Datasheet > LD505

LD505

更新时间： 2024-11-26 22:31:27

品牌	Logo	应用领域
其他 - ETC		放大器
页数	文件大小	规格书
5页	183K
描述
High Gain Class A Amplifier

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LD505 数据手册

High Gain Class A Amplifier

GENNUM

LC505/LD505 DATA SHEET

FEATURES

• 71 dB of gain with 1.3 V supply

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.

• 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 kΩ internal decoupling resistor for microphone

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.

bias (LD505 only)

• output limiting capabilities (LD505 only)

STANDARD PACKAGING

The LD505 which is an eight pin device, has an internal 2.2 kΩ

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.

• MINIpac P6 (LC505)

• MINIpac P8 (LD505)

MIC

BIAS

LIMITER

2.2k

OUT

33k

100

200

GND

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

Revision Date: January 1996

Document No. 500 - 15 - 09

500 - 15 - 09

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, Miyamae Village, 2–10–42 Miyamae, Suginami–ku, Tokyo 168, Japan tel. (03) 3334-7700 fax (03) 3247-8839

12 3 4 5

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