The AD9283 is an 8-bit, 50 MSPS/80 MSPS/100 MSPS, 3 V A/D converter with low power, integrated reference voltage and hold circuit, 475 MHz analog bandwidth, 46.5 dB SNR @ 41 MHz @ 100 MSPS, 1 V p-p analog input range, single +3.0 V supply operation (2.7 V-3.6 V) and 4.2 mW standby mode. It is mainly used for battery-powered instruments, handheld oscilloscopes and low-cost digital oscilloscopes.
The AD9283 is an 8‑bit monolithic sampling analog‑to‑digital converter that operates from a single 3 V supply (2.7 V‑3.6 V). It features an on‑chip track‑and‑hold circuit, internal 1.25 V reference, and TTL/CMOS‑compatible digital outputs, making it easy to interface with 2.5 V or 3.3 V logic.
Targeted at battery‑powered instruments, hand‑held scopemeters, and low‑cost digital oscilloscopes, the device delivers up to 100 MSPS conversion rate, 46.5 dB SNR at 41 MHz, and a low 90 mW power dissipation in full‑speed mode. The datasheet provides detailed specifications, pin configurations, timing diagrams, and an evaluation board description.
| Resolution | 8 bits |
|---|---|
| Maximum Conversion Rate | 100 MSPS |
| Power Dissipation (full speed) | 90 mW |
| Power‑Down Dissipation | 4.2 mW |
| Analog Input Range | 1.024 V p‑p |
| Reference Voltage | 1.25 V (typ) |
| Signal‑to‑Noise Ratio | 46.5 dB @ 41 MHz (100 MSPS) |
It operates from a single 3.0 V supply, with an allowable range of 2.7 V to 3.6 V.
The nominal analog input range is 1.024 V peak‑to‑peak centered at ground.
The AD9283 can sample at up to 100 MSPS.