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Home » NEWEST Products » New by Manufacturer » Maxim Integrated » MAXREFDES Reference Designs - Maxim
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Maxim MAXREFDES Reference Designs

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MAXREFDES11 Fresno Reference Design

Maxim Integrated Fresno (MAXREFDES11#) subsystem reference design is a 16-bit high-accuracy industrial analog front end (AFE) that accepts 0 to 10V signals and features isolated power and data—all integrated into a small form factor. The Fresno design integrates an ultra-precision low-noise buffer (MAX44250); a highly accurate ADC (MAX11100); an ultra-high-precision 4.096V voltage reference (MAX6126); 600VRMS data isolation (MAX14850); and isolated/regulated +5.5V, +5V, and -3V power rails (MAX256/MAX1659/MAX1735). This AFE solution can be used in any application that needs high-accuracy analog-to-digital conversion, but it is mainly targeted for industrial sensors, industrial automation, process control, programmable logic controllers (PLCs), and medical applications.

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MAXREFDES4 Campbell Reference Design

Maxim's MAXREFDES4 Campbell subsystem reference design is a 16-bit high-accuracy industrial analog front end (AFE) that accepts a 4-20mA current loop or a 0.2V to 4.096V voltage input signal, and features isolated power and data—all integrated into a small form factor. The Campbell design integrates a precision low-noise buffer (MAX44250), a high-accuracy ADC (MAX11100), an ultra-high-precision 4.096V voltage reference (MAX6126), 600VRMS data isolation (MAX14850), and isolated/regulated 5V power rails (MAX256/MAX1659). This AFE solution can be used in any application that needs high-accuracy analog-to-digital conversion, but it is mainly targeted for industrial sensors, industrial automation, process control, programmable logic controllers (PLCs), and medical applications.

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MAXREFDES5 Santa Fe Reference Design

Maxim's MAXREFDES5 Santa Fe Reference Design is a 16-bit high-accuracy industrial analog front end (AFE) that accepts -10V to +10V, 0 to 10V, and 4-20mA current loop signals with isolated power and data integrated into a small form factor. The Santa Fe design integrates low-noise high-impedance analog buffers (MAX9632); a highly accurate ADC with innovative on-chip attenuation (MAX1301); an ultra-high precision 4.096V voltage reference (MAX6126); 600VRMS data isolation (MAX14850); and isolated/regulated +12V, -12V, and 5V power rails (MAX256/MAX1659). This AFE solution can be used in any application that needs high-accuracy analog-to-digital conversion, but it is mainly targeted for industrial sensors, industrial automation, process control, programmable logic controllers (PLCs), and medical applications.

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MAXREFDES6 Fremont Reference Design

Maxim MAXREFDES6 Fremont Reference Design accurately measures low voltage, 0 to 100mV, single-ended analog signals with a high-accuracy, 16-bit analog front end (AFE) complete with an isolated data path. The design optimizes the functions of an ultra-precision low-noise buffer (MAX9632); a highly accurate ADC (MAX11100); an ultra-high-precision 4.096V voltage reference (MAX6126); a 600VRMS monolithic data isolator (MAX14850); and low-dropout (LDO) regulators providing regulated +6V, +5V, and -5V power rails (MAX1659 and MAX1735). This one of a kind AFE solution works in many applications requiring low-voltage input, high impedance, and high-accuracy analog-to-digital conversion.

Maxim MAXREFDES6 Fremont Reference Design
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MAXREFDES30 Petaluma Reference Design

Maxim MAXREFDES30 Petaluma Reference Design delivers an intelligent grid data management tool with 3-phase, high-speed analog data collection. The Petaluma subsystem reference design is a cost optimized, high-speed and high-accuracy analog measurement solution with an 8-channel simultaneous sampling analog front end. It monitors grid data simultaneously from all phases, so grid managers can optimize their distribution signal chain. Hardware, firmware, design files, and lab measurements provide complete system information for rapid prototyping and development.

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Maxim Output Isolated Power Supply Reference Designs  View All Maxim Output Isolated Power Supply Reference Designs

MAXREFDES7 Lakewood Reference Design

Maxim's MAXREFDES7 Lakewood Reference Design is a subsystem reference design, that uses an H-bridge transformer driver (MAX256) and a pair of low dropout (LDO) linear regulators (MAX1659 x2) to create a ±12V (±15V) output isolated power supply from a 3.3V voltage input. This general-purpose power solution can be used in many different types of isolated power applications, but is mainly targeted for industrial sensors, industrial automation, process control, and medical.

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MAXREFDES8 Riverside Reference Design

Maxim's MAXREFDES8 Riverside Reference Design is a subsystem reference design, that uses an H-bridge transformer driver (MAX256) and a low dropout (LDO) linear regulator (MAX1659) to create a 12V (15V) output isolated power supply from a 3.3V voltage input. This general-purpose power solution can be used in many different types of isolated power applications, but is mainly targeted for industrial sensors, industrial automation, process control, and medical applications.

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MAXREFDES9 Oceanside Reference Design

Maxim's MAXREFDES9 Oceanside Reference Design is a subsystem reference design, that uses a step-up controller (MAX668), a 36V H-bridge transformer driver (MAX13256), and a pair of low dropout (LDO) linear regulators (MAX1659 x2) to create a ±15V (±12V) output isolated power supply from a wide range of input voltages. This general purpose power solution can be used in many different types of isolated power applications, but is mainly targeted for industrial sensors, industrial automation, process control, and medical applications.

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MAXREFDES33 Palo Verde Reference Design

Maxim MAXREFDES33 Palo Verde Step-Down Converter reference design demonstrates the application of the MAX15062A 60V, 300mA ultra-small, high-efficiency, synchronous step-down converter. The reference design operates over a wide 4.5V to 60V input voltage range, and provides up to 300mA at 3.3V output. The device features undervoltage lockout, overcurrent protection, and thermal shutdown. The MAX15062A switches at a fixed frequency of 500kHz, and delivers a peak efficiency of 86.77% with the supplied components when the input is 24V. This general-purpose power solution can be used in many different types of power applications, such as 4-20mA current loops, HVAC and building control, high-voltage LDO replacement, general-purpose point-of-load, etc. In this reference design, the MAX15062 performs in 24V input applications, such as industrial sensors, process control, etc.

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MAXREFDES14 Sonoma Reference Design

Maxim's MAXREFDES14 Sonoma Reference Design is an energy measurement subsystem reference design that provides galvanic isolation from the system with a single pulse transformer while using resistors as the sensing elements. The result is a small, cost-optimized board. The Sonoma design utilizes an isolated energy measurement processor (MAX78615+LMU); a multichannel, precision analog-to-digital converter (ADC) (MAX78700); a pulse transformer; optional 20MHz crystal oscillator, and the appropriate sense resistors for converting AC voltage and current into measurable signals. With the embedded load monitoring unit (LMU) firmware and nonvolatile storage of calibration and configuration data, Sonoma is a complete measurement subsystem ready for integration into any design.

MAXREFDES15 Monterey Reference Design

Maxim MAXREFDES15 Monterey Reference Design delivers an ultra-low power, high accuracy 4-20mA 2-wire current loop sensor evaluation board. The 4-20mA current loop is widely used as an analog communication interface in industrial applications for transmitting the data from remote sensors to a programmable logic controller (PLC) in a central control center over a twisted pair cable. Here, 4mA represents the lowest temperature value, and 20mA represents the highest measured temperature. There are four main advantages of the current loop. First, the accuracy of the signal is not affected by the voltage drop in the loop, as long as the power-supply voltage is greater than the total voltage drop across the loop. Secondly, it uses two wires for power as well as data communication over the entire loop. Thirdly, it is more immune to noise. Lastly, it is offered at a low cost and easy installation.

Maxim MAXREFDES15 Monterey Reference Design
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MAXREFDES16 Novato Reference Design

Maxim's MAXREFDES16 Novato Reference Design is a 16-bit, high-accuracy, loop-powered temperature transducer that transmits temperature information from a remote object to the central control unit over a 4-20mA current loop and using the highway addressable remote transducer (HART) communication protocol. Temperature is one of the most widely measured parameters in industrial process control and automation. This reference design provides a complete signal-chain solution that works with any type of RTDs, from PT100 to PT1000. The Novato PT100 2-wire, loop-powered smart temperature transmitter guarantees a low-power, easy-to-use, reliable solution of temperature measurement from -200°C to +850°C with accuracy better than 0.1% or 1.0°C, whichever is more accurate, over the entire operating range.

Maxim MAXREFDES16 Novato Reference Design
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MAXREFDES23DB Santa Cruz Reference Design

Maxim's MAXREFDES23DB Santa Cruz Reference Design is the world's smallest IO-Link light sensor with six integrated sensors ambient light (clear), red, green, blue, infrared, and temperature all on a tiny printed circuit board (PCB) that is 6.5mm x 25mm. Maxim Integrated, Renesas Electronics, and Technologie Management Gruppe Technologie und Engineering (TMG TE) collaborated in designing Santa Cruz as an IO-Link version 1.1/1.0 compliant light sensor reference design. The Santa Cruz design consists of an industry standard Maxim Integrated IO-Link device transceiver (MAX14821), a Renesas ultra-low-power, 16-bit microcontroller (RL78) utilizing TMG TE's IO-Link device stack and a Maxim Integrated light sensor (MAX44008).

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MAXREFDES27 Saratoga Cruz Reference Design

Maxim's MAXREFDES27 Saratoga Reference Design is a tiny IO-Link proximity sensor with an IR receiver, matching IR LED driver, IO-Link transceiver, and energy-efficient step-down converter all on an 8.2mm x 31.5mm printed circuit (PC) board. This reference design is an IO-Link version 1.1/1.0 compliant proximity sensor reference design. The MAXREFDES27# design consists of an industry standard Maxim Integrated IO-Link device transceiver (MAX14821), a tiny low-dropout linear regulator (MAX8532), an efficient high-voltage step-down converter (MAX17552), a Renesas ultra-low-power 16-bit microcontroller (RL78) utilizing Technologie Management Gruppe Technologie und Engineering's (TMG TE) IO-Link device stack, and a Maxim Integrated proximity sensor (MAX44000).

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MAXREFDES12 Corona Reference Design

Maxim's MAXREFDES12 Corona Reference Design provides the front-end interface circuit of a programmable logic controller (PLC) digital input module. The serialization feature allows a large reduction in the number of optocouplers used for isolation. The reference design accepts high-voltage inputs (36V, max) and features isolated power and data—all integrated into a small form factor. The Corona design integrates an octal, digital input translator/serializer (MAX31911), a data isolation device (MAX14850), and an H-bridge transformer driver for isolated power supply (MAX13256). The Corona digital input circuit solution is mainly targeted for digital input modules for PLCs, industrial automation, process automation, and motor control applications.

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MAXREFDES18 Carmel Reference Design

Maxim Integrated MAXREFDES18 Carmel Reference Design provides a high-accuracy analog current/voltage output in a compact, galvanically isolated form factor. This design uniquely fits programmable logic controllers, distributed control systems, and other industrial applications. Maxim MAXREFDES18 Carmel design features a MAX5316 16-bit digital-to-analog converter that drives the input of a MAX15500 programmable analog output conditioner. The integrated MAX6126 ultra-high-precision voltage reference provides references for the DAC and the output conditioner. MAX14850 galvanically isolates data communication between the subsystem and the system controller. The subsystem also integrates an isolated and regulated power supply by using the MAX13253 transformer driver and the MAX1659 and MAX1735 low-dropout linear regulators.

Maxim Integrated MAXREFDES18 Carmel Reference Design

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MAXREFDES24 Alameda Reference Design

Maxim's MAXREFDES24 Alameda Reference Design features four dense, highly accurate analog outputs in a compact, galvanically isolated form factor. Each channel provides current or voltage. This design uniquely fits in programmable logic controllers (PLC), distributed control systems (DCS), and other industrial applications. The Alameda subsystem combines four high-accuracy (< ±0.1%) outputs with a high-efficiency, low-noise power supply controller on a single board. Alameda offers extreme flexibility—its outputs are configurable to ±10V, ±20mA, 0 to 10V, or 4-20mA for current and voltage applications. Automatic error reporting for detecting open and short circuits, brown-outs, and overtemperature conditions make this subsystem ideal for demanding, precision industrial control and automation applications.

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MAXREFDES34 Alcataz Reference Design

Maxim's MAXREFDES34 Alcatraz Reference Design is a subsystem that provides a reference design for securing Xilinx FPGAs to protect IP and prevent attached peripheral counterfeiting. The system implements a SHA-256 challenge-response between the FPGA and a DS28E15 secure authenticator. The DS28E15 communicates over the single-contact 1-Wire® bus, reducing the number of pins necessary to carry out the solution. The reference code defines a combined SHA-256 processor and 1-Wire Master of the host FPGA.

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MAXREFDES36 Reference Design

Maxim's MAXREFDES36 Reference Design is an IO-Link 16-channel digital input hub that fits on a small 53.75mm x 72mm printed circuit board (PCB). This reference design is an IO-Link version 1.1/1.0 compliant digital input hub reference design. The MAXREFDES36 design consists of an industry standard Maxim Integrated IO-Link device transceiver (MAX14821), an efficient high-voltage step-down converter (MAX17552), a Renesas® ultra-low-power 16-bit microcontroller (RL78) utilizing Technologie Management Gruppe Technologie und Engineering's (TMG TE) IO-Link device stack and two Maxim Integrated digital input serializers.

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