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LTC2435 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2435 Datasheet(HTML) 3 Page - Linear Technology |
3 / 40 page LTC2435/LTC2435-1 3 24351fa SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IN+ Absolute/Common Mode IN+ Voltage ● GND – 0.3V VCC + 0.3V V IN– Absolute/Common Mode IN– Voltage ● GND – 0.3V VCC + 0.3V V VIN Input Differential Voltage Range ● –VREF/2 VREF/2 V (IN+ – IN–) REF+ Absolute/Common Mode REF+ Voltage ● 0.1 VCC V REF– Absolute/Common Mode REF– Voltage ● GND VCC – 0.1V V VREF Reference Differential Voltage Range ● 0.1 VCC V (REF+ – REF–) CS (IN+)IN+ Sampling Capacitance 1.5 pF CS (IN–)IN– Sampling Capacitance 1.5 pF CS (REF +)REF+ Sampling Capacitance 1.5 pF CS (REF –)REF– Sampling Capacitance 1.5 pF IDC_LEAK (IN +)IN+ DC Leakage Current CS = VCC, IN + = GND ● –10 1 10 nA IDC_LEAK (IN–)IN– DC Leakage Current CS = VCC, IN– = VCC ● –10 1 10 nA IDC_LEAK (REF+)REF+ DC Leakage Current CS = VCC, REF+ = VCC ● –10 1 10 nA IDC_LEAK (REF–)REF– DC Leakage Current CS = VCC, REF– = GND ● –10 1 10 nA The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4) PARAMETER CONDITIONS MIN TYP MAX UNITS CO VERTER CHARACTERISTICS A ALOG I PUT A D REFERE CE Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF – = GND, ● 140 dB 60Hz ±2% (LTC2435) GND ≤ IN– = IN+ ≤ VCC, (Notes 5, 7) Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 140 dB 50Hz ±2% (LTC2435) GND ≤ IN– = IN+ ≤ VCC, (Notes 5, 8) Input Normal Mode Rejection (Notes 5, 7) ● 110 120 dB 60Hz ±2% (LTC2435) Input Normal Mode Rejection (Notes 5, 8) ● 110 120 dB 50Hz ±2% (LTC2435) Input Common Mode Rejection 2.5V ≤ REF+ ≤ VCC, REF – = GND, ● 120 dB 49Hz to 61.2Hz (LTC2435-1) GND ≤ IN– = IN+ ≤ VCC, (Notes 5, 7) Input Normal Mode Rejection FO = GND (Note 5) ● 87 dB 49Hz to 61.2Hz (LTC2435-1) Input Normal Mode Rejection External Oscillator (Note 5) ● 87 dB External Clock fEOSC/2560 ±14% Input Normal Mode Rejection External Oscillator (Note 5) ● 110 120 dB External Clock fEOSC/2560 ±4% Reference Common Mode 2.5V ≤ REF+ ≤ VCC, GND ≤ REF – ≤ 2.5V, ● 130 140 dB Rejection DC VREF = 2.5V, IN– = IN+ = GND (Note 5) Power Supply Rejection, DC REF+ = VCC, REF– = GND, IN– = IN+ = GND 100 dB Power Supply Rejection, 60Hz ±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND, (Note 7) 120 dB Power Supply Rejection, 50Hz ±2% REF+ = 2.5V, REF– = GND, IN– = IN+ = GND, (Note 8) 120 dB |
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