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參數(shù)資料
| 型號(hào)： | LC552 |
| 廠(chǎng)商： | Electronic Theatre Controls, Inc. |
| 英文描述： | High Power Class B Amplifier |
| 中文描述： | 高功率B類(lèi)放大器 |
| 文件頁(yè)數(shù)： | 2/3頁(yè) |
| 文件大?。?/td> | 131K |
| 代理商： | LC552 |
2
500 - 58 - 6
0μ1
V
O
R
B
V
B =
1.30 VDC
0μ1
HAMMOND
99966
10μ
0μ1
4
.
7
0μ1
0μ1
R
IN
R
L
= 470
20k
V
I
3k9
820
220
1 kHZ
N/C
10μ
LC552
N/C
10μ
5
6
7
1
9
2
10
11
3
12
4
13
8
14
10μ
10μ
R
F
V
C
200k
10k
ABSOLUTE MAXIMUM RATINGS
CAUTION
CLASS 1 ESD SENSITIVITY
PIN CONNECTION
1
7
14
8
OUTPUT STAGE I/P
MIC BIAS
OUTPUT A
PREAMP I/P
PREAMP GND
DEC A
CURRENT TRIM
PREAMP O/P
V
CC1
FEEDBACK
V
CC2
OUTPUT B
DEC B
Gain
A
V
Output = 0.707 V
RMS
72 75 78 dB
I
TOT
THD
Output = 0.707 V
RMS
- 1.5
Total Current
- 0.77
1.2 mA
Total Harmonic Distortion & Noise
3.0
%
Input Referred Noise
- 0.9
2.5
μ
V
Stable with Battery Resistance to
- -
22
Input Impedance of Output Amplifier
18
27
36 k
Low -
High - 12 - kHz
250
- Hz
Gain Dependence on R
B
-
0.02
- dB /
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX UNITS
ELECTRICAL CHARACTERISTICS
All parameters tested in Test Circuit Fig. 1.
Conditions: Supply voltage V
B
= 1.3 V DC, Temperature ambient = 25
°
C, Frequency = 1 kHz, Noise Filter Bandwidth at 12 dB/oct (0.2 to 10kHz)
Frequency Response (-3 dB at
1 kHz)
O/P GND
All resistors in ohms, all capacitors in farads unless otherwise stated.
I
V
O
R
IN
R
NOTES:
1. Test Circuit Amplifier Gain = 20 Log
10
(
/ V
2. Preamp Gain =
set at 35 dB
Fig. 1 Test Circuit
PARAMETER
VALUE / UNITS
Supply Voltage
3 V
Power Dissipation
200 mW
Operating Temperature
-10 to + 60
o
C
Storage Temperature
-20 to + 70
o
C
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