AD7780BRUZ Datasheet PDF - ADI

GENERAL DESCRIPTION

●The AD7780 is a complete low power front-end solution for bridge sensor products, including weigh scales, strain gages, and pressure sensors. It contains a precision, low power, 24-bit sigma delta (Σ-Δ) ADC; an on-chip, low noise programmable gain amplifier (PGA); and an on-chip oscillator.

●FEATURES

●Pin-programmable filter response Update rate: 10 Hz or 16.7 Hz

●Pin-programmable in-amp gain

●Pin-programmable power-down and reset

●Status function

●Internal clock oscillator

●Internal bridge power-down switch

●Current

●   115 μA typical (gain = 1)

●   330 μA typical (gain = 128)

●Simultaneous 50 Hz/60 Hz rejection

●Power supply: 2.7 V to 5.25 V

●−40°C to +105°C temperature range

●Independent interface power supply

●Packages

●   14-lead, narrow body SOIC

●   16-lead TSSOP

●2-wire serial interface (read-only device)

●   SPI compatible

●   Schmitt trigger on SCLK

●APPLICATIONS

●Weigh scales

●Pressure measurement

●Industrial process control

●Portable instrumentation