The ADS8318 is a 16-bit, 500-ksps analog-to-digital converter from TI. It has a 50-MHz SPI compatible serial interface and supports multiple device cascading.
The ADS8318 is a 16‑bit, 500‑KSPS analog‑to‑digital converter optimized for low‑power operation. It features a unipolar differential input range, SPI‑compatible serial interface with daisy‑chain option, and a busy indicator for host synchronization.
The datasheet provides full specifications, timing requirements, pin assignments, package options (10‑pin MSOP and SON), and ordering information, along with typical characteristics and layout guidelines for board designers.
| Sample Rate | 500 kSPS |
|---|---|
| Resolution | 16 bits |
| Power Dissipation (full speed) | 18 mW typ |
| Input Range | Unipolar, Differential –Vref to +Vref |
| Signal‑to‑Noise Ratio | 95.2 dB typ at 10 kHz |
| Total Harmonic Distortion | -108 dB typ at 10 kHz |
| Integral Linearity (INL) | +1.0 LSB max |
| Differential Linearity (DNL) | 40.75 LSB max |
| Operating Temperature Range | -40 °C to 85 °C |
| Package Options | 10‑Pin MSOP and SON |
The ADS8318 can sample at up to 500 kSPS.
It dissipates about 18 mW typical when operating at 500 kSPS.
The device is offered in 10‑pin MSOP and SON packages.
It supports a unipolar differential input ranging from –Vref to +Vref.