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LTC1278 Datasheet(PDF) 2 Page - Linear Technology |
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LTC1278 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LTC1278 A G A U A R BSOLUTEXI TI S PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER AVDD = DVDD = VDD (Notes 1, 2) Supply Voltage (VDD) .............................................. 12V Negative Supply Voltage (VSS) Bipolar Operation Only .......................... – 6V to GND Total Supply Voltage (VDD to VSS) Bipolar Operation Only ....................................... 12V Analog Input Voltage (Note 3) Unipolar Operation ................... – 0.3V to VDD + 0.3V Bipolar Operation............... VSS – 0.3V to VDD + 0.3V Digital Input Voltage (Note 4) Unipolar Operation ................................ – 0.3V to 12V Bipolar Operation........................... VSS – 0.3V to 12V Digital Output Voltage Unipolar Operation ................... – 0.3V to VDD + 0.3V Bipolar Operation................ VSS – 0.3V to VDD + 0.3V Power Dissipation ............................................. 500mW Operating Temperature Range LTC1278-4C, LTC1278-5C ..................... 0 °C to 70°C LTC1278-4I ....................................... – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec) ................. 300 °C 1 2 3 4 5 6 7 8 9 10 11 12 TOP VIEW SW PACKAGE 24-LEAD PLASTIC SO WIDE N PACKAGE 24-LEAD PDIP 24 23 22 21 20 19 18 17 16 15 14 13 AIN VREF AGND D11(MSB) D10 D9 D8 D7 D6 D5 D4 DGND AVDD VSS BUSY CS RD CONVST SHDN DVDD D0 D1 D2 D3 TJMAX = 110°C, θJA = 100°C/W (N) TJMAX = 110°C, θJA = 130°C/W (SW) Consult factory for Military grade parts. LTC1278-4CN LTC1278-5CN LTC1278-4IN LTC1278-4CSW LTC1278-5CSW LTC1278-4ISW LTC1278-4/LTC1278-5 PARAMETER CONDITIONS MIN TYP MAX UNITS Resolution (No Missing Codes) q 12 Bit Integral Linearity Error (Note 7) q ±1 LSB Differential Linearity Error q ±1 LSB Offset Error (Note 8) ±4 LSB q ±6 LSB Gain Error ±15 LSB Gain Error Tempco IOUT(REF) = 0 q ±10 ±45 ppm/ °C CC HARA TERISTICS CO VERTER With Internal Reference (Notes 5, 6) LTC1278-4/LTC1278-5 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VIN Analog Input Range (Note 9) 4.95V ≤ VDD ≤ 5.25V (Unipolar) q 0 to 5 V 4.75V ≤ VDD ≤ 5.25V, –5.25V ≤ VSS ≤ – 2.45V (Bipolar) q ±2.5 V IIN Analog Input Leakage Current CS = High q ±1 µA CIN Analog Input Capacitance Between Conversions (Sample Mode) 45 pF During Conversions (Hold Mode) 5 pF PUT I A A LOG (Note 5) |
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