規格
| 屬性 | 價值 |
| Package | Bulk,Tube |
| ProductStatus | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| NumberofDrivers/Receivers | 1/1 |
| Duplex | Full |
| ReceiverHysteresis | 30 mV |
| DataRate | 16Mbps |
| Voltage-Supply | 4.75V ~ 5.25V |
| OperatingTemperature | -40°C ~ 85°C |
| MountingType | Surface Mount |
| Package/Case | 8-SOIC (0.154, 3.90mm Width) |
概述
Description
The ADM1490EBRZ is a half-duplex RS-485/RS-422 transceiver designed for robust communication in industrial and commercial applications. It is manufactured by Analog Devices and is part of their ADM series of transceivers. The device is designed to operate over a wide voltage range and can handle data rates up to 16 Mbps.
Key features include a high differential output voltage, making it suitable for long-distance communication. The ADM1490EBRZ offers protection against overvoltage, and has current-limiting and thermal shutdown features to prevent damage during fault conditions. It also features a low power shutdown mode to save energy when the transceiver is not in use.
The device is commonly used in applications that require reliable data transmission over twisted-pair cables, such as in industrial automation, building management systems, and other networking environments. The package is typically available in a small form-factor, making it suitable for compact designs. Its robust design allows it to perform in harsh environments, offering stability and consistent performance.
Key features include a high differential output voltage, making it suitable for long-distance communication. The ADM1490EBRZ offers protection against overvoltage, and has current-limiting and thermal shutdown features to prevent damage during fault conditions. It also features a low power shutdown mode to save energy when the transceiver is not in use.
The device is commonly used in applications that require reliable data transmission over twisted-pair cables, such as in industrial automation, building management systems, and other networking environments. The package is typically available in a small form-factor, making it suitable for compact designs. Its robust design allows it to perform in harsh environments, offering stability and consistent performance.
Equivalent
The ADM1490EBRZ is a RS-485/RS-422 transceiver. Equivalent products include:
1. MAX485 by Maxim Integrated
2. SN75176A by Texas Instruments
3. LTC485 by Analog Devices (formerly Linear Technology)
4. SP485 by Sipex (now MaxLinear)
5. ISL8485 by Intersil (now Renesas)
6. AM26C31 by Texas Instruments
These alternatives offer similar functionalities and can be used in applications requiring differential signaling for communication over long distances. Always verify specific electrical and performance characteristics before substitution.
1. MAX485 by Maxim Integrated
2. SN75176A by Texas Instruments
3. LTC485 by Analog Devices (formerly Linear Technology)
4. SP485 by Sipex (now MaxLinear)
5. ISL8485 by Intersil (now Renesas)
6. AM26C31 by Texas Instruments
These alternatives offer similar functionalities and can be used in applications requiring differential signaling for communication over long distances. Always verify specific electrical and performance characteristics before substitution.
Features
The ADM1490EBRZ is a high-performance RS-485/RS-422 transceiver designed for reliable and robust data communication over long distances. Key features include:
1. Data Rate: Supports data rates up to 16 Mbps, making it suitable for high-speed communication requirements.
2. Dual Supply Voltage: Operates with dual supply voltages, enabling compatibility with both 3.3V and 5V systems.
3. Isolation: Provides integrated isolation, enhancing protection against electrical noise and ensuring signal integrity.
4. Extended Operating Temperature: Functions over an extended temperature range, typically from -40°C to +85°C, making it suitable for industrial applications.
5. ESD Protection: Includes high-level electrostatic discharge (ESD) protection, safeguarding against voltage spikes and ensuring robust operation.
6. Driver and Receiver Enable: Features driver and receiver enable pins for greater control in network configurations.
7. Low Power Consumption: Designed for energy efficiency, reducing overall power usage in systems.
8. Package: Available in a compact package, making it easy to integrate into space-constrained designs.
These features make the ADM1490EBRZ a versatile choice for various applications requiring reliable and efficient RS-485/RS-422 communication.
1. Data Rate: Supports data rates up to 16 Mbps, making it suitable for high-speed communication requirements.
2. Dual Supply Voltage: Operates with dual supply voltages, enabling compatibility with both 3.3V and 5V systems.
3. Isolation: Provides integrated isolation, enhancing protection against electrical noise and ensuring signal integrity.
4. Extended Operating Temperature: Functions over an extended temperature range, typically from -40°C to +85°C, making it suitable for industrial applications.
5. ESD Protection: Includes high-level electrostatic discharge (ESD) protection, safeguarding against voltage spikes and ensuring robust operation.
6. Driver and Receiver Enable: Features driver and receiver enable pins for greater control in network configurations.
7. Low Power Consumption: Designed for energy efficiency, reducing overall power usage in systems.
8. Package: Available in a compact package, making it easy to integrate into space-constrained designs.
These features make the ADM1490EBRZ a versatile choice for various applications requiring reliable and efficient RS-485/RS-422 communication.
Pinout
The ADM1490EBRZ is a high-speed RS-485/RS-422 transceiver designed for communication over long distances in electrically noisy environments. It typically comes in an 8-lead SOIC (Small Outline Integrated Circuit) package.
Pin Count:
- 8 Pins
Pin Functions:
1. RO (Pin 1): Receiver output. This pin provides the demodulated output of the transmitted data.
2. RE̅ (Pin 2): Receiver enable. Active low input to enable the receiver.
3. DE (Pin 3): Driver enable. Logic high enables the driver.
4. DI (Pin 4): Driver input. This pin accepts the data to be transmitted.
5. GND (Pin 5): Ground. The reference point for all signals.
6. A (Pin 6): Non-inverting receiver input and driver output.
7. B (Pin 7): Inverting receiver input and driver output.
8. VCC (Pin 8): Positive power supply.
These pins together facilitate the functioning of the ADM1490EBRZ as a transceiver, allowing it to send and receive differential signals efficiently.
Pin Count:
- 8 Pins
Pin Functions:
1. RO (Pin 1): Receiver output. This pin provides the demodulated output of the transmitted data.
2. RE̅ (Pin 2): Receiver enable. Active low input to enable the receiver.
3. DE (Pin 3): Driver enable. Logic high enables the driver.
4. DI (Pin 4): Driver input. This pin accepts the data to be transmitted.
5. GND (Pin 5): Ground. The reference point for all signals.
6. A (Pin 6): Non-inverting receiver input and driver output.
7. B (Pin 7): Inverting receiver input and driver output.
8. VCC (Pin 8): Positive power supply.
These pins together facilitate the functioning of the ADM1490EBRZ as a transceiver, allowing it to send and receive differential signals efficiently.
Manufacturer
The ADM1490EBRZ is manufactured by Analog Devices, Inc. Analog Devices is a multinational semiconductor company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing integrated circuits used in a wide range of electronic equipment. The company is known for providing solutions in areas such as industrial automation, automotive, consumer electronics, healthcare, and communications.
Application
The ADM1490EBRZ is a high-speed transceiver designed for RS-485 and RS-422 communication applications. Its application areas include industrial automation, where reliable data transmission is crucial, and process control systems, which require robust communication over long distances. It is also used in HVAC systems, where it facilitates communication between sensors and controllers, and in energy management systems for monitoring and control. Additionally, the transceiver finds use in security systems, ensuring dependable signal transmission, and in embedded systems where space and power efficiency are vital. Its ability to operate in electrically noisy environments makes it suitable for various demanding industrial and commercial applications.
Package
The ADM1490EBRZ is a differential line transceiver typically used for RS-485/RS-422 communication. It comes in an SOIC (Small Outline Integrated Circuit) package with 8 pins, which is compact and suitable for various electronic applications requiring robust data transmission.