| Allicdata Part #: | 516-1013-5-ND |
| Manufacturer Part#: |
HCPL-070A |
| Price: | $ 1.53 |
| Product Category: | Isolators |
| Manufacturer: | Broadcom Limited |
| Short Description: | OPTOISO 3.75KV DARL W/BASE 8SOIC |
| More Detail: | Optoisolator Darlington with Base Output 3750Vrms ... |
| DataSheet: |  HCPL-070A Datasheet/PDF |
| Quantity: | 1000 |
| 1600 +: | $ 1.39091 |
Specifications
| Output Type: | Darlington with Base |
| Supplier Device Package: | 8-SO |
| Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type: | Surface Mount |
| Operating Temperature: | 0°C ~ 70°C |
| Vce Saturation (Max): | -- |
| Current - DC Forward (If) (Max): | 5mA |
| Voltage - Forward (Vf) (Typ): | 1.25V |
| Current - Output / Channel: | 60mA |
| Voltage - Output (Max): | 18V |
| Series: | -- |
| Input Type: | DC |
| Rise / Fall Time (Typ): | -- |
| Turn On / Turn Off Time (Typ): | 3µs, 34µs |
| Current Transfer Ratio (Max): | 8000% @ 500µA |
| Current Transfer Ratio (Min): | 600% @ 500µA |
| Voltage - Isolation: | 3750Vrms |
| Number of Channels: | 1 |
| Part Status: | Active |
| Packaging: | Tube |
Description
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The HCPL-070A is an optoisolator of the transistor, photovoltaic output type. Optoisolators are essentially solid-state devices that use the electrical output signals of an opto-component to control adjacent electrical circuits without any direct electrical connection. This offers a completely isolated interface between the two circuits, which provides a much higher level of safety and efficiency in systems that require the separation of electronics for safety reasons. The HCPL-070A is specifically designed to interface circuits not only in terms of voltage levels, but in terms of frequency as well.
The primary application of the HCPL-070A is as an isolator between digital logic and analog circuits. By isolating the two circuits, it is possible to control the operation of the receiving analog circuit without the danger of any logic outputs or spurious signals causing issues with the analog signals. Additionally the HCPL-070A can be used as an isolator to provide extended feedback control in analog circuits, providing an increased level of protection against system over-voltage or current overloads.
The device itself is a 4-pin opto-isolator package, which contains a photodetector and a Gallium-Arsenide Infra-Red (IR) LED. When an electrical signal is applied to the LED, the LED emits light that passes through an optical filter to a photodetector. The photodetector in turn, converts the light to a current, which is then amplified by a high-gain amplifier and drives the output stage. The output stage in the HCPL-070A is an n-channel FET with a voltage source bias. This eliminates the need for additional voltage systems, and simplifies the connections required between the input and output of the device.
The two most important parameters for the HCPL-070A are the LED current and the output voltage. The LED current is controlled by the external circuitry, and is typically set to a maximum value of 50mA. For the output voltage, the HCPL-070A has a maximum rating of 10V, allowing it to provide interface for both TTL and LVDS (Low Voltage Differential Signal) logic families. Additionally, the output can be used to control a wide variety of analog signals, from a few millivolts to 10V.
The HCPL-070A is also a high-speed device; it can respond to changing input signals at frequencies of up to 25MHz. This makes it suitable for applications such as fiber-optic communications, where fast response is essential. Additionally, it is designed to work in a wide range of environmental conditions, giving it a much longer and more reliable operational lifespan than many other opto-isolator devices.
In conclusion, the HCPL-070A is an ideal optoisolator for a wide range of applications. It is capable of handling large voltage differences between the input and output, allowing it to provide both TTL and LVDS logic interface. Additionally, its fast response time and wide temperature range make it suitable for systems with very demanding operating requirements.
The specific data is subject to PDF, and the above content is for reference
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