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LTC1289CI Datasheet(PDF) 6 Page - Linear Technology |
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LTC1289CI Datasheet(HTML) 6 Page - Linear Technology |
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6 / 28 page  6 LTC1289 CC HARA TERISTICS A TYPICALPERFOR CE Supply Current (Power Shutdown) vs Temperature Maximum Filter Resistor vs Cycle Time Sample and Hold Acquisition Time vs Source Resistance Supply Current (Power Shutdown) vs ACLK Input Channel Leakage Current vs Temperature Noise Error vs Reference Voltage AMBIENT TEMPERATURE (°C) –50 0 100 300 400 500 1000 700 –10 30 50 130 LTC1289 • TPC14 200 800 900 600 –30 10 70 90 110 ON CHANNEL OFF CHANNEL GUARANTEED REFERENCE VOLTAGE (V) 0 0.6 0.8 1.0 2.0 0.4 0.2 0 0.5 1.0 1.5 2.5 3.0 LTC1289 • TPC15 LTC1289 NOISE = 200 µV p-p CYCLE TIME ( µs) 10 100 1k 10k 10 1000 10000 LTC1289 TPC10 1 100 + – VIN CFILTER ≥ 1µF RFILTER RSOURCE+ (Ω) 100 1 10 100 1k 10k LTC1289 TPC11 + – VIN RSOURCE+ VREF = 2.5V VCC = 3V TA = 25°C 0V TO 2.5V INPUT STEP AMBIENT TEMPERATURE (°C) –60 0 0.2 0.6 0.8 1.0 2.0 1.4 –20 20 40 LTC1289 TPC12 0.4 1.6 1.8 1.2 –40 0 60 80 100 ACLK OFF DURING POWER SHUTDOWN ACLK FREQUENCY (kHZ) 200 12 14 16 800 10 8 400 600 1000 6 4 18 LTC1298 TPC13 VCC = 3V CMOS LOGIC SWINGS tsuCS vs Supply Voltage Power Consumption with Power Shutdown vs fSAMPLE SUPPLY VOLTAGE (V) 2.7 0 50 100 150 200 250 300 2.8 2.9 3.3 3.4 LTC1289 TPC16 3.6 3.0 3.1 3.2 3.5 TA = 25°C ** MAXIMUM RFILTER REPRESENTS THE FILTER RESISTOR VALUE AT WHICH A 0.1LSB CHANGE IN FULL SCALE ERROR FROM ITS VALUE AT RFILTER = 0 IS FIRST DETECTED. fSAMPLE (Hz) 10 100 1000 10000 1 100 1000 10000 LTC1289 TPC17 1 10 VCC = 3V VREF = 2.5V ACLK = 2MHz CMOS LOGIC SWINGS THREE CONVERSIONS/CYCLE |
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