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參數資料
| 型號： | LP508MCRO |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數： | 1/4頁 |
| 文件大小： | 80K |
| 代理商： | LP508MCRO |
DESCRIPTION
The LP508 is an 8 pin Class A amplifier utilizing Gennum's
proprietary low voltage bipolar JFET technology. It consists of
2 single ended, low noise inverting gain blocks. The first block
has a typical open loop gain of 50 dB, with the closed loop gain
set by the ratio of the feedback resistor to the the source
impedance. The second block has the output transistor bias
set by R
E
and V
RE
at pin 7 which is 27 mV.
Typically, the gain of the first block is set to 29 dB, with the
second block at 32 dB, giving a total gain of 61 dB.
BLOCK DIAGRAM
-
A
-
B
B IN
R
B OUT
V
E
B
GND
A OUT
A IN
V
MIC
1
2
4
3
R
MIC
8
7
5
R
E
18K
6
Document No. 500 - 71 - 9
Class A Amplifier with
2 Independent Gain Blocks
LP508 DATA SHEET
FEATURES
1
μ
V input referred noise
1.0 to 5 VDC operating range
61 dB typical gain (adjustable)
0.28 to 2.0 mA range of transducer current
1 % electrical distortion
the first and second blocks can be DC coupled
4.0 k
microphone decoupling resistor, on-chip
100 Hz to 50 kHz frequency response
volume control range >40 dB
STANDARD PACKAGING
8 pin MICROpac
8 pin PLID
8 pin SLT
Chip (59 x 53 mils)
Au Bump
Revision Date: January 2001
GENNUM CORPORATION P.O. Box 489, Stn. A, Burlington, Ontario, Canada L7R 3Y3 tel. +1 (905) 632-2996
Web Site: www.gennum.com E-mail: hipinfo@gennum.com
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相關代理商/技術參數 |
參數描述 |
|---|---|
| LP508MINI | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LP508PLID | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LP508SLT | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| LP-50BF | 制造商:Polycase 功能描述:enclosure |
| LP-50F | 制造商:Polycase 功能描述:Enclosure; Flanged; Flame Retardant ABS Plastic; 4.50 x 3.25 x 1.30 in; Black |
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