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MAX5441BCUA Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX5441BCUA Datasheet(HTML) 1 Page - Maxim Integrated Products |
1 / 12 page General Description The MAX5441–MAX5444 are serial-input, voltage-out- put, 16-bit digital-to-analog converters (DACs) in tiny µMAX® packages, 50% smaller than comparable DACs in 8-pin SOs. They operate from low +3V (MAX5443/ MAX5444) or +5V (MAX5441/MAX5442) single sup- plies. They provide 16-bit performance (±2LSB INL and ±1LSB DNL) over temperature without any adjustments. Unbuffered DAC outputs result in a low supply current of 120µA and a low offset error of 2LSB. The DAC output ranges from 0 to VREF. For bipolar operation, matched scaling resistors are provided in the MAX5442/MAX5444 for use with an external preci- sion op amp (such as the MAX400), generating a ±VREF output swing. A 16-bit serial word is used to load data into the DAC latch. The 25MHz, 3-wire serial interface is compatible with SPI™/QSPI™/MICROWIRE™, and can interface directly with optocouplers for applications requiring isola- tion. A power-on reset circuit clears the DAC output to code 0 (MAX5441/MAX5443) or code 32768 (MAX5442 /MAX5444) when power is initially applied. A logic low on CLR asynchronously clears the DAC out- put to code 0 (MAX5441/MAX5443) or code 32768 (MAX5442/MAX5444) independent of the serial interface. The MAX5441/MAX5443 are available in 8-pin µMAX packages. The MAX5442/MAX5444 are available in 10- pin µMAX packages. Applications High-Resolution Offset and Gain Adjustment Industrial Process Control Automated Test Equipment Data-Acquisition Systems Features ♦ Ultra-Small 3mm x 5mm 8-Pin µMAX Package ♦ Low 120µA Supply Current ♦ Fast 1µs Settling Time ♦ 25MHz SPI/QSPI/MICROWIRE-Compatible Serial Interface ♦ VREF Range Extends to VDD ♦ +5V (MAX5441/MAX5442) or +3V (MAX5443/MAX5444) Single-Supply Operation ♦ Full 16-Bit Performance Without Adjustments ♦ Unbuffered Voltage Output Directly Drives 60kΩ Loads ♦ Power-On Reset Circuit Clears DAC Output to Code 0 (MAX5441/MAX5443) or Code 32768 (MAX5442/MAX5444) ♦ Schmitt-Trigger Inputs for Direct Optocoupler Interface ♦ Asynchronous CLR +3V/+5V, Serial-Input, Voltage-Output, 16-Bit DACs ________________________________________________________________ Maxim Integrated Products 1 10 9 8 7 6 1 2 3 4 5 GND VDD RFB INV DIN SCLK CS REF TOP VIEW MAX5442 MAX5444 OUT CLR µMAX-8 OUT SCLK CS 1 2 8 7 VDD DIN REF MAX5441 MAX5443 3 4 6 5 µMAX-10 GND CLR Pin Configurations 19-1846; Rev 2; 10/07 Ordering Information µMAX is a registered trademark of Maxim Integrated Products, Inc. SPI and QSPI are trademarks of Motorola, Inc. MICROWIRE is a trademark of National Semiconductor Corp. PART TEMP RANGE PIN-PACKAGE INL (LSB) SUPPLY (V) MAX5441ACUA 0 °C to +70°C 8 µMAX ±2 5 MAX5441AEUA -40 °C to +85°C 8 µMAX ±25 MAX5441BCUA 0 °C to +70°C 8 µMAX ±45 MAX5441BEUA -40 °C to +85°C 8 µMAX ±4 5 MAX5442ACUB 0 °C to +70°C 10 µMAX ±25 MAX5442AEUB -40 °C to +85°C 10 µMAX ±2 5 MAX5442BCUB 0 °C to +70°C 10 µMAX ±45 MAX5442BEUB -40 °C to +85°C 10 µMAX ±4 5 Functional Diagrams appear at end of data sheet. Ordering Information continued at end of data sheet. For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. |
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