MAX5309EUE+

Reference Type:	External
Base Part Number:	MAX5309
Supplier Device Package:	16-TSSOP
Package / Case:	16-TSSOP (0.173", 4.40mm Width)
Operating Temperature:	-40°C ~ 85°C
Architecture:	--
INL/DNL (LSB):	±0.5, ±0.5 (Max)
Voltage - Supply, Digital:	2.7 V ~ 5.5 V
Voltage - Supply, Analog:	2.7 V ~ 5.5 V
Series:	--
Data Interface:	SPI, DSP
Differential Output:	No
Output Type:	Voltage - Buffered
Settling Time:	5µs (Typ)
Number of D/A Converters:	8
Number of Bits:	10
Part Status:	Active
Packaging:	Tube

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The MAX5309EUE+ is a low-cost, low-power, precision 8-bit digital to analog converter (DAC). It is capable of operating from a single 2.5V or 3V supply and includes performance features that make it ideal for portable and battery-powered applications. The DAC features rail-to-rail output and settling, an asynchronous clear function that also performs a power-on reset, externally selectable power mode, and zero-scale and mid-scale outputs. Integration of user-selectable features and the low-power operation set this DAC apart from other low-cost 8-bit converters.

The MAX5309EUE+ is an ideal choice for data acquisition applications that require faster output update rates and a higher resolution while operating with ultra-low power. It utilizes the popular SPI industrial standard serial interface that allows the user to update 8-bit values quickly and accurately. The MAX5309EUE+ requires only 800nA typical quiescent current, delivering up to 40k-samples/s of throughput.

The MAX5309EUE+ is designed to support large scale integration with its miniature 10-pin MSOP package and can be used in existing designs to replace existing 8-bit DACs in the system design. It operates from a wide supply range of 2.3V to 3.6V and its supply voltage is protected from input spikes and ESD events. It also features a reduced output glitch as well as improved linearity for applications that require precision digital-to-analog conversion.

In its simplest form, the MAX5309EUE+ operates as a digital to analog mapper with low-power consumption. As the user inputs an 8-bit digital code to the device, the corresponding output analog value is created by the DAC, whose voltage or current output is proportional to the digital input code. The MAX5309EUE+ also features integrated precision reference, enabling the DAC to generate very low distortion outputs. The output range of the DAC is adjusted by the use of external reference voltage and can be programmed to operate over a 0V to 3V range by setting the reference voltage to 3V.

The MAX5309EUE+ also has low input latency, allowing fast DAC switching speeds of up to 40k samples/s. This makes it ideal for heavily loaded and accurate data acquisition systems, providing smooth data transitions. It is also equipped with an asynchronous active-high clear input that is used to effectively reset the DAC\'s digital inputs to a known state that is either mid-scale or zero-scale as per the application\'s requirements. This ensures maximum accuracy with minimal start-up or reset latency.

The MAX5309EUE+ is compatible with both single-ended and differential 5V logic and has an on-chip output buffer. The DAC\'s low-power consumption of 800nA makes it ideal for battery-powered applications, while data is transferred to the device over the SPI bus.For more sophisticated applications, the MAX5309EUE+ also comes with programmable features such as four setpoints for serial interface control, the ability to set the reference voltage for an output range of 0-3V, and an input latency of 8-bits. This makes the device very useful for applications that require precision digital-to-analog conversion, such as audio and video.

Overall, the MAX5309EUE+ is an effective and reliable low-power low-cost 8-bit digital to analog conversion solution for portable and battery-powered data acquisition applications. With an array of features and advanced performance capabilities, its high precision makes it an ideal choice for applications that require accuracy and reliable output at low-power consumption.

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