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ISO1540QDQ1
+NomenclatureDGTL ISOLTR 2.5KV 2CH I2C 8-SOIC
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FabricantTexas Instruments
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Pièce fabricant #ISO1540QDQ1
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Fiche technique ISO1540QDQ1 DataSheet
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Technology | Capacitive Coupling |
| Type | I2C |
| Isolated Power | No |
| Number of Channels | 2 |
| Inputs - Side 1 / Side 2 | 2/2 |
| Channel Type | Bidirectional |
| Voltage - Isolation | 2500Vrms |
| Common Mode Transient Immunity (Min) | 25kV/µs |
| Data Rate | 1Mbps |
| Pulse Width Distortion (Max) | 80ns, 21ns |
| 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 | ISO1540 |
| Grade | Automotive |
| Qualification | AEC-Q100 |
Présentation
Description
Equivalent
1. Si860x Series by Silicon Labs
2. ADuM1250/ADuM1251 by Analog Devices
3. MAX14934/MAX14935 by Maxim Integrated
4. NVE IL715
5. TLP2323 by Toshiba
These alternatives offer similar functionality in terms of isolation and I2C interfacing but check specific specifications for compatibility.
Features
1. Time Code Format: It defines a standard format for encoding time data, ensuring consistency across different systems and devices.
2. Synchronization: The standard ensures that the time code is synchronized with Coordinated Universal Time (UTC), allowing for accurate time-stamping of flight data.
3. Precision: ISO 1540 provides guidelines for the precision of time measurements, which is critical for accurate data analysis and incident investigation.
4. Data Integrity: The standard includes provisions for maintaining the integrity of the time code data, reducing errors and discrepancies.
5. Interoperability: It ensures that time code data can be shared and understood across different systems and platforms within the aviation industry.
6. Application: Primarily used for flight data recorders, supporting safety and compliance in aviation operations.
By adhering to ISO 1540, aviation stakeholders can ensure reliable and consistent time data management, enhancing safety and operational efficiency.
Pinout
The primary function of the ISO1540QDQ1 is to provide isolation between different parts of a system while allowing I2C communication across the isolation barrier. It offers protection against high voltages and enhances noise immunity and signal integrity.
In summary, this isolator facilitates the safe and reliable transmission of I2C signals in systems that require electrical isolation, such as those found in automotive applications.