a FEATURES AD1555 Fourth Order ⌺- ⌬ Modulator .
Analog Devices
AD1555 - 24-Bit ADC WITH LOW NOISE PGA
a FEATURES AD1555 Fourth Order ⌺- ⌬ Modulator Large Dynamic Range 116 dB Min, 120 dB Typical @ 1 ms 117 dB Typical @ 0.5 ms Low Input Noise: 80 nV rms.