Technical specification sheet for the HRM138aB1G00 infrared remote‑control receiver amplifier by Hualian Electronics.
The HRM138aB1G00 is an infrared remote‑control receiver amplifier that integrates a photodiode detector and a pre‑amplifier in an epoxy package. It offers high sensitivity, low power consumption, and strong immunity to ambient light, power noise, and electromagnetic interference.
The datasheet provides detailed electrical ratings, opto‑electrical characteristics, mechanical dimensions, reliability test procedures, packaging information, and recommended external circuitry for proper integration into TV sets, set‑top boxes, DVD players, air‑conditioners and similar devices. This manual is written in Chinese.
| Supply Voltage (VCC) | 6.0 V |
|---|---|
| Supply Current (Icc) | 3.0 mA |
| Output Voltage (Vo) | 6.0 V |
| Output Current (Io) | 2.5 mA |
| Power Dissipation | 50 mW |
| Carrier Frequency | 37.9 kHz |
| Minimum Burst Length (tBurst) | ≥10 carrier cycles |
| Minimum Gap (tGap) | ≥14 carrier cycles |
| Minimum Pause (tPause) | ≥40 ms |
| ESD Protection Grade | 500 V (HBM) |
| RoHS Compliance | Yes (2011/65/EU) |
The recommended supply voltage is 4.5 V to 5.5 V.
The carrier frequency is 37.9 kHz.