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參數(shù)資料
| 型號： | 3718 |
| 廠商： | Allegro MicroSystems, Inc. |
| 英文描述： | DIODE SCHOTTKY DUAL COMMON-ANODE 30V 150mW 0.38V-vf 200mA-IFM 1mA-IF 0.2uA-IR SOT-523 3K/REEL |
| 中文描述： | 低壓音頻功率放大器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大?。?/td> | 88K |
| 代理商： | 3718 |
3718
LOW-VOLTAGE AUDIO POWER AMPLIFIER
115 Northeast Cutoff, Box 15036
Worcester, Massachusetts 01615-0036 (508) 853-5000
Copyright 1985, 1995, Allegro MicroSystems, Inc.
Limits
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Units
Supply Voltage Range
V
CC
1.8
3.0
9.0
V
Quiescent Supply Current
I
CC
V
CC
= 3.0 V
—
6.0
10
mA
V
CC
= 6.0 V
—
9.0
15
mA
V
CC
= 9.0 V
—
12
20
mA
Voltage Gain
A
V
36
40
44
dB
Audio Power Output
P
OUT
R
L
= 8
, V
CC
= 3.0 V, THD = 10%
—
80
—
mW
R
L
= 8
, V
CC
= 6.0 V, THD = 10%
250
430
—
mW
R
L
= 32
, V
CC
= 3.0 V, THD = 10%
15
25
—
mW
R
L
= 32
, V
CC
= 6.0 V, THD = 10%
—
125
—
mW
Distortion
THD
P
OUT
= 10 mW
—
0.3
1.0
%
P
OUT
= 1.0 mW, V
CC
= 1.8 V
—
1.5
3.0
%
Output Noise
V
out
Input Shorted, BW = 80 kHz
—
200
500
μ
V
Input Resistance
R
IN
Pin 8
—
250
—
k
Power Supply Rejection
PSRR
C
D
(Pin 1) = 500
μ
F, f = 120 Hz
—
28
—
dB
ELECTRICAL CHARACTERISTICS at T
A
= +25
°
C, V
CC
= 3 V, R
L
= 32
, f
in
= 400 Hz
(unless otherwise noted).
TEST CIRCUIT AND TYPICAL
APPLICATION
50
75
100
125
150
0.5
0
A
TEMPERATURE IN
°
C
2.0
1.5
1.0
25
Dwg. GP-009-1B
R = 55
°
C/W
FREE AIR, R = 80
°
C/W
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