AD9772A is a 14-bit, 160 MSPS TxDAC+ chip from AD company. It has a built-in 2x interpolation filter, supports single power supply, has high resolution, high input data rate, wide bandwidth, low power consumption, etc., and is suitable for communication transmit channel, W-CDMA base stations, multicarrier base stations, direct IF synthesis, wideband cable systems and other applications.
The AD9772A is a single‑supply, oversampling 14‑bit DAC optimized for baseband or IF waveform reconstruction. It integrates a 2× digital interpolation filter and an on‑chip PLL clock multiplier, providing up to 160 MSPS input data rate and 73 dB image rejection.
Typical applications include communication transmit channels, W‑CDMA base stations, multicarrier systems, and direct IF synthesis. The device is offered in a 48‑lead LQFP package and operates over –40 °C to +85 °C with a 3.1‑3.5 V supply range.
| Resolution | 14 Bits |
|---|---|
| Maximum Input Data Rate | 160 MSPS |
| Power Dissipation | 250 mW |
| Full‑Scale Output Current | 20 mA |
| Supply Voltage Range | 3.1 V to 3.5 V |
| Spurious‑Free Dynamic Range (SFDR) | 74 dBc @ 25 MHz |
The AD9772A supports an input data rate up to 160 MSPS.
The full‑scale output current is 20 mA and can be adjusted between 2 mA and 20 mA.
The device is offered in a 48‑lead LQFP package.
It operates from a single supply of 3.1 V to 3.5 V.