Datasheet > LX509-CHIP

LX509-CHIP

更新时间： 2024-10-29 10:45:11

品牌	Logo	应用领域
GENNUM		/
页数	文件大小	规格书
4页	85K
描述
Audio Preamplifier, DIE

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LX509-CHIP 数据手册

Low Current Quad

Inverting Amplifiers

LX509-DATASHEET

FEATURES

DESCRIPTION

• 210 µA typical current drain

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_F) resistor to the source impedance (R_S) . 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.

• 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

Threeofthepreamplifiers, A, CandDarecapableofdelivering

typically 30 µA of peak current drive while the fourth pre-

amplifier B has 6 dB more current drive capability, allowing a

6dBgreateroutputintothesameloadimpedance, orthesame

output level into one half the load impedance.

- microphone / telecoil preamps

STANDARD PACKAGING

• 10 pin PLID^®

• 10 pin SLT

• Chip (61 x 55 mils)

Au Bump

OUT

- D

- C

- B

- A

GND

OUT

BLOCK DIAGRAM

Revision Date: January 2001

Document No. 510 - 30 - 06

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

12 3 4

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