ADS7038/ADS7038-Q1 12-Bit ADCs Texas Instruments ADS7038/ADS7038-Q1 12-Bit Analogue-to-Digital Converters (ADCs) are an easy-to-use, 8-channel, multiplexed, 12-bit, 1MSPS, successive approximation register analogue-to-digital converter (SAR ADC). The eight channels can be independently configured as either analogue inputs, digital inputs, or digital outputs. The device has an internal oscillator for the ADC conversion process.