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IC ADC DFN-16 LINEAR TECH $*

IC ADC DFN-16 LINEAR TECH $*

Regular price $300.00 USD
Regular price Sale price $300.00 USD
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 IC ADC DFN-16 LINEAR TECH $*

is a low noise, low power, high speed 18-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2379-18 has a ±VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The LTC2379-18 consumes only 18mW and achieves ±2LSB INL maximum, no missing codes at 18 bits with 101.2dB SNR. The LTC2379-18 has a high speed SPI-compatible serial interface that supports 1.8V, 2.5V, 3.3V and 5V logic while also featuring a daisy-chain mode. The fast 1.6Msps throughput with no cycle latency makes the LTC2379-18 ideally suited for a wide variety of high speed applications. An internal oscillator sets the conversion time, easing external timing considerations. The LTC2379-18 automatically powers down between conversions, leading to reduced power dissipation that scales with the sampling rate. The LTC2379-18 features a unique digital gain compression (DGC) function, which eliminates the driver amplifier’s negative supply while preserving the full resolution of the ADC. When enabled, the ADC performs a digital scaling function that maps zero-scale code from 0V to 0.1 • VREF and full-scale code from VREF to 0.9 • VREF. For a typical reference voltage of 5V, the full-scale input range is now 0.5V to 4.5V, which provides adequate headroom for powering the driving amplifier from a single 5.5V supply.

Features: n 1.6Msps Throughput Rate n ±2LSB INL (Max) n Guaranteed 18-Bit No Missing Codes n Low Power: 18mW at 1.6Msps, 18µW at 1.6ksps n 101.2dB SNR (typ) at fIN = 2kHz n –120dB THD (typ) at fIN = 2kHz n Digital Gain Compression (DGC) n Guaranteed Operation to 125°C n 2.5V Supply n Fully Differential Input Range ±VREF n VREF Input Range from 2.5V to 5.1V n No Pipeline Delay, No Cycle Latency n 1.8V to 5V I/O Voltages n SPI-Compatible Serial I/O with Daisy-Chain Mode n Internal Conversion Clock n 16-Lead MSOP and 4mm × 3mm DFN Packages

Applications: n Medical Imaging n High Speed Data Acquisition n Portable or Compact Instrumentation n Industrial Process Control n Low Power Battery-Operated Instrumentation n ATE


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