GL3277 Datasheet, PDF (1/3 Pages) Hynix Semiconductor – PREAMPLIFIER FOR REMOTE CONTROL USE

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
receiving preamplifiers.
VCC 1
Features
• Enhanced immunity against all kinds of disturbance light
• No occurence of disturbance pulses at the output
C_AGC ²
OUT ³
• Output active low
• Simple applications
DGND ⁴
• Support RC-5 code , NEC code
• Operating frequency : 38kHz¡ ¾2.5kHz @ Vcc=5V, Ta=25¡ É
Block Diagram
NC
NC
VCC
7
8
1
8 _NC
7 _NC
6 _AGND
5 _IN
8 SOP
IN
5
BIAS
Input stage
Photo
diode
6
AGND
Variable
amp
2
C_AGC
BPF
AGC
Output
stage
R_L
3
OUT
4
DGND
The information in this document is subject to change without notice.
1