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Key Features
Applications/Uses
Parametric specs for RS-485/RS-422 Line Driver/Receivers
| # Tx/Rx | 1Tx + 1Rx |
| Duplex | Full |
| VSUPPLY (V) | 5 |
| Data Rate (kbps) (min) | 250 |
| ICC (mA) (typ) | 0.12 |
| Tx EN | No |
| Rx EN | No |
| Oper. Temp. (°C) | -55 to +125 -40 to +85 0 to +70 |
| Package/Pins | CDIP/8 PDIP/8 SOIC (N)/8 UMAX/8 |
| Budgetary Price (See Notes) | 1.72 |
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Simplified Block Diagram
Technical Docs
| Data Sheet | Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers | Oct 18, 2017 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
Parameters
Parametric specs for RS-485/RS-422 Line Driver/Receivers
| # Tx/Rx | 1Tx + 1Rx |
| Duplex | Full |
| VSUPPLY (V) | 5 |
| Data Rate (kbps) (min) | 250 |
| ICC (mA) (typ) | 0.12 |
| Tx EN | No |
| Rx EN | No |
| Oper. Temp. (°C) | -55 to +125 -40 to +85 0 to +70 |
| Package/Pins | CDIP/8 PDIP/8 SOIC (N)/8 UMAX/8 |
| Budgetary Price (See Notes) | 1.72 |
Key Features
- Low Power Consumption Minimizes Thermal Dissipation, Reducing System Cost
- 120µA to 500µA Quiescent Current
- Shutdown Current of 0.1µA
- Single 5V Supply Voltage
- Slew-Rate-Limited Drivers (MAX483/MAX487/MAX488 and MAX489)
- Up to 250kbps Data Rate
- Unlimited Drivers: Up to 2.5Mbps Data Rate
- Integrated Protection Enhances System Robustness
- Short Circuit Current Limited Driver
- Integrated Thermal Shutdown
- Receiver Fail-Safe for Input Open Circuit
- Guarantees Logic High
- 1/4 Unit Loading (MAX487/ MAX1487 only) Allows Up to 128 Devices on a Single Bus
- 48kΩ Receiver Input Resistance
Applications/Uses
- Industrial-Control Local Area Networks
- Level Translators
- Low-Power RS-422 Transceivers
- Low-Power RS-485 Transceivers
- Transceivers for EMI-Sensitive Applications
Description
The MAX481, MAX483, MAX485, MAX487–MAX491, and MAX1487 are low-power transceivers for RS-485 and RS-422 communication. Each part contains one driver and one receiver.
Technical Docs
| Data Sheet | Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers | Oct 18, 2017 |
Support & Training
Search our knowledge base for answers to your technical questions.
Filtered SearchOur dedicated team of Applications Engineers are also available to answer your technical questions. Visit our support portal .
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