DESCRIPTION
The LTC®2271 is a 2-channel, simultaneous sampling 16-bit A/D converter designed for digitizing high frequency, wide dynamic range signals. It is perfect for demanding communications applications with AC performance that includes 84.1dB SNR and 99dB spurious free dynamic range (SFDR).
DC specs include ±1LSB INL (typ), ±0.2LSB DNL (typ) and no missing codes over temperature. The transition noise is 1.44LSBRMS.

FEATURES
◆ 2-Channel Simultaneous Sampling ADC
◆ Serial LVDS Outputs: 1, 2 or 4 Bits per Channel
◆ 84.1dB SNR (46μVRMS Input Referred Noise)
◆ 99dB SFDR
◆ Low Power: 185mW Total
◆ 92mW per Channel
◆ Single 1.8V Supply
◆ Selectable Input Ranges: 1VP-P to 2.1VP-P
◆ 200MHz Full-Power Bandwidth S/H
◆ Shutdown and Nap Modes
◆ Serial SPI Port for Confi guration
◆ Pin Compatible With LTC2190: 16-Bit, 25Msps, 104mW
◆ 52-Lead (7mm × 8mm) QFN Package

APPLICATIONS
◆ Low Power Instrumentation
◆ Software-Defi ned Radios
◆ Portable Medical Imaging
◆ Multi-Channel Data Acquisition