A newer version of this product is available

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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

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) (V/°C) 0.0002 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) (V/°C) 0.0002 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 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
Simulation tool

PSPICE-FOR-TI — PSpice® for TI design and simulation tool

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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CDIP_SB (JVD) 16 View options

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