Datasheet Linear Technology LTC2344CUH-18#PBF — 数据表

LTC2344-18
Quad, 18-Bit, 400ksps/ch
Differential SoftSpan ADC with
Wide Input Common Mode Range
DESCRIPTION FEATURES 400ksps per Channel Throughput
nn Four Simultaneous Sampling Channels
nn ±4LSB 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 95dB Single-Conversion SNR (Typical)
nn −114dB 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 32-Lead (5mm × 5mm) QFN Package The LTC®2344-18 is an 18-bit, low noise 4-channel simultaneous sampling successive approximation register (SAR)
ADC with differential, wide common mode range inputs. …