DESCRIPTION
The LTC ®1401 is a complete 200ksps, 12-bit A/D converter that converts 0V to 2.048V unipolar input and draws only 15mW from a single 3V supply. This easy-to-use device comes complete with a 315ns sample-and-hold and a precision reference. Maximum DC specifications include ±1LSB INL, ±1LSB DNL and 45ppm/°C full-scale drift over temperature.

FEATURES
■ Complete 12-Bit ADC with Reference in SO-8
■ Single Supply 3V Operation
■ Sample Rate: 200ksps
■ Power Dissipation: 15mW (Typ)
■ 68dB S/(N + D) and – 72dB THD at 50kHz
■ No Missing Codes Over Temperature
■ Nap Mode with Instant Wake-Up: 1.5mW
■ Sleep Mode: 19.5µW
■ Shutdown Mode: 13.5µW
■ High Impedance Analog Input
■ Input Range (0.5mV/LSB): 0V to 2.048V
■ Internal Reference Can Be Overdriven Externally
■ 3-Wire Interface to DSPs and Processors (SPI and MICROWIRETM Compatible)

APPLICATIONS
■ Low Power and Battery-Operated Systems
■ Handheld or Portable Instruments
■ High Speed Data Acquisition
■ Digital Signal Processing
■ Multiplexed Data Acquisition Systems
■ Telecommunication
■ Digital Radio
■ Spectrum Analysis