This document is about the AD9218 10-Bit, 40/65/80/105 MSPS 3 V Dual Analog-to-Digital Converter. The product features dual channels, 10-bit accuracy, multiple sampling rates, low power consumption, etc. It is suitable for applications such as battery-powered instruments, hand-held scopemeters, low-cost digital oscilloscopes, I and Q communications, ultrasound equipment, etc.
The AD9218 is a dual 10‑bit analog‑to‑digital converter offering sampling rates of 40, 65, 80 and 105 MSPS per channel. It operates from a single 3.0 V supply (2.7 V‑3.6 V) and includes on‑chip reference, track‑and‑hold, and selectable output formats.
The handbook provides detailed electrical specifications, timing diagrams, absolute maximum ratings, and application guidance for battery‑powered instruments, hand‑held scope meters, low‑cost oscilloscopes, communications, and ultrasound equipment.
| Resolution | 10 bits |
|---|---|
| Maximum Sampling Rate | 105 MSPS per channel |
| Power Dissipation | 275 mW per channel at 105 MSPS |
| Supply Voltage | 3.0 V (2.7 V to 3.6 V) |
| Analog Input Range | 1 V p‑p or 2 V p‑p per channel |
| Crosstalk | -75 dBc |
| Signal‑to‑Noise Ratio | 57 dB @ 41 MHz |
| Package | 48‑lead LQFP (7 mm × 7 mm) |
The AD9218 supports up to 105 MSPS per channel.
It operates from a single 3.0 V supply, with a range of 2.7 V to 3.6 V.
Approximately 275 mW per channel.
Each channel accepts either a 1 V p‑p or a 2 V p‑p input range.