LTC2378-20

FEATURES n 1Msps Throughput Rate n ±0.5ppm INL (Typ) n Guaranteed 20-Bit No Missing Codes n Low Power: 21mW at 1Msps, 21µW at 1ksps n 104dB SNR (Typ) at fIN = 2kHz n –125dB THD (Typ) at fIN = 2kHz n Digital Gain Compression (DGC) n Guaranteed Operation to 85°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 L, LT, LTC, LTM, Linear Technology and the Linear logo are registered trademarks and SoftSpan is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. Patents Pending. Protected by U.S. Patents, including 7705765, 7961132, 8319673. LTC2378-20 20-Bit, 1Msps, Low Power SAR ADC with 0.5ppm INL DESCRIPTION The LTC®2378-20 is a low noise, low power, high speed 20-bit successive approximation register (SAR) ADC. Operating from a 2.5V supply, the LTC2378-20 has a ±VREF fully differential input range with VREF ranging from 2.5V to 5.1V. The LTC2378-20 consumes only 21mW and achieves ±2ppm INL maximum, no missing codes at 20 bits with 104dB SNR. The LTC2378-20 has a high speed SPI-compatible serial interface ...