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AD5063BRMZ1 Fiches technique(PDF) 1 Page - Analog Devices |
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AD5063BRMZ1 Fiches technique(HTML) 1 Page - Analog Devices |
1 / 20 page Fully Accurate 16-Bit VOUT nanoDAC SPI Interface 2.7 V to 5.5 V in an MSOP AD5063 Rev. C Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringementsof patentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 www.analog.com Fax: 781.461.3113 ©2005–2009 Analog Devices, Inc. All rights reserved. FEATURES Single 16-bit DAC, 1 LSB INL Power-on reset to midscale Guaranteed monotonic by design 3 power-down functions Low power serial interface with Schmitt-triggered inputs 10-lead MSOP, low power Fast settling time of 1 μs maximum (AD5063-1 model) 2.7 V to 5.5 V power supply Low glitch on power-up Unbuffered voltage capable of driving 60 kΩ load SYNC interrupt facility APPLICATIONS Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators FUNCTIONAL BLOCK DIAGRAM AD5063 VDD VOUT VREF POWER-ON RESET DAC REGISTER DAC INPUT CONTROL LOGIC POWER-DOWN CONTROL LOGIC RESISTOR NETWORK REF(+) SCLK DIN SYNC DACGND BUF AGND RFB INV Figure 1. Table 1. Related Devices Part No. Description AD5061 2.7 V to 5.5 V, 16-bit nanoDAC D/A, 4 LSBs INL, SOT-23. AD5062 2.7 V to 5.5 V, 16-bit nanoDAC D/A, 1 LSB INL, SOT-23. AD5040/AD5060 2.7 V to 5.5 V, 14-/16-bit nanoDAC D/A, 1 LSB INL, SOT-23. GENERAL DESCRIPTION The AD5063, a member of ADI’s nanoDAC™ family, is a low power, single 16-bit, unbuffered voltage-output DAC that operates from a single 2.7 V to 5 V supply. The part offers a relative accuracy specification of ±1 LSB, and operation is guaranteed monotonic with a ±1 LSB DNL specification. The AD5063 comes with on-board resistors in a 10-lead MSOP, allowing bipolar signals to be generated with an output amplifier. The part uses a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and that is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The reference for the AD5063 is supplied from an external VREF pin. A reference buffer is also provided on-chip. The part incor- porates a power-on reset circuit that ensures the DAC output powers up to midscale and remains there until a valid write to the device takes place. The part contains a power-down feature that reduces the current consumption of the device to typically 300 nA at 5 V and provides software-selectable output loads while in power-down mode. The part is put into power-down mode via the serial interface. Total unadjusted error for the part is <1 mV. This part exhibits very low glitch on power-up. PRODUCT HIGHLIGHTS Available in 10-lead MSOP. 16-bit accurate, 1 LSB INL. Low glitch on power-up. High speed serial interface with clock speeds up to 30 MHz. Three power-down modes available to the user. |
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