GL3276 Hynix Semiconductor, GL3276 Datasheet - Page 3

• Manufacturer Part Number: GL3276
• Description: Less Changes of Malfunction Associated with a High-frequency Lighting Fluorscent lamp Internal trap Circuit.
• Manufacturer: Hynix Semiconductor

Pin Description
Sample Application Circuits
8 Pin Plastic
SOP
NO.
1
3
5
8
7
4
6
2
SYMBOL
GND
OUT
V
V
IN +
IN -
C
f
CC1
CC2
o
D
Power input
Power output
Ground
Input
Initial amplifier
Gain setup
BPF
frequency
setup
Detection
capacitor
Output
supply
Output
Power
Photo diode
IN +
V
CC1
8
1
C1
R1
OUT
IN -
GL3276A
7
2
0 to 1k
1500pF
power filter resistance, connect an electrolytic
capacitor to pin 3.
Apply a voltage of 5V ¡ ¾ 10 % to pin 1.
With an internal impedance of 110 K§ Ù (typ.) pin 8
Initial amplifier differential inverted output. Its gain
The central frequency of the band-pass filter can be
Pin to which a detection capacitor is connected.
Open collector output with pull-up resistance.
As the power is output to pin 3 through the internal
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.
can be set up with an external impedance.
varied with an external resistance. A built-in trap
circuit prevents malfunctions associated with a high-
frequency lighting fluorescent lamp.
Its capability to drive a CMOS or TTL makes for easy
connection with a receiving microcomputer.
The GL3276A has an active low output.
3
C
V
D
6
CC2
3
PIN FUNCTION
0.01 F
130 k§ Ù ( R
47 F
GND
f
5
4
0
2
)
GL3276A