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LTC2420CS8 Datasheet(PDF) 2 Page - Linear Technology |
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LTC2420CS8 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 36 page  2 LTC2420 PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, (Note 5) q 20 Bits Integral Nonlinearity VREF = 2.5V (Note 6) q 4 10 ppm of VREF VREF = 5V (Note 6) q 8 20 ppm of VREF Integral Nonlinearity (Fast Mode) VREF = 5V, VREF = 2.5V, 100 Samples/Second, fO = 2.048MHz q 40 250 ppm of VREF Offset Error 2.5V ≤ VREF ≤ VCC q 0.5 10 ppm of VREF Offset Error (Fast Mode) 2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz 3 ppm of VREF Offset Error Drift 2.5V ≤ VREF ≤ VCC 0.04 ppm of VREF/°C Full-Scale Error 2.5V ≤ VREF ≤ VCC q 4 10 ppm of VREF Full-Scale Error (Fast Mode) 2.5V < VREF < 5V, 100 Samples/Second, fO = 2.048MHz 10 ppm of VREF Full-Scale Error Drift 2.5V ≤ VREF ≤ VCC 0.04 ppm of VREF/°C Total Unadjusted Error VREF = 2.5V 8 ppm of VREF VREF = 5V 16 ppm of VREF Output Noise VIN = 0V (Note 13) 6 µVRMS Output Noise (Fast Mode) VREF = 5V, 100 Samples/Second, fO = 2.048MHz 20 µVRMS Normal Mode Rejection 60Hz ±2% (Note 7) q 110 130 dB Normal Mode Rejection 50Hz ±2% (Note 8) q 110 130 dB Power Supply Rejection, DC VREF = 2.5V, VIN = 0V 100 dB Power Supply Rejection, 60Hz ±2% VREF = 2.5V, VIN = 0V, (Notes 7, 15) 110 dB Power Supply Rejection, 50Hz ±2% VREF = 2.5V, VIN = 0V, (Notes 8, 15) 110 dB ORDER PART NUMBER Consult factory for Military grade parts. S8 PART MARKING (Notes 1, 2) Supply Voltage (VCC) to GND.......................–0.3V to 7V Analog Input Voltage to GND ....... – 0.3V to (VCC + 0.3V) Reference Input Voltage to GND .. – 0.3V to (VCC + 0.3V) Digital Input Voltage to GND ........ – 0.3V to (VCC + 0.3V) Digital Output Voltage to GND ..... – 0.3V to (VCC + 0.3V) Operating Temperature Range LTC2420C ............................................... 0 °C to 70°C LTC2420I ............................................ – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C TJMAX = 125°C, θJA = 130°C/W LTC2420CS8 LTC2420IS8 2420 2420I The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4) ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION CONVERTER CHARACTERISTICS 1 2 3 4 8 7 6 5 TOP VIEW FO SCK SDO CS VCC VREF VIN GND S8 PACKAGE 8-LEAD PLASTIC SO |
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