AMC1311x-Q1 Automotive, High-Impedance, 2-V Input, Reinforced Isolated Amplifiers

1 Features

AEC-Q100 qualified for automotive applications:
- Temperature grade 1: –40°C to +125°C, T_A
Functional Safety-Capable
- Documentation available to aid functional safety system design
2-V, high-impedance input voltage range optimized for isolated voltage measurement
Fixed gain: 1
Low DC errors:
- AMC1311-Q1:
  - Offset error: ±9.9 mV (maximum)
  - Offset drift: ±20 µV/°C (typical)
  - Gain error: ±1% (maximum)
  - Gain drift: ±30 ppm/°C (typical)
- AMC1311B-Q1:
  - Offset error: ±1.5 mV (maximum)
  - Offset drift: ±10 µV/°C (maximum)
  - Gain error: ±0.2% (maximum)
  - Gain drift: ±40 ppm/°C (maximum)
- Nonlinearity: 0.04% (maximum)
3.3-V operation on high-side (AMC1311B-Q1)
High CMTI: 100 kV/μs (AMC1311B-Q1)
Missing high-side supply indication
Safety-related certifications:
- 7000-V_PK reinforced isolation per DIN EN IEC 60747-17 (VDE 0884-17)
- 5000-V_RMS isolation for 1 minute per UL1577