AD9775 Rev. E is a 14-bit, 160 MSPS, 2×/4×/8× interpolating dual TxDAC+® digital-to-analog converter.
The AD9775 is a 14‑bit, 160 MSPS dual TxDAC+ digital‑to‑analog converter from Analog Devices, offering selectable 2×/4×/8× interpolation, programmable gain and offset, and a direct IF transmission mode. It operates from a single 3.1‑3.5 V supply and consumes about 1.2 W at typical conditions.
The device provides a flexible SPI control port, internal PLL clock multiplier, differential current outputs up to 20 mA, and extensive specifications covering DC, dynamic, digital, and filter performance. It is suited for communications, broadband wireless, and instrumentation applications.
| Resolution | 14 Bits |
|---|---|
| Maximum DAC Output Update Rate | 400 MSPS |
| Supply Voltage Range | 3.1 V – 3.5 V |
| Full‑Scale Output Current | 20 mA |
| Typical Power Dissipation | 380 – 410 mW |
The AD9775 can update its DAC output at up to 400 MSPS.
It operates from a single supply voltage between 3.1 V and 3.5 V.
The device offers selectable 2×, 4×, and 8× interpolating filters.
Typical power consumption is about 1.2 W at 3.3 V, with a nominal dissipation of 380‑410 mW.