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AD5620CRMZ-3REEL7 数据表(PDF) 1 Page - Analog Devices |
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AD5620CRMZ-3REEL7 数据表(HTML) 1 Page - Analog Devices |
1 / 28 page Single, 12-/14-/16-Bit nanoDAC with 5 ppm/°C On-Chip Reference in SOT-23 AD5620/AD5640/AD5660 Rev. F 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 ©2005–2010 Analog Devices, Inc. All rights reserved. FEATURES Low power, single nanoDACs AD5660: 16 bits AD5640: 14 bits AD5620: 12 bits 12-bit accuracy guaranteed On-chip, 1.25 V/2.5 V, 5 ppm/°C reference Tiny 8-lead SOT-23/MSOP packages Power-down to 480 nA @ 5 V, 200 nA @ 3 V 3 V/5 V single power supply Guaranteed 16-bit monotonic by design Power-on reset to zero/midscale 3 power-down functions Serial interface with Schmitt-triggered inputs Rail-to-rail operation 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 PRODUCT HIGHLIGHTS 1. 12-/14-/16-bit nanoDAC—12-bit accuracy guaranteed. 2. On-chip, 1.25 V/2.5 V, 5 ppm/°C reference. 3. Available in 8-lead SOT-23 and 8-lead MSOP packages. 4. Power-on reset to 0 V or midscale. 5. 10 μs settling time. Table 1. Related Device Part No. Description AD5662 2.7 V to 5.5 V, 16-bit DAC in SOT-23, external reference FUNCTIONAL BLOCK DIAGRAM AD5620/AD5640/AD5660 VREFOUT GND REF(+) VDD RESISTOR NETWORK POWER-DOWN CONTROL LOGIC DAC REGISTER POWER-ON RESET 1.25/2.5V REF OUTPUT BUFFER 16-BIT DAC INPUT CONTROL LOGIC VOUT VFB SYNC SCLK DIN Figure 1. GENERAL DESCRIPTION The AD5620/AD5640/AD5660, members of the nanoDAC™ family of devices, are low power, single, 12-/14-/16-bit, buffered voltage-out DACs and are guaranteed monotonic by design. The AD5620/AD5640/AD5660-1 parts include an internal, 1.25 V, 5 ppm/°C reference, giving a full-scale output voltage range of 2.5 V. The AD5620/AD5640/AD5660-2-3 parts include an internal, 2.5 V, 5 ppm/°C reference, giving a full-scale output voltage range of 5 V. The reference associated with each part is available at the VREFOUT pin. The parts incorporate a power-on reset circuit to ensure that the DAC output powers up to 0 V (AD5620/AD5640/AD5660-1-2) or midscale (AD5620-3 and AD5660-3) and remains there until a valid write takes place. The parts contain 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 power consumption is 2.5 mW at 5 V, reducing to 1 μW in power-down mode. The AD5620/AD5640/AD5660 on-chip precision output amplifier allows rail-to-rail output swing to be achieved. For remote sensing applications, the output amplifier’s inverting input is available to the user. The AD5620/AD5640/AD5660 use a versatile 3-wire serial interface that operates at clock rates up to 30 MHz and is compatible with standard SPI®, QSPI™, MICROWIRE™, and DSP interface standards. |
类似零件编号 - AD5620CRMZ-3REEL7 |
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类似说明 - AD5620CRMZ-3REEL7 |
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