AMC1311B-Q1 Datasheet | Texas Instruments

AMC1311-Q1 SBAS897C - MARCH 2018 - REVISED JUNE 2022 AMC1311x-Q1 Automotive, High-Impedance, 2-V Input, Reinforced Isolated Amplifiers 1 Features 3 Description - AEC-Q100 qualified for automotive applications: The AMC1311-Q1 is a precision, isolated amplifier - Temperature grade 1: - 40°C to +125°C, TA - 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 with an output separated from the input circuitry by a capacitive isolation barrier that is highly resistant to magnetic interference. This barrier is certified to provide reinforced galvanic isolation of up to 5 k VRMS according to DIN EN IEC 60747-17 (VDE 0884-17) and UL1577 and supports a working voltage of up to 1500 VRMS. - Low DC errors: - AMC1311-Q1: The isolation barrier separates parts of the system that operate on different mon-mode voltage levels - Offset error: ±9.9 m V (maximum) and protects the low-voltage side from voltages that - Offset drift: ±20 µV/°C (typical) can cause electrical damage or be harmful to an - Gain error: ±1% (maximum) operator. - Gain drift: ±30 ppm/°C (typical) - AMC1311B-Q1: - Offset error: ±1.5 m V (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 k V/μs...