IR Receiver
Description
TSOP321.
.
, TSOP323.
.
, TSOP325.
.
, TSOP341.
.
, TSOP343.
.
,
www.
vishay.
com
Vishay Semiconductors
IR Receiver Modules for Remote Control Systems
1 2 3
16672
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DESCRIPTION
These products are miniaturized receivers for infrared remote control systems.
A PIN diode and a preamplifier are assembled on a lead frame, the epoxy package contains an IR filter.
The demodulated output signal can be directly connected to a microprocessor for decoding.
The TSOP323.
.
, TSOP343.
.
series devices are optimized to suppress almost all spurious pulses from energy saving lamps like CFLs.
AGC3 may also suppress some data signals if continuously transmitted.
The TSOP321.
.
, TSOP341.
.
series are provided primarily for compatibility with old AGC1 designs.
New designs should prefer the TSOP323.
.
, TSOP343.
.
series containing the newer AGC3.
The TSOP325.
.
, TSOP345.
.
series contain a very robust AGC5.
This series should only be used for critically noisy environments.
These components have not been qualified according to automotive specifications.
FEATURES • Very low supply current • Photo detector and preamplifier in one package • Internal filter for PCM frequency • Improved shielding against EMI • Supply voltage: 2.
5 V to 5.
5 V • Improved immunity against ambient light • Insensitive to supply voltage ripple and noise • Material categorization:
for definitions of compliance please see www.
vishay.
com/doc?99912
MECHANICAL DATA Pinning for TSOP341.
.
, TSOP343.
.
, TSOP345.
.
: 1 = OUT, 2 = GND, 3 = VS Pinning for TSOP321.
.
, TSOP323.
.
, TSOP325.
.
: 1 = OUT, 2 = VS, 3 = GND
ORDERING CODE TSOP3.
.
.
.
- 2160 pieces in tubes
BLOCK DIAGRAM
30 kΩ
Input
AGC
Band pass
Demodulator
PIN
16833-22
Control circuit
VS OUT GND
APPLICATION CIRCUIT
17170-11
Transmitter IR receiver
with TSALxxxx
VS
Circuit
OUT GND
R1
C1 VO
+ VS μC
GND
R1 and C1 recommended to reduce supply ripple for VS < 2.
8 ...
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