AD1671 is a monolithic 12-bit, 1.25 MSPS analog-to-digital converter with an on-board, high performance sample-and-hold amplifier (SHA) and voltage reference. The AD1671 guarantees no missing codes over the full operating tempera- ture range. The combination of a high-performance SHA and low power consumption makes the AD1671 an ideal choice for industrial, instrumentation and measurement, communication, medical, and automotive applications.