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The passive IC contains a current signal modulation and demodulation circuit, a signal coupling isolation conversion circuit, etc., and a small input equivalent resistance, so that the input voltage of the IC reaches an ultra-wide range (7.5-32V), so that the user does not need to externally connect. Power supply to achieve long-distance signal transmission without distortion. The internal ceramic substrate, printed resistor technology and new technology isolation measures enable the device to meet the 3KVAC insulation voltage and industrial grade wide temperature, humidity, vibration and harsh environment requirements. ISO; 4-20mA series products are very convenient to use, no external components can be used to achieve 4-20mA current loop isolation or signal one-in, two-out, two-in and two-out conversion functions.
The active IC is a hybrid integrated circuit that integrates a highly isolated DC/DC power supply and a high performance linear optocoupler on the same chip. In addition to powering the internal amplifier circuit, the chip can also provide two sets of isolated positive and negative DC power supplies and two sets of 5VDC regulated reference sources to the external (signal input and output), which are designed for external circuit expansion, such as electricity. User-specific circuits such as bridge circuits and small-signal preamplifier circuits. This series of products has a wide signal bandwidth of 20KHZ, which can isolate, condition and transform 0~±10VDC bidirectional DC signals or 0~5VAC AC signals. The IC is small in size and easy to use, allowing for analog signal (I/I I/V V/I V/V) isolation and conversion with very few external components.
Main application areas: Analog signal data acquisition, isolated transmission and power supply, industrial field signal isolation transmission and conversion, ground line interference suppression, signal remote distortion-free transmission, instrumentation and sensor signal isolation. Power equipment and medical instrument safety barriers.
Product System:
ISO 4-20mA; Series—Two-wire passive 4-20mA signal isolation conditioning IC
ISO-Ax-Px-Ox Series—-DC Current Signal (I/V I/I) Isolation Amplifier IC
ISO-Ux-Px-Ox Series—-DC Voltage Signal (V/I V/V) Isolation Amplifier IC
ISO1001 ;/1002 ; Series --- DC bidirectional or AC signal isolation amplifier IC
Product Features:
Accuracy level: 0.1, 0.2, 0.5;
Extremely high linearity over the full range (non-linearity GB standard signal: ; 0-10mA/0-20mA/4-20mA/0-5V/0-10V/0-±5V/1-5V input/output. Low input impedance and high output load capability;
Signal input / output / auxiliary power supply; 3KV three isolation;
Single power supply, providing users with isolated power at the signal input or output;
Low cost, small size, standard single column SIP12 and dual row DIP24 pin IC package;
Industrial grade operating temperature range, vacuum potting of flame retardant materials in accordance with UL-94.
Shunyuan Technology Introduces Dual 0-5V/4-20mA Highly Integrated Isolated Converter
The ISO series of isolation amplifiers is a hybrid integrated circuit (IC) that isolates and converts analog signals proportionally. It is divided into active (including auxiliary power) and passive.