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NSi1300-Q1 Datasheet High Reliability Reinforced Isolated Amplifier

Manufacturer: NOVOSENSE

Overview: NSI1300-Q1 High Reliability Reinforced Isolated Amplifier Datasheet (EN) 1.2 Product Overview NSI1300-Q1 is a high-performance isolated amplifier with output separated from input based on the NOVOSENSE capacitive isolation technology. The device has a linear differential input signal range of ±50mV (±64mV full-scale) or ±250mV (±320mV fullscale). The differential input is ideally suited to shunt resistor-based current sensing in high voltage applications where isolation is required. The device has a fixed gain (8.2 or 41) and provides a differential analog output. The low offset and gain drift ensure the accuracy over the entire temperature range. High common-mode transient immunity ensures that the device is able to provide accurate and reliable measurements even in the presence of high-power switching such as in motor control applications. The fail-safe functions including input common-mode overvoltage detection and missing VDD1 detection simplify system-level design and diagnostics.

Key Features

  • Up to 5700Vrms Insulation voltage.
  • ±50mV or ±250mV linear Input Voltage Range.
  • Fixed Gain: 8.2 or 41.
  • Low Offset Error and Drift: NSI1300D25: ±0.2mV (Max), -2~4μV/℃ (Max) NSI1300D05: ±0.1mV (Max), -0.8~1μV/℃ (Max).
  • Low Gain Error and Drift: ±0.3% (Max), ±50ppm/℃ (Max).
  • Low Nonlinearity and Drift: ±0.03% (Max), ±1ppm/℃ (Typ).
  • SNR: 86dB (Typ, BW=10kHz), BW=100kHz).
  • Wide bandwidth: 310kHz (Typ).
  • High CMTI: 150kV/μs (Typ).
  • System-Level Diagnostic.

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