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LIMCHIP CO., LIMITED
Professional Electronic Components Distributor · HK · SZ · SG · Original Stock · Global Shipping
RFQ ListingAnalog ICs & Data Converters
NSI1300D25-DSWVR is a NOVOSENSE isolated current-sense amplifier using capacitive isolation technology, with a +/-250 mV linear input, fixed gain 8.2 V/V and a differential analog output. Low offset and gain drift plus 100 kV/us-class CMTI keep shunt measurements accurate in motor drives, inverters and onboard chargers.
ManufacturerNOVOSENSE (Novosense Microelectronics)
PackageSOP-8 wide body (300 mil), 5.85 × 7.50 mm
SeriesNSI1300
Analog / Signal Chain Specifications
| Parameter | Value / Specification |
|---|---|
| Channels / Configuration | Single isolated amplifier channel with NOVOSENSE capacitive isolation barrier and differential analog output |
| Input Range | +/-250 mV linear differential input (+/-320 mV full scale), matched to shunt-resistor current sensing |
| Gain / Offset Accuracy | Fixed gain 8.2 V/V; offset +/-0.2 mV max with about +/-3 uV/degC max drift; gain error +/-0.3% max with +/-50 ppm/degC drift |
| Bandwidth / SNR | 310 kHz typical bandwidth; SNR 86 dB typ at BW = 10 kHz (72 dB at 100 kHz) |
| Isolation | 5000 Vrms reinforced insulation per UL1577; CMTI 100 kV/us minimum, about 150 kV/us typical |
| Supply Voltage | Up to 5.5 V on both VDD1 and VDD2 supply sides |
| Diagnostics | Input common-mode overvoltage detection and VDD1 missing detection for fail-safe system design |
| Temperature Grade | -40 °C to +125 °C, industrial grade |
| Package / Case | SOP-8 wide body (300 mil), 5.85 × 7.50 mm |
Analog Features & Applications
- Capacitive isolation barrier with 5000 Vrms reinforced insulation
- Fixed gain 8.2 V/V with +/-250 mV linear shunt input range
- Ultra-low offset and gain drift preserve accuracy over temperature
- High CMTI keeps measurements valid in high-power switching environments
- Fail-safe diagnostics: input common-mode overvoltage and VDD1 loss detection
- UL1577, VDE 0884-17 and CQC safety-related approvals
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Frequently Asked Questions
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