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AD5623RBCPZ-5REEL7 数据表(PDF) 1 Page - Analog Devices |
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AD5623RBCPZ-5REEL7 数据表(HTML) 1 Page - Analog Devices |
1 / 32 page Dual 12-/14-/16-Bit nanoDAC® with 5 ppm/°C On-Chip Reference Data Sheet AD5623R/AD5643R/AD5663R Rev. F Document Feedback 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 ©2006–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Low power, smallest pin-compatible, dual nanoDAC AD5663R: 16 bits AD5643R: 14 bits AD5623R: 12 bits User-selectable external or internal reference External reference default On-chip 1.25 V/2.5 V, 5 ppm/°C reference 10-lead MSOP and 3 mm × 3 mm LFCSP 2.7 V to 5.5 V power supply Guaranteed monotonic by design Power-on reset to zero scale Per channel power-down Serial interface up to 50 MHz Hardware LDAC and CLR functions 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 INTERFACE LOGIC SCLK SYNC DIN CLR INPUT REGISTER INPUT REGISTER DAC REGISTER DAC REGISTER VDD GND POWER-ON RESET STRING DAC A STRING DAC B BUFFER BUFFER VREFIN/VREFOUT POWER-DOWN LOGIC VOUTA VOUTB AD5623R/AD5643R/AD5663R LDAC LDAC 1.25V/2.5V REFERENCE Figure 1. Table 1. Related Devices Part No. Description AD5663 2.7 V to 5.5 V, dual 16-bit nanoDAC, with external reference GENERAL DESCRIPTION The AD5623R/AD5643R/AD5663R, members of the nanoDAC family, are low power, dual 12-, 14-, and 16-bit buffered voltage- out digital-to-analog converters (DAC) that operate from a single 2.7 V to 5.5 V supply and are guaranteed monotonic by design. The AD5623R/AD5643R/AD5663R have an on-chip reference. The AD5623R-3/AD5643R-3/AD5663R-3 have a 1.25 V, 5 ppm/°C reference, giving a full-scale output of 2.5 V; and the AD5623R-5/ AD5643R-5/AD5663R-5 have a 2.5 V, 5 ppm/°C reference, giving a full-scale output of 5 V. The on-chip reference is off at power-up, allowing the use of an external reference; and all devices can be operated from a single 2.7 V to 5.5 V supply. The internal reference is turned on by writing to the DAC. The parts incorporate a power-on reset circuit that ensures the DAC output powers up to 0 V and remains there until a valid write takes place. The part contains a power-down feature that reduces the current consumption of the device to 480 nA at 5 V and provides software-selectable output loads while in power- down mode. The low power consumption of this part in normal operation makes it ideally suited to portable, battery-operated equipment. The AD5623R/AD5643R/AD5663R use a versatile, 3-wire serial interface that operates at clock rates up to 50 MHz, and they are compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. The on-chip precision output amplifier enables rail-to-rail output swing to be achieved. PRODUCT HIGHLIGHTS 1. Dual 12-, 14-, and 16-bit DAC. 2. On-chip 1.25 V/2.5 V, 5 ppm/°C reference. 3. Available in 10-lead MSOP and 10-lead, 3 mm × 3 mm LFCSP. 4. Low power; typically consumes 0.6 mW at 3 V and 1.25 mW at 5 V. 5. 4.5 μs maximum settling time for the AD5623R. |
类似零件编号 - AD5623RBCPZ-5REEL7 |
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类似说明 - AD5623RBCPZ-5REEL7 |
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