The AD7804 and AD7808 are quad and octal 10‑bit digital‑to‑analog converters that operate from a +3.3 V to +5 V supply and include an on‑chip reference. They support serial loading (AD7804/AD7808) or parallel loading (AD7805/AD7809) and provide configurable output ranges based on VBIAS.
The document provides detailed static performance data, output characteristics, power requirements, absolute maximum ratings, pin‑out diagrams, timing diagrams, and ordering information for the various package options.
| Resolution | 10 bits |
|---|---|
| Supply Voltage Range | +3.3 V to +5 V |
| Number of Channels | Quad (4) for AD7804, Octal (8) for AD7808 |
| Output Voltage Range | VBIAS – 15/16·VBIAS |
| Normal Mode Current Consumption | 12 mA max (AD7804/AD7808) |
| Power‑Down Mode Current | 0.8 mA max at +25 °C |
The AD7808 operates from a +3.3 V to +5 V supply.
The AD7808 provides eight (octal) output channels.
Both devices have a 10‑bit resolution.
Typical normal‑mode current is up to 12 mA.