The ADRF6750 is a highly integrated quadrature modulator, frequency synthesizer, and programmable attenuator for use in satellite, cellular and broadband communications.
The ADRF6750 combines a quadrature I/Q modulator, fractional‑N PLL synthesizer, VCO and a digitally controlled 47 dB gain attenuator. It operates from a single 5 V supply and supports SPI or I²C serial interfaces for register programming. The device is intended for satellite, cellular and broadband communications.
The data sheet provides detailed specifications, timing characteristics, absolute maximum ratings, pin descriptions, typical performance graphs, and an evaluation board layout. It also includes a bill of materials and ordering guide for the LFCSP package.
| Operating Frequency Range | 950 – 1575 MHz |
|---|---|
| Nominal Output Power | -1.6 dBm |
| Gain Control Range | 47 dB |
| Gain Step Size | 1 dB |
| Power Supply | 5 V, 310 mA |
| I²C Clock Frequency (max) | 400 kHz |
| SPI Clock Frequency (max) | 20 MHz |
The device covers an operating frequency range from 950 MHz to 1575 MHz.
The gain control provides a 47 dB range with 1 dB step size.