Part Details for MAX491ESD by Maxim Integrated Products
Results Overview of MAX491ESD by Maxim Integrated Products
- Distributor Offerings: (5 listings)
- Number of FFF Equivalents: (8 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.
MAX491ESD Information
MAX491ESD by Maxim Integrated Products is a Line Driver or Receiver.
Line Driver or Receivers are under the broader part category of Drivers And Interfaces.
A driver controls the current or voltage delivered to components like LCDs or motors, while an interface component connects systems for data transfer and control. Read more about Drivers And Interfaces on our Drivers And Interfaces part category page.
Price & Stock for MAX491ESD
| Part # | Distributor | Description | Stock | Price | Buy | |
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Bristol Electronics | 48 |
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RFQ | ||
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ComSIT USA | Electronic Component RoHS: Compliant |
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RFQ | |
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Component Electronics, Inc | IN STOCK SHIP TODAY | 39 |
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$3.0000 / $4.6200 | Buy Now |
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Vyrian | Interface ICs | 1181 |
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RFQ | |
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Win Source Electronics | RS-485/RS-422 TRANSCVR / 1/1 Transceiver Full RS422, RS485 14-SOIC | 18500 |
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$1.7726 / $2.6588 | Buy Now |
Part Details for MAX491ESD
MAX491ESD CAD Models
MAX491ESD Part Data Attributes
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MAX491ESD
Maxim Integrated Products
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Datasheet
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MAX491ESD
Maxim Integrated Products
Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, SOIC-14
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| Pbfree Code | No | |
| Rohs Code | No | |
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | MAXIM INTEGRATED PRODUCTS INC | |
| Part Package Code | SOIC | |
| Package Description | SOIC-14 | |
| Pin Count | 14 | |
| Reach Compliance Code | not_compliant | |
| ECCN Code | 5A991.B.4 | |
| HTS Code | 8542.39.00.01 | |
| Additional Feature | 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER | |
| Differential Output | YES | |
| Driver Number of Bits | 1 | |
| High Level Input Current-Max | 0.000002 A | |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER | |
| Interface IC Type | LINE TRANSCEIVER | |
| Interface Standard | EIA-422; EIA-485 | |
| JESD-30 Code | R-PDSO-G14 | |
| JESD-609 Code | e0 | |
| Length | 8.65 mm | |
| Moisture Sensitivity Level | 1 | |
| Number of Functions | 1 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 85 °C | |
| Operating Temperature-Min | -40 °C | |
| Out Swing-Min | 1.5 V | |
| Output Characteristics | 3-STATE | |
| Output Low Current-Max | 0.004 A | |
| Output Polarity | COMPLEMENTARY | |
| Package Body Material | PLASTIC/EPOXY | |
| Package Code | SOP | |
| Package Equivalence Code | SOP14,.25 | |
| Package Shape | RECTANGULAR | |
| Package Style | SMALL OUTLINE | |
| Peak Reflow Temperature (Cel) | 245 | |
| Qualification Status | Not Qualified | |
| Receive Delay-Max | 150 ns | |
| Receiver Number of Bits | 1 | |
| Seated Height-Max | 1.75 mm | |
| Supply Current-Max | 0.5 mA | |
| Supply Voltage-Max | 5.25 V | |
| Supply Voltage-Min | 4.75 V | |
| Supply Voltage-Nom | 5 V | |
| Surface Mount | YES | |
| Technology | CMOS | |
| Temperature Grade | INDUSTRIAL | |
| Terminal Finish | TIN LEAD | |
| Terminal Form | GULL WING | |
| Terminal Pitch | 1.27 mm | |
| Terminal Position | DUAL | |
| Time@Peak Reflow Temperature-Max (s) | 20 | |
| Transmit Delay-Max | 60 ns | |
| Width | 3.9 mm |
Alternate Parts for MAX491ESD
This table gives cross-reference parts and alternative options found for MAX491ESD. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of MAX491ESD, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.
| Part Number | Manufacturer | Composite Price | Description | Compare |
|---|---|---|---|---|
| MAX491CSD+ | Maxim Integrated Products | $1.9408 | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, 0.150 INCH, SOIC-14 | MAX491ESD vs MAX491CSD+ |
| MAX491ESD+ | Analog Devices Inc | $2.2608 | Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers, 14-SOIC_N-150_MIL, 14 Pins, -40 to 85C | MAX491ESD vs MAX491ESD+ |
| MAX491ECSD+ | Maxim Integrated Products | $3.3355 | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, 0.150 INCH, LEAD FREE, MS-012B, SOIC-14 | MAX491ESD vs MAX491ECSD+ |
| MAX491ESD+T | Analog Devices Inc | $4.7770 | Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers, 14-SOIC_N-150_MIL, 14 Pins, -40 to 85C | MAX491ESD vs MAX491ESD+T |
| MAX491ESD-T | Maxim Integrated Products | Check for Price | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, SOIC-14 | MAX491ESD vs MAX491ESD-T |
| MAX491ECSD | Maxim Integrated Products | Check for Price | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, 0.150 INCH, MS-012B, SOIC-14 | MAX491ESD vs MAX491ECSD |
| MAX491ESD+ | Maxim Integrated Products | Check for Price | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, 0.150 INCH, SOIC-14 | MAX491ESD vs MAX491ESD+ |
| MAX491CSD-T | Maxim Integrated Products | Check for Price | Line Transceiver, 1 Func, 1 Driver, 1 Rcvr, CMOS, PDSO14, SOIC-14 | MAX491ESD vs MAX491CSD-T |
MAX491ESD Frequently Asked Questions (FAQ)
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Maxim provides a recommended PCB layout in the application note AN1916, which includes guidelines for component placement, routing, and grounding to minimize EMI and noise.
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The MAX491ESD requires a dual supply voltage (VCC and VEE) and a bias voltage (VREF) for proper operation. Ensure that the bias voltage is set to the recommended value (typically 2.5V) and that the supply voltages are within the specified range (±15V).
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The MAX491ESD is a high-speed transceiver that can support data rates up to 100Mbps, making it suitable for high-speed applications such as industrial control systems and medical devices.
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The MAX491ESD has built-in overvoltage protection (OVP) and overcurrent protection (OCP) features. However, it's still recommended to add external protection components such as TVS diodes and current-limiting resistors to ensure the device is protected from extreme voltage and current conditions.
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Yes, the MAX491ESD is designed to support hot-swap applications, where the device can be inserted or removed from a live circuit without causing damage or disruption. However, it's essential to follow proper hot-swap design guidelines and ensure that the device is properly biased and terminated during the hot-swap event.