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ISO7740FDWR
+BOMDGTL ISOLTR 5KV 4CH GP 16-SOIC
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ManufacturerTexas Instruments
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Mfr. Part #ISO7740FDWR
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Datasheet ISO7740FDWR DataSheet
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In Stock9523
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Specifications
| Attribute | Value |
| PartStatus | Active |
| Technology | Capacitive Coupling |
| Type | General Purpose |
| IsolatedPower | No |
| NumberofChannels | 4 |
| Inputs-Side1/Side2 | 4/0 |
| ChannelType | Unidirectional |
| Voltage-Isolation | 5000Vrms |
| CommonModeTransientImmunity(Min) | 85kV/µs |
| DataRate | 100Mbps |
| PropagationDelaytpLH/tpHL(Max) | 16ns, 16ns |
| PulseWidthDistortion(Max) | 4.9ns |
| Rise/FallTime(Typ) | 2.4ns, 2.4ns |
| Voltage-Supply | 2.25V ~ 5.5V |
| OperatingTemperature | -55°C ~ 125°C |
| MountingType | Surface Mount |
| Package/Case | 16-SOIC (0.295", 7.50mm Width) |
| SupplierDevicePackage | 16-SOIC |
| BaseProductNumber | ISO7740 |
Overview
Description
Key features of the ISO7740 series include low power consumption, high data rate capabilities, and robust electromagnetic compatibility. They are designed to handle data rates up to 100 Mbps and provide a high degree of isolation, typically around 5,000 Vrms. The devices are used in applications where digital signals need to be isolated, such as in industrial control systems, medical equipment, and power electronics.
These digital isolators are based on capacitive isolation technology, ensuring signal integrity over a wide range of environmental conditions. Additionally, they conform to various safety standards, making them suitable for use in critical applications where electronic safety is a concern.
Equivalent
1. ADuM140D from Analog Devices
2. Si8640 from Skyworks Solutions (formerly Silicon Labs)
3. MAX14434 from Maxim Integrated
These equivalents are chosen based on isolation channels, data rate, and similar specifications. Always check the specific data sheets to ensure compatibility with your application requirements.
Features
1. Isolation Voltage: It offers a high isolation rating of 5000 Vrms, making it suitable for applications requiring robust isolation.
2. Channels: The device includes four channels, supporting uni- or bi-directional data communication.
3. Data Rate: The isolator supports data rates up to 100 Mbps, enabling fast data transmission.
4. Temperature Range: It operates over an extended temperature range of -40°C to +125°C, ensuring reliability in harsh environments.
5. Low Power Consumption: With low power consumption, it is efficient for power-sensitive applications.
6. Noise Immunity: Features high noise immunity to electromagnetic interference, enhancing performance in noisy environments.
7. Safety: Complies with safety standards like UL 1577 and VDE 0884-11, ensuring safe isolation.
8. Package: Available in a 16-pin SOIC package, facilitating easy integration into designs.
These features make the ISO7740FDWR suitable for industrial automation, automotive systems, and other applications requiring reliable isolation and data integrity.
Pinout
Pin Count: 16 pins
Function:
1. Channels: The ISO7740FDWR provides four separate isolation channels for digital signals. This allows for the transmission of data across an isolation barrier while maintaining electrical separation, which protects sensitive components and systems.
2. Isolation: It offers galvanic isolation, which is critical in protecting low-voltage circuits from high voltages, transient voltage spikes, and noise.
3. Data Rate: It supports high-speed data transmission, up to several Mbps, making it suitable for various applications, including industrial, automotive, and communication systems.
Overall, the ISO7740FDWR provides robust isolation and high-speed data communication capabilities, crucial for ensuring safety and performance in electronic systems.
Manufacturer
Application
1. Industrial Automation: Protects control systems from noise and voltage spikes.
2. Power Supplies: Isolates feedback paths in power management systems.
3. Medical Equipment: Provides patient safety by isolating data paths.
4. Energy Systems: Used in solar inverters and battery management systems for safe communication.
5. Communication Systems: Isolates interfaces like RS-485 and CAN for reliable data transmission.
6. Automotive Electronics: Used in electric vehicles for isolating low-voltage circuits from high-voltage systems.
These applications benefit from the device's high-speed data transfer, low power consumption, and robust isolation rating.