GL3277
GL3277
PREAMPLIFIER FOR REMOTE CONTROL USE
Description
Pin Configurations
The GL3277 is a bipolar analog ICs specifically
developed for use in infrared remote control system
VCC
receiving preamplifiers.
Features
C
AGC
鈥?/div>
Enhanced immunity against all kinds of disturbance light
OUT
鈥?No occurence of disturbance pulses at the output
鈥?Output active low
DGND
鈥?Simple applications
鈥?Support RC-5 code , NEC code
鈥?Operating frequency : 38kHz隆
戮
.5kHz @ Vcc=5V, Ta=25隆
脡
2
Block Diagram
NC
7
NC
8
VCC
1
1
2
3
4
8
7
6
5
NC
NC
AGND
IN
8 SOP
R
L
BIAS
IN
Output
stage
Input stage
Variable
amp
BPF
AGC
OUT
3
5
Photo
diode
6
AGND
2
C
AGC
4
DGND
The information in this document is subject to change without notice.
1
1
2
3
