ADS1230IPW. Analogue to Digital Converter, Delta Sigma, 20 bit, 80 SPS. The ADS1230IPW is a precision Analog-to-digital Converter (ADC) with an on board low-noise programmable gain amplifier (PGA), on board oscillator and precision 20-bit delta-sigma ADC. The ADC provides a complete front-end solution for bridge sensor applications. The low-noise PGA has a gain of 64 or 128, supporting a full-scale differential input of ±39 or ±19.5mV respectively.