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參數(shù)資料
| 型號(hào)： | LC522-SOIC |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDSO14 |
| 封裝： | SOIC-14 |
| 文件頁數(shù)： | 1/3頁 |
| 文件大小： | 131K |
| 代理商： | LC522-SOIC |
OUTPUT A
OUTPUT
STAGE
I/P
OUTPUT B
DEC
B
PREAMP
GND
PREAMP
O/P
PREAMP
I/P
470
MIC
BIAS
3
2
13
1
12
7
11
8
9
PREAMP
DEC
A
6
O/P
GND
4
10
5
2.2K
VCC 2
14
CURRENT
TRIM
FEEDBACK
VCC 1
OUTPUT
STAGE
Document No. 500 - 58 - 6
High Power Class B Amplifier
LC552 DATA SHEET
DESCRIPTION
The LC552 is a versatile low voltage, high gain, high power
output amplifier.
It features a preamplifier module with adjustable gain and a
unique power amplifier module that can be operated either as
a high power, high efficiency class B amplifier, with very low
quiescent current consumption, or as a medium power
"vari-bias" class A amplifier.
While designed specifically for use in body type hearing aids,
the LC552 can be used in other applications where linear audio
frequency amplification and frequency shaping is required.
FEATURES
operates over a supply range of 1.0 V to 3.0 V
selectable class B or vari-bias class A operation
feedback stabilized gain
≤ 80 dB
high power output > 140 dBSPL
independent preamplifier and output modules
minimum external parts count
BLOCK DIAGRAM
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3
tel. (905) 632-2996 fax: (905) 632-5846
Japan Branch: A-302 M i yamae Vi l l age, 2–10–42 M i yamae, Sugi nami–ku, Tokyo 168, Japan
tel. (03) 3334-7700
fax (03) 3247-8839
Revison Date: July 1993.
All resistors in ohms, all capacitors in farads unless otherwise stated.
STANDARD PACKAGING
14 pin DIP
14 pin SOIC
Chip (50 x 52 mils)
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| LC5242R11 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
| LC5251-14 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Optoelectronic |
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