MAX1257BETM+

The MAX1257BETM+ is a 12bit, multichannel ADCs/DACs with FIFO, temperature sensing and GPIO ports in 48 pin TQFN package. The highly integrated system monitoring and control solution which includes a 16-channel 12bit ADC, a 8-channel 12bit DAC, an internal reference, an internal temp sensor, a 12bit GPIO port and a 25MHz SPI/QSPI/MICROWIRE compatible serial interface. The octal DAC outputs settle within 2.0μs and ADC has a 225Ksps conversion rate. It includes an internal reference 2.5V providing a well-regulated, low-noise reference for both ADC and DAC. Programmable reference modes for the ADC and DAC allow use of an internal reference, an external reference or a combination of both. It features internal ±1°C accurate temperature sensor, FIFO, scan modes, programmable internal or external clock modes, data averaging and AutoShutdown. The low glitch energy and low digital feed through of integrated DACs make this device ideal for digital control of fast response closed-loop systems.

• Supply voltage range is 2.7V to 3.6V
• Operating temperature range from -40°C to 85°C
• Controls 8 output voltage level with octal 12bit DAC with ultra low glitch energy of 4nVs
• Lower processor requirements and minimize power consumption and heat dissipation
• Low power ADC of 2.5mA at 225Ksps, 22μA at 1Ksps and 0.2μA at shutdown
• Low power DAC of 1.5mA
• Excellent accuracy of ±0.5 LSB INL, ±0.5 LSB DNL

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