Analog Devices Inc./Maxim Integrated MAX11040KDBEVKIT#

Overview

MAX11040KDBEVKIT# from Maxim Integrated is an evaluation kit for the MAX11040K 24-bit, 4-channel, simultaneous-sampling sigma-delta ADC - designed to validate high-accuracy power measurement systems with cascaded multi-device synchronization, ±2.2V differential input range, and 117dB SNR at 1ksps. It supports full characterization of phase-compensated sampling, programmable data rates (0.25–64ksps), and fault-protected analog inputs up to ±6V.

For engineers reviewing the MAX11040KDBEVKIT# datasheet, MAX11040KDBEVKIT# pinout, MAX11040KDBEVKIT# application, or MAX11040KDBEVKIT# equivalent, this kit enables rapid validation of synchronized multi-channel energy metering, industrial DAQ, and multiphase power monitoring - including SPI/QSPI interface timing, cascade clock alignment, and overvoltage fault response under real-world line conditions.

Technical Context

The MAX11040KDBEVKIT# provides complete hardware and firmware support for evaluating the MAX11040K ADC's simultaneous 4-channel sampling architecture, which uses four independent sigma-delta modulators feeding a shared digital filter chain. It implements the full 38-pin TSSOP pinout, including CASCIN/CASCOUT daisy-chain control, SYNC-driven timing alignment, and DRDYOUT/DRDYIN inter-device handshaking.

Kit-level features include on-board 24.576MHz crystal oscillator, configurable internal/external reference selection (REFIO), ±6V overvoltage-protected analog input buffers, and jumper-selectable AVDD/DVDD supply rails (3.0–3.6V/2.7–3.6V). All critical timing parameters - including SCLK setup/hold, CS pulse width, and SYNC-to-conversion latency - are validated per the MAX11040K datasheet specifications.

Key Specifications

Availability

MAX11040KDBEVKIT# is available at Aetrix Electronics and suitable for power-protection relay equipment, multiphase power systems, and industrial data-acquisition systems requiring stable component supply, pre-validated signal chain performance, and full documentation traceability.

Supply support for MAX11040KDBEVKIT# 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 precision analog, mixed-signal, and high-reliability ICs for industrial, automotive, and communications applications.

The MAX11040KDBEVKIT# belongs to Maxim's high-accuracy energy measurement product line, engineered specifically for Class 0.1 and 0.2 electricity meters, fault-tolerant protection relays, and synchronized wideband power quality analyzers.

FAQ

What is the primary function of the MAX11040KDBEVKIT#?

The MAX11040KDBEVKIT# is a fully assembled and tested evaluation platform for the MAX11040K 24-bit simultaneous-sampling ADC. It enables engineers to verify key performance metrics - including SNR (117dB at 1ksps), channel-to-channel phase matching (<0.0001°), and cascaded multi-device synchronization - without custom PCB design. The kit includes firmware, GUI software, and schematics to accelerate development of energy metering and power monitoring systems using the MAX11040K.

Does the MAX11040KDBEVKIT# support daisy-chaining multiple MAX11040K devices?

Yes, the MAX11040KDBEVKIT# fully supports daisy-chaining up to eight MAX11040K devices via its CASCIN/CASCOUT interface and SYNC input. The board implements proper termination, level-shifting, and timing margining per the MAX11040K datasheet requirements. It validates synchronized sampling across 32 channels and demonstrates single-command readout of all cascaded device outputs using the shared SPI bus.

Can the MAX11040KDBEVKIT# operate with both internal and external voltage references?

Yes, the MAX11040KDBEVKIT# provides hardware-selectable reference configuration: users can enable the MAX11040K's internal 2.5V reference (±50ppm/°C drift) or connect an external 2.3–2.7V reference to REFIO. Jumper settings and on-board decoupling (1µF + 0.01µF per REFx pin) ensure compliance with MAX11040K reference noise (<3µVRMS) and PSRR (75dB) specifications.

What analog input protection features are implemented on the MAX11040KDBEVKIT#?

The MAX11040KDBEVKIT# preserves the MAX11040K's native ±6V overvoltage tolerance on all AIN+/- pins. It routes inputs through low-leakage (<±1µA), high-impedance (130kΩ) front-end networks and connects FAULT/OVRFLW open-drain outputs to LED indicators and microcontroller GPIOs - enabling real-time detection of input faults and data overflow events as specified in the MAX11040K datasheet.

Is crystal oscillator support included on the MAX11040KDBEVKIT#?

Yes, the MAX11040KDBEVKIT# integrates a 24.576MHz fundamental-mode crystal (MP35 series, ESR <30Ω) between XIN and XOUT, matching the MAX11040K's recommended oscillator configuration. The board implements proper load capacitance (10pF max), startup timing (<2ms), and CLKOUT buffering - validating the device's internal oscillator operation, frequency stability (±10ppm/°C), and jitter performance required for metrology-grade sampling.