HCPL-7520-300

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HCPL-7520-300 application field and working principle

HCPL-7520-300 is a high performance, low power differential line receiver with Latch-Off capability and integrated Schmitt-triggers. Covering the spectrum between DC and 6 Mbps, this device combines excellent common mode transient immunity (CMTI) and data-rate flexibility. Being part of the popular HCPL-75xx family of devices, this line receiver is optimized for industrial and access control markets. It provides isolation up to 2500VRMS and an operating temperature range from -40° to +85°C.

Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps

HCPL-7520-300 is a type of linear amplifier in the instrumentation, operational amplifiers (OP-amps) and buffer amplifiers categories. It combines fast linear power amplification and voltage gain from a single power-supply. This device is designed for applications requiring high speed and high current capability. Used in instrumentation, it is ideal for signal conditioning, signal sampling, signal transmission, and signal monitoring.

Working with a single or dual supply, the HCPL-7520-300 operates with supply voltages from 3 V to 30 V. With the device tolerance to differential common-mode voltage levels up to 20V, it is highly suitable for signal outputs, and is commonly used in instrumentation amplifiers and LED drivers.

The device features a latch-off capability that enables it to drop the common-mode voltage and turn it off, allowing fast signal switching while providing immunity from power surges and adding additional isolation. It also offers transient immunity from strong electric fields, which is especially important for industrial applications. Thanks to its 6 Mbps data rate and low power, it is suitable for designs in all types of high-speed communication systems, including protocols like RS-485, USB2.0, and FireWire.

The HCPL-7520-300 works with common-mode signals up to 5.5V and features a maximum data frequency of 6 Mbps, enabling high-speed communications with inductive and capacitive loads. Furthermore, its input signals cannot be damaged when supply voltages drop below the minimum operating level of 3V. To ensure immunity from power surges and sags, the latch-off feature is also included.

The HCPL-7520-300 is an ideal solution for designs requiring high speed, high current capability, and low power. Its latch-off feature, high tolerance for differential common-mode voltage levels, and low power requirements make it the perfect choice for instrumentation, LED drivers, and other communication protocols.

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