100ksps ADC Converters
Features
n Single 5V Supply n Sample Rate: 100ksps n 8-Channel Multiplexer with ±30V Protection n ±10V Bipolar Input...
Description
Features
n Single 5V Supply n Sample Rate: 100ksps n 8-Channel Multiplexer with ±30V Protection n ±10V Bipolar Input Range
Single Ended or Differential n ±3LSB INL for the LTC1856, ±1.5LSB INL for the
LTC1855, ±1LSB INL for the LTC1854 n Power Dissipation: 40mW (Typ) n SPI/MICROWIRE™ Compatible Serial I/O n Power Shutdown: Nap and Sleep n SINAD: 87dB (LTC1856) n Operates with Internal or External Reference n Internal Synchronized Clock n 28-Pin SSOP Package
Applications
n Industrial Process Control n Multiplexed Data Acquisition Systems n High Speed Data Acquisition for PCs n Digital Signal Processing
LTC1854/LTC1855/LTC1856 8-Channel, ±10V Input
12-/14-/16-Bit, 100ksps ADC Converters with Shutdown
Description
The LTC®1854/LTC1855/LTC1856 are 8-channel, low power, 12-/14-/16-bit, 100ksps, analog-to-digital converters (ADCs). These ADCs operate from a single 5V supply and the 8‑channel multiplexer can be programmed for single-ended inputs, pairs of differential inputs, or combinations of both. In addition, all channels are fault protected to ±30V. A fault condition on any channel will not affect the conversion result of the selected channel. An onboard precision reference minimizes external components. Power dissipation is 40mW at 100ksps and lower in two power shutdown modes (27.5mW in Nap mode and 40µW in Sleep mode.) DC specifications include ±3LSB INL for the LTC1856, ±1.5LSB INL for the LTC1855 and ±1LSB for the LTC1854. The internal clock is trimmed fo...
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