The ADF7901 is a low power OOK/FSK UHF transmitter designed for use in RF remote control devices.
The ADF7901 is a low‑power UHF transmitter IC designed for RF remote‑control applications. It supports OOK and FSK modulation on eight selectable channels, operates from a 3.0 V supply, and delivers up to 15 dBm output power with data rates up to 50 kbps.
The document provides a functional block diagram, absolute maximum ratings, pin configuration, typical performance graphs, package dimensions, and ordering information for the 24‑lead TSSOP package.
| Supply Voltage | 3.0 V |
|---|---|
| Data Rate | Up to 50 kbps (OOK and FSK) |
| Maximum Output Power | 15 dBm (channels < 384 MHz), 12 dBm (channels > 384 MHz) |
| Package | 24‑lead Thin Shrink Small Outline Package (TSSOP) |
The device operates from a 3.0 V supply.
Eight channels are selectable via three external control lines.
The transmitter can deliver up to 15 dBm on channels below 384 MHz and up to 12 dBm on higher channels.