Texas Instruments AMC1200C Bedienungsanleitung

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AMC1200C Precision, ±250mV Input, Basic Isolated Amplifier With Differential Output

1 Features

•Linear input voltage range: ±250mV

•Supply voltage range:

–High-side (VDD1): 3.0V to 5.5V

–Low-side (VDD2): 3.0V to 5.5V

•Fixed gain: 8.0V/V

•Differential analog output

•Low DC errors:

–Offset error: ±0.2mV (maximum)

–Offset drift: ±2µV/°C (maximum)

–Gain error: ±0.25% (maximum)

–Gain drift: ±35ppm/°C (maximum)

–Nonlinearity: 0.04% (maximum)

•High CMTI: 150V/ns (minimum)

•Low EMI: Meets CISPR-11 and CISPR-25

standards

•Isolation ratings: Basic isolation

•Safety-related certifications:

–DIN EN IEC 60747-17 (VDE 0884-17)

–UL 1577

•Fully specified over the extended industrial

temperature range: –40°C to +125°C

2 Applications

•Industrial motor drives

•Frequency inverters

•Server power-supply units (PSU)

•Power factor correction (PFC)

3 Description

The AMC1200C is a precision, galvanically isolated

amplifier with a ±250mV, differential input and

differential output. The input is optimized for direct

connection to a shunt resistor or other low-impedance

signal source.

The isolation barrier separates parts of the system

that operate on different common-mode voltage

levels. The isolation barrier is highly resistant to

magnetic interference. This barrier is certified to

provide basic isolation up to 5kV

RMS

(60s).

The AMC1200C outputs a differential signal

proportional to the input voltage. The differential

output is insensitive to ground shifts and enables

routing the output signal over long distances.

The AMC1200C comes in 8-pin, wide-body SOIC and

SOP packages. The device is fully specified over the

temperature range from –40°C to +125°C.

Package Information

PART NUMBERPACKAGE

(1)

PACKAGE SIZE

(2)

AMC1200C

DUB (SOP, 8)9.5mm × 10.4mm

DWV (SOIC, 8)5.85mm × 11.5mm

(1)For more information, see the Mechanical, Packaging, and

Orderable Information.

(2)The package size (length × width) is a nominal value and

includes pins, where applicable.

VDD2

Low-side supply

(3.3V or 5V)

Galvanic Isolation

OUTP

OUTN

GND2

ADC

±2.0 VV

CMout

GND1

INP

INN

VDD1

RSHUNT

I

High-side supply

(3.3V or 5V)

+250mV

0 V

–250mV

Typical Application

AMC1200C

SBASB99 – NOVEMBER 2025

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

Produktspezifikationen