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GL3276A の電気的特性と機能

GL3276AのメーカーはHynix Semiconductorです、この部品の機能は「Less changes of malfunction associated with a high-frequency lighting fluorscent lamp internal trap circuit.」です。


製品の詳細 ( Datasheet PDF )

部品番号 GL3276A
部品説明 Less changes of malfunction associated with a high-frequency lighting fluorscent lamp internal trap circuit.
メーカ Hynix Semiconductor
ロゴ Hynix Semiconductor ロゴ 




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GL3276A Datasheet, GL3276A PDF,ピン配置, 機能
GL3276A
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.
Block Diagram
Pin configuration
(SOP)
VCC1
Out
VCC2
fo
18
27
GL3276A
36
45
IN+
IN-
CD
GND
4
f0
3 VCC2
RS
1 VCC1
IN+
20
ABLC
Initial
Stage
amplifier
IN-
7
R1
C1
Limiter
BPF
+
TRAP
Detector
GND
5
CD
20
C2
RL
OUT
2
OUTPUT
1

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GL3276A pdf, ピン配列
GL3276A
Pin Description
NO. SYMBOL
1 VCC1
3 VCC2
5 GND
Power input
Power output
Ground
8 IN + Input
7
IN -
Initial amplifier
Gain setup
BPF
4 fo frequency
setup
6
CD
Detection
capacitor
2
OUT
Output
PIN FUNCTION
Apply a voltage of 5V ¡ ¾10 % to pin 1.
As the power is output to pin 3 through the internal
power filter resistance, connect an electrolytic
capacitor to pin 3.
With an internal impedance of 110 K§ Ù(typ.) pin 8
can accept a PIN photodiode directly. An automatic
bias level control (ABLC) circuit prevents the input
from being saturated by external light,
assuring bias level stability for the input pin.
Initial amplifier differential inverted output. Its gain
can be set up with an external impedance.
The central frequency of the band-pass filter can be
varied with an external resistance. A built-in trap
circuit prevents malfunctions associated with a high-
frequency lighting fluorescent lamp.
Pin to which a detection capacitor is connected.
Open collector output with pull-up resistance.
Its capability to drive a CMOS or TTL makes for easy
connection with a receiving microcomputer.
The GL3276A has an active low output.
Sample Application Circuits
8 Pin Plastic
SOP
Photo diode
C1 1500pF 0.01µF
R1 0 to 1k
87
IN + IN -
65
CD GND
GL3276A
VCC1
1
OUT
2
VCC2
3
f0
4
Power
supply
Output
130 k§ Ù(R2)
47 µF
3


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共有リンク

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部品番号部品説明メーカ
GL3276

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

Hynix Semiconductor
Hynix Semiconductor
GL3276A

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

Hynix Semiconductor
Hynix Semiconductor


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