MAX5719AGSD+

MAX5719AGSD+ is a serial-input, unbuffered 20bit voltage-output unipolar digital-to-analogue converter (DAC) with integrated feedback resistors that allow bipolar operation when used with an external operational amplifier. This DAC provides low glitch energy, low noise, tight bipolar resistor matching, and high accuracy. Integrated precision setting resistors make the DAs easy to use. The MAX5719 feature a 50MHz, 3-wire SPI™, QSPI™, MICROWIRE™, and DSP-compatible serial interface. On power-up, the output resets to zero-scale, providing additional safety for applications which drive valves or other transducers that need to be off on power-up. Applications include test and measurement equipment, automatic test equipment, gain and offset adjustment, data-acquisition systems, process control and servo loops, portable instrumentation, programmable voltage and current sources, automatic tuning and communication systems.

• Integrated ±0.025% (max) bipolar setting resistors
• 4.5V to 5.5V supply range
• 4.0V to VDD reference input range
• Safe power-up reset-to-zero-scale DAC output (unipolar)
• 50MHz 3-wire SPI interface, 1MHz reference -3dB bandwidth
• Operating temperature rang from -40°C to +105°C, SO-14 package
• ±1LSB (20-bit) typ integral nonlinearity (measured by line passing through DIN = 0 and (220 - 1))
• ±1LSB (20-bit) typical differential nonlinearity, +0.003 % maximum gain error
• ±2LSB typical zero-code offset error
• 0.75µs typical settling time

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