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CS5525 Fiches technique(PDF) 9 Page - Cirrus Logic |
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CS5525 Fiches technique(HTML) 9 Page - Cirrus Logic |
9 / 29 page CS5525 CS5526 DS202F3 9 Figure 4 illustrates the CS5525/26 connected to measure ground referenced unipolar signals of a positive polarity using the 1 V, 2.5 V, and 5 V input voltage ranges on the converter. For the 25 mV, 55 mV, and 100 mV ranges the signal must have a common mode near +2.5 V (NBV = 0V). The CS5525/26 are optimized for the measurement of thermocouple outputs, but they are also well suited for the measurement of ratiometric bridge transducer outputs. Figure 5 illustrates the CS5525/26 connected to measure the output of a ratiometric differential bridge transducer while op- erating from a single +5 V supply. -5 V NB V 30.1K 34.8K 2N 5087 or sim ila r -5 V 2.1K 2.0K NB V + 10 µF 10 µF + Figure 2. Charge Pump Drive Circuit for VD+ = 3 V. Figure 3. Alternate NBV Circuits. XO U T VD + VA+ VR EF+ VR EF - DG ND NBV AIN + AIN - SC L K SD O SD I C S 5525 XIN CPD CS 10 Ω +5 V A nalo g S upply 0.1 µ F 0.1 µ F 20 19 3 4 1 AG N D 21 3 11 14 17 18 12 5 Se ria l Data In te rfa ce 8 2.5V 0 to + 5V Input C S 5526 16 A3 15 A2 7 A1 6 A0 + - C M = 0 to VA+ 10 9 O p tional Clo c k S ourc e 32.76 8 ~ 100kH z 20 pF 50 0k Ω Figure 4. CS5525/26 Configured for ground-referenced Unipolar Signals. |
Numéro de pièce similaire - CS5525 |
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Description similaire - CS5525 |
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