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ISO7221ADR
+Lista de MateriaisDGTL ISOLTR 2.5KV 2CH GP 8-SOIC
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FabricanteTexas Instruments
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Peça do Fabricante #ISO7221ADR
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Ficha Técnica ISO7221ADR DataSheet
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Especificações
| Atributo | Valor |
| Part Status | Active |
| Technology | Capacitive Coupling |
| Type | General Purpose |
| Isolated Power | No |
| Number of Channels | 2 |
| Inputs - Side 1/Side 2 | 1/1 |
| Channel Type | Unidirectional |
| Voltage - Isolation | 2500Vrms |
| Common Mode Transient Immunity (Min) | 25kV/µs |
| Data Rate | 1Mbps |
| Propagation Delay tpLH / tpHL (Max) | 475ns, 475ns |
| Pulse Width Distortion (Max) | 14ns |
| Rise / Fall Time (Typ) | 1ns, 1ns |
| Voltage - Supply | 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 8-SOIC |
| Base Product Number | ISO7221 |
Visão Geral
Description
Key features include:
1. Isolation: Provides galvanic isolation up to 2500 VRMS, protecting components and enhancing safety by preventing ground loops.
2. Dual Channels: Allows for the isolation of two signals, with one channel being bi-directional and the other uni-directional.
3. Low Power Consumption: Operates efficiently with low power requirements, contributing to energy savings in applications.
4. Noise Immunity: Offers robust performance in noisy environments, critical for industrial and automotive applications.
5. Wide Supply Range: Supports a wide supply voltage range from 3 V to 5.5 V.
The ISO7221ADR is commonly used in applications such as medical equipment, industrial automation, and communication devices where signal integrity and safety are paramount. Its compact design and reliability make it a popular choice for isolating digital signals across various industries.
Equivalent
1. ADuM1201 from Analog Devices: A dual-channel digital isolator.
2. Si8621 from Silicon Labs: Another dual-channel digital isolator.
3. MAX12931 from Maxim Integrated: Offers similar dual-channel isolation capabilities.
4. HCPL-2630 from Broadcom: A dual-channel optocoupler.
These alternatives provide similar isolation functions and can be considered for applications needing dual-channel digital isolation. Always verify specific features and specifications to ensure compatibility with your application.
Features
1. Isolation: Provides galvanic isolation up to 2500 VRMS, protecting against high-voltage surges.
2. Data Rate: Supports high-speed data transmission with a maximum data rate of up to 150 Mbps.
3. Channels: It has two independent channels for bidirectional communication.
4. Voltage Range: Compatible with a wide supply voltage range, typically 3.3V or 5V, enhancing flexibility.
5. Low Power Consumption: Designed for low power usage, making it suitable for energy-efficient applications.
6. Propagation Delay: Offers low propagation delay, ensuring timely data communication.
7. Temperature Range: Operates efficiently in a wide temperature range, from -40°C to 125°C, suitable for various environments.
8. Compact Package: Available in a small SOIC-8 package, facilitating easy integration in space-constrained designs.
9. Robust Design: Features high common-mode transient immunity, ensuring reliable performance in noisy environments.
These features make the ISO7221ADR ideal for applications requiring reliable isolation and fast data rates, such as in industrial automation, medical devices, and communication systems.
Pinout
1. VCC1 (Pin 1): Supply voltage for the input side.
2. INA (Pin 2): Input A for the first channel.
3. INB (Pin 3): Input B for the second channel.
4. GND1 (Pin 4): Ground reference for the input side.
5. GND2 (Pin 5): Ground reference for the output side.
6. OUTB (Pin 6): Output B for the second channel.
7. OUTA (Pin 7): Output A for the first channel.
8. VCC2 (Pin 8): Supply voltage for the output side.
The ISO7221ADR provides signal isolation between different sections of a circuit using these pins, ensuring that high-voltage sections are electrically isolated from low-voltage control sections, thereby enhancing safety and signal integrity.
Manufacturer
Application
1. Industrial Automation: Ensures signal integrity and safety by isolating control systems from high voltages.
2. Telecommunications: Protects sensitive components from electrical surges and noise.
3. Medical Equipment: Provides patient and operator safety by isolating electrical components.
4. Power Electronics: Enhances reliability in inverters and motor drives by preventing ground loops.
5. Consumer Electronics: Used in devices to improve signal quality and reduce electromagnetic interference.
Overall, the ISO7221ADR enhances safety and performance in diverse electrical and electronic systems.