
Linear Technology
DESCRIPTION
The LTC®1402 is a 12-bit, 2.2Msps sampling A/D converter. This high performance device includes a high dynamic range sample-and-hold and a precision reference. It operates from a single 5V supply or dual ±5V supplies and draws only 90mW from 5V.
FEATURES
■ Sample Rate: 2.2Msps
■ 72dB S/(N + D) and –89dB THD at Nyquist
■ Power Dissipation: 90mW (Typ)
■ 80MHz Full Power Bandwidth Sampling
■ No Missing Codes over Temperature
■ Available in 16-Pin Narrow SSOP Package
■ Single Supply 5V or ±5V Operation
■ Nap Mode with Instant Wake-Up: 15mW
■ Sleep Mode: 10µW
■ True Differential Inputs Reject Common Mode Noise
■ Input Range (1mV/LSB): 0V to 4.096V or ±2.048V
■ Internal Reference Can Be Overdriven Externally
■ 3-Wire Interface to DSPs and Processors (SPI and MICROWIRETM Compatible)
APPLICATIONS
■ Telecommunications
■ High Speed Data and Signal Acquisition
■ Digitally Multiplexed Data Acquisition Systems
■ Digital Radio Receivers
■ Spectrum Analysis
■ Low Power and Battery-Operated Systems
■ Handheld or Portable Instruments
■ Imaging Systems