Overview
The HCPL2631SDV is a high-speed, dual-channel logic gate optocoupler produced by onsemi. This component is part of the HCPL2631 series, which features an 850 nm AlGaAS LED optically coupled to a very high-speed integrated photo-detector logic gate. The device is designed for applications requiring high-speed data transmission and isolation between different voltage domains.
The HCPL2631SDV offers superior common mode rejection (CMR) and high-speed operation, making it suitable for a variety of industrial and commercial applications. It is available in a PDIP8 package with surface mount lead bend and tape and reel options, ensuring flexibility in design and manufacturing.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Storage Temperature | −55 to +125 | °C |
| Operating Temperature | −40 to +85 | °C |
| Lead Solder Temperature | 260 for 10 s | °C |
| DC/Average Forward Input Current (Each Channel) | 30 | mA |
| Enable Input Voltage | Not to Exceed VCC by More than 500 mV | V |
| Reverse Input Voltage (Each Channel) | 5.0 | V |
| Power Dissipation (Each Channel) | 45 | mW |
| Supply Voltage | 7.0 | V |
| Output Current (Each Channel) | 50 | mA |
| Output Voltage (Each Channel) | 7.0 | V |
| Common Mode Transient Immunity (at Output HIGH Level) | 5000 to 10,000 | V/μs |
| Common Mode Transient Immunity (at Output LOW Level) | 5000 to 10,000 | V/μs |
| Input Threshold Current | 3 to 5 | mA |
| Enable Propagation Delay Time to Output HIGH Level | 20 | ns |
| Enable Propagation Delay Time to Output LOW Level | 20 | ns |
Key Features
- Very High Speed: 10 MBit/s data transmission rate.
- Superior CMR: Minimum common mode rejection of 5 kV/μs.
- Double Working Voltage: Up to 480 V.
- Fan-out of 8: Over the temperature range of −40°C to +85°C.
- Logic Gate Output: Strobable output with open collector configuration for wired OR outputs.
- Internal Noise Shield: Provides superior common mode rejection.
- UL Recognized: File # E90700.
Applications
- Ground Loop Elimination: Effective in eliminating ground loops in various systems.
- LSTTL to TTL, LSTTL or 5-volt CMOS: Compatible with multiple logic families.
- Line Receiver, Data Transmission: Suitable for high-speed data transmission applications.
- Data Multiplexing: Used in data multiplexing scenarios.
- Switching Power Supplies: Ideal for use in switching power supply circuits.
- Pulse Transformer Replacement: Can replace pulse transformers in many applications.
- Computer-Peripheral Interface: Used in interfaces between computers and peripherals.
Q & A
- What is the maximum operating temperature of the HCPL2631SDV?
The maximum operating temperature is +85°C.
- What is the minimum common mode rejection (CMR) of the HCPL2631SDV?
The minimum CMR is 5 kV/μs.
- What is the typical input threshold current for the HCPL2631SDV?
The typical input threshold current is between 3 to 5 mA.
- What is the fan-out of the HCPL2631SDV over the specified temperature range?
The fan-out is 8 over the temperature range of −40°C to +85°C.
- Does the HCPL2631SDV require an external pull-up resistor for the enable input?
No, the device has an internal pull-up resistor for the enable input.
- What is the recommended bypass capacitor value and placement for the VCC supply?
A 0.1 μF capacitor should be connected between pins 8 and 5, close to the package VCC and GND pins.
- What are the typical propagation delay times for the enable input to output HIGH and LOW levels?
The typical propagation delay times are both 20 ns.
- Is the HCPL2631SDV UL recognized?
- What are some common applications of the HCPL2631SDV?
Common applications include ground loop elimination, LSTTL to TTL or CMOS interfaces, line receivers, data transmission, data multiplexing, switching power supplies, and pulse transformer replacement.
- What is the maximum input signal current for the HCPL2631SDV?
The maximum input signal current is 5 mA.
