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MAX3488ECPA+ - 12Mbps 3.3V RS-485/RS-422 | Analog Devices
MAX3488ECPA+

MAX3488ECPA+ - 12Mbps 3.3V RS-485/RS-422 | Analog Devices

Analog Devices MAX3488ECPA+ is a 3.3 V-powered RS-485/RS-422 interface transceiver with one driver and one receiver, 12 Mbps data rate, ±15 kV ESD protection, and an 8-pin PDIP package. It is designed for compact, board-level serial interfaces where both RS-485 and RS-422 operation, low supply voltage, and robust electrostatic-discharge protection are required. An RS-485/RS-422 transceiver is a physical-layer interface IC that converts logic-level signals into balanced differential signals and receives differential signals back into logic-level data. The MAX3488E belongs to the transceiver hierarchy: transceiver > bus-line transceiver > differential interface IC > interface IC > semiconductor. Its dual differential implementation supports point-to-point RS-422 links as well as multi-drop RS-485 buses, subject to proper termination and biasing. The device operates from a 3.3 V supply and supports data rates up to 12 Mbps. According to the supplied distributor and manufacturer data, the MAX3488ECPA+ provides ±15 kV ESD protection and slew-rate-limited operation. These characteristics are useful in industrial, instrumentation, and embedded communication systems where connector exposure, reflected bus signals, or electromagnetic interference could otherwise corrupt transmitted data. The MAX3488E architecture combines one transmit channel with one receive channel in a single package. Slew-rate limiting controls the transition rate of the driver output, helping reduce unwanted high-frequency content on the bus. This is important in multi-drop RS-485 networks because the transceiver's edge rate directly affects signal integrity, electromagnetic emissions, and receiver performance. Typical uses include industrial control links, RS-485 sensor buses, RS-422 point-to-point equipment links, building automation interfaces, test and measurement equipment, and industrial data acquisition systems. The 8-pin PDIP package is particularly useful for through-hole designs, prototypes, legacy control boards, and applications where a socketed or leaded package simplifies inspection and assembly. A robust implementation must include correct bus termination, fail-safe biasing where required, grounding, and protection appropriate to the installation environment. Supply decoupling should be placed close to the IC, while the differential route should be kept short and symmetrical. Signal integrity and ESD performance depend on the complete board and cable system, not only on the transceiver specifications. This product page consolidates the verified 3.3 V supply, 12 Mbps data rate, ±15 kV ESD protection, RS-485/RS-422 capability, PDIP-8 packaging, distributor pricing, and documented same-family alternatives. It also adds practical PCB guidance and explicit parameter comparisons to support sourcing and engineering decisions.

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MAX3488ECSA+ - 12Mbps RS-485/RS-422 Transceiver | Analog Devices
MAX3488ECSA+

MAX3488ECSA+ - 12Mbps RS-485/RS-422 Transceiver | Analog Devices

The Analog Devices MAX3488ECSA+ is a 3.3 V RS-485/RS-422 transceiver with a maximum data rate of 12 Mbps, ±15 kV ESD protection, and an 8-pin NSOIC package. The device combines one driver and one receiver, while its slew-rate-limited driver reduces electromagnetic interference and reflections associated with improperly terminated cables. These characteristics make it suitable for industrial instrumentation, building controls, data acquisition, and noise-sensitive serial communication systems. An RS-485/RS-422 transceiver is an interface IC that converts logic-level digital signals into balanced differential signals and receives differential signals back as logic-level data. The MAX3488ECSA+ belongs to the transceiver hierarchy alongside RS-485 and RS-422 interface ICs, where balanced signaling improves noise immunity and allows communication over longer cables than a single-ended interface. Its true transceiver architecture supports half-duplex or point-to-point differential communication when configured correctly in the target system. The principal features include operation from a 3.3 V supply, ±15 kV ESD protection on the communication pins, a maximum signaling rate of 12 Mbps, and slew-rate-limited operation. The low-power design is intended to reduce system power consumption while retaining the bandwidth needed for industrial and control networks. The MAX3488 family is specifically identified by Analog Devices as a production family, indicating that the MAX3488ECSA+ remains part of the active product line. Slew-rate limiting is the key electrical feature for robust field-bus communication. By controlling the driver edge rate, the MAX3488ECSA+ reduces high-frequency EMI and lowers the likelihood of signal reflections on imperfectly terminated cables. The 12 Mbps maximum data rate supports high-speed data links, although actual bus length, cable impedance, topology, termination, and transceiver enable timing can limit the usable rate in a practical installation. Typical uses include industrial automation controllers, PLC serial interfaces, sensor and actuator networks, building-management equipment, and isolated or non-isolated data-acquisition systems. The device can also connect MCU-based control boards to differential bus nodes when its driver and receiver pins, enable controls, grounding, and termination are assigned according to the manufacturer's pin and application guidance. A critical implementation consideration is bus termination. Place the correct termination network at the physical ends of the RS-485 or RS-422 bus, and keep the driver disabled while the receiver is active unless the network architecture explicitly supports both functions simultaneously. Validate signal polarity and enable timing to prevent contention on the driver outputs. This product page combines the manufacturer's core electrical specifications, practical interface guidance, application use cases, and confirmed pin-compatible alternatives. It also highlights the differences that matter when reviewing a MAX3488ECSA+ replacement for an existing 8-pin NSOIC circuit-board layout.

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MAX3488EEPA+ - 12Mbps RS-485/422 Transceiver | Analog Devices
MAX3488EEPA+

MAX3488EEPA+ - 12Mbps RS-485/422 Transceiver | Analog Devices

The Analog Devices MAX3488EEPA+ is a 3.3V-powered, 12Mbps RS-485/RS-422 interface transceiver with ±15kV ESD protection, slew-rate-limited true RS-485/RS-422 operation, and an 8-pin PDIP package. The device combines one driver and one receiver for full-duplex point-to-point communications over balanced cabling. An RS-485/RS-422 transceiver is a differential interface IC used to connect digital logic to industrial communication networks. These interfaces use differential signaling to improve noise immunity and reject common-mode interference. The MAX3488EEPA+ belongs to the transceiver hierarchy of interface ICs, where its driver converts logic-level signals into balanced differential outputs and its receiver converts differential inputs into complementary logic outputs. The principal operating specifications are a 3.3V supply, 12Mbps maximum signaling rate, and ±15kV ESD protection. Its slew-rate-limited driver reduces high-frequency transitions on the bus, which can help limit electromagnetic interference and reflections associated with improperly terminated cables. The package is an 8-pin PDIP, providing a through-hole footprint for industrial-control, instrumentation, and communications equipment. The MAX3488E family combines low-power 3.3V operation with high-speed differential signaling. The E suffix identifies the enhanced ESD-protected family, while the exact temperature range and operating limits must be confirmed in the manufacturer data sheet for each ordering code. Its one-driver, one-receiver arrangement supports full-duplex RS-422 links and multi-driver RS-485-compatible networks when system-level bus arbitration, termination, and grounding are implemented correctly. Typical uses include industrial automation links, data-acquisition systems, building controls, test equipment, and embedded serial networks. The 12Mbps capability suits short, point-to-point or properly terminated balanced connections, while the slew-rate-limited output helps reduce EMI in cabinet-mounted systems. Designers should still evaluate cable length, topology, termination, and ground potential because transceiver speed alone does not determine reliable bus distance. For PCB implementation, place the transceiver close to the connector and route the differential pair as a tightly coupled pair over a continuous reference plane. Add the required bus termination at appropriate physical endpoints and provide low-impedance connections between the interface ground and the equipment ground. Disable unused driver and receiver paths where appropriate to avoid an active output driving the network unnecessarily. This page combines the verified manufacturer and distributor information with practical interface-design guidance, transparent pricing context, and clearly qualified replacement analysis. It distinguishes confirmed drop-in variants from lower-information package alternatives rather than presenting every electrically similar device as a safe PCB replacement.

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MAX3488EESA+ - 12Mbps RS-485/422 IC | Maxim Integrated
MAX3488EESA+

MAX3488EESA+ - 12Mbps RS-485/422 IC | Maxim Integrated

Maxim Integrated MAX3488EESA+ is a 3.3V-powered, slew-rate-limited RS-485/RS-422 transceiver with one driver, one receiver, 12Mbps maximum data rate, and ±15kV ESD protection in an 8-pin SOIC package. The MAX3488EESA+ combines true differential bus operation with low-power 3.3V design, making it appropriate for industrial control, instrumentation, data acquisition, and communication equipment operating over longer cables than conventional single-ended interfaces. An RS-485/RS-422 transceiver is an interface IC that converts logic-level digital signals into balanced differential signals for reliable data transmission over wired networks. RS-485 supports multi-drop buses and common-mode noise rejection, while RS-422 provides a point-to-point differential interface with strong drive capability. The MAX3488EESA+ supports both standards and functions as a half-duplex interface with one driver and one receiver, allowing a system to transmit and receive data over a shared pair of conductors. The device operates from a 3.3V supply and provides ±15kV ESD protection on its bus-facing pins. Its slew-rate-limited driver reduces high-frequency harmonics, electromagnetic interference, and cable reflections caused by poor impedance matching. The manufacturer describes the MAX3488 family as low-power, 3.3V transceivers intended to minimize electromagnetic emissions and enable error-free communication at data rates up to 250kbps when conservative slew-rate-limited operation is used. Faster operation up to 12Mbps is available for appropriately terminated point-to-point links. The MAX3488EESA+ uses a differential driver and differential receiver architecture to reject common-mode voltage present on industrial wiring. Its driver produces complementary differential outputs, while the receiver responds to the voltage difference between the bus pair. This architecture supports robust links between a controller, sensor, converter, or data-acquisition module and a remote system. Because the interface is half duplex, software or hardware flow control is needed when the same pair carries both transmit and receive signals. Typical uses include industrial sensor networks, motor-control equipment, PLC peripheral interfaces, factory data buses, instrumentation, building automation, and remote-control links. The 8-pin SOIC package simplifies assembly for conventional PCB designs and supports automated production. The low 3.3V operating voltage also allows direct interfacing with 3.3V microcontrollers, DSPs, and programmable logic when their I/O levels are compatible with the transceiver thresholds. Designers should verify the exact driver, receiver, ground, and supply connections in the pin-description table before routing the PCB. Place the transceiver close to the cable connector, provide a solid ground reference, use proper differential pair routing, and install the protection network recommended by the manufacturer. Cabling, topology, termination, and grounding can be more important than nominal logic speed in determining field reliability. This product resource summarizes the MAX3488EESA+ electrical identity, package, application fit, and compatible interface options. It also highlights practical bus-layout and ESD-protection considerations that help engineers compare the device against other 3.3V RS-485/422 transceivers before committing to a PCB footprint.

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MAX3488EPA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver
MAX3488EPA+

MAX3488EPA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver

The Analog Devices MAX3488EPA+ is a 3.3 V powered, 10 Mbps, slew-rate-limited true RS-485/RS-422 transceiver with one driver and one receiver, housed in an 8-pin PDIP package. It supports a 3.0 V to 3.6 V supply range and is designed for low-power point-to-point and multidrop serial links. An RS-485/RS-422 transceiver is an interface IC that converts logic-level transmit and receive signals into balanced differential line signals. These differential signals reject common-mode noise and are used for reliable communication over cables, industrial buses, and distributed equipment. The MAX3488EPA+ combines a driver, receiver, and bus-direction control in one compact interface device. The MAX3488EPA+ operates at 10 Mbps and uses slew-rate limiting to reduce unwanted reflections and electromagnetic interference on longer or poorly terminated interconnects. Its 3.3 V supply operation is suitable for modern embedded systems, while the one-driver, one-receiver arrangement supports RS-422 point-to-point links and RS-485 multidrop networks when configured with appropriate bus transceivers. Typical applications include industrial control links, building automation, instrumentation, data acquisition, serial interfaces between microcontrollers and remote sensors, and embedded communication networks. The device is also appropriate where a compact through-hole package simplifies prototyping and repair. Designers should verify supply voltage, termination, biasing, grounding, and logic levels against the system requirements. The verified snippets identify the MAX3488EPA+ as a 3.3 V, 10 Mbps, slew-rate-limited RS-485/RS-422 transceiver, but complete pin-level electrical data and package dimensions should be taken from the manufacturer datasheet before production release. This page combines verified distributor and manufacturer-search information with application guidance and comparison context for engineers evaluating the MAX3488EPA+ interface IC.

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MAX3488ESA+ - 3.3V 10Mbps RS-485/RS-422 | Maxim
MAX3488ESA+

MAX3488ESA+ - 3.3V 10Mbps RS-485/RS-422 | Maxim

The Analog Devices MAX3488ESA+ is a 3.3V-powered, slew-rate-limited RS-485/RS-422 transceiver rated for data rates up to 10Mbps in an 8-pin SOIC package. It combines one driver and one receiver in a half-duplex interface arrangement, providing bidirectional half-duplex communication over a differential bus. The verified product information identifies the MAX3488 as a true RS-485/RS-422 transceiver and highlights its low-power 3.3V operation. An RS-485/RS-422 transceiver is an interface IC that converts logic-level digital signals into differential differential-pair signals for communication over longer cables or noisy industrial environments. The RS-485 standard is commonly associated with half-duplex multidrop buses, while RS-422 provides differential signaling and can support point-to-point links. The MAX3488 combines these physical-layer functions with integrated driver and receiver circuitry. The principal verified feature is slew-rate limiting, which reduces the rate at which the driver output changes. This can help reduce unwanted reflections and electromagnetic interference on suitably terminated buses. The 10Mbps capability supports higher-speed links than basic 250kbps transceivers, while the low 3.3V supply is appropriate for modern embedded systems. The MAX3488 family also includes related devices, but the specific package and ordering suffix must be checked before substitution. Typical uses include industrial control equipment, sensor networks, building automation, instrumentation, data acquisition, and embedded serial links where differential signaling is required. The MAX3488ESA+ is particularly relevant when a board needs a compact, integrated RS-485 or RS-422 physical-layer solution rather than discrete driver and receiver stages. Designers should verify the complete pinout, supply requirements, driver and receiver enable behavior, bus termination, common-mode limits, and maximum cable length against the manufacturer datasheet before production. Do not infer unverified electrical limits or pin names from a distributor listing.

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MAX3488ESA+T - 10Mbps RS-485/RS-422 Transceiver | Analog Devices
MAX3488ESA+T

MAX3488ESA+T - 10Mbps RS-485/RS-422 Transceiver | Analog Devices

The Analog Devices MAX3488ESA+T is a 3.3V-powered RS-485/RS-422 interface transceiver with one driver and one receiver, supporting data rates up to 10Mbps. The device is supplied in an 8-SOIC package measuring 0.154 inches wide and 3.90mm long, with MAX3488ESA+T configurations offered in tape-and-reel packaging. Its slew-rate-limited transmitter is designed to reduce electromagnetic interference and cable reflections while maintaining reliable balanced-data communication. An RS-485/RS-422 transceiver is an interface integrated circuit that converts logic-level signals into differential bus levels and receives differential bus signals back into logic-level outputs. The MAX3488 belongs to the RS-485 transceiver hierarchy, which also includes half-duplex and full-duplex bus interface devices used in industrial automation, communications equipment, instrumentation, and embedded control systems. RS-422 commonly supports point-to-point links, while RS-485 allows multiple nodes on a shared bus. Key verified features include a 3V to 3.6V supply range, one transmitter and one receiver, support for both RS-422 and RS-485 protocols, and operation at data rates up to 10Mbps. The slew-rate-limited driver is specifically intended to minimize EMI and reduce reflections caused by improperly terminated cables. An extended variant identified as MAX3488E is listed with ±15kV ESD protection and a 12Mbps maximum data rate, but those extended ratings should not be assumed for the ESA suffix without confirmation from the manufacturer. The MAX3488 family combines low-power 3.3V operation with a differential bus interface. The verified distributor data identifies MAX3488ESA+ as a full RS-422/RS-485 transceiver in an 8-SOIC package. Different family members provide distinct combinations of operating speed, supply range, and full-duplex versus half-duplex behavior, so an engineer should compare pin functions and electrical limits rather than relying only on the family name when making a drop-in substitution. Typical applications include industrial RS-485 links, factory automation controllers, building-control equipment, instrumentation gateways, and embedded serial communications modules. In these systems, the transceiver can interface a microcontroller UART to a balanced bus while the slew-rate-limited output helps control edge-rate-induced EMI. Board design must still provide correct bus topology, termination, grounding, and protection appropriate to the installation environment. A key design consideration is that the MAX3488ESA+T operates from a 3V to 3.6V supply, so its logic levels and interface limits must be compatible with the connected processor. Designers should also distinguish the standard MAX3488 from the MAX3488E extended product because the verified source lists different maximum speeds and ESD protection levels. Tape-and-reel notation identifies the shipping format and should not be treated as a functional difference. This product page combines verified manufacturer and distributor information, packaging details, source-backed technical facts, drop-in replacement analysis, and practical RS-485 design guidance. It also distinguishes confirmed values from parameters that require confirmation from the complete manufacturer datasheet, helping engineers avoid unsupported assumptions during schematic capture and PCB layout.

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MAX3490AEGSA+ - 3.3V 20Mbps RS-485/RS-422 Transceiver | Analog Devices
MAX3490AEGSA+

MAX3490AEGSA+ - 3.3V 20Mbps RS-485/RS-422 Transceiver | Analog Devices

The Analog Devices MAX3490AEGSA+ is a 3.3V-powered, full-duplex RS-485/RS-422 transceiver rated for data rates up to 20Mbps, with ±20kV ESD protection in an 8-pin SOIC package. It combines one driver and one receiver for bidirectional point-to-point communication over long cables, including industrial control links, instrumentation, and noisy industrial environments. The low-voltage supply and slew-rate-limited operation make it suitable for systems using modern low-voltage logic and requiring controlled edge rates. An RS-485/RS-422 transceiver is an interface IC that converts digital logic-level signals into differential cable signals and receives differential cable signals back into digital logic. The MAX3490AEGSA+ operates in the voltage-regulator hierarchy of industrial communications: it sits between a host controller, such as a UART or processor, and a physical RS-485 or RS-422 cable. Differential signaling improves noise immunity over longer cable runs and allows reliable communication between separated equipment. The MAX3490AEGSA+ family is designed for 3.3V operation and provides 20Mbps maximum data rate with slew-rate-limited drivers. The ±20kV ESD protection helps improve robustness when cables are exposed to electrostatic discharge during installation or operation. Its full-duplex configuration provides separate transmit and receive paths, which is useful when the design requires continuous communication in both directions rather than a shared half-duplex bus. The device is supplied in an 8-pin SOIC package, allowing direct assembly into conventional surface-mount PCB layouts. The MAX3490AEGSA+ family is identified by Analog Devices as a production 3.3V-powered, slew-rate-limited, true RS-485/RS-422 transceiver. The related MAX3490AE page lists a 10Mbps product family overview, while the MAX3490AEGSA+ listing identifies the 20Mbps-rated version. Typical applications include industrial PLC-to-PLC links, factory-floor data acquisition, building automation, security equipment, and embedded instrumentation. When designing the interface, provide correct termination, biasing, common-mode protection, and cable routing according to the system topology. The differential pair should be routed as a controlled-impedance pair, with protection and ground-return arrangements evaluated for the installation environment. This page combines the manufacturer product information with distributor listings and application-oriented engineering guidance. It also organizes the device's RS-485/RS-422 role, electrical limits, package details, replacement considerations, and practical layout practices into a concise selection reference for engineers.

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MAX3490CPA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver
MAX3490CPA+

MAX3490CPA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver

The Analog Devices MAX3490CPA+ is a 3.3V-powered, 10Mbps, slew-rate-limited true RS-485/RS-422 transceiver with one driver and one receiver, supplied in an 8-pin PDIP package. It is designed for point-to-point and multidrop industrial data links where low-voltage digital systems must communicate over longer, noise-prone cabling. The verified product data identifies full RS-422 and RS-485 operation, a 1/1 transceiver configuration, and a maximum data rate of 10Mbps. An RS-485/RS-422 transceiver is an interface IC that converts logic-level transmit and receive signals into balanced differential bus signals and back again. Differential signaling improves common-mode noise immunity and allows reliable communication over cables where single-ended logic signals would be more susceptible to interference. The MAX3490CPA+ belongs to the transceiver hierarchy: interface transceiver, RS-485/RS-422 interface, wired-communication semiconductor, and signal-conditioning component. The MAX3490 family includes one driver and one receiver, allowing a node to both transmit and receive data. Its 3.3V operation supports systems powered from modern low-voltage rails, while slew-rate limiting reduces unwanted transmit-edge energy and helps control electromagnetic emissions. The device is also described as a true RS-485/RS-422 interface solution, making it suitable for industrial controls, instrumentation links, and communications equipment. The MAX3490CPA+ is a through-hole PDIP-8 device, which is useful when a design needs socketed assembly, prototype flexibility, or a leaded package rather than a surface-mount footprint. The verified distributor listings identify the package as 8-PDIP or DIP-8, with a 0.300-inch, 7.62mm body. The exact pin assignments, electrical limits, temperature range, termination requirements, and recommended operating conditions should be confirmed in the manufacturer datasheet before layout or production release. Typical applications include industrial RS-485 buses, data acquisition systems, remote sensor interfaces, RS-422 point-to-point links, embedded control networks, and communications equipment operating from a 3.3V rail. In a practical bus, the transceiver connects a controller UART to a twisted-pair network, while external termination and biasing may be required according to the bus topology and system requirements. Keep the differential trace pair short, matched, and away from noisy switching paths. This product page consolidates verified distributor and manufacturer information, current sourcing links, and design context for the MAX3490CPA+. Pricing, availability, lifecycle details, and detailed electrical parameters should be refreshed at the source before purchase because distributor data changes over time.

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MAX3490CSA+ - 3.3V 10Mbps RS-422/RS-485 | Analog Devices
MAX3490CSA+

MAX3490CSA+ - 3.3V 10Mbps RS-422/RS-485 | Analog Devices

The Analog Devices MAX3490CSA+ is a 3.3V-powered, 10Mbps RS-422/RS-485 interface transceiver in an 8-pin SOIC package. It combines one driver and one receiver for bidirectional differential data links and supports the low-voltage supply range stated in the manufacturer datasheet. The MAX3490 family is intended for industrial, instrumentation, and embedded communication systems where a compact differential interface is required. An RS-422/RS-485 transceiver is an interface IC that converts between logic-level digital signals and balanced differential signals on a communication bus. RS-422 commonly supports point-to-point, full-duplex links, while RS-485 commonly supports multipoint, half-duplex networks. The MAX3490 combines both interface standards in one device, with separate driver and receiver sections and direction control handled by the host logic. The MAX3490CSA+ is identified as a 3.3V-powered, 10Mbps, slew-rate-limited, true RS-485/RS-422 transceiver. Its low-power 3.3V operation suits modern controller platforms and reduces supply demand compared with legacy 5V interface designs. The 10Mbps capability makes it relevant for factory equipment, data acquisition, industrial controllers, and other systems requiring a higher-speed differential serial interface. The device uses one driver and one receiver, allowing a compact implementation of a full-duplex RS-422 connection or a half-duplex RS-485 connection with external direction control. Differential signaling improves noise immunity over single-ended links and helps support reliable communication over longer cables when the bus is properly terminated and laid out. For RS-485 networks, place termination resistors at the physical ends of the bus, bias the idle differential state appropriately, and keep transceiver stub branches short. For RS-422 links, use the receiver and driver pins associated with the intended full-duplex topology and confirm the manufacturer pin configuration before PCB release. Designers should verify supply voltage, driver enable polarity, receiver enable polarity, common-mode limits, cable length, termination, and transceiver direction timing against the MAX3490 datasheet. This page combines verified manufacturer and distributor information, commercial sourcing context, and practical interface-design guidance for evaluating the MAX3490CSA+.

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MAX3490CSA+T 3.3V 10Mbps RS-485/RS-422 Transceiver | Analog Devices
MAX3490CSA+T

MAX3490CSA+T 3.3V 10Mbps RS-485/RS-422 Transceiver | Analog Devices

The Analog Devices MAX3490CSA+T is a 3.3V-powered, half-duplex RS-485/RS-422 transceiver with one driver and one receiver, supporting data rates up to 10Mbps in an 8-pin SOIC package. Its low-power architecture is designed for industrial communication links where a compact interface is required for bidirectional serial data. An RS-485/RS-422 transceiver is an interface IC that converts logic-level signals into balanced differential line signals and converts received differential signals back into logic levels. RS-485 supports multipoint buses with bidirectional communication, while RS-422 provides a point-to-point differential link. The MAX3490CSA+T belongs to the interface IC family within the broader semiconductor and industrial-control hierarchy. Key features include operation from a 3.0V to 3.6V supply, a maximum data rate of 10Mbps, one driver and one receiver, and slew-rate-limited operation for reduced EMI and reflection control. The device also includes short-circuit protection and thermal shutdown according to the manufacturer product information. Its 8-SOIC package supports conventional surface-mount PCB assembly. The MAX3490CSA+T uses true differential RS-485/RS-422 signaling, allowing communication over longer cable runs than single-ended interfaces while improving noise immunity. The receiver supports fail-safe operation when the bus is idle, and the driver places its output in a high-impedance state during thermal shutdown. These characteristics suit industrial controllers, instrumentation, data acquisition systems, and factory automation equipment. Typical applications include industrial sensor networks, RS-485 motor-control links, building automation equipment, test and measurement instruments, and embedded control systems. The 3.3V supply is convenient for systems built around modern low-voltage processors, while the 10Mbps capability supports higher-speed factory and data-acquisition links. For PCB design, place the transceiver close to the connector and route the balanced differential pair as a controlled-impedance pair. Connect the bus termination and biasing components according to the system topology, and keep the ground reference continuous between the transceiver and cable interface. Verify the supply voltage, idle-bus behavior, and cable length before releasing the design. This product page combines the manufacturer’s MAX3490 technical information with practical selection guidance, application positioning, and package-level design considerations. It is intended to help engineers identify the correct transceiver for low-voltage, high-speed RS-485 and RS-422 interfaces without conflating protocol requirements, electrical termination, and PCB layout decisions.

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MAX3490ECPA - 12Mbps RS-485 Transceiver | Maxim Integrated
MAX3490ECPA

MAX3490ECPA - 12Mbps RS-485 Transceiver | Maxim Integrated

The Maxim Integrated MAX3490ECPA is a 3.3 V-powered, ±15 kV ESD-protected RS-485/RS-422 transceiver that supports data rates up to 12 Mbps and uses an 8-pin PDIP package. The device combines one driver and one receiver in a single package, with slew-rate-limited operation intended to reduce unwanted signal transitions on unbalanced communication lines. An RS-485/RS-422 transceiver is an interface IC that converts logic-level signals into differential bus voltages and converts received differential voltages back into digital logic. The MAX3490ECPA belongs to the MAX3483E family of low-power transceivers designed for industrial, instrumentation, and data-communication links where both long-distance noise immunity and compact integration are important. The principal operating characteristics include a 3.3 V supply, ±15 kV ESD protection, operation at up to 12 Mbps, and slew-rate-limited true RS-485/RS-422 operation. Its one-driver/one-receiver configuration supports point-to-point and multidrop network arrangements when the bus topology, termination, and grounding strategy are designed correctly. The 8-pin PDIP package also supports conventional through-hole PCB assembly and prototyping. Slew-rate limiting reduces the rate at which the differential driver changes state, limiting high-frequency energy that can couple into adjacent circuitry. This behavior is particularly useful on long cables or in systems where reducing edge-related ringing and crosstalk is more important than maximizing data rate. The device should still be evaluated with the intended cable length, topology, termination network, and grounding arrangement. Typical applications include industrial control networks, instrumentation links, data acquisition systems, building automation equipment, and point-to-point data communications. The MAX3490ECPA is appropriate when the system uses 3.3 V logic, requires integrated transmit and receive functions, and can tolerate the operating-speed limitations of a through-hole PDIP package. For a new design, confirm the exact driver-enable and receiver-enable polarity, supply decoupling, bus termination, and fail-safe behavior against the manufacturer pin description and datasheet before fabrication. Place the device near the bus connector when practical to minimize unprotected trace length and reduce ESD exposure. This product record combines the manufacturer’s family-level functional information, package details, operating characteristics, and practical interface design guidance. It also provides drop-in family alternatives, comparison parameters, and application-focused engineering context to support component selection before schematic capture.

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MAX3490EEPA+ - 12Mbps RS-485 Transceiver | Analog Devices
MAX3490EEPA+

MAX3490EEPA+ - 12Mbps RS-485 Transceiver | Analog Devices

Analog Devices MAX3490EEPA+ is a 3.3 V-powered, slew-rate-limited RS-485/RS-422 transceiver with a maximum data rate of 12 Mbps and ±15 kV ESD protection, packaged in an 8-pin PDIP. It is designed for industrial, instrumentation, communications, and data-acquisition systems that require a true differential transceiver rather than a single-ended RS-232 interface. An RS-485 transceiver is an interface IC that combines a differential line driver with a differential receiver, allowing information to be transmitted reliably over longer cable runs than a single-ended interface. The MAX3490EEPA+ belongs to the broader hierarchy of interface ICs, communication transceivers, physical-layer devices, and semiconductors. Its differential signaling supports noise-resistant communication between equipment located at different ground potentials. The principal operating characteristics are a 3.3 V supply, a 12 Mbps maximum data rate, ±15 kV ESD protection, and slew-rate-limited outputs. The 12 Mbps capability permits the device to handle high-speed command, control, data, and instrumentation links. Slew-rate limiting reduces the high-frequency content of driver transitions, which helps limit electromagnetic interference and reduces the potential for reflections and data errors on suitable bus layouts. This device supports both RS-485 and RS-422 communication modes. RS-485 is commonly used for multidrop buses connecting multiple nodes, while RS-422 is commonly used for point-to-point or limited-driver configurations. The MAX3490EEPA+ combines these functions in one transceiver package, allowing the same physical interface circuit to be configured according to the system’s grounding and bus topology. Typical uses include industrial control systems, test and measurement equipment, building automation, data-acquisition units, motor-control systems, and industrial communications adapters. The 8-pin PDIP package is also convenient for prototyping and systems assembled through through-hole insertion rather than surface-mount automation. PCB implementation should preserve the transceiver’s high-speed signal integrity. Route the differential bus as a closely coupled pair, terminate the line at appropriate physical endpoints, and avoid adding unnecessary stubs. Place the transceiver close to the connector and keep ground returns short. The manufacturer datasheet remains the controlling reference for pin assignments, supply decoupling, driver enable behavior, receiver enable behavior, and absolute maximum ratings. This product page combines the exact manufacturer and distributor identifiers, separates functionally useful alternatives by package and data rate, and adds implementation guidance for evaluating the MAX3490EEPA+ in a new RS-485 or RS-422 design.

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MAX3490EESA+ - 12Mbps RS-485/RS-422 Transceiver | Analog Devices
MAX3490EESA+

MAX3490EESA+ - 12Mbps RS-485/RS-422 Transceiver | Analog Devices

The Analog Devices MAX3490EESA+ is a 3.3 V, single-channel RS-485/RS-422 transceiver with one driver, one receiver, 12 Mbps maximum data rate, and ±15 kV ESD protection in an 8-pin SOIC package. Its slew-rate-limited driver supports reliable point-to-point and multidrop industrial communication while helping reduce cable reflections and electromagnetic interference. The MAX3490EESA+ is identified as a production part by the manufacturer. An RS-485/RS-422 transceiver is an interface IC that converts logic-level signals into balanced differential bus signals and converts received differential signals back into logic levels. It belongs to the communication-interface hierarchy: transceiver → RS-485/RS-422 interface IC → interface IC → integrated circuit. These transceivers are designed for longer-distance, noise-resistant data links than single-ended interfaces, making them suitable for industrial equipment, building controls, instrumentation, and long cable runs. The MAX3490EESA+ combines 12 Mbps operation with 3.3 V power operation. Its one-driver, one-receiver arrangement allows a node to transmit and receive data, although the driver and receiver enable functions determine the operating direction. The manufacturer describes the MAX3490E family as slew-rate-limited, true RS-485/RS-422 devices with ±15 kV ESD protection. The 8-pin SOIC package supports compact surface-mount layouts while exposing the standard transceiver functions needed for balanced bus implementations. At the system level, the MAX3490EESA+ bridges a host controller or programmable logic and a differential communication bus. The receiver evaluates the difference between the two bus conductors, providing common-mode rejection for a noise-affected industrial environment. The differential bus also enables ground-potential differences between connected equipment to be tolerated within the interface's specified operating limits. The exact common-mode range, receiver thresholds, and electrical limits must be confirmed in the manufacturer datasheet before final sign-off. Typical uses include industrial control links, factory automation equipment, building-automation nodes, test and measurement systems, and embedded data acquisition. The 12 Mbps capability is useful when a design must transfer short, high-volume data bursts over a modest cable distance rather than operate as a slow long-distance field bus. The part can also pair with isolation or interface components when a design requires galvanic separation, surge protection, or additional bus transceivers. Designers should verify the differential-impedance-controlled trace and cable geometry, provide the bus termination specified by the system architecture, and connect the transceiver reference or common-mode network according to the manufacturer application guidance. Placement near the connector can reduce exposure of sensitive receive paths to radiated and conducted noise. Decoupling should also follow the datasheet recommendations, while ESD protection should be evaluated at the connector rather than assumed to replace an external protection network. This product page consolidates the verified manufacturer, distributor, and cross-reference information with practical selection guidance, packaging details, interface comparisons, and application notes. It is intended to help engineers identify the correct 8-SOIC transceiver while separating documented parameters from values that still require datasheet confirmation.

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MAX3490EPA+ - 10Mbps RS-485/RS-422 Transceiver | Analog Devices
MAX3490EPA+

MAX3490EPA+ - 10Mbps RS-485/RS-422 Transceiver | Analog Devices

The Analog Devices MAX3490EPA+ is a 3.3V-powered, full-duplex RS-485/RS-422 transceiver with one driver and one receiver, a maximum data rate of 10Mbps, and an 8-pin PDIP package. It operates from a 3V to 3.6V supply and is designed for low-power industrial communication links. According to the verified product data, the device supports RS-485 and RS-422 interfaces, uses slew-rate-limited signaling, and includes short-circuit and thermal protection on the driver. An RS-485/RS-422 transceiver is an interface IC that converts digital logic-level signals into differential bus signals and converts received differential signals back into CMOS-compatible data. These differential links are used in industrial automation, instrumentation, building controls, and data communications because they are more resistant to common-mode noise than single-ended interfaces. The MAX3490EPA+ belongs to the transceiver class within interface ICs and supports point-to-point or multipoint differential communication architectures. The principal verified features include one driver and one receiver, full duplex operation, a 3V to 3.6V supply range, and operation up to 10Mbps. The MAX3490EPA+ is identified as a true RS-485/RS-422 transceiver, while the slew-rate-limited driver helps control edge rates and reduce unwanted reflections and EMI. The verified distributor listing also identifies the package as 8-pin PDIP and lists the device as a 1/1 transceiver. The device is suited to interfaces where low-voltage digital control communicates with a field bus over a cable. Its 10Mbps capability can support high-speed data transfer, industrial control links, and equipment-to-equipment communication. The driver’s short-circuit current limiting and thermal shutdown protection help protect the output stage when a bus fault or improper termination creates excessive output stress. Applications must still observe the manufacturer’s absolute maximum ratings and recommended external-circuit requirements. For PCB implementation, use the 8-pin PDIP footprint and route the differential bus with controlled impedance when cable length, data rate, or EMI requirements justify it. Keep transceiver supply bypassing close to VCC and GND, connect the receiver and driver interface pins according to the datasheet, and select termination appropriate to the cable topology. The verified operating temperature range is -40°C to 85°C, making the part suitable for industrial temperature environments when the surrounding system requirements are met. This page consolidates verified manufacturer and distributor information, pricing references, interface selection guidance, and practical design notes for engineers evaluating the MAX3490EPA+. It does not infer unverified electrical parameters; unavailable values are explicitly marked for follow-up against the manufacturer datasheet.

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MAX3490ESA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver
MAX3490ESA+

MAX3490ESA+ - 3.3V 10Mbps RS-485/RS-422 Transceiver

The Maxim Integrated MAX3490ESA+ is a 3.3V low-power RS-485/RS-422 transceiver with one driver and one receiver, designed for data rates up to 10Mbps and housed in an 8-SOIC package. According to the verified product data, it is slew-rate limited and supports true RS-485 and RS-422 communication. The low 3.3V supply makes it suitable for industrial control, instrumentation, communications, and embedded systems where a compact differential interface is required. An RS-485/RS-422 transceiver is an interface IC that converts logic-level digital signals into differential signals for reliable communication over wired networks. In this product category, the transmitter drives a differential bus, while the receiver converts the differential bus voltage back into a logic-level signal. RS-422 commonly supports point-to-point communication, while RS-485 supports multipoint bus arrangements. The MAX3490ESA+ combines these functions in one package, reducing the number of external interface components. The verified listing identifies the MAX3490 family as 3.3V, low-power transceivers for RS-485 and RS-422 communication. The MAX3490 device is listed by Analog Devices as a 3.3V-powered, 10Mbps, slew-rate-limited, true RS-485/RS-422 transceiver. The + suffix denotes the lead-free ordering configuration commonly shown by distributors, while the exact package and suffix conventions should be confirmed against the manufacturer ordering guide before production release. Slew-rate limiting helps control the transition speed of the driver, reducing electromagnetic interference and cable reflections associated with faster edges. This is particularly useful when the transceiver drives longer cables or imperfectly terminated buses. The 10Mbps capability supports high-speed point-to-point links, but cable length, topology, termination, grounding, and signal integrity must be evaluated as a complete system rather than treated as an isolated IC specification. Typical applications include industrial RS-485 links, building and factory automation, data acquisition equipment, motor-control systems, security equipment, and embedded communications modules. The 3.3V supply is convenient for systems using 3.3V microcontrollers, DSPs, FPGAs, or other digital controllers. Designers should verify voltage levels, driver and receiver enable timing, bus termination, protection requirements, and operating-temperature limits against the manufacturer datasheet before release. The primary design consideration is ensuring the transceiver operates within the electrical limits of the intended bus. Differential routing should use controlled impedance where practical, the ground reference should be maintained, and unused inputs should not be left floating. This page combines the verified manufacturer and distributor information with practical application guidance, packaging information, and engineering selection criteria for evaluating the MAX3490ESA+.

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MAX3490ESA+T - 10Mbps Full-Duplex RS-485/422 | Analog Devices
MAX3490ESA+T

MAX3490ESA+T - 10Mbps Full-Duplex RS-485/422 | Analog Devices

The Analog Devices MAX3490ESA+T is a 3.3V-powered, low-power RS-485/RS-422 transceiver with one driver and one receiver in an 8-pin SOIC package. It supports data rates up to 10Mbps, operates from 3V to 3.6V, and is designed for full-duplex industrial communications. The tape-and-reel ordering code identifies the lead-free MAX3490ESA variant supplied on carrier tape. An RS-485/RS-422 transceiver is an interface IC that converts between single-ended logic-level signals and differential bus signals. Differential signaling reduces susceptibility to common-mode noise and allows reliable data transfer over longer cables. In the broader hierarchy, the MAX3490 belongs to the RS-485/RS-422 transceiver family within interface ICs and wired-communication semiconductors. Key features include a 10Mbps maximum data rate, 3V to 3.6V supply operation, full-duplex communication, and an integrated driver and receiver. The manufacturer describes the MAX3483, MAX3485, MAX3486, MAX3488, MAX3490, and MAX3491 as 3.3V low-power transceivers for RS-485 and RS-422 communication. These devices support industrial-control, instrumentation, data-acquisition, and factory-automation links where robust differential signaling is required. The MAX3490 provides separate transmit and receive paths for full-duplex operation, allowing the transmitter and receiver to remain active simultaneously. Its 8-SOIC surface-mount package supports compact PCB layouts, while the 3.3V supply simplifies interfacing with modern microcontrollers, field-programmable gate arrays, sensors, and industrial controllers. The exact receiver enable, driver enable, and bus-failover behavior should be confirmed against the manufacturer datasheet for the specific ordering variant before schematic sign-off. Typical applications include full-duplex RS-485 links between industrial controllers and remote I/O modules, point-to-point RS-422 interconnects in test equipment, factory-floor sensor networks, and embedded control systems. Compared with half-duplex transceivers that multiplex the driver and receiver onto the same bus pins, a full-duplex implementation can simplify timing and remove the need for software-managed bus turnaround. Designers should account for bus termination, fail-safe biasing, cable length, and grounding when using the MAX3490ESA+T. Differential buses normally require termination resistors at both ends of the cable, while bias resistors may be required to keep the bus in a defined state when no driver is active. Decoupling capacitors should be placed close to the supply and ground pins, and unused inputs should not be left floating. This page consolidates manufacturer product information, distributor pricing references, verified substitute candidates, pin-level guidance, and practical RS-485 design notes into one engineering-oriented resource. It also identifies which same-package alternatives are documented as pin-compatible replacements and where additional manufacturer verification is required.

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MAX350EWN+ - Dual 4:1 Serial Multiplexer | Analog Devices
MAX350EWN+

MAX350EWN+ - Dual 4:1 Serial Multiplexer | Analog Devices

The Analog Devices MAX350EWN+ is a serially controlled, low-voltage CMOS analog multiplexer configured as two independent 4:1 switches in an 18-pin wide SOIC package. It operates from 2.7 V to 16 V and provides a maximum on-resistance of 100 ohm, with channel-to-channel matching limited to 16 ohm and resistance variation across the specified signal range limited to 10 ohm. The MAX350EWN+ conducts signal equally well in either direction, allowing it to route analog inputs or outputs through a serial interface. An analog multiplexer is a semiconductor that connects one signal path to one of several channels through controlled switches. The MAX350 family extends this category to the hierarchy of analog switch, multiplexer, routing IC, and signal-management semiconductor. Its 4:1 dual configuration provides two separately selectable channel groups, making it suitable for channel-scanning systems where multiple sensors, measurement inputs, or controlled outputs share a common signal chain. Key features include serial control, bidirectional signal conduction, low-voltage CMOS operation, and tightly matched switch resistance. The 100 ohm maximum on-resistance limits signal attenuation, while the 16 ohm maximum channel-to-channel match improves consistency when comparing readings across different channels. Its 18-pin wide SOIC package also provides a practical surface-mount footprint for industrial and instrumentation designs. The device uses a serial interface to select channels and control the multiplexers, reducing the number of package pins needed compared with a parallel-control multiplexer. This architecture is valuable in systems that route several slow or moderate-bandwidth analog signals, particularly when the microcontroller has limited general-purpose input/output capacity. Typical applications include multimeter and laboratory input switching, automated test equipment, data-acquisition modules, sensor-channel multiplexing, and control of multiple analog signal paths. The MAX350EWN+ is appropriate when bidirectional analog routing and matched resistance are more important than ultra-low on-resistance or high-speed video multiplexing. When laying out the circuit, keep analog traces short and connect the device to a stable low-noise supply. Confirm the serial interface levels and logic thresholds against the system controller, and verify that every switched signal remains within the specified analog input range. Check the full on-resistance and off-isolation characteristics in the manufacturer datasheet when the signal source is high impedance.

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MAX35103EHJ+ Reduced-Power ToF Converter | Analog Devices
MAX35103EHJ+

MAX35103EHJ+ Reduced-Power ToF Converter | Analog Devices

The Analog Devices MAX35103EHJ+ is a reduced-power time-to-digital converter with an integrated analog front end, real-time clock, and flash memory, specified for a 2.3 V to 3.6 V supply in a 32-pin TQFP (5 mm × 5 mm) package. It targets ultrasonic heat, water, and gas meters and increases the maximum time-of-flight measurement frequency in event timing mode from 2 Hz on the MAX35101 to 16 Hz. A time-to-digital converter, or ToF converter, measures the elapsed time represented by an ultrasonic pulse by converting a timing event into a digital result. The MAX35103 integrates the pulse-generation, receive-signal conditioning, timing, clock, and nonvolatile-measurement functions required by a compact ultrasonic metering front end. This integration reduces external circuitry compared with a discrete timer and analog receive chain while preserving a path to low-cost, low-power meter designs. According to the manufacturer datasheet, the MAX35103 consumes about half the average power of the MAX35101. The supplied sources do not provide a numeric average-current value, oscillator accuracy, ToF resolution, measurement range, flash capacity, temperature range, or absolute timing accuracy, so those values require confirmation in the datasheet or device evaluation before design release. The listed operating supply range is 2.3 V to 3.6 V. The integrated real-time clock and flash support metering designs that need timekeeping and persistent measurement data alongside ultrasonic time-of-flight conversion. The 16 Hz maximum event-timing frequency is particularly relevant when the meter must update more frequently than the MAX35101. Firmware, calibration, echo detection, and time-of-digital compensation still determine achievable accuracy and must be evaluated with real transducers and meter mechanics. Typical uses include ultrasonic heat meters, water meters, and gas meters. An Analog Devices evaluation kit installs the MAX35103EHJ+ and includes a USB-to-SPI interface plus graphical software for exercising device functionality. The supplied distributor records list the MAX35103EHJ+ in a 32-TQFP package and identify it as a CMOS-input, CMOS-output time-to-digital converter IC. For PCB design, place decoupling and timing-critical paths according to the manufacturer layout guidance and keep the ultrasonic analog front end away from switching nodes and digital return-current paths. Validate transducer drive amplitude, receive gain, threshold timing, clock calibration, and flash endurance under the intended flow, temperature, and supply conditions. Do not infer production suitability from the general-purpose EV kit alone.

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MAX354EWE+ 8:1 Fault-Protected Analog Multiplexer | Analog Devices
MAX354EWE+

MAX354EWE+ 8:1 Fault-Protected Analog Multiplexer | Analog Devices

The Analog Devices MAX354EWE+ is a single 8:1 analog multiplexer with a 350 ohm on-resistance, fault protection to 40 V beyond the supply rails, and a 16-pin SOIC package. It routes one of eight single-ended analog inputs to a common output while protecting sensitive downstream circuitry during power-up, power-down, and fault conditions. An analog multiplexer is an interface IC that connects multiple signal paths to a shared processing or measurement resource. The MAX354 belongs to the broader switch and multiplexer hierarchy, where multiplexing reduces the number of input channels, converters, amplifiers, or external connectors required by an electronic system. Its fault-protected architecture is especially useful when external signals can exceed the nominal supply range during startup or abnormal operating conditions. The MAX354EWE+ provides eight channels, a 350 ohm on-resistance, and protection against overvoltage up to 40 V beyond the supply rails. These characteristics make the device relevant to data acquisition, instrumentation, test systems, industrial control, and battery-powered equipment. The MAX354/MAX355 family uses a series N-channel, P-channel, N-channel structure that isolates protected downstream components from excessive input voltage. The device is specified as a single-ended multiplexer in a 16-SOIC surface-mount package. Its industrial temperature grade suits equipment expected to operate across demanding environmental conditions. Because on-resistance and protection behavior influence signal fidelity and system reliability, designers should account for the complete source impedance, selected channel, supply state, and external signal amplitude rather than treating the switch as an ideal conductor. Typical uses include eight-channel sensor selection, industrial measurement front ends, automated test equipment, and embedded control systems that need to share an analog-to-digital converter or signal-conditioning channel. In these systems, the multiplexer reduces channel count while the fault-protected structure provides additional tolerance for externally driven signals. The final input range must remain compatible with the complete signal chain and device operating limits. A key design consideration is the relationship between the multiplexer, the protected signal source, and downstream circuitry. Keep sensitive return paths compact, observe the manufacturer’s pin configuration when assigning inputs and enables, and evaluate the switch resistance in the source impedance of the selected channel. The 350 ohm on-resistance is especially important for high-impedance sensors and low-amplitude measurements. This product page combines the manufacturer’s multiplex function, protection characteristics, package details, application analysis, and parameter-level comparison. It also distinguishes device-family options from true pin-compatible drop-in replacements so that PCB changes are not mistaken for a straightforward substitution.

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MAX368CPN+ - 8:1 Fault-Protected Analog Mux, 1.8kOhm | Maxim
MAX368CPN+

MAX368CPN+ - 8:1 Fault-Protected Analog Mux, 1.8kOhm | Maxim

The Analog Devices (Maxim Integrated) MAX368CPN+ is a fault-protected 8-channel (8:1) analog multiplexer with internal data latches and a 1.8 kOhm on-resistance, housed in an 18-pin PDIP (0.300 in / 7.62 mm) package. An analog multiplexer is a switch network that selects one of several analog input signals and routes it to a single output under digital control. Within the signal-chain hierarchy, the analog multiplexer sits between sensors or signal sources and amplifiers or ADCs, and is itself a member of the broader analog switch IC family. Fault-protected multiplexers add a critical layer: their inputs tolerate fault voltages far beyond the supply rails, and outputs are forced to a high-impedance state when power is removed, protecting downstream circuitry. Key features of the MAX368 include overvoltage protection up to plus or minus 35V at the analog inputs, channels automatically turned off when power is lost, all digital inputs TTL and CMOS compatible, and internal data latches for channel selection so the addressed channel is held without continuous drive of the address lines. Technical depth: the device operates from plus or minus 15V supplies with 5 nA typical leakage, and switches in approximately 1.5 microseconds on-time and 1 microsecond off-time with break-before-make switching action, ensuring the selected channels never short together during transitions. The C-grade temperature specification covers commercial ranges; E and M grades exist for extended and military environments. Typical applications include industrial data acquisition front ends where wiring faults or misconnection would otherwise destroy a standard CMOS mux, test and measurement input selector stages, and ATE (automated test equipment) channel routing where inputs may exceed supply rails. Design consideration: the 1.8 kOhm on-resistance must be accounted for in settling-time budgets when driving sample-and-hold or ADC inputs, particularly at higher source capacitance. This page synthesizes distributor pricing, verified drop-in grade variants, and practical design notes beyond the summary on the manufacturer datasheet.

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MAX395EAG+ - 8-Channel Serial SPST Switch | Analog Devices
MAX395EAG+

MAX395EAG+ - 8-Channel Serial SPST Switch | Analog Devices

The Analog Devices MAX395EAG+ is a serially controlled, 8-channel single-pole single-throw analog switch with a maximum on-resistance of 100 ohm, operating from 2.7 V to 16 V and housed in a 24-pin SSOP package. Each of its eight switches can be controlled independently through a serial shift-register interface compatible with SPI, QSPI, and MICROWIRE protocols. An analog switch is a semiconductor device that routes analog or digital signals between circuit nodes under electronic control. The MAX395 combines eight SPST switches with a serial control register, placing it in the hierarchy of analog switch, multiplexer or demultiplexer, interface IC, and semiconductor. It is useful where a microcontroller or test system must address multiple signal paths while minimizing the number of dedicated control pins. The device supports single-supply operation from 2.7 V to 16 V as well as dual-supply operation from ±2.7 V to ±8 V. Its maximum on-resistance is 100 ohm, and switching times are specified at up to 400 ns. Off leakage is 0.1 nA at +25°C and 5 nA at +85°C, helping preserve the integrity of high-impedance analog nodes during disconnected intervals. The internal serial interface shifts command data into the device on the rising edge of SCLK. Data presented at DIN is clocked into the internal shift register, where it controls the states of the eight SPST channels. According to the Analog Devices product page, the MAX395 is electrically equivalent to two MAX391 quad switches and is pin compatible with the MAX335. Typical uses include battery-powered measurement systems, automated test equipment, audio routing, industrial control interfaces, and general-purpose signal multiplexing. The serial interface reduces control-logic wiring, while the eight independently controlled channels provide flexible routing across a compact PCB footprint. Designers should account for the 100 ohm channel resistance when driving the switched nodes, especially with long PCB traces or high-frequency signals. Supply bypassing, grounded return paths, and careful routing of the serial clock and data lines are necessary to limit coupling into the analog channels. The power-up state leaves all switches off and resets the internal shift registers to zero. This page summarizes the device function, operating limits, pin-compatible family relationships, selection trade-offs, and practical integration guidance. It also organizes manufacturer information and technical alternatives to support faster component evaluation and board-level sourcing decisions.

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MAX396EQI - 16:1 Precision CMOS Analog Multiplexer | Maxim
MAX396EQI

MAX396EQI - 16:1 Precision CMOS Analog Multiplexer | Maxim

The Maxim Integrated (Analog Devices) MAX396EQI is a precision 16-channel/dual 8-channel low-voltage CMOS analog multiplexer housed in a 28-pin PLCC (11.51 x 11.51 mm) package, specified over the industrial -40C to +85C temperature range. The device is built on Maxim's low-voltage CMOS process and integrates a single 16:1 mux (or two 8:1 muxes in parallel mode) with parallel address logic, making it a classic Maxim precision signal-routing building block. It is the original E-series (extended-industrial) part of the MAX396 family. What is an analog multiplexer? An analog multiplexer (mux) is a switch network that routes one of N analog input signals to a single output line under digital control. Muxes are the foundational building block of analog signal chains, sitting between sensors, test points, instrumentation amplifiers, and an ADC. The MAX396EQI specifically belongs to the CMOS analog mux family, characterized by low on-resistance, low leakage, and rail-to-rail analog signal handling - critical for instrumentation and data-acquisition front-ends. Key specifications include 100 ohm maximum on-resistance (matched within 6 ohm between channels), on-resistance flatness of 10 ohm maximum across the specified analog signal range, transition time under 250 ns, and input off-leakage current below 1 nA at +85C. These characteristics make the MAX396EQI well suited for low-distortion multiplexing of precision signals without the channel-mismatch errors that plague generic muxes. The device operates from a single +2.7V to +16V supply (or split +/- supplies), draws a low quiescent current, and provides ESD-rated inputs with TTL/CMOS-compatible address logic. Architecturally it uses charge-pump driven CMOS analog switches that keep the on-resistance flat over the analog signal range - a hallmark of Maxim's precision muxes versus competing JFET or DMOS parts. Typical applications include data-acquisition front-ends, automated test equipment (ATE) signal routing, audio signal routing, instrumentation multiplexing, and process-control analog input boards. Engineers typically pair the MAX396EQI with a precision op-amp buffer and a successive-approximation ADC to build a 16-channel low-noise analog front-end. When designing with the MAX396EQI, observe the absolute maximum analog signal range of V+ and V- rails; exceeding these destroys the switches. Use a low-ESR bypass capacitor of 0.1 uF close to the supply pin and reserve a small RC network on the address lines to suppress digital switching transients that couple into the analog path. Compared with modern pin-compatible successors, the MAX396EQI delivers superior channel matching but consumes more supply current and occupies a larger PLCC footprint than today's TSSOP muxes. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not typically consolidated on the manufacturer datasheet, helping engineers select, source, and implement the MAX396EQI more confidently.

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MAX4061EUA+ Differential Microphone Preamplifier | Maxim
MAX4061EUA+

MAX4061EUA+ Differential Microphone Preamplifier | Maxim

The Maxim Integrated MAX4061EUA+ is a 1-channel Class AB differential microphone preamplifier with adjustable gain, internal microphone bias, and complete shutdown, housed in an 8-uMAX/uSOP package. The verified distributor listing identifies it as an Amplifier IC, while the manufacturer-family description identifies the MAX4060/MAX4061/MAX4062 family as differential-input microphone preamplifiers optimized for notebook and PDA audio systems. The device is intended for portable audio signal chains where a small microphone signal must be amplified while rejecting supply and common-mode noise. A microphone preamplifier is an audio amplifier IC that receives a small differential signal from an electret or differential microphone and raises it to a level suitable for downstream audio processing. In the broader electronics hierarchy, this component belongs to amplifier ICs, audio amplifiers, microphone preamplifiers, and portable audio signal-chain devices. Its differential-input architecture helps reject noise that appears equally on both microphone inputs, while adjustable gain allows the circuit to accommodate different microphone sensitivities. The verified family description specifically highlights internal bias, excellent power-supply rejection and common-mode rejection ratios, and low-noise operation. The MAX4061EUA+ additionally includes complete shutdown according to the listed family description, supporting power management in portable equipment. The distributor result identifies the amplifier as a mono, single-channel Class AB device, which is appropriate when the system processes one microphone channel rather than a stereo pair. The MAX4061EUA+ is supplied in an 8-uMAX/uSOP package according to the verified distributor result. The verified snippets do not provide the complete electrical parameter table, gain range, supply-voltage range, input impedance, noise density, or exact pin mapping. Those values must therefore be checked against the manufacturer datasheet before final circuit design. In particular, microphone bias voltage, gain-network design, supply sequencing, and shutdown control should be validated against the specific MAX4061EUA+ datasheet rather than inferred from similar family members. Typical applications include notebook microphones, PDA audio systems, portable audio devices, differential electret-microphone front ends, and compact microphone signal conditioning. The device's internal bias can simplify microphone front-end design compared with a discrete bias network, while its differential input arrangement can improve immunity to common-mode disturbance in a compact PCB. Complete shutdown can help reduce power consumption when the audio path is inactive, although the exact shutdown timing and current values are not present in the provided web data. For implementation, place the microphone input and amplifier compensation network close to the device, keep high-impedance microphone traces short, and provide local supply decoupling. Confirm the actual pinout and exposed-pad requirements from the manufacturer datasheet before layout release. This page combines the verified distributor identification, family-level manufacturer description, package information, pricing source, and application guidance while clearly identifying unavailable technical parameters rather than guessing them.

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