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AD5680BRJZ-1REEL7 bảng dữ liệu(PDF) 1 Page - Analog Devices |
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1 / 20 page 5 V 18-Bit nanoDACTM in a SOT-23 AD5680 Rev. 0 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 ©2006 Analog Devices, Inc. All rights reserved. FEATURES Single 18-bit nanoDAC 18-bit monotonic 12-bit accuracy guaranteed Tiny 8-lead SOT-23 package Power-on reset to zero scale/midscale 4.5 V to 5.5 V power supply Serial interface Rail-to-rail operation SYNC interrupt facility Temperature range −40°C to +105°C APPLICATIONS Closed-loop process control Low bandwidth data acquisition systems Portable battery-powered instruments Gain and offset adjustment Precision setpoint control FUNCTIONAL BLOCK DIAGRAM VOUT VFB VDD GND VREF AD5680 18-BIT DAC REF(+) POWER-ON RESET DAC REGISTER INPUT CONTROL LOGIC DIN SCLK SYNC OUTPUT BUFFER Figure 1. GENERAL DESCRIPTION The AD5680, a member of the nanoDAC family, is a single, 18-bit buffered voltage-out DAC that operates from a single 4.5 V to 5.5 V supply and is 18-bit monotonic. The AD5680 requires an external reference voltage to set the output range of the DAC. The part incorporates a power-on reset circuit that ensures the DAC output powers up to 0 V (AD5680-1) or to midscale (AD5680-2) and remains there until a valid write takes place. The low power consumption of this part in normal operation makes it ideally suited to portable battery-operated equipment. The power consumption is 1.6 mW at 5 V. The AD5680 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 AD5680 uses 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. PRODUCT HIGHLIGHTS 1. 18 bits of resolution. 2. 12-bit accuracy guaranteed for 18-bit DAC. 3. Available in an 8-lead SOT-23. 4. Low power. Typically consumes 1.6 mW at 5 V. 5. Power-on reset to zero scale or to midscale. RELATED DEVICES AD5662 16-bit DAC in SOT-23. |
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Mô tả tương tự - AD5680BRJZ-1REEL7 |
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