LTC2372-18
18-Bit, 500ksps, 8-Channel
SAR ADC with 100dB SNR
Features Description 500ksps Throughput Rate
18-Bit Resolution with No Missing Codes
8-Channel Multiplexer with Selectable Input Range
n Fully Differential (±4.096V)
n Pseudo-Differential Unipolar (0V to 4.096V)
n Pseudo-Differential Bipolar (±2.048V)
INL: ±2.75LSB (Maximum)
SNR: 100dB (Fully Differential)/95dB (PseudoDifferential) (Typical) at fIN = 1kHz
n THD: –110dB (Typical) at f = 1kHz
IN
n Programmable Sequencer
n Selectable Digital Gain Compressio Single 5V Supply with 1.8V to 5V I/O Voltages
n SPI-Compatible Serial I/O
n Onboard 2.048V Reference and Reference Buffer
n No Pipeline Delay, No Cycle Latency
n Power Dissipation 27mW (Typical)
n Guaranteed Operation to 125°C
n 32-Lead 5mm × 5mm QFN Package The LTC®2372-18 is a low noise, high speed, 8-channel
18-bit successive approximation register (SAR) ADC. Operating from a single 5V supply, the LTC2372-18 has a highly
configurable, low crosstalk 8-channel input multiplexer, …