MAX515CSA+T

Digital To Analog Converters Overview

The MAX515CSA+T is a low-power, voltage-output, 10-bit digital-to-analog converter specified for single +5V power-supply operation. It draws only 140µA of supply current and features a buffered voltage output with a fixed gain of 2. The device utilizes an R-2R ladder network and includes a serial interface compatible with SPI, QSPI, and Microwire standards. Key electrical parameters include a settling time of 25µs to ±1/2LSB, a differential nonlinearity (DNL) of ±1 LSB, and an integral nonlinearity (INL) of ±0.5 LSB maximum.

Digital To Analog Converters Feature Summary

• Low-power operation with 140µA supply current
• Buffered voltage output with fixed gain of 2
• Guaranteed monotonic performance over temperature
• Serial data output for daisy-chaining applications

Digital To Analog Converters Applications

• Battery-powered test instruments
• Digital offset and gain adjustment circuits
• Battery-operated or remote industrial controls
• Machine and motion control devices
• Cellular telephones

Digital To Analog Converters Procurement Notes

Verify the specific suffix 'CSA' corresponds to the commercial temperature range (0°C to +70°C) and SOIC-8 package as defined in the official ordering information. Confirm RoHS compliance status through the manufacturer's current documentation, as legacy Maxim Integrated products may have varying environmental declarations. Ensure the source document explicitly lists the part number to avoid confusion with the similar MAX504 or other temperature variants like MAX515ESA.

Digital To Analog Converters Selection Notes

Select the MAX515CSA+T when a single +5V supply is available and a fixed gain of 2 is acceptable for the application. This component is suitable for designs requiring low power consumption and guaranteed monotonicity without external trimming. Consider the MAX504 if internal reference generation or configurable gain (1 or 2) is required, or if bipolar output ranges are necessary using dual supplies.

Digital To Analog Converters Part Context

The MAX515 is part of the MAX504/MAX515 family of 5V, low-power, voltage-output, serial 10-bit DACs manufactured by Analog Devices / Maxim Integrated. While the MAX504 offers an internal reference and configurable gain, the MAX515 provides a simplified solution with a fixed gain of 2 and no internal reference, optimizing for lower power and simpler circuit design in single-supply applications.

Digital To Analog Converters Replacement Considerations

Public confirmed substitutes include the MAX531, MAX538, and MAX539, which offer hardware and software compatibility as 12-bit upgrades. For direct pin-compatible replacements within the same family, consider the MAX515EPA or MAX515ESA for extended temperature ranges, though these differ in thermal specifications rather than function.

Digital To Analog Converters FAQ

How does the MAX515 handle digital feedthrough?

High-speed serial data at digital input/output pins may couple through the package due to internal stray capacitance, appearing as noise at the output even when CS is high. This effect is tested by holding CS high and transmitting alternating bits from DIN to DOUT.

What is the recommended grounding strategy for the MAX515?

Best performance is achieved using separate analog and digital ground planes connected together at the low-impedance power-supply source. DGND and AGND should be connected together at the chip, preferably via a short connection to the system analog ground plane to minimize digital noise coupling.

Can the MAX515 be used in bipolar configurations?

No, the MAX515 is internally configured for unipolar gain of 2 operation and is specified for single +5V supply use. Bipolar configurations require the MAX504, which supports dual supplies and external resistor connections for bipolar offset and gain adjustment.