TDK 5101 315 MHz ASK/FSK Transmitter Specification published in October 2002.
The TDK 5101 is a single‑chip ASK/FSK transmitter designed for the 311‑317 MHz band. It integrates a PLL synthesizer, a high‑efficiency power amplifier and requires only a few external components, making it suitable for keyless entry, remote control, alarm and communication systems.
The datasheet provides detailed functional descriptions, pin definitions, electrical parameters such as supply voltage, current consumption, output power and temperature range, as well as recommended application circuits and timing diagrams.
| Frequency range | 311‑317 MHz |
|---|---|
| Supply voltage range | 2.1 V – 4 V |
| Typical supply current | 7 mA |
| Operating temperature range | -40 °C – +125 °C |
It operates in the 311‑317 MHz band.
The device works with a supply voltage from 2.1 V to 4 V.
Typical supply current is about 7 mA.
Pin 1 (PDWN) disables all transmitter functions when driven low.