GL3276 datasheet(1/4 Pages) HYNIX

Part #	GL3276

Description	Less changes of malfunction associated with a high-frequency lighting fluorscent lamp internal trap circuit.

PDF	4 Pages

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Manufacturer	HYNIX [Hynix Semiconductor]

Direct Link	http://www.skhynix.com/kor/main.do

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GL3276A

1

GL3276A

Description

The GL3276A is a bipolar analog ICs specifically

developed for use in infrared remote control system

receiving preamplifiers. Capable of accepting a

photodiode directly, these ICs house a high gain

initial amplifier, a limiter, a band-pass filter, a

detection circuit and a waveform shaping circuit

assembled on a single chip.

Features

• Less changes of malfunction associated with

a high-frequency lighting fluorscent lamp

internal trap circuit.

• The central frequency can be varied with an

external resistance:

fo=30 to 80KHz

fo rimming reduce central frequency variance.

• Few external parts.

Internal pull-up resistance and power filter

resistance.

Lower-capacitance external capacitor

• Open collector output

Open collector output with a pull-up resistance.

Pin configuration

Block Diagram

GL3276A

(SOP)

IN+

8

IN-

7

CD

6

GND

5

fo

4

VCC2

3

Out

2

VCC1

1

Detector

ABLC

4

3

1

2

20

7

5

20

BPF

+

TRAP

Limiter

Initial

Stage

amplifier

f0

VCC2

RS

RL

VCC1

CD

GND

IN-

IN+

C2

C1

R1

OUT

OUTPUT

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GL3276 Datasheet(PDF) 1 Page - Hynix Semiconductor

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