Vishay TSOP3225 Specifications and User's Manual
Summary
Miniaturized Infrared (IR) Receiver Modules engineered for reliable remote control systems in embedded electronics. This series supports standard 3V operation across multiple carrier frequencies, simplifying integration into smart home, automation, and consumer devices. The accompanying manual provides comprehensive specifications on electrical characteristics, ambient light immunity, and diverse models to ensure optimal performance. It is essential documentation for engineers designing robust signal detection circuits.
Page 1 Text Content
TSOP322..
VISHAY
Vishay Semiconductors
IR Receiver Modules for Remote Control Systems
Description The TSOP322.. - 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. TSOP322.. is the stan- dard IR remote control receiver series for 3 V supply voltage, supporting all major transmission codes.
Features Photo detector and preamplifier in one package Internal filter for PCM frequency Improved shielding against electrical field Parts Table disturbance
Part Carrier Frequency
TTL and CMOS compatibility
TSOP32230 30 k Hz
Output active low
TSOP32233 33 k Hz
Supply voltage: 2.7 V to 5.5 V
TSOP32236 36 k Hz
Improved immunity against ambient light
TSOP32237 36.7 k Hz TSOP32238 38 k Hz ir it
Mechanical Data
TSOP32240 40 k Hz
Pinning:
TSOP32256 56 k Hz
1 = OUT, 2 = VS, 3 = GND
Block Diagram
Application Circuit
VS R1
kΩ Transmitter
TSOPxxxx with VS +VS
TSALxxxx
Band OUTDemo- 4.7 µF
AGCInput µC
Pass dulator
GND GND
PIN Control Circuit GND
R1 C1 recommended to suppress power supply disturbances. The output voltage should not be hold continuously at voltage below VO 2.0 by the external circuit.
Document Number 82228 www.vishay.com Rev. 2, 23-Jun-03
Page Summary Contents For Vishay TSOP3225 Specifications and User's Manual
Manual Details
| Brand | Vishay |
|---|---|
| Pages | 7 |
| File Size | 193.37 KB |
| Published | June 06, 2026 |
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Frequently Asked Questions
What supply voltages does the TSOP322.. series support?
It supports a wide range from 2.7 V to 5.5 V.
Is specific external circuitry required for optimal function?
Yes, recommend resistors (R=100Ω) and capacitors (C=4.7µF) and ensure the output voltage does not drop below 2.0V.
Does the module have internal safeguards against interference?
Yes, it features an internal filter for PCM frequency and improved shielding against electrical field disturbances.
What is the difference between models like TSOP32230 and TSOP32256?
They differ by their carrier frequencies: 30 kHz (TSOP32230) vs. 56 kHz (TSOP32256). They are designed for different protocols.