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The ISO224BDWVR is an enhanced isolated amplifier, mainly used in industrial applications that require high-precision isolation, especially in environments with severe electromagnetic interference.

Its main characteristics

The ±12V input voltage range has been optimized for isolated voltage measurement in industrial applications

9kV electrostatic discharge (ESD) overvoltage input clamp

• ±4V differential output voltage range, common-mode voltage is VDD2/2

Low DC error operation (ISO224BDWVR) :

- Input offset voltage: ±5mV at 25°C, ±15µV/°C (maximum value)

- Gain error: ±0.3% at 25°C, ±35ppm/°C (maximum value)

-Nonlinearity: ±0.01% (maximum value), ±0.1ppm/°C (typical value)

• 4.5V to 18V high-side single power supply

• Low side operation from 4.5V to 5.5V

• Safety-related certifications:

-7071 VPEAK enhanced isolation, in compliance with DIN VDE V0884-11:2017-01 standard

-5000 VRMS isolation, in compliance with UL1577 standard and lasting for 1 minute

• High CMTI (ISO224BDWVR) : 80kV/µs (typical value)

Product Details

The ISO224BDWVR is a precise isolation amplifier. The output and input circuits of this amplifier are separated by isolation barriers with extremely strong anti-electromagnetic interference performance. This isolation barrier has been certified to provide enhanced electrical isolation up to 5kVRMS, featuring an extremely long service life and low power dissipation. When used in conjunction with an isolated power supply, ISO224BDWVR can separate the components of a system operating at different common-mode voltage levels and prevent damage to components at lower voltages.

The input of ISO224BDWVR has been specifically optimized for the precise detection of ±10V signals, which are very common in industrial applications. This device operates powered by a single high-side power supply. This unique feature can simplify the design of isolated power supplies and reduce system costs. The integrated high-side power supply voltage detection function can simplify system-level diagnosis. The ±4V output of ISO224BDWVR supports the use of lower-cost analog-to-digital converters (ADCs). The differential structure of the output has stronger anti-noise performance.

The ISO224BDWVR can operate normally within an extended industrial temperature range of -55 °C to +125°C and is available in a wide-body 8-pin SOIC (DWV) package.

Application scenarios

ISO224BDWVR is used for isolated analog signal acquisition in the following fields:

-Power Grid Automation

-Protective relay

-Factory Automation and Control

-Railway transportation

-Motor driver

-Power analyzer

Performance parameters

Product: ISO224BDWVR

Type: Isolated amplifier

Number of channels: 1 Channel

Insulation voltage: 1500 Vrms

Isolation type: Galvanic

3dB bandwidth: 275 kHz

Ib - Input bias: 15 nA

Vos - Input bias voltage: 1 mV

Power supply voltage - Maximum: 18 V

Power supply voltage - minimum: 4.5V

Working power supply current: 7.8 mA

Minimum operating temperature: -55 ° C

Maximum operating temperature: + 125 ° C

Installation style: SMD/SMT

Package/Box: SOIC-8

Contact Mingjia Da immediately (www.hkmjd.com) for an exclusive quote on ISO224BDWVR!