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AD7980ARMZ датащи(PDF) 1 Page - Analog Devices |
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AD7980ARMZ датащи(HTML) 1 Page - Analog Devices |
1 / 28 page 16-Bit, 1 MSPS PulSAR ADC in MSOP/QFN Data Sheet AD7980 Rev. C 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 ©2007–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES 16-bit resolution with no missing codes Throughput: 1 MSPS Low power dissipation 4 mW at 1 MSPS (VDD only) 7 mW at 1 MSPS (total) 70 µW at 10 kSPS INL: ±0.6 LSB typical, ±1.25 LSB maximum SINAD: 91.25 dB at 10 kHz THD: −110 dB at 10 kHz Pseudo differential analog input range 0 V to VREF with VREF between 2.5 V to 5.5 V Any input range and easy to drive with the ADA4841 No pipeline delay Single-supply 2.5 V operation with 1.8 V/2.5 V/3 V/5 V logic interface Serial interface SPI-/QSPI™-/MICROWIRE™-/DSP-compatible Daisy-chain multiple ADCs and busy indicator 10-lead MSOP and 10-lead, 3 mm × 3 mm, QFN (LFCSP), same space as SOT-23 Wide operating temperature range: −40°C to +125°C APPLICATIONS Battery-powered equipment Communications ATE Data acquisitions Medical instruments APPLICATION DIAGRAM EXAMPLE AD7980 REF GND VDD IN+ IN– VIO SDI SCK SDO CNV 1.8V TO 5V 3- OR 4-WIRE INTERFACE (SPI, DAISY CHAIN, CS) 2.5V TO 5V 2.5V 0 TO VREF Figure 1. GENERAL DESCRIPTION The AD7980 is a 16-bit, successive approximation, analog-to- digital converter (ADC) that operates from a single power supply, VDD. It contains a low power, high speed, 16-bit sampling ADC and a versatile serial interface port. On the CNV rising edge, it samples an analog input IN+ between 0 V to REF with respect to a ground sense IN−. The reference voltage, REF, is applied externally and can be set independent of the supply voltage, VDD. Its power scales linearly with throughput. The SPI-compatible serial interface also features the ability, using the SDI input, to daisy-chain several ADCs on a single, 3-wire bus and provides an optional busy indicator. It is compatible with 1.8 V, 2.5 V, 3 V, or 5 V logic, using the separate supply VIO. The AD7980 is housed in a 10-lead MSOP or a 10-lead QFN (LFCSP) with operation specified from −40°C to +125°C. Table 1. MSOP, QFN (LFCSP) 14-/16-/18-Bit PulSAR® ADC Type 100 kSPS 250 kSPS 400 kSPS to 500 kSPS 1000 kSPS ADC Driver 18-Bit AD76911 AD76901 AD79821 ADA4941 ADA4841 16-Bit AD7680 AD76851 AD76861 AD79801 ADA4941 AD7683 AD76871 AD76881 ADA4841 AD7684 AD7694 AD76931 14-Bit AD7940 AD79421 AD79461 1 Pin-for-pin compatible. |
Аналогичный номер детали - AD7980ARMZ |
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Аналогичное описание - AD7980ARMZ |
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