Datasheet > NSI1200C

NSI1200C

更新时间： 2024-04-09 18:59:50

品牌	Logo	应用领域
纳芯微 - NOVOSENSE		隔离技术
页数	文件大小	规格书
25页	2721K
描述
NSI1200C是输出与输出基于NOVOSENSE电容隔离技术的隔离电流采样运放。此系列产品具有线性差分输入信号±250mV范围(满量程±320mV)。故障安全功能包括输入共模过压检测和VDD1缺

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NSI1200C 数据手册

NSI1200C

High Reliability Reinforced

Isolated Amplifier

Datasheet (EN) 1.0



VDD1 monitoring

Product Overview

Input common-mode overvoltage detection

NSI1200C 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 ±250mV (±320mV full-

scale). The differential input is ideally suited to shunt

resistor-based current sensing in high voltage

applications where isolation is required.



Operation Temperature: -40℃~125℃

RoHS-Compliant Packages:

SOP8(300mil), DUB8, SOP8(150mil)

Safety Regulatory Approvals

The device has a fixed gain of 8.0 and provides a

differential analog output.



UL recognition:



SOW8, DUB8: 5000V_rmsfor 1 minute per UL1577

SOP8: 3000V_rmsfor 1 minute per UL1577

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.



CQC certification per GB4943.1

CSA component notice 5A

DIN EN IEC 60747-17 (VDE 0884-17)

Applications



Shunt current monitoring

Motor Drives

Uninterruptible Power Suppliers

Solar Inverters

Key Features



Up to 5000V_rmsInsulation voltage

±250mV linear Input Voltage Range

Fixed Gain: 8.0

Device Information

Part Number

Package

Body Size

NSI1200C-DSWVR

SOP8(300mil) 5.85mm × 7.50mm

NSI1200C-DDBR

NSI1200C-DSPR

DUB8

9.32mm × 6.40mm

Low Offset Error and Drift:

±0.5mV (Max), ±5μV/℃(Max)

Low Gain Error and Drift:

SOP8(150mil) 4.90mm × 3.90mm

Functional Block Diagrams



VDD2

VDD1

±0.3% (Max), ±30ppm/℃(Max)

Low Nonlinearity and Drift:

±0.05% (Max), ±1ppm/℃(Typ)

SNR: 72dB (Typ, BW=100kHz)

Wide bandwidth: 220kHz (Typ)

High CMTI: 125kV/μs (Typ)

System-Level Diagnostic Features:

VDD1 detection

Reference

Retiming

and 4^th

INP

INN

OUTP

OUTN

Order Active

Low-Pass

Filter

Σ-Δ modulator



Reference

Oscillator

GND1

GND2

Figure 1. NSI1200C Block Diagram

Page 1

12 3 4 5 6 7...25

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