The AD570 is a complete 8-bit A/D converter with reference and clock. It features fast successive approximation conversion with no missing codes over temperature. It also has digital multiplexing with three-state outputs. The AD570 is a low-cost monolithic construction.
The AD570 is a complete 8‑bit A/D converter on a single chip, providing a DAC, voltage reference, clock, comparator, SAR register and output buffers. It operates from +5 V and –15 V supplies and accepts either unipolar (0 V to +10 V) or bipolar (–5 V to +5 V) inputs.
The device is offered in two temperature‑rated versions: AD570J (0 °C to +70 °C) and AD570S (–55 °C to +125 °C). It features three‑state outputs for multiplexing, a conversion time of about 25 µs, and a full‑scale calibration accuracy of ±2 LSB.
| Resolution | 8 bits |
|---|---|
| Full‑Scale Calibration Accuracy | ±2 LSB |
| Temperature Range (AD570J) | 0 °C to +70 °C |
| Power Supply | +5 V / –15 V (operates also with –12 V) |
| Conversion Time | ≈25 µs typical |
The AD570 is designed to operate from a +5 V and –15 V supply, and it can also run with a –12 V supply.
A conversion is completed in approximately 25 µs.
AD570J is specified for 0 °C to +70 °C, while AD570S covers –55 °C to +125 °C.
Yes, it accepts unipolar 0 V to +10 V inputs or bipolar –5 V to +5 V inputs, selectable by grounding or opening a single pin.