Interface ICs provide complete electronic interface circuit functions in a single chip which increases reliability while providing significant savings in design effort, design size and cost. Interface devices control and manage signal communications between diverse electronic systems.Maxim's wide selection of interface ICs enable robust, reliable and efficient communications which simplify design while providing the highest levels of signal isolation and protection.Maxim's market-leading transceivers, IO-Link devices, USB, high-speed serial link and industrial I/O interface devices support a broad variety of applications, including industrial, automotive, mobile and portable devices.

Transceivers

Transceivers implement physical layer protocols for various communications and serial bus interface standards. Maxim’s transceivers integrate a wide array of features to increase reliability and simplify designs while providing the highest levels of protection on the market. Click on the following links for more information about each ofMaxim's transceiver product lines.

IO-Link and Binary Drivers

IO-Link® is a 3-wire industrial communications standard designed for linking sensors and actuators into control networks. In IO-Link applications, the transceiver acts as the physical layer interface to a microcontroller running the data-link layer protocol while supporting up to 24V digital inputs and outputs. Maxim transceivers support all IO-Link specifications.

Binary drivers use a standard 24V, 3-wire industrial interface. These drivers typically support high-side (pnp), low-side (npn), or push-pull configurations along with normally open (NO) or normally closed (NC) logic. Maxim’s binary drivers integrate transient protection that meets IEC 60255-5 surges up to ±1.3kV as well as OTP programming options to set 3.3V or 5V outputs, the timing of the power-on reset (POR) delay.

Controllers/Expanders

Maxim's controllers provide protocol conversion and port expansion for popular serial communications protocols including RS-232 and USB. In addition,Maxim's smart card controllers cost-effectively read smart cards.Maxim's I/O expanders increase the functionality of your microcontroller through incremental port expansion.

Level Translators

Level translators provide an interface between components that operate at different voltage levels. Maxim offers a wide range of high-speed level, logic-level, and smart card level translators in both uni- and bidirectional types.

Industrial I/O

Factories are expanding to enable Industry 4.0, buildings are getting smarter, and robotics are continually evolving. Such wide spread innovation drives designers in various industries to optimize and enhance their products.Maxim's industrial digital and analog I/O IC portfolio provide the highest levels of robustness on the market with the highest integration and software configurability for a more flexible solution.

High-voltage industrial digital input (DI) and digital output (DO) signals (also called binary signals), typically range in magnitude from 0 to 24V. Digital I/O signals are used by industrial automation and control equipment, operating in harsh and noisy environments, to communicate on/off status between remote devices and controllers.Maxim's industrial digital I/O ICs perform voltage level translation while providing circuit protection. Many also perform data serialization to allow economical operation through digital signal isolators.

Analog I/O signals are used in both factory and build automation to enable smarter sensing and push intelligence at the edge.Maxim's best in class analog input (AI), analog output (AO) and configurable analog input/output (CIO) ICs provide the highest levels of system accuracy in the market with per-channel software configurability. Factory calibration and robust integrated protection reduce overall system cost and size. Innovative designs decrease power consumption allowing operation of more channels without derating for ambient temperature.

Isolation

Isolation ICs (also called isolator ICs) provide complete galvanic isolation between two power domains. Isolation ICs protect circuits from high common-mode transients and faults and eliminate ground loops. Isolation ICs are commonly used in industrial communications and medical applications.

Digital Signal Isolators

Our digital signal isolator products provide up to 5kV of isolation and support data rates up to 200Mbps. Digital isolators are replacing optocouplers in many applications because they offer the same isolation capability while reducing power requirements and using less board space. Products are available for use with many industry communication standards.

When used with Maxim's industrial digital input level translator and serializers, these digital isolators provide a complete digital input solution that saves design space increases reliability, and reduces power requirements.

High-Speed Signaling

Maxim offers a wide variety of ICs for high-speed differential signaling. Maxim's products support a dozen standards: CML, CMOS, ECL, HSTL, LCDS, LVCMOS, LVDS, LVECL, LVPECL, LVTTL, PECL, and TTL.

Universal Serial Bus (USB)

Maxim provides wide range of products that were designed for use in USB signaling and USB power management.Maxim's USB battery charger ICs offer USB-C and BC1.2 adapter detection, reduce charge time and heat while maximizing safety.Maxim's USB battery charger detector ICs enable universal and optimal charging over USB-C or legacy ports.

Signal Line Protection ICs

Crosstalk, electromagnetic interference (EMI), and electrostatic discharge (ESD) can cause voltage spikes that destroy input circuitry. Signal line protection circuits significantly increase survivability by clamping over-voltage events, including those from ESD.

Signal Integrity

Maxim's portfolio of signal integrity solutions provides protocol-specific redrivers and equalizers to overcome PCB and cable losses for enhanced link performance and system reliability.

Current Loop Products - 4-20mA Current Loop

Current loops are useful for accurately communicating analog signals over long distances. Unlike voltage, current does not vary due to line resistance or capacitance—both which change with cable length. Current loops provide a high level of noise immunity. As a result, they are widely used in electrically noisy environments.

Maxim provides a wide range of products designed for implementing and protecting 4-20mA communication links.

Broadband Switches

Maxim's broadband switch portfolio offers protocol-specific solutions for high-speed (> 500MHz) interfaces. These devices are bidirectional, passive switches that allow the customer to switch between multiple hosts and downstream ports. Because the high-speed switches are protocol-specific for USB 3.0, VGA, DisplayPort, SAS, and SATA interfaces, customers enjoy fully integrated, flexible, and easy to design solutions.

Sensor Interface

Sensor interface ICs connect directly to a sensor element and provide the needed signal conditioning to extract an accurate signal for monitoring and control systems. Fully integrated sensor signal conditioners connect directly to the sensor, perform conditioning, and optionally fulfill data communication functions.

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