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AD5064BRUZ 데이터시트(PDF) 1 Page - Analog Devices |
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AD5064BRUZ 데이터시트(HTML) 1 Page - Analog Devices |
1 / 28 page Fully Accurate, 12-/14-/16-Bit VOUT nanoDAC, Quad, SPI Interface, 4.5 V to 5.5 V in TSSOP AD5024/AD5044/AD5064 Rev. 0 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 ©2008 Analog Devices, Inc. All rights reserved. FEATURES Low power quad 12-/14-/16-bit DAC, ±1 LSB INL Individual and common voltage reference pin options Rail-to-rail operation 4.5 V to 5.5 V power supply Power-on reset to zero-scale or midscale 3 power-down functions Per-channel power-down Low glitch on power-up Hardware LDAC with LDAC override function CLR function to programmable code 16-lead TSSOP Internal reference buffer and internal output amplifier APPLICATIONS Process control Data acquisition systems Portable battery-powered instruments Digital gain and offset adjustment Programmable voltage and current sources Programmable attenuators Table 1. Related Devices Part No. Description AD5666 GENERAL DESCRIPTION The AD5024/AD5044/AD5064 are low power, quad 12-/14-/ 16-bit buffered voltage output nanoDAC® DACs that offer relative accuracy specifications of 1 LSB INL with individual reference pins and can operate from a single 4.5 V to 5.5 V supply. The AD5024/AD5044/AD5064 parts also offer a differential accuracy specification of ±1 LSB. 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. A reference buffer is also provided on-chip. The AD5024/AD5044/AD5064 incor- porate a power-on reset circuit that ensures the DAC output powers up to zero scale or midscale and remains there until a valid write takes place to the device. The AD5024/AD5044/ AD5064 contain a power-down feature that reduces the current consumption of the device to typically 400 nA at 5 V and provides software selectable output loads while in power-down mode. Total unadjusted error for the parts is <2 mV. PRODUCT HIGHLIGHTS 1. Quad channel available in 16-lead TSSOP package. 2. 16-bit accurate, 1 LSB INL. 3. Low glitch on power-up. 4. High speed serial interface with clock speeds up to 50 MHz. Quad,16-bit buffered DAC,16 LSB INL, TSSOP AD5063/AD5062 5. Reset to known output voltage (zero scale or midscale). 16-bit nanoDAC, 1 LSB INL AD5061 16-/14-bit nanoDAC, 4 LSB INL, SOT-23 AD5060/AD5040 16-/14-bit nanoDAC, 1 LSB INL, SOT-23 FUNCTIONAL BLOCK DIAGRAM INTERFACE LOGIC INPUT REGISTER DIN LDAC GND VDD LDAC VREFA SYNC SCLK AD5024/ AD5044/ AD5064 CLR VOUTA VOUTB VOUTC VOUTD DAC REGISTER DAC A BUFFER INPUT REGISTER DAC REGISTER DAC B BUFFER INPUT REGISTER DAC REGISTER DAC C BUFFER INPUT REGISTER DAC REGISTER DAC D BUFFER VREFB VREFC VREFD POR POWER-DOWN LOGIC POWER-ON RESET Figure 1. |
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