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ADS1240EG4 Datasheet(PDF) 8 Page - Texas Instruments |
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ADS1240EG4 Datasheet(HTML) 8 Page - Texas Instruments |
8 / 31 page ADS1240, 1241 8 SBAS173F www.ti.com TYPICAL CHARACTERISTICS (Cont.) All specifications AVDD = +5V, DVDD = +5V, fOSC = 2.4576MHz, PGA = 1, fDATA = 15Hz, and VREF ≡ (REF IN+) – (REF IN–) = +2.5V, unless otherwise specified. 900 800 700 600 500 400 300 200 100 0 ANALOG CURRENT vs PGA PGA Setting 1 2 4 8 16 128 64 32 AV DD = 5V, Buffer = ON AV DD = 3V, Buffer = ON Buffer = OFF Buffer = OFF 1.00010 1.00006 1.00002 0.99998 0.99994 0.99990 0.99986 GAIN vs TEMPERATURE (Cal at 25 °C) Temperature ( °C) –50 –30 10 –10 30 50 70 90 50 0 –50 –100 –150 –200 OFFSET vs TEMPERATURE (Cal at 25 °C) PGA1 PGA128 PGA64 Temperature ( °C) –50 –30 10 –10 30 50 70 90 PGA16 10 8 6 4 2 0 –2 –4 –6 –8 –10 INTEGRAL NONLINEARITY vs INPUT SIGNAL V IN (V) –2.5 –2.0 –1.0 –0.5 –1.5 0 0.5 1.0 1.5 2.0 2.5 –40 °C +25 °C +85 °C 150 140 130 120 110 100 90 80 70 60 50 ANALOG CURRENT vs TEMPERATURE Temperature ( °C) –50 –30 10 –10 30 50 70 90 AV DD = 5 AV DD = 3 Buffer OFF 300 250 200 150 100 50 0 DIGITAL CURRENT vs SUPPLY V DD (V) 3.0 3.5 4.0 4.5 5.0 Normal 4.91MHz Normal 2.45MHz SLEEP 2.45MHz Power Down SLEEP 4.91MHz |
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