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ADS7870 Fiches technique(PDF) 6 Page - Burr-Brown (TI) |
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ADS7870 Fiches technique(HTML) 6 Page - Burr-Brown (TI) |
6 / 27 page 6 ® ADS7870 TYPICAL PERFORMANCE CURVES At TA = +25°C, VDD = +5.0V, VREF = 2.5V connected to BUFIN (using internal reference), 2.5MHz CCLK and 2.5MHz SCLK, unless otherwise noted. 15 10 5 0 –5 –10 –60 –40 –20 0 20 40 60 80 100 120 140 Temperature ( °C) GAIN ERROR vs TEMPERATURE Gain= 1 Gain = 8 Gain = 20 10 8 6 4 3 0 –2 –4 –60 –40 –20 0 20 40 60 80 100 120 140 Temperature ( °C) OUTPUT OFFSET ERROR vs TEMPERATURE Gain= 1 Gain = 8 Gain = 20 2.55 2.50 2.45 2.40 2.35 2.30 2.25 2.20 –60 –40 –20 0 20 40 60 80 100 120 140 Temperature ( °C) INTERNAL OSCILLATOR FREQUENCY vs TEMPERATURE +3 Sigma Avg –3 Sigma 0.4 0.2 0.0 –0.2 –0.4 –0.6 –0.8 –1.0 –60 –40 –20 0 20 40 60 00 100 120 140 Temperature ( °C) VOLTAGE REFERENCE ERROR vs TEMPERATURE V REF = 2.048V or 2.5V +3 Sigma V REF –3 Sigma 2 1.5 1 0.5 0 –0.5 –1 –1.5 –2 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 Common-Mode Voltage (V) OUTPUT OFFSET ERROR vs COMMON-MODE VOLTAGE 1 LSB = –72dB for Gain = 1 –98dB for Gain = 20 Gain= 1 Gain = 10 Gain = 20 8 7 6 5 4 3 2 1 0 –1 2 2.5 3 3.5 4 4.5 5 5.5 6 V DD (V) OUTPUT OFFSET ERROR vs POWER SUPPLY VOLTAGE 4 LSB = 86dB (Gain = 20) 60dB (Gain = 1) 50kS/s, CCLK = 2.5MHz, V REF = 2.048V Gain= 1 Gain = 10 Gain = 20 |
Numéro de pièce similaire - ADS7870 |
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Description similaire - ADS7870 |
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