전자부품 데이터시트 검색엔진 |
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AD5426 데이터시트(PDF) 1 Page - Analog Devices |
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AD5426 데이터시트(HTML) 1 Page - Analog Devices |
1 / 25 page 8-/10-/12-Bit High Bandwidth Multiplying DACs with Serial Interface Data Sheet AD5426/AD5432/AD5443 Rev. G Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother 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 ©2004–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES 2.5 V to 5.5 V supply operation 50 MHz serial interface 10 MHz multiplying bandwidth 2.5 MSPS update rate INL of ±1 LSB for 12-bit DAC ±10 V reference input Low glitch energy < 2 nV-s Extended temperature range −40°C to +125°C 10-lead MSOP package Pin-compatible 8-, 10-, and 12-bit current output DACs Guaranteed monotonic 4-quadrant multiplication Power-on reset with brownout detection Daisy-chain mode Readback function 0.4 µA typical power consumption APPLICATIONS Portable battery-powered applications Waveform generators Analog processing Instrumentation Programmable amplifiers and attenuators Digitally controlled calibration Programmable filters and oscillators Composite video Ultrasound Gain, offset, and voltage trimming GENERAL DESCRIPTION The AD5426/AD5432/AD54431 are CMOS 8-, 10-, and 12-bit current output digital-to-analog converters (DACs), respectively. These devices operate from a 2.5 V to 5.5 V power supply, making them suitable for battery-powered applications and many other applications. These DACs use a double buffered, 3-wire serial interface that is compatible with SPI, QSPI™, MICROWIRE™, and most DSP interface standards. In addition, a serial data out pin (SDO) allows for daisy-chaining when multiple packages are used. Data readback allows the user to read the contents of the DAC register via the SDO pin. On power-up, the internal shift register and latches are filled with 0s and the DAC outputs are at zero scale. As a result of manufacturing on a CMOS submicron process, the parts offer excellent 4-quadrant multiplication characteristics with large signal multiplying bandwidths of 10 MHz. The applied external reference input voltage, VREF, determines the full-scale output current. An integrated feedback resistor, RFB, provides temperature tracking and full-scale voltage output when combined with an external current to voltage precision amplifier. The AD5426/AD5432/AD5443 DACs are available in small, 10-lead MSOP packages. The EV-AD5443/46/53SDZ evaluation board is available for evaluating DAC performance. For more information, see the UG-327 evaluation board user guide. FUNCTIONAL BLOCK DIAGRAM SCLK SYNC AD5426/ AD5432/ AD5443 VREF IOUT2 IOUT1 RFB R 8-/10-/12-BIT R-2R DAC DAC REGISTER SDIN VDD GND POWER-ON RESET CONTROL LOGIC AND INPUT SHIFT REGISTER INPUT LATCH SDO Figure 1. 1 U.S. Patent No. 5,689,257. |
유사한 부품 번호 - AD5426_15 |
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유사한 설명 - AD5426_15 |
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