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LTC2488 Datasheet(PDF) 3 Page - Linear Technology |
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LTC2488 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 28 page  LTC2488 3 2488f CONVERTER CHARACTERISTICS The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS Input Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Note 5) ● 140 dB Input Common Mode Rejection 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Note 5) ● 140 dB Input Common Mode Rejection 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Note 5) ● 140 dB Input Normal Mode Rejection 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Notes 5, 7) ● 110 120 dB Input Normal Mode Rejection 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Notes 5, 8) ● 110 120 dB Input Normal Mode Rejection 50Hz/60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Notes 5, 9) ● 87 dB Reference Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN + = IN– ≤ VCC (Note 5) ● 120 140 dB Power Supply Rejection DC VREF = 2.5V, IN + = IN– = GND 120 dB Power Supply Rejection, 50Hz ±2% VREF = 2.5V, IN + = IN– = GND (Notes 7, 9) 120 dB Power Supply Rejection, 60Hz ±2% VREF = 2.5V, IN + = IN– = GND (Notes 8, 9) 120 dB ANALOG INPUT AND REFERENCE The ● denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS IN+ Absolute/Common Mode IN+ Voltage (IN+ Corresponds to the Selected Positive Input Channel) GND – 0.3V VCC + 0.3V V IN– Absolute/Common Mode IN– Voltage (IN– Corresponds to the Selected Negative Input Channel) GND – 0.3V VCC + 0.3V V VIN Input Differential Voltage Range (IN+ – IN–) ● –FS +FS V FS Full Scale of the Differential Input (IN+ – IN–) ● 0.5VREF V LSB Least Significant Bit of the Output Code ● FS/216 REF+ Absolute/Common Mode REF+ Voltage ● 0.1 VCC V REF– Absolute/Common Mode REF– Voltage ● GND REF+ – 0.1V V VREF Reference Voltage Range (REF+ – REF–) ● 0.1 VCC V CS(IN+) IN+ Sampling Capacitance 11 pF CS(IN–) IN– Sampling Capacitance 11 pF CS(VREF) VREF Sampling Capacitance 11 pF IDC_LEAK(IN + ) IN+ DC Leakage Current Sleep Mode, IN+ = GND ● –10 1 10 nA IDC_LEAK(IN – ) IN– DC Leakage Current Sleep Mode, IN– = GND ● –10 1 10 nA IDC_LEAK(REF + ) REF+ DC Leakage Current Sleep Mode, REF+ = VCC ● –100 1 100 nA IDC_LEAK(REF – ) REF– DC Leakage Current Sleep Mode, REF– = GND ● –100 1 100 nA tOPEN MUX Break-Before-Make 50 ns QIRR MUX Off Isolation VIN = 2VP-P DC to 1.8MHz 120 dB |
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Similar Description - LTC2488 |
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