Linear Technology DC798B Demonstration Board.
LTC2480: 16-Bit Delta-Sigma ADC with Easy Drive Input Current Cancellation.
The LTC2480 is a 16-Bit Delta-Sigma ADC with Easy Drive Input Current Cancellation.
It includes on-chip programmable gain and an oscillator. The LTC2480 can be
configured to provide a programmable gain from 1 to 256 in 8 steps, measure an
external signal or internal temperature sensor and reject line frequencies. 50Hz,
60Hz or simultaneous 50Hz/60Hz line frequency rejection can be selected as well
as a 2x speed-up mode.
The voltage on the input pins can have any value between GND – 0.3V and VCC + 0.3V.
Within these limits the converter bipolar input range (VIN = IN+ – IN–) extends
from –0.5 • VREF/GAIN to 0.5 • VREF/GAIN. Outside this input range the converter
produces unique overrange and underrange output codes.
http://www.linear.com/product/LTC2480
http://www.linear.com/product/LTC2480#demoboards
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Definition in file DC798B.ino.