Infrared Remote-control Receiver Technical Data Sheet
Features:
- Photo detector and preamplifier in one package High photo sensitivity.
- Improved inner shielding against electrical field disturbance.
- Low power consumption.
- TTL and CMOS compatibility.
- Improved immunity against ambient light.
- Internal filter for PCM frequency.
- Suitable transmission code: NEC code, RC5 code.
- The product itself will remain within RoHS compliant version.
Descriptions:
- The M3A38 is miniaturized receivers for infrared remote control systems and other applications requiring improved ambient light rejection.
- The separate PIN diode and preamplifier IC are assembled on a single lead frame, the epoxy package contains is a special IR filter.
- This module has excellent performance even in disturbed ambient light applications and provides protection against uncontrolled output pulses.
Applications:
- Infrared applied system.
- Light detecting portion of remote control.
- AV instruments such as Audio, TVs, VCR, CD, MD, etc.
- CATV set top boxes.
- The other equipments with wireless remote control.
- Home appliances such as Air-conditioner, Fan, etc.
- Multi-media Equipment.
Absolute Maximum Ratings at Ta=25
| Item | Symbol | Value | Unit | Notice |
| Supply Voltage | VCC | 2.70~5.00 | V | |
| Operating Temperature | Topr | -40 ~ +85 | ||
| Storage Temperature | Tstg | -40 ~ +85 | ||
| Soldering Temperature | Tsol | 260 | At the position of 4mm from the bottom of the package within 5 seconds. |
Electrical Optical Characteristics at (Ta=25, Vcc=5V, fo=38KHz)
| Parameters | Symbol | Min. | Typ. | Max. | Unit | Test condition |
| Supply Voltage | VCC | 2.70 | --- | 5.00 | V | DC voltage |
| Supply Current | ICC | --- | 0.90 | 1.50 | mA | No signal input |
| B.P.F Center Frequency | Fo | --- | 38 | --- | KHz | |
| Peak Wavelength | λp | --- | 940 | --- | nm | |
| Reception Distance | L0 | 12 | --- | --- | m | At the ray axis*1 |
| L45 | 6 | --- | --- | |||
| Half Angle (Horizontal) | θh | --- | 45 | --- | deg | |
| Half Angle (Vertical) | θv | --- | 45 | --- | ||
| High Level Pulse Width | TH | 400 | --- | 800 | μs | VIN=50mVp-p |
| Low Level Pulse Width | TL | 400 | --- | 800 | ||
| High Level Output Voltage | VH | 4.70 | 5.00 | --- | V | 10cm over the ray axis |
| Low Level Output Voltage | VL | --- | 0.20 | 0.40 |
Notes:
1. The ray receiving surface at a vertex and relation to the ray axis in the range of θ=0° and θ=45°.
2. A range from 30cm to the arrival distance. Average value of 50 pulses.
Infrared LED Emitting Diodes Package Dimension:
