TSOP348..SI1
Vishay Semiconductors
IR Receiver Modules for Remote Control Systems
Description
The TSOP348..SI1 - series are miniaturized receivers
for infrared remote control systems. PIN diode and
preamplifier are assembled on lead frame, the epoxy
package is designed as IR filter.
The demodulated output signal can directly be
decoded by a microprocessor. TSOP348..SI1 is the
standard IR remote control receiver series for 3 V
supply voltage, supporting all major transmission
codes.
1
2
3
16657
Features
鈥?Photo detector and preamplifier in one
package
鈥?Internal filter for PCM frequency
鈥?Improved shielding against electrical
field
disturbance
鈥?TTL and CMOS compatibility
鈥?Output active low
鈥?Supply voltage: 2.7 V to 5.5 V
鈥?Improved immunity against ambient light
Parts Table
Part
TSOP34830SI1
Carrier Frequency
30 kHz
33 kHz
36 kHz
36.7 kHz
38 kHz
40 kHz
56 kHz
e3
TSOP34833SI1
TSOP34836SI1
TSOP34837SI1
TSOP34838SI1
TSOP34840SI1
TSOP34856SI1
Block Diagram
Application Circuit
16833
3
30 k鈩?/div>
Input
PIN
AGC
Band
Pass
Demo-
dulator
V
S
17170
1
OUT
Circuit
Transmitter
TSOPxxxx
with
TSALxxxx
R
1
=
100
鈩?/div>
V
S
C
1
=
4.7 碌F
V
O
+V
S
OUT
GND
碌C
GND
2
Control Circuit
GND
R
1
+
C
1
recommended to suppress power supply
disturbances.
The output
voltage
should not
be hold
continuously at
a
voltage below
V
O
=
2.0 V
by
the external circuit.
Document Number 82210
Rev. 1.2, 28-Feb-05
www.vishay.com
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