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IC TRANSCEIVER HALF 1/1 8SOIC
MAX485ESA+
4,525

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The MAX485ESA+ is an RS-422/RS-485 interface IC designed for low-power, high-speed applications. Key features include half-duplex communication, compatibility with 5V power supplies, data rates up to 2.5Mbps, short-circuit protection, and thermal shutdown mechanisms. To introduce the MAX485ESA+, you could begin by highlighting its purpose as a cost-effective solution for interfacing digital systems with RS-485/RS-422 networks. Emphasize its key features that make it suitable for various applications in industries like automation, home security, and energy management. Conclude the introduction by inviting readers to explore further how this device can contribute to their projects or systems.
The MAX485ESA+ is a versatile RS-422/RS-485 interface IC designed for low-power, high-speed communication. Key features include:
Half-duplex operation: Efficiently supports data transmission in both directions but not simultaneously.
5V power supply compatibility: Operates well with standard microcontroller voltage requirements.
High data rates up to 2.5Mbps: Ensures fast and reliable communication between devices.
Low power consumption: Minimizes battery drain for portable applications.
Protection features: Includes short-circuit, thermal shutdown, and driver output enable protections.
These features make the MAX485ESA+ an ideal choice for various applications such as sensor networks, home automation, industrial control systems, and more.
The MAX485ESA+ comes in a Surface Mount Package (SOP8).
The MAX485ESA+ is an RS-485/RS-422 interface IC with a pin count of 8 (SOP8 package).
Pin functions include:
VCC: Power supply input, typically 5V.
GND: Ground connection.
SOUT: Output driver for transmitting data.
RIN: Input receiver for receiving data.
RE/EN: Receiver enable and transmitter enable lines.
DTR/DTS: Data terminal ready (DTR) and data set ready (DSR) signals.
The MAX485ESA+ provides half-duplex communication, low power consumption, short-circuit protection, thermal shutdown protection, and easy interfacing with microcontrollers.
The MAX485ESA+ is manufactured by Analog Devices, a global technology leader specializing in semiconductors. Analog Devices is known for innovation in the fields of data conversion, signal processing, and power management.
MAX485ESA+ is a versatile interface IC used in various applications, including:
Sensor networks for monitoring environmental data.
Machine vision systems to transmit image data between devices.
Control systems in automation, where it facilitates communication between devices.
Home and building automation, managing HVAC, lighting, and security systems.
MAX485ESA+'s half-duplex, low-power, and RS-485/RS-422 capabilities make it suitable for a wide range of applications that require reliable, long-range serial communication.
The equivalent product of MAX485ESA+ by Analog Devices is likely another RS-485 interface IC with similar features and specifications. However, without specific information on an exact replacement, it's best to consult the manufacturer's website or technical support for accurate recommendations.
Pricing Insight: From 2018 to 2025, the market price has been trending upward, averaging 0.5631 USD.
| Date | Average price (USD) |
|---|---|
| 2018 | 0.7500 |
| 2019 | 0.4367 |
| 2021 | 0.6500 |
| 2022 | 0.6700 |
| 2024 | 0.4200 |
| 2025 | 0.4519 |
Sourcing Activity: Between 2018 and 2025, this component received over 13 quotation requests, indicating highly active market procurement.
| Date | Quotation requests (times) |
|---|---|
| 2018 | 2 |
| 2019 | 3 |
| 2021 | 2 |
| 2022 | 4 |
| 2024 | 1 |
| 2025 | 1 |
| Device Attribute | Attribute Value | Device Attribute | Attribute Value |
|---|---|---|---|
| Pbfree Code | Yes | Part Life Cycle Code | Transferred |
| Pin Count | 8 | Reach Compliance Code | compliant |
| ECCN Code | EAR99 | HTS Code | 8542.39.00.01 |
| Additional Feature | COMMON I/O; 1 RECEIVER ACTIVE UNDER SHUTDOWN; TRISTATABLE RECEIVER | Differential Output | YES |
| Driver Number of Bits | 1 | High Level Input Current-Max | 0.001 A |
| Input Characteristics | DIFFERENTIAL SCHMITT TRIGGER | Interface IC Type | LINE TRANSCEIVER |
| Interface Standard | EIA-422; EIA-485 | JESD-30 Code | R-PDSO-G8 |
| JESD-609 Code | e3 | Length | 4.9 mm |
| Moisture Sensitivity Level | 1 | Number of Functions | 1 |
| Number of Terminals | 8 | 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 | Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified | Receive Delay-Max | 200 ns |
| Receiver Number of Bits | 1 | Seated Height-Max | 1.75 mm |
| Supply Current-Max | 0.9 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 | MATTE TIN |
| Terminal Form | GULL WING | Terminal Pitch | 1.27 mm |
| Terminal Position | DUAL | Time@Peak Reflow Temperature-Max (s) | 30 |
| Transmit Delay-Max | 60 ns | Width | 3.9 mm |
| Type | Transceiver | Protocol | RS422, RS485 |
| Number of Drivers/Receivers | 1/1 | Duplex | Half |
| Receiver Hysteresis | 70 mV | Data Rate | 2.5Mbps |
| Voltage - Supply | 4.75V ~ 5.25V | Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Base Product Number | MAX485 |
| Package/Case | SOIC-8 |
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03/21/2025
The updates on the FPGA lead time were accurate. Info on carrier selection was a bit slow at times.
02/25/2025
The parts are excellent quality, and I've never had any trouble with shipping or delivery.
11/26/2025
Every component looks genuine and passed my tests. It's nice to have a source I can trust not to send fakes.
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