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REF2925 Datasheet(PDF) 46 Page - Texas Instruments

No. de pieza REF2925
Descripción Electrónicos  ADS8881x 18-Bit, 1-MSPS, Serial Interface, microPower, Miniature, True-Differential Input, SAR Analog-to-Digital Converter
PDF  62 Pages
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Fabricante Electrónico  TI2 [Texas Instruments]
Página de inicio  https://www.ti.com
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REF2925 Datasheet(HTML) 46 Page - Texas Instruments

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Throughput (kSPS)
C03
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ADS8881
SBAS547D – MAY 2013 – REVISED AUGUST 2015
www.ti.com
Product Folder Links: ADS8881
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Copyright © 2013–2015, Texas Instruments Incorporated
Power Saving (continued)
The conversion time, tconv, is independent of the SCLK frequency. When operating the device at speeds lower
than the maximum rated throughput, the conversion time, tconv, does not change; the device spends more time in
power-down state. Therefore, as shown in Figure 76, the device power consumption from the AVDD supply and
the external reference source is directly proportional to the speed of operation. Extremely low AVDD power-down
current (50 nA, typical) and extremely low external reference leakage current (250 nA, typical), make this device
ideal for very low throughput applications (such as pulsed measurements).
Figure 76. Power Scaling With Throughput



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