0 ~ -51dB
Mute
mute
DC Vol=0V
Temperature protect
TH
TSSOP
SOP
Overheat close
Back to work
Overheat close
Back to work
Shutdown voltage
V
SD
Shutdown on
Shutdown off
Mute voltage
V
MT
Mute on
Mute off
Min.
2.7
-
-
-
-
-
-
-
-
1.0
-
-
25
-
-
-
-0.75
-75
-
-78
-
-
-
-
0.5
-
0.5
-
Typ.
5
15
0.7
0
0.3
1
2.2
2
2.5
1.1
1.5
Max. Unit
6V
30 mA
2.0 µA
±1 dB
-
-
%
-
-
-W
-
-
93
- dB
40 50 µV
10 ±50 mV
70
- dB
74
- dB
0
-78
+0.75
-
dB
0
1 dB
-
- dB
150 -
105
-
℃
135 -
105 -
0.6
0.2
-
0.3
V
DD
0.6
0.2
-
0.3
V
DD
PT2305 V1.1
-9-
May, 2005
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