Datasheet Linear Technology LTC2345IUK-18#PBF — Datenblatt

LTC2345-18
Octal, 18-Bit, 200ksps
Differential SoftSpan ADC with
Wide Input Common Mode Range
Description Features 200ksps per Channel Throughput
nn Eight Simultaneous Sampling Channels
nn ±5LSB INL (Maximum, ±4.096V Range)
nn Guaranteed 18-Bit, No Missing Codes
nn Differential, Wide Common Mode Range Inputs
nn Per-Channel SoftSpan Input Ranges: ±4.096V, 0V to 4.096V, ±2.048V, 0V to 2.048V ±5V, 0V to 5V, ±2.5V, 0V to 2.5V
nn 91.8dB Single-Conversion SNR (Typical)
nn −113dB THD (Typical) at f = 2kHz
IN
nn 102dB CMRR (Typical) at f = 200Hz
IN
nn Rail-to-Rail Input Overdrive Tolerance
nn Guaranteed Operation to 125°C
nn Integrated Reference and Buffer (4.096V)
nn SPI CMOS (1.8V to 5V) and LVDS Serial I/O
nn Internal Conversion Clock, No Cycle Latency
nn 81mW Power Dissipation (Typical)
nn 48-Lead (7mm x 7mm) QFN Package The LTC®2345-18 is an 18-bit, low noise 8-channel simultaneous sampling successive approximation register
(SAR) ADC with differential, wide common mode range …