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| 型號(hào)： | LX509SLT |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁(yè)數(shù)： | 1/4頁(yè) |
| 文件大?。?/td> | 85K |
| 代理商： | LX509SLT |
5 4 3 2 1
- A
V
B
- C
6 7 8 9 10
- B
- D
GND
C
IN
C
OUT
D
IN
D
OUT
B
IN
B
OUT
A
IN
A
OUT
Low Current Quad
Inverting Amplifiers
LX509 - DATA SHEET
Document No. 510 - 30 - 06
FEATURES
210
μ
A typical current drain
4 inverting opamps; B with 6 dB greater drive current
minimum 46 dB open loop gain
ideal for - active filtering
- dual channel hearing aids
- mixers
- microphone / telecoil preamps
BLOCK DIAGRAM
DESCRIPTION
The LX509 consists of 4 independent low noise, low current
inverting operational amplifiers utilizing Gennum's low voltage
bipolar JFET technology. Each amplifier has a minimum open
loop gain of 46 dB with the closed loop gain set by the ratio of
a feedback (R
) resistor to the source impedance (R
) . For
a well controlled gain tolerance from amplifier to amplifier, it is
recommended that the closed loop gain is at least 20 dB below
the open loop gain.
Three of the preamplifiers, A, C and D are capable of delivering
typically 30
μ
A of peak current drive while the fourth pre-
amplifier B has 6 dB more current drive capability, allowing a
6 dB greater output into the same load impedance, or the same
output level into one half the load impedance.
Revision Date: January 2001
STANDARD PACKAGING
10 pin PLID
10 pin SLT
Chip (61 x 55 mils)
Au Bump
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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