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ADM1490EBRZ
+BOMIC TRANSCEIVER FULL 1/1 8SOIC
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ManufacturerAnalog Devices Inc.
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Mfr. Part #ADM1490EBRZ
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Datasheet ADM1490EBRZ DataSheet
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Package SOIC-8
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In Stock4522
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Specifications
| Attribute | Value |
| Package / Case | Bulk,Tube |
| Part Status | Active |
| Type | Transceiver |
| Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 |
| Duplex | Full |
| Receiver Hysteresis | 30 mV |
| Data Rate | 16Mbps |
| Voltage - Supply | 4.75V ~ 5.25V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Overview
Description
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
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
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
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.