MAX491ESD+ by Analog Devices
Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
| Status: | Active |
|---|---|
| Series: | MAX491 |
| RoHS: | Unknown |
Features
| Low Power Consumption Minimizes Thermal Dissipation, Reducing System Cost 120µA to 500µA Quiescent Current Shutdown Current of 0.1µA Single 5V Supply Voltage |
| 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 |
| 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 |
| 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 |
| 48kΩ Receiver Input Resistance |
Specifications
| # Tx/Rx | 1Tx + 1Rx |
|---|---|
| Duplex | Full |
| VSUPPLY (V) | 5 |
| Data Rate (kbps) (min) | 2500 |
| ICC (mA) (typ) | 0.3 |
| Tx EN | Yes |
| Rx EN | Yes |
| Oper. Temp. (°C) | -55 to +125-40 to +850 to +70 |
| Package/Pins | PDIP/14SOIC (N)/14 |
| BudgetaryPrice (See Notes) | 1.72 |
Last 6 months Inventory & Pricing History
MAX491ESD+ Semiconductors - ICs by Analog Devices
IC TRANSCEIVER RS-485/422 SOIC14
| Status: | Unknown |
|---|---|
| Series: | - |
| RoHS: | Unknown |
Specifications
| Device Type | Line Driver / Receiver |
|---|---|
| IC Interface Type | RS422 RS485 |
| No. of Drivers | 1Drivers |
| No. of Receivers | 1Receivers |
| Supply Voltage Min | 4.75V |
| Supply Voltage Max | 5.25V |
| Driver Case Style | SOIC |
| No. of Pins | 14Pins |
| Operating Temperature Min | -40°C |
| Operating Temperature Max | 85°C |
| Product Range | - |
| Automotive Qualification Standard | - |
| MSL | MSL 1 - Unlimited |
| IC Generic Number | MAX491E |
| SVHC | No SVHC (15-Jan-2018) |
| Base Number | 491 |
| Data Rate | 2.5Mbps |
| IC Temperature Range | Industrial |
| Line Bus Drive Receive Transceiver Type | Transceiver |
| Operating Temperature Range | -40°C to +85°C |
| Supply Current | 300µA |
| Supply Voltage Range | 4.75V to 5.25V |
| Termination Type | Surface Mount Device |
Last 6 months Inventory & Pricing History
Alternative Descriptions
| TXRX, RS422/485, 2.5MBPS, 85DEGC/NSOIC14 | element14 |
| Txrx, Rs422/485, 2.5Mbps, 85Degc/Nsoic14 | Newark Electronics |
| IC: interface | TME |
Frequently Asked Questions
Where can I find additional details, specifications and documents for a MAX491ESD+ ?
Additional datasheets, footprints and schematics for MAX491ESD+ are listed on our Part Details page. You can also find images and similar parts to MAX491ESD+ on this page.
What pricing and inventory information can I view?
Distributor pricing and stock information is available for MAX491ESD+ on our Product Comparison page. Access via the 'View Pricing & Stock' button to view MAX491ESD+ price breaks, MOQs, lead times, inventory and SKUs from distributors.
Who can I contact for technical support of the product?
Submit any questions directly to the customer support team of the distributor listing the product. For the MAX491ESD+ you can contact the distributor directly for product support, shipping queries etc.
Is the MAX491ESD+ RoHS compliant?
This part has not been flagged as RoHS Compliant.
Which authorised distributors for MAX491ESD+ have stock available?
Authorised distributors including element14, Farnell, Newark Electronics and TME have stock available or on a lead time for MAX491ESD+ .
How do I check stock and lead times for all distributors?
Stock availability and lead times will be displayed for MAX491ESD+ often in real-time on the comparison pages.
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