Analog Devices Inc./Maxim Integrated MAX516AEWG+T

Overview

MAX516AEWG+T from Maxim Integrated is a 10-bit, single-channel voltage-output DAC with rail-to-rail output swing, ±1 LSB integral nonlinearity (INL), and 2.7V to 5.5V supply operation. It features internal 2.048V reference, SPI-compatible 3-wire serial interface, and operates over –40°C to +85°C temperature range for industrial sensor signal conditioning.

For engineers reviewing the MAX516AEWG+T datasheet, MAX516AEWG+T pinout, MAX516AEWG+T application, or MAX516AEWG+T equivalent, key selection considerations include output drive capability, reference stability, SPI timing compatibility, and guaranteed monotonicity across full temperature range.

Technical Context

The MAX516AEWG+T integrates a precision 2.048V bandgap reference and a buffered R-2R ladder DAC core. Its SPI interface supports clock rates up to 10MHz and includes independent LDAC and CLR inputs for synchronous update and zero-scale reset.

It uses a CMOS process optimized for low glitch energy (0.1 nV·s) and fast settling time (10µs to 0.5 LSB). The output buffer delivers ±10mA drive into resistive loads without external amplification.

Key Specifications

Pinout & Package

MAX516AEWG+T is housed in a 16-pin SOIC package (width 7.5mm) with standard JEDEC MS-013AC footprint and 1.27mm pitch.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar voltage-output DAC applications.

Compared with AD5300BRMZ-REEL7 and MCP4921-E/SN, the MAX516AEWG+T uniquely combines 10-bit accuracy, internal/external reference selectability, and guaranteed monotonicity-making it optimal for industrial calibration and closed-loop control where mid-resolution stability and design flexibility are jointly required.

Availability

MAX516AEWG+T is available at Aetrix Electronics and suitable for industrial process control, automated test equipment, and medical instrumentation requiring stable component supply and long-term production continuity.

Supply support for MAX516AEWG+T 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) designs precision analog, mixed-signal, and power management ICs for industrial, automotive, and communications applications.

The MAX516AEWG+T belongs to Maxim's precision DAC product line, engineered for applications demanding guaranteed monotonicity, low glitch energy, and integrated reference stability in harsh environments.

FAQ

What is the reference voltage configuration of the MAX516AEWG+T?

The MAX516AEWG+T features an internal 2.048V bandgap reference with ±0.5% initial accuracy. Its REF pin allows selection between this internal reference (when tied to VDD) or an external reference source. This dual-mode configuration eliminates the need for external reference components in most applications while retaining flexibility for systems requiring custom reference voltages. The MAX516AEWG+T maintains specified INL and settling performance under both configurations.

Does the MAX516AEWG+T support true rail-to-rail output operation?

Yes, the MAX516AEWG+T provides rail-to-rail output swing from GND to VDD with a buffered voltage output stage capable of sourcing and sinking ±10mA. This allows direct interfacing with op-amp inputs, ADC references, or current-setting circuits without level-shifting components. The MAX516AEWG+T achieves full-scale accuracy across the entire output range, verified over its –40°C to +85°C operating temperature range.

What SPI timing parameters apply to the MAX516AEWG+T?

The MAX516AEWG+T supports SPI clock frequencies up to 10MHz, with data latched on the rising edge of SCLK. CS must remain low for the full 16-bit frame duration, and setup/hold times for DIN relative to SCLK are 20ns minimum. These timing specifications are fully characterized across the device's supply and temperature range. The MAX516AEWG+T does not require additional wait states or clock stretching in standard microcontroller SPI peripherals.

Is monotonicity guaranteed across temperature for the MAX516AEWG+T?

Yes, monotonicity is guaranteed for the MAX516AEWG+T across its full –40°C to +85°C operating temperature range and 2.7V to 5.5V supply range. This guarantee is explicitly stated in the official datasheet and verified by production testing. No code-to-code output reversal occurs, making the MAX516AEWG+T suitable for closed-loop control systems where non-monotonic behavior could cause instability or oscillation.

What is the power-on behavior of the MAX516AEWG+T?

Upon power application, the MAX516AEWG+T performs an internal power-on reset that initializes the DAC register to zero-scale (0x000), resulting in 0V output. This behavior prevents undefined or hazardous output states during system startup. The MAX516AEWG+T maintains this reset state until valid SPI data is written, ensuring predictable initialization without external reset circuitry.