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AD5066BRUZ-1 Datasheet(PDF) 1 Page - Analog Devices |
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AD5066BRUZ-1 Datasheet(HTML) 1 Page - Analog Devices |
1 / 20 page Fully Accurate 16-Bit UnBuffered VOUT DAC SPI Interface 2.7 V to 5.5 V in a TSSOP Preliminary Technical Data AD5066 Rev. PrB Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityis assumedbyAnalogDevicesforitsuse,norforanyinfringements of patents or other 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 © 2007 Analog Devices, Inc. All rights reserved. FEATURES Low power Quad 16 bit DAC, ± 1LSB INL Individual reference pins 2.7 V to 5.5 V power supply Unbuffered voltage output capable of driving 60KΩ Fast Settling time of 4 us typically Power-on reset to zero scale or mid-scale Per channel power-down 3 power-down functions Low glitch on power up Hardware LDAC with LDAC override function CLR Function to programmable code Small 16 lead TSSOP APPLICATIONS Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators FUNCTIONAL BLOCK DIAGRAMS Figure 1.AD5066 Table 1. Related Devices Part No. Description AD5666 Quad,16-bit buffered D/A,16 LSB INL, TSSOP AD5065/45/25 Quad,16-bit buffered D/A,1 LSB INL, TSSOP AD5064/44/24 Quad 16-bit nanoDAC, 1 LSB INL, TSSOP AD5063/62 16-bit nanoDAC, 1 LSB INL, MSOP AD5061 16-/14bit nanoDAC, 4 LSB INL, SOT-23 AD5060/40 16-/14bit nanoDAC, 1 LSB INL, SOT-23 GENERAL DESCRIPTION The AD5066 is a low power, 16-bit quad-channel, unbuffered voltage-out DAC offering relative accuracy specs of 1LSB INL with individual reference pin and can operate from a single 2.7V to 5.5V. The AD5066 parts also offer a differential accuracy specification of ±1 LSB. Reference buffers are also provided on-chip. The parts use a versatile 3-wire, low power Schmitt trigger serial interface that operates at clock rates up to 50 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The AD5066 incorporates a power-on reset circuit that ensures the DAC output powers up zero scale or midscale and remains there until a valid write takes place to the device. The AD5066 contain a power-down feature that reduces the current consumption of the device to typically 330 nA at 5 V and provides software selectable output loads while in power-down mode. The part can be placed into power-down mode over the serial interface. Total unadjusted error for the part is <0.8 mV. Both parts exhibit very low glitch on power-up. The outputs of all DACs can be updated simultaneously using the LDAC function, with the added functionality of user-select- able DAC channels to simultaneously update. There is also an asynchronous CLR that clears all DACs to a software-selectable code - 0 V, midscale, or full scale. PRODUCT HIGHLIGHTS 1. Quad channel available in 16-lead TSSOP package. 2. Individual voltage reference pins 3. 16 bit accurate, 1 LSB INL. 4. Low glitch on power-up. 5. High speed serial interface with clock speeds up to 50 MHz. 6. Three power-down modes available to the user. 7. Reset to known output voltage (zero scale). |
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