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AD7298-1 Datenblatt(PDF) 1 Page - Analog Devices |
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AD7298-1 Datenblatt(HTML) 1 Page - Analog Devices |
1 / 24 page 8-Channel, 1 MSPS, 10-Bit SAR ADC AD7298-1 Rev. A 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 www.analog.com Fax: 781.461.3113 ©2010–2011 Analog Devices, Inc. All rights reserved. FEATURES 10-bit SAR ADC 8 single-ended inputs Channel sequencer functionality Fast throughput of 1 MSPS Analog input range: 0 V to 2.5 V Temperature range: −40°C to +125°C Specified for V DD of 2.8 V to 3.6 V Logic voltage V DRIVE = 1.65 V to 3.6 V Power-down current: <10 µA Internal 2.5 V reference Internal power-on reset High speed serial interface SPI 20-lead LFCSP FUNCTIONAL BLOCK DIAGRAM 10-BIT SUCCESSIVE APPROXIMATION ADC INPUT MUX T/H VDD GND PD/RST SCLK DOUT DIN CS VDRIVE VIN7 VIN0 CONTROL LOGIC SEQUENCER VREF BUF REF AD7298-1 Figure 1. GENERAL DESCRIPTION The AD7298-1 is a 10-bit, high speed, low power, 8-channel, successive approximation ADC. The part operates from a single 3.3 V power supply and features throughput rates up to 1 MSPS. The device contains a low noise, wide bandwidth track-and-hold amplifier that can handle input frequencies in excess of 30 MHz. The AD7298-1 offers a programmable sequencer, which enables the selection of a preprogrammable sequence of channels for conversion. The device has an on-chip, 2.5 V reference that can be disabled to allow the use of an external reference. The device offers a 4-wire serial interface compatible with SPI and DSP interface standards. The AD7298-1 uses advanced design techniques to achieve very low power dissipation at high throughput rates. The part also offers flexible power/throughput rate management options. The part is offered in a 20-lead LFCSP package. PRODUCT HIGHLIGHTS 1. Ideally Suited to Monitoring System Variables in a Variety of Systems. This includes telecommunications, and process and industrial control. 2. High Throughput Rate of 1 MSPS with Low Power Consumption. 3. Eight Single-Ended Inputs with a Channel Sequencer. A consecutive sequence of channels can be selected on which the ADC cycles and converts. |
Ähnliche Teilenummer - AD7298-1 |
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Ähnliche Beschreibung - AD7298-1 |
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