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ISO7740DBQR
+NomenclatureDGTL ISOLTR 3KV 4CH GP 16-SSOP
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FabricantTexas Instruments
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Pièce fabricant #ISO7740DBQR
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En stock4441
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Spécifications
| Attribut | Valeur |
| Part Status | Active |
| Technology | Capacitive Coupling |
| Type | General Purpose |
| Isolated Power | No |
| Number of Channels | 4 |
| Inputs - Side 1/Side 2 | 4/0 |
| Channel Type | Unidirectional |
| Voltage - Isolation | 3000Vrms |
| Common Mode Transient Immunity (Min) | 85kV/µs |
| Data Rate | 100Mbps |
| Propagation Delay tpLH / tpHL (Max) | 16ns, 16ns |
| Pulse Width Distortion (Max) | 4.9ns |
| Rise / Fall Time (Typ) | 2.4ns, 2.4ns |
| Voltage - Supply | 2.25V ~ 5.5V |
| Operating Temperature | -55°C ~ 125°C |
| Mounting Type | Surface Mount |
| Package / Case | 16-SSOP (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SSOP |
| Base Product Number | ISO7740 |
Présentation
Description
The "ISO7740" indicates that this device features four channels of isolation. The "DBQ" part of the model number specifies the package type, which is typically a small outline integrated circuit (SOIC) package, suitable for surface mounting on printed circuit boards. The "R" at the end usually denotes that the product is supplied on a reel, which is a common packaging method for automatic insertion during manufacturing.
Key features of the ISO7740DBQR include high-speed operation, low power consumption, and a high isolation voltage rating, often up to several kilovolts. This makes it suitable for protecting low-voltage circuits from high-voltage spikes and ensuring reliable communication across isolation barriers.
Equivalent
Features
1. Channel Configuration: It offers four channels, all in the same direction, providing flexibility in signal routing.
2. Isolation Voltage: The device provides a high isolation voltage, typically 5000 VRMS, which ensures robust protection against electrical noise and fault conditions.
3. High Data Rate: It supports data rates up to 100 Mbps, making it suitable for high-speed communication needs.
4. Wide Supply Range: The isolator operates over a wide supply voltage range, typically from 2.25 V to 5.5 V, accommodating different system requirements.
5. Low Propagation Delay: It features low propagation delays, usually around 10 ns, which is crucial for time-sensitive applications.
6. Temperature Range: The device can operate in a wide temperature range, typically from -40°C to 125°C, ensuring reliability in harsh environments.
7. Robust Design: It includes fail-safe features and is designed to withstand high levels of electromagnetic interference.
These features make the ISO7740DBQR suitable for industrial, automotive, and communication applications requiring reliable isolation and high-speed data transfer.
Pinout
- Pin Count: It is an 8-pin device.
- Function: The ISO7740DBQR provides four channels of digital isolation. It is designed to protect low-voltage circuits from high-voltage surges and noise, enabling reliable communication between circuits operating at different voltage levels. It offers bi-directional data transmission with high-speed capability and galvanic isolation.
This isolator is commonly used in industrial applications, power electronics, and systems requiring robust isolation to maintain signal integrity and protect sensitive components.