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Isolated amplifiers

ISO121

ACTIVE

±10-V input, precision voltage sensing isolated amplifier

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Data sheet

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Same functionality with different pin-out to the compared device
ISO124 ACTIVE ±10-V input, precision voltage sensing low-cost isolated amplifier Smaller package and increased transient isolation voltage
ISO224 ACTIVE ±12-V input, precision voltage sensing reinforced isolated amplifier Newer version

ISO121

ACTIVE
Data sheet Order now

Product details

Device type Voltage sensing Peak-to-peak input voltage range (V) 10 Working isolation voltage (VIOWM) (Vrms) 3500 Input offset (±) (max) (V) 0.05 Input offset drift (±) (typ) (µV/°C) 200 Rating Catalog Operating temperature range (°C) -55 to 125
Device type Voltage sensing Peak-to-peak input voltage range (V) 10 Working isolation voltage (VIOWM) (Vrms) 3500 Input offset (±) (max) (V) 0.05 Input offset drift (±) (typ) (µV/°C) 200 Rating Catalog Operating temperature range (°C) -55 to 125
CDIP_SB (JVD) 16 769.47675 mm² 50.925 x 15.11
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Technical documentation

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Type Title Date
* Data sheet Precision Low Cost Isolation Amplifier datasheet 27 Sep 2000
Application brief Shunt-Widerstandsauswahl für isolierte Datenwandler PDF | HTML 15 Aug 2024
Application brief 절연 데이터 컨버터를 위한 션트 레지스터 선택 PDF | HTML 15 Aug 2024
White paper Vergleich isolierter Verstärker und isolierter Modulatoren (Rev. B) PDF | HTML 02 Jul 2024
White paper 절연 증폭기와 절연 모듈레이터 비교 (Rev. B) PDF | HTML 02 Jul 2024
Application brief Shunt Resistor Selection for Isolated Data Converters PDF | HTML 04 May 2023
White paper Comparing isolated amplifiers and isolated modulators (Rev. A) 28 Feb 2019
Application note Boost ISO120 Bandwidth to More Than 100kHz 27 Sep 2000
Application note Partial Discharge Testing: What It Is and What It Means 27 Sep 2000
Application note Single-Supply Operation of Isolation Amplifiers 27 Sep 2000
Application note Synchronization Of ISO120/121 Isolation Amplifier 27 Sep 2000

Design & development

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Simulation model

ISO121 PSpice Model

SBOM031.ZIP (1 KB) - PSpice Model
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CDIP_SB (JVD) 16 Ultra Librarian
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