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LTC2480IMS-PBF Datasheet(PDF) 4 Page - Linear Technology |
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LTC2480IMS-PBF Datasheet(HTML) 4 Page - Linear Technology |
4 / 42 page LTC2480 4 2480fc CONVERTER CHARACTERISTICS The l denotes the 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 Input Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Common Mode Rejection 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Common Mode Rejection 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 140 dB Input Normal Mode Rejection 50Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 7) 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 7) (H-Grade) l l 110 104 120 dB dB Input Normal Mode Rejection 60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 8) 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 8) (H-Grade) l l 110 104 120 dB dB Input Normal Mode Rejection 50Hz/60Hz ±2% 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 9) l 87 dB Reference Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) l 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 l 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 GND – 0.3V VCC + 0.3V V IN– Absolute/Common Mode IN– Voltage GND – 0.3V VCC + 0.3V V FS Full-Scale of the Differential Input (IN+ – IN–) l 0.5VREF/GAIN V LSB Least Significant Bit of the Output Code l FS/216 VIN Input Differential Voltage Range (IN+ – IN–) l –FS +FS V VREF Reference Voltage Range l 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 l –10 1 10 nA IDC_LEAK (IN–)IN– DC Leakage Current Sleep Mode, IN– = GND l –10 1 10 nA IDC_LEAK (VREF)VREF DC Leakage Current Sleep Mode, VREF = VCC l –100 1 100 nA ANALOG INPUTS AND DIGITAL OUTPUTS The l 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 VIH High Level Input Voltage CS, fO, SDI 2.7V ≤ VCC ≤ 5.5V l VCC – 0.5 V VIL Low Level Input Voltage CS, fO, SDI 2.7V ≤ VCC ≤ 5.5V l 0.5 V VIH High Level Input Voltage SCK 2.7V ≤ VCC ≤ 5.5V (Note 10) l VCC – 0.5 V VIL Low Level Input Voltage SCK 2.7V ≤ VCC ≤ 5.5V (Note 10) l 0.5 V IIN Digital Input Current CS, fO, SDI 0V ≤ VIN ≤ VCC l –10 10 μA |
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