Analog Devices Inc./Maxim Integrated MAX1379EVKIT+

Overview

MAX1379EVKIT+ from Maxim Integrated is an evaluation kit designed to accelerate development and validation of the MAX1379 dual 12-bit, 1.25Msps simultaneous-sampling ADC. It supports full characterization of analog input ranges (0–VREF or ±VREF/2), SPI/QSPI/MICROWIRE-compatible serial interface operation, internal/external reference selection, and power-down modes (partial: 2mA, full: 5µA) under 4.75V–5.25V analog supply. The kit enables rapid prototyping for motor control feedback loops and industrial data acquisition systems requiring precise synchronized sampling.

For engineers reviewing the MAX1379EVKIT+ datasheet, MAX1379EVKIT+ pinout, MAX1379EVKIT+ application, or MAX1379EVKIT+ equivalent, this kit provides immediate access to verified hardware configuration, calibrated signal paths, reference schematics, layout files, and software drivers-enabling accurate performance benchmarking of the MAX1379 ADC across SINAD (71dB), SFDR (84dBc), full-linear bandwidth (1MHz), and timing-critical conversion rate (1.25Msps dual-output mode).

Technical Context

The MAX1379EVKIT+ implements a complete test platform for the MAX1379 ADC, including precision analog signal conditioning, programmable reference selection (internal 4.096V or external), dual-channel differential/single-ended input routing, and configurable SPI interface clocking up to 20MHz. It integrates dedicated CNVST synchronization circuitry to preserve simultaneous sampling integrity between channels.

Hardware design includes low-noise power regulation (AVDD, VL), proper AGND/DGND separation, 1µF REF bypassing, and 10µF || 10nF AVDD decoupling per datasheet requirements. All critical timing parameters-including tCONV (0.8µs), tSETUP (10ns), and tDHOLD (4ns)-are maintained via controlled trace lengths and impedance-matched signal routing.

Key Specifications

Availability

MAX1379EVKIT+ is available at Aetrix Electronics and suitable for industrial process control, motor control feedback systems, and RF instrumentation requiring stable component supply, validated reference designs, and rapid time-to-test capability.

Supply support for MAX1379EVKIT+ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Maxim Integrated (now part of Analog Devices) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications applications.

The MAX1379EVKIT+ belongs to Maxim's precision data acquisition evaluation platform family, engineered to simplify adoption of high-speed, low-power, simultaneous-sampling ADCs in noise-sensitive and timing-critical measurement systems.

FAQ

What is the primary function of the MAX1379EVKIT+?

The MAX1379EVKIT+ is an evaluation kit that provides a fully assembled, tested, and documented hardware platform for characterizing and developing with the MAX1379 dual 12-bit, 1.25Msps simultaneous-sampling ADC. It includes all necessary circuitry-reference selection, signal conditioning, power regulation, and SPI interface-to validate real-world performance without custom PCB design. The MAX1379EVKIT+ enables immediate functional testing and parameter extraction for the MAX1379 under defined operating conditions.

Does the MAX1379EVKIT+ support both internal and external reference configurations for the MAX1379?

Yes, the MAX1379EVKIT+ supports both internal and external reference modes for the MAX1379. It features a jumper-selectable REFSEL control that routes the MAX1379's REF pin either to its internal 4.096V reference (bypassed with ≥1µF capacitor to RGND) or to an externally supplied reference voltage (1.0V to AVDD + 0.05V). This allows users to evaluate accuracy, noise, and stability trade-offs between integrated and precision external references during MAX1379 system integration.

Can the MAX1379EVKIT+ be used to verify simultaneous sampling accuracy between the two ADC channels?

Yes, the MAX1379EVKIT+ preserves and exposes the MAX1379's simultaneous sampling architecture through synchronized CNVST signal routing and matched analog input paths. It enables direct measurement of aperture delay matching (≤2ns) and offset-error matching (±9LSB) between Channel 1 and Channel 2-critical for phase-coherent applications like motor current sensing or I/Q demodulation. The MAX1379EVKIT+ layout ensures minimal inter-channel skew, supporting valid verification of true simultaneous acquisition behavior.

What power supply requirements must be met to operate the MAX1379EVKIT+ with the MAX1379?

The MAX1379EVKIT+ requires a stable 4.75V–5.25V analog supply (AVDD) and a separate 1.8V–AVDD digital supply (VL) for the MAX1379. On-board regulators or external bench supplies must meet ripple and transient response specs per the MAX1379 datasheet: AVDD must be decoupled with 10µF || 10nF to AGND, and REF must be bypassed with ≥1µF to RGND. These conditions ensure the MAX1379EVKIT+ delivers specified performance-71dB SINAD, 1.25Msps throughput, and <2ns aperture delay matching-for the MAX1379.

Is the MAX1379EVKIT+ compatible with standard SPI host controllers and software frameworks?

Yes, the MAX1379EVKIT+ implements a standard 3-wire SPI-compatible interface (CS, SCLK, DOUT1/DOUT2) that operates at up to 20MHz and supports SPI, QSPI, and MICROWIRE protocols. It is compatible with common microcontroller SPI peripherals (e.g., ARM Cortex-M, Renesas RX, TI MSP430) and open-source frameworks such as Arduino SPI library and Python-based libsigrok. The MAX1379EVKIT+ documentation includes register map definitions and example initialization sequences to streamline integration with the MAX1379 in production firmware.