The ADC122S101 is a low-power, two-channel CMOS 12-bit analog-to-digital converter with a high-speed serial interface. It supports 500kSPS to 1MSPS sample rate and SPI, QSPI, MICROWIRE and many common DSP serial interfaces.
The ADC122S101 is a CMOS 12‑bit analog‑to‑digital converter offering two input channels, a high‑speed serial interface and low power consumption. It operates from a single supply of +2.7 V to +5.25 V and supports sample rates from 500 kSPS to 1 MSPS.
The device is supplied in an 8‑lead MSOP package, includes built‑in power‑down features, and is specified for industrial temperature range (‑40 °C to +85 °C). Detailed electrical characteristics, timing diagrams and application notes are provided for system designers.
| Sample Rate Range | 500 kSPS to 1 MSPS |
|---|---|
| Supply Voltage | +2.7 V to +5.25 V |
| Power Consumption (3 V) | 4.3 mW typ |
| Power Consumption (5 V) | 13.1 mW typ |
| Number of Input Channels | 2 |
| DNL | +0.9 / -0.6 LSB typ |
| SNR | 72.4 dB typ |
| Package | 8‑lead MSOP |
It operates from a single supply of +2.7 V to +5.25 V.
The device provides two analog input channels (IN1 and IN2).
Typical power consumption is 4.3 mW at a 3 V supply.
The ADC122S101 can sample up to 1 MSPS.