MAX549A (2)

The MAX549A is available from Analog Devices at Xecor. Designed for low-power, precision digital-to-analog conversion, the MAX549A offers ±1LSB total unadjusted error (TUE), low operating current of 75µA, and a shutdown mode reducing current to 1µA. Available in the compact UMAX-8 package, it is ideal for battery-powered applications, digital gain and offset control, and general-purpose voltage output needs. Whether used in comparator-level settings, GaAs amp bias control, or VCXO control, this series ensures high performance, energy efficiency, and flexibility for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the MAX549A series below.

Part Number Description Package Inventory Add To Bom
MAX549AEPA+ Digital to Analog Converters - DAC +2.5V to +5.5V, Low-Power, Single/Dual, 8-Bit Voltage-Output DACs in uMAX Package PDIP-8 6,063
MAX549ACPA+ Accurate bit analog output for various industrial application PDIP-8 3,350

Key Featrues

Single-Supply Operation (+2.5V to +5.5V): This feature allows the DAC to operate efficiently from a single low-voltage supply, making it ideal for battery-powered and portable applications. It enhances energy efficiency and simplifies power management in compact designs.
Low Operating Current (75µA typical): The DAC consumes minimal current during operation, significantly reducing power consumption. This is particularly beneficial for energy-sensitive applications like IoT devices or battery-operated systems, extending battery life.
1µA Shutdown Mode: In shutdown mode, the DAC reduces current drain to less than 1µA, further optimizing power efficiency. This feature is critical for applications requiring long standby periods or low-power operation.
±1LSB (max) Total Unadjusted Error (TUE): This high level of accuracy ensures reliable and precise voltage output, improving the overall performance of systems that require consistent and accurate analog signals, such as industrial controls or instrumentation.
3-Wire Serial Interface (SPI/QSPI/Microwire Compatible): The DAC supports a versatile and widely-used serial interface, enabling easy integration with microcontrollers and digital systems. This simplifies design and reduces development time for applications requiring digital-to-analog conversion.

Applications

Battery-Powered Sensor Interface: The MAX548A/MAX549A/MAX550A DACs are ideal for interfacing with sensors in battery-powered applications, such as portable medical devices or IoT sensors. Their low operating current (75µA at 2.5V) and shutdown mode (1µA) ensure extended battery life, while the 8-bit resolution provides precise control for sensor calibration and signal conditioning.
Digital Gain and Offset Control for Signal Conditioning: These DACs are well-suited for digital gain and offset control in signal conditioning circuits. Their voltage-output capability and low-power operation make them ideal for adjusting amplifier gains or setting comparator thresholds in industrial automation and audio processing systems.
GaAs Amplifier Bias Control: The MAX548A/MAX549A/MAX550A DACs are perfect for controlling bias voltages in GaAs amplifiers used in RF and microwave applications. Their ±1LSB TUE specification ensures accurate and stable bias settings, while the small µMAX package saves space in compact RF designs.
VCXO Frequency Tuning: These DACs are excellent for voltage-controlled crystal oscillator (VCXO) tuning in communication systems. Their precise voltage output and low-power operation enable fine-tuning of oscillator frequencies, ensuring stable and accurate clock generation in wireless and networking equipment.

Popular MAX549A Products comparison

MAX549ACPA+ vs MAX549AEPA+