Linear Technology LTC2374CUH-16#TRPBF

Description
The LTC2374-16 is a 16-bit, 1.6Msps, 8-channel SAR ADC with 96dB SNR. It operates from a single 5V supply and has a highly configurable, low crosstalk 8-channel input multiplexer, supporting fully differential, pseudo-differential unipolar, and pseudo-differential bipolar analog input ranges. The LTC2374-16 achieves ±1LSB INL (maximum) in all input ranges, no missing codes at 16-bits, and 96dB (fully differential)/93dB (pseudo-differential) SNR (typical).
The LTC2374-16 has an onboard low drift (20ppm/°C max) 2.048V temperature-compensated reference and a single-shot capable reference buffer. It also has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V, and 5V logic through which a sequencer with a depth of 16 may be programmed. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2374-16 dissipates only 55mW and automatically naps between conversions, leading to reduced power dissipation that scales with the sampling rate. A sleep mode is also provided to reduce the power consumption of the LTC2374-16 to 300μW for further power savings during inactive periods.

Features
1.6Msps Throughput Rate
16-Bit Resolution with No Missing Codes
8-Channel Multiplexer with Selectable Input Range
Fully Differential (±4.096V)
Pseudo-Differential Unipolar (0V to 4.096V)
Pseudo-Differential Bipolar (±2.048V)
INL: 1LSB (Maximum)
SNR: 96dB (Fully Differential)/93dB (Pseudo-Differential) (Typical) at fIN = 1kHz
THD: -114dB (Typical) at N = 1kHz
Programmable Sequencer
Selectable Digital Gain Compression
Single 5V Supply with 1.8V to 5V I/O Voltages
SPI-Compatible Serial I/O
Onboard 2.048V Reference and Reference Buffer
No Pipeline Delay, No Cycle Latency
Power Dissipation 55mW (Typical)
32-Lead 5mm x 5mm QFN Package

Applications
Programmable Logic Controllers
Industrial Process Control
High Speed Data Acquisition
Portable or Compact Instrumentation
ATE