The AD9432 is a 12-bit monolithic sampling analog-to-digital converter with an on-chip track-and-hold circuit and is optimized for high-speed conversion and ease of use. The product operates at a 105 MSPS conversion rate with outstanding dynamic performance over its entire dynamic range.
The AD9432 is a 12‑bit monolithic sampling analog‑to‑digital converter optimized for high‑speed conversion up to 105 MSPS. It features an on‑chip track‑and‑hold circuit, on‑chip reference, differential input range of 2.0 V p‑p, and single‑supply operation at 5 V. The device delivers 850 mW typical power dissipation, 500 MHz analog bandwidth, and CMOS/TTL compatible outputs.
The document provides detailed electrical specifications, absolute maximum ratings, thermal characteristics, pin configuration and function descriptions, as well as typical performance graphs such as SNR, SFDR and SINAD versus conversion rate. Ordering information and revision history are also included.
| Resolution | 12 bits |
|---|---|
| Input Voltage Range | 2.0 V p‑p differential |
| Output Voltage | 3.3 V CMOS/TTL |
| Signal‑to‑Noise Ratio (SNR) | 67 dB @ 49 MHz |
| Spurious‑Free Dynamic Range (SFDR) | 80 dB @ 49 MHz |
The device operates from a single 5.0 V supply.