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LTC2440IGN 数据表(PDF) 2 Page - Linear Technology |
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LTC2440IGN 数据表(HTML) 2 Page - Linear Technology |
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2 / 28 page  LTC2440 2 sn2440, 2440fas ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO ELECTRICAL CHARACTERISTICS (Notes 1, 2) ORDER PART NUMBER Supply Voltage (VCC) to GND.......................– 0.3V to 6V Analog Input Pins Voltage to GND .................................... – 0.3V to (VCC + 0.3V) Reference Input Pins 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 LTC2440C ............................................... 0 °C to 70°C LTC2440I ............................................ – 40 °C to 85°C Storage Temperature Range ................. – 65 °C to 150°C Lead Temperature (Soldering, 10 sec).................. 300 °C TJMAX = 125°C, θJA = 110°C/W LTC2440CGN LTC2440IGN PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) 0.1V ≤ VREF ≤ VCC, –0.5 • VREF ≤ VIN ≤ 0.5 • VREF, (Note 5) ● 24 Bits Integral Nonlinearity VCC = 5V, REF+ = 5V, REF– = GND, VINCM = 2.5V, (Note 6) ● 5 15 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V, (Note 6) 3 ppm of VREF Offset Error 2.5V ≤ REF+ ≤ VCC, REF– = GND, ● 2.5 5 µV GND ≤ IN+ = IN– ≤ VCC (Note 12) Offset Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 20 nV/ °C GND ≤ IN+ = IN– ≤ VCC Positive Full-Scale Error REF+ = 5V, REF– = GND, IN+ = 3.75V, IN– = 1.25V ● 10 30 ppm of VREF REF+ = 2.5V, REF– = GND, IN+ = 1.875V, IN– = 0.625V ● 10 50 ppm of VREF Positive Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.2 ppm of VREF/°C IN+ = 0.75REF+, IN– = 0.25 • REF+ Negative Full-Scale Error REF+ = 5V, REF– = GND, IN+ = 1.25V, IN– = 3.75V ● 10 30 ppm of VREF REF+ = 2.5V, REF– = GND, IN+ = 0.625V, IN– = 1.875V ● 10 50 ppm of VREF Negative Full-Scale Error Drift 2.5V ≤ REF+ ≤ VCC, REF– = GND, 0.2 ppm of VREF/°C IN+ = 0.25 • REF+, IN– = 0.75 • REF+ Total Unadjusted Error 5V ≤ VCC ≤ 5.5V, REF+ = 2.5V, REF– = GND, VINCM = 1.25V 15 ppm of VREF 5V ≤ VCC ≤ 5.5V, REF+ = 5V, REF– = GND, VINCM = 2.5V 15 ppm of VREF REF+ = 2.5V, REF– = GND, VINCM = 1.25V, (Note 6) 15 ppm of VREF Input Common Mode Rejection DC 2.5V ≤ REF+ ≤ VCC, REF– = GND, 120 dB GND ≤ IN– = IN+ ≤ VCC The ● denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. (Notes 3, 4) GN PART MARKING 2440 2440I TOP VIEW GN PACKAGE 16-LEAD PLASTIC SSOP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 GND VCC REF+ REF – IN+ IN– SDI GND GND BUSY FO SCK SDO CS EXT GND Consult LTC Marketing for parts specified with wider operating temperature ranges. |
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