Part Number

TSOP2840

Description

Photo Modules for PCM Remote Control Systems

Manufacture

Vishay Telefunken

Total Page 7 Pages
PDF Download
Download TSOP2840 Datasheet PDF


Features Datasheet pdf TSOP28.. Vishay Telefunken Photo Module s for PCM Remote Control Systems Availa ble types for different carrier frequen cies Type TSOP2830 TSOP2836 TSOP2838 TS OP2856 fo 30 kHz 36 kHz 38 kHz 56 kHz T ype TSOP2833 TSOP2837 TSOP2840 fo 33 kH z 36.7 kHz 40 kHz Description The TSOP 28.. – series are miniaturized receiv ers for infrared remote control systems . PIN diode and preamplifier are assemb led on lead frame, the epoxy package is designed as IR filter. The demodulated output signal can directly be decoded by a microprocessor. The main benefit i s the reliable function even in disturb ed ambient and the protection against u ncontrolled output pulses. 14 500 Feat ures D D D D D Photo detector and prea.
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TSOP2840 Datasheet
TSOP28..
Vishay Telefunken
Photo Modules for PCM Remote Control Systems
Available types for different carrier frequencies
Type
TSOP2830
TSOP2836
TSOP2838
TSOP2856
fo
30 kHz
36 kHz
38 kHz
56 kHz
Type
TSOP2833
TSOP2837
TSOP2840
fo
33 kHz
36.7 kHz
40 kHz
Description
The TSOP28.. – series are miniaturized receivers for
infrared remote control systems. PIN diode and pre-
amplifier are assembled on lead frame, the epoxy
package is designed as IR filter.
The demodulated output signal can directly be de-
coded by a microprocessor. The main benefit is the
reliable function even in disturbed ambient and the
protection against uncontrolled output pulses.
14 500
Features
D Photo detector and preamplifier in one package
D Internal filter for PCM frequency
D TTL and CMOS compatibility
D Output active low
D Improved shielding against electrical field distur-
bance
D Suitable burst length 6 cycles/burst
Special Features
D Small size package
D Enhanced immunity against all kinds of distur-
bance light
D No occurrence of disturbance pulses at the out-
put
mD Short settling time after power on (<200 s)
Block Diagram
Input
PIN
AGC
Control
Circuit
Band
Pass
30 kW
Demodu-
lator
2
VS
1
OUT
3
GND
14318
Document Number 82058
Rev. 7, 31-Jan-00
www.vishay.de FaxBack +1-408-970-5600
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