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LTC2480CDD датащи(PDF) 3 Page - Linear Technology |
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LTC2480CDD датащи(HTML) 3 Page - Linear Technology |
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3 / 40 page ![]() 3 LTC2480 2480f PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1 ≤ VREF ≤ VCC, –FS ≤ VIN ≤ +FS (Note 5) ● 16 Bits Integral Nonlinearity 5V ≤ VCC ≤ 5.5V, VREF = 5V, VIN(CM) = 2.5V (Note 6) ● 2 10 ppm of VREF 2.7V ≤ VCC ≤ 5.5V, VREF = 2.5V, VIN(CM) = 1.25V (Note 6) 1 Offset Error 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC (Note 14) ● 0.5 2 mV Offset Error Drift 2.5V ≤ VREF ≤ VCC, GND ≤ IN+ = IN– ≤ VCC 100 nV/ °C Positive Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF ● 25 ppm of VREF Positive Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF 0.1 ppm of VREF/°C Negative Full-Scale Error 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF ● 25 ppm of VREF Negative Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC, IN+ = 0.75VREF, IN– = 0.25VREF 0.1 ppm of VREF/°C Output Noise 5V ≤ VCC ≤ 5.5V, VREF = 5V, GND ≤ IN– = IN+ ≤ VCC (Note 13) 0.84 µVRMS Programmable Gain (Note 15) ● 1 128 The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. (Notes 3, 4) 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 Input Common Mode Rejection DC 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) ● 140 dB Input Common Mode Rejection 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) ● 140 dB 50Hz ±2% Input Common Mode Rejection 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) ● 140 dB 60Hz ±2% Input Normal Mode Rejection 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 7) ● 110 120 dB 50Hz ±2% Input Normal Mode Rejection 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 8) ● 110 120 dB 60Hz ±2% Input Normal Mode Rejection 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Notes 5, 9) ● 87 dB 50Hz/60Hz ±2% Reference Common Mode 2.5V ≤ VREF ≤ VCC, GND ≤ IN– = IN+ ≤ VCC (Note 5) ● 120 140 dB Rejection DC 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 CO VERTER CHARACTERISTICS 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–) ● 0.5VREF/GAIN V LSB Least Significant Bit of the Output Code ● FS/216 VIN Input Differential Voltage Range (IN+ – IN–) ● –FS +FS V VREF Reference Voltage Range ● 0.1 VCC V The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Note 3) A ALOG I PUT A D REFERE CE ELECTRICAL CHARACTERISTICS (2x SPEED) |
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