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參數(shù)資料
| 型號(hào)： | LD505-MINI |
| 元件分類： | 音頻／視頻放大 |
| 英文描述： | AUDIO AMPLIFIER, PDFP8 |
| 封裝： | MINIPAK-8 |
| 文件頁(yè)數(shù)： | 1/5頁(yè) |
| 文件大小： | 178K |
| 代理商： | LD505-MINI |
1
500 - 15 - 09
NOT
RECOMMENDED
FOR
NEW
DESIGNS
LIMITER
100
-
+
1
5
4
8
33k
200
RE
2.2k
6
3
2
7
GND
VC
OUT
IN
VB
MICBIAS
GENNUM CORPORATION P.O. Box 489, Stn A, Burlington, Ontario, Canada L7R 3Y3
tel. (905) 632-2996 fax: (905) 632-5946
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
High Gain Class A Amplifier
DESCRIPTION
The LC/LD505 are low voltage, linear monolithic integrated
amplifiers with a typical electrical gain of 71 dB. The circuits
are comprised of a compensated, unconditionally stable,
operational amplifier and a low distortion Class A single
transistor output stage with negative feedback for stability
over a wide temperature range.
Current trimming in the output stage for inductive or resistive
loads can be accomplished by connecting an emitter resistor
from RE to ground. The LC/LD505 can operate over a supply
voltage range of 1.0 to 1.6 DC.
The LD505 which is an eight pin device, has an internal 2.2 k
decoupling resistor for microphone bias providing increased
supply line rejection. The base of the output transistor is also
accessible allowing connection of diodes in a feedback
configuration for peak limiting.
Document No. 500 - 15 - 09
LC505/LD505 DATA SHEET
GENNUM
C
O
R
P
O
R
A
T
I
O
N
STANDARD PACKAGING
MINIpac P6 (LC505)
MINIpac P8 (LD505)
FEATURES
71 dB of gain with 1.3 V supply
0.2 to 2.0 mA of transducer current adjustment
43 dB of volume control range
1.0 to 1.6 V supply operating range
2.2 k
internal decoupling resistor for microphone
bias (LD505 only)
output limiting capabilities (LD505 only)
RE
100
-
+
4
3
33k
200
VB
5
2
1
6
IN
GND
VC
OUT
Revision Date: January 1996
All resistors in ohms, all capacitors in
microfarads unless otherwise stated
All resistors in ohms, all capacitors in
microfarads unless otherwise stated
LD505 BLOCK DIAGRAM
LC505 BLOCK DIAGRAM
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