Click to expand full text
LTC2487
FEATURES
16-Bit 2-/4-Channel DS ADC
with PGA, Easy Drive and I2C Interface
DESCRIPTION
n Up to 2 Differential or 4 Single-Ended Inputs n Easy Drive™ Technology Enables Rail-to-Rail
Inputs with Zero Differential Input Current n Directly Digitizes High Impedance Sensors with
Full Accuracy n 2-Wire I2C Interface with 9 Addresses Plus One
Global Address for Synchronization n 600nV RMS Noise n Programmable Gain from 1 to 256 n Integrated High Accuracy Temperature Sensor n GND to VCC Input/Reference Common Mode Range n Programmable 50Hz, 60Hz or Simultaneous
50Hz/60Hz Rejection Mode n 2ppm INL, No Missing Codes n 1ppm Offset and 15ppm Full-Scale Error n 2x Speed/Reduced Power Mode (15Hz Using Internal
Oscillator and 80µA at 7.