AMC1035 Delta-Sigma Modulator With Bipolar Input of ±1 V and Reference Output of 2.5 V

1 Features

Delta-sigma modulator optimized for voltage and temperature sensing:
- ±1-V input voltage range
- High differential input resistance: 1.6 GΩ (typ)
- Integrated 2.5-V, ±5-mA reference for ratiometric measurement
Excellent DC performance:
- Offset error: ±0.5 mV (max)
- Offset drift: ±6 µV/°C (max)
- Gain error: ±0.25% (max)
- Gain drift: ±45 ppm/°C (max)
- Ratiometric gain drift: ±15 ppm/°C (max)
Selectable manchester encoded or uncoded bitstream output
Fully specified over the extended industrial temperature range: –40°C to +125°C