Photo Modules for PCM Remote Control Systems The TSOP2138 is an infrared receiver module manufactured by Vishay. Below are its specifications, descriptions, and features based on factual information:
### **Specifications:**
- **Supply Voltage (VS):** 2.5 V to 5.5 V
- **Supply Current (IS):** 0.35 mA (typical)
- **Carrier Frequency:** 38 kHz
- **Output Signal:** Active Low
- **Operating Temperature Range:** -25°C to +85°C
- **Storage Temperature Range:** -25°C to +85°C
- **Package Type:** 3-pin epoxy package (Through-Hole)
- **Photodetector and Preamplifier:** Integrated
- **Blocking Protection:** Against EMI (Electromagnetic Interference)
- **Output Transistor:** Open collector
### **Descriptions:**
- The TSOP2138 is a miniaturized IR receiver module for infrared remote control systems.
- It is sensitive to a 38 kHz modulated IR signal and provides a demodulated output.
- The device includes an IR detector, a bandpass filter, a preamplifier, and a demodulator.
- It is designed to reject spurious signals and noise for reliable operation.
### **Features:**
- **Improved Shielding:** Against electrical field disturbances.
- **Low Power Consumption:** Suitable for battery-operated devices.
- **High Immunity:** Against ambient light disturbances.
- **Compatible with:** Most IR remote control encoders.
- **Pb-Free and RoHS Compliant.**
This information is sourced from Vishay’s official documentation. For exact details, refer to the manufacturer’s datasheet.
