
Allicdata Part #: | ISO7221BDRG4-ND |
Manufacturer Part#: |
ISO7221BDRG4 |
Price: | $ 0.90 |
Product Category: | Isolators |
Manufacturer: | Texas Instruments |
Short Description: | DGTL ISO 2.5KV GEN PURP 8SOIC |
More Detail: | General Purpose Digital Isolator 2500Vrms 2 Channe... |
DataSheet: | ![]() |
Quantity: | 1000 |
2500 +: | $ 0.81818 |
Common Mode Transient Immunity (Min): | 25kV/µs |
Supplier Device Package: | 8-SOIC |
Package / Case: | 8-SOIC (0.154", 3.90mm Width) |
Mounting Type: | Surface Mount |
Operating Temperature: | -40°C ~ 125°C |
Voltage - Supply: | 3 V ~ 5.5 V |
Rise / Fall Time (Typ): | 1ns, 1ns |
Pulse Width Distortion (Max): | 3ns |
Propagation Delay tpLH / tpHL (Max): | 70ns, 70ns |
Data Rate: | 5Mbps |
Series: | -- |
Voltage - Isolation: | 2500Vrms |
Channel Type: | Unidirectional |
Inputs - Side 1/Side 2: | 1/1 |
Number of Channels: | 2 |
Isolated Power: | No |
Type: | General Purpose |
Technology: | Capacitive Coupling |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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Digital Isolators are electrical components used to transfer electrical signals across insulated boundaries while maintaining electrical and safety isolation. The ISO7221BDRG4 is one of the top digital isolators in the market; it offers a wide variety of performance characteristics and advantages. These characteristics make it as the perfect choice for applications that require reliable isolation and perform dependable signal isolation.
The ISO7221BDRG4 is a fully isolated, three-channel digital isolator designed to provide reliable transmission of signals between system circuits. It offers insulation up to 4 kVrms, high isolation speed and exceptional EMI performance. The device utilizes optical coupling technology–the two electrically isolated circuits are completely separated by an optically coupled optical barrier and the signal transmission is independent from the ground potentials of the two circuits. It provides 1.25 Mbps performance with typical delay times of about 900ns, rising times of 10ns, and a 10 ns minimum pulse width.
The benefits of this device are its low power consumption, robustness to noise, and ease of installation. It also provides a cost-effective solution for protecting delicate system circuits from surge current, EMI, and other external environmental conditions. This device is ideal for use in data and control systems, medical centers, laboratories, and other places where isolation is required. The opto-isolator also offers protection from ground loops and shorts.
The working principle of the ISO7221BDRG4 begins with a light-emitting diode (LED) being turned ON and directing light through a transparent barrier. The photon stream is picked up by a receiver diode situated on the opposite side of the barrier that detects the presence of the LED and supplies power to the rest of the receiver circuit. This signal feeds into the power supply circuit from where it is directed to appropriate switches, transistors and logic gates. The response from the receiver circuit is relayed back through the optical barrier and received at the LED side. These inputs from the LED side are then directed to the switches, transistors and logic gates as something useful to the device’s operation.
The ISO7221BDRG4 isolator is ideally suited for data transfer, communication, and power applications. It can be used for a variety of applications ranging from medical equipment, industrial automation, telecommunication, transportation, and renewable energy systems to robotics systems. It offers isolation in both directions (Tx and Rx) with protection from static and electrical surges from power sources and transmission on both sides. The device also offers outstanding EMI performance, ensuring a reliable and speedy data transmission.
In summary, the ISO7221BDRG4 digital isolator is an ideal solution for systems and applications that require reliable isolation. Its wide variety of features make it the top choice in the market. It provides reliable transmission of signals between systems circuits with high isolation speeds and exceptional EMI performance. The device also offers low power consumption, robustness to noise, and protection from static and electrical surges on both sides. The opto- isolator provides cost-effective and efficient isolation, making for an easy and reliable solution for protecting delicate systems.
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