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ADS7822 Arkusz danych(PDF) 9 Page - Texas Instruments |
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ADS7822 Arkusz danych(HTML) 9 Page - Texas Instruments |
9 / 28 page www.ti.com 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 1k 10k 100k 1M 10M RippleFrequency(Hz) V =2.7V CC Ripple=500mV PP V =1.25VDC IN V =2.5V REF PSR(dB)=20log(500mV/DV ) O where DV =changeindigitalresult O 0 -10 -20 -30 -40 -50 -60 -70 -80 -90 1k 10 10k 1 100k 1M 10M RippleFrequency(Hz) V =5V CC Ripple=500mV PP V =2.5VDC IN V =5V REF PSR(dB)=20log(500mV/DV ) O where DV =changeindigitalresult O 0.20 0.15 0.10 0.05 0.00 -0.05 -0.10 1 2 3 4 5 ReferenceVoltage(V) V =5V CC ChangeinIntegral Linearity(LSB) ChangeinDifferential Linearity(LSB) ADS7822 SBAS062C – JANUARY 1996 – REVISED AUGUST 2007 TYPICAL CHARACTERISTICS (continued) At TA = +25°C, VCC = +2.7V, VREF = +2.5V, fSAMPLE = 75kHz, fCLK = 16 × fSAMPLE, unless otherwise specified. POWER-SUPPLY REJECTION POWER-SUPPLY REJECTION vs RIPPLE FREQUENCY vs RIPPLE FREQUENCY Figure 19. Figure 20. CHANGE IN INTEGRAL LINEARITY AND DIFFERENTIAL LINEARITY vs REFERENCE VOLTAGE Figure 21. Copyright © 1996–2007, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Link(s): ADS7822 |
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