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ADM1485ARZ
+NomenclatureIC TRANSCEIVER HALF 1/1 8SOIC
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FabricantAnalog Equipment GmbH.
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Pièce fabricant #ADM1485ARZ
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Fiche technique ADM1485ARZ DataSheet
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Package SOIC-8
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En stock5260
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Spécifications
| Attribut | Valeur |
| Package | Tube |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Half |
| ReceiverHysteresis | 70 mV |
| DataRate | 30Mbps |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
Présentation
Description
Key features of the ADM1485ARZ include a wide operating voltage range from 4.5 V to 5.5 V, and the ability to handle data rates up to 5 Mbps. It is equipped with a fail-safe feature that ensures a default output state when the input is open, shorted, or terminated but not driven. The transceiver offers a high level of electrostatic discharge (ESD) protection, making it resilient to harsh environmental conditions.
The device is designed with a low power shutdown mode, which reduces power consumption significantly. It also has a thermal shutdown feature to prevent overheating. Housed in a small, surface-mount package, the ADM1485ARZ is suitable for space-constrained applications. Its low power consumption and efficient design make it ideal for battery-powered and other energy-sensitive applications.
Equivalent
1. MAX485 from Maxim Integrated
2. SN75176 from Texas Instruments
3. SP485E from MaxLinear
4. LTC1485 from Analog Devices (formerly Linear Technology)
5. DS485 from Dallas Semiconductor
These alternatives offer similar functionalities, such as low power consumption, half-duplex operation, and compatibility with RS-485 communications standards. Always check the specific datasheets to ensure full compatibility with your application.
Features
1. Differential Signaling: Supports data communication over long distances and in electrically noisy environments due to its differential signaling capability.
2. Data Rate: Capable of operating at high data rates up to 5 Mbps, making it suitable for fast data transmission needs.
3. Low Power Consumption: Designed for low power operation, which is ideal for battery-powered and energy-efficient applications.
4. Receiver and Driver Enable: Features separate driver and receiver enable pins for greater control over communication directions.
5. Thermal Shutdown: Includes a thermal shutdown feature to protect the device from damage due to overheating.
6. Wide Supply Voltage Range: Operates over a wide supply voltage range, enhancing its versatility in different systems.
7. Short-Circuit Protection: Provides protection against short circuits and bus contention scenarios.
8. Industry Standard: Compatible with RS-485 and RS-422 standards, ensuring broad applicability in industrial and commercial applications.
These features make the ADM1485ARZ suitable for robust, high-speed data transmission in industrial and telecommunication environments.
Pinout
1. RO (Receiver Output): Outputs the received data.
2. RE (Receiver Enable): Active low input that enables the receiver.
3. DE (Driver Enable): Active high input that enables the driver.
4. DI (Driver Input): Inputs the data to be transmitted.
5. GND (Ground): Ground reference for the device.
6. A/Y: Non-inverting driver output and receiver input.
7. B/Z: Inverting driver output and receiver input.
8. VCC (Supply Voltage): Power supply input.
The ADM1485ARZ is used for converting TTL logic levels to RS-485/RS-422 levels, enabling robust long-distance data transmission in industrial and communication applications.