LTC1861L

The LTC®1861L is a 12-bit A/D converter that is offered in MSOP and SO-8 packages and operates on a single 3V supply. At 150ksps, the supply current is only 450A. The supply current drops at lower speeds because the LTC1861L automatically powers down to a typical supply current of 500nA between conversions. This 12-bit switched capacitor successive approximation ADC includes a sample-and-hold. The LTC1861L offers a software-selectable 2-channel MUX. An adjustable reference pin is provided on the MSOP version.

The 4-wire serial I/O, MSOP or SO-8 package and extremely high sample rate-to-power ratio make this ADC an ideal choice for compact, low power, high speed systems.

This ADC of LTC1861L can be used in ratiometric applications or with external references. The high impedance analog inputs and the ability to operate with reduced spans down to 1V full scale, allow direct connection to signal sources in many applications, eliminating the need for external gain stages.