NSI1306M25-DSWVR

ADCs/DACs - Special Purpose Overview

The NSI1306M25-DSWVR is a high-reliability isolated Sigma-Delta modulator manufactured by Novosense. It features a single channel with 16-bit resolution and a sampling rate of 78.125kHz. The device operates on a supply voltage range of 3V to 5.5V and supports an input signal range of ±50mV or ±250mV. Key electrical parameters include an integral nonlinearity of 1LSB, a typical SNR of 82.5dB or 86dB, and a common-mode transient immunity (CMTI) of 150kV/μs. It functions within a temperature range of -40°C to +125°C and is housed in an SOP8 package measuring 5.85 x 7.50mm.

ADCs/DACs - Special Purpose Feature Summary

• High insulation voltage up to 5000Vrms
• 16-bit resolution at 78.125ksps with 82.5dB/86dB SNR
• ±50mV or ±250mV linear differential input range
• System-level diagnostics including AVDD monitoring and VDD1 missing detection

ADCs/DACs - Special Purpose Applications

• Servo drive current sampling
• Isolated current sensing based on shunt resistors
• Motor control applications requiring high CMTI

ADCs/DACs - Special Purpose Procurement Notes

Verify the specific suffix DSWVR against the manufacturer's official datasheet to confirm pinout and packaging dimensions. Ensure the supplier provides documentation confirming UL1577, CSA, and VDE safety certifications for the isolated barrier. Cross-reference the operating voltage requirements with the target system's digital logic levels.

ADCs/DACs - Special Purpose Selection Notes

Select this component when a 16-bit resolution ADC with integrated isolation is required for current sensing. The fixed gain architecture simplifies design compared to programmable gain amplifiers. Verify that the external clock frequency falls within the 5MHz to 21MHz range to achieve the specified 78.125ksps output data rate.

ADCs/DACs - Special Purpose Part Context

This part belongs to the NSI1306 series of isolated Sigma-Delta modulators from Novosense. It utilizes capacitive isolation technology to separate the analog input side from the digital output side. The device is designed to replace traditional isolated amplifier solutions by providing direct digital output compatible with microcontrollers.

ADCs/DACs - Special Purpose Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.