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LTC1454LIN Datasheet(PDF) 2 Page - Linear Technology |
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LTC1454LIN Datasheet(HTML) 2 Page - Linear Technology |
2 / 12 page 2 LTC1454/LTC1454L ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER I FOR ATIO VCC to GND .............................................. –0.5V to 7.5V Logic Inputs to GND ................................ – 0.5V to 7.5V VOUT A, VOUT B, X1/X2 A , X1/X2 B ..................................... – 0.5V to VCC + 0.5V REFHI A , REFHI B, REFLO ............. – 0.5V to VCC + 0.5V Maximum Junction Temperature .......................... 125 °C Operating Temperature Range LTC1454C/LTC1454LC ............................ 0 °C to 70°C LTC1454I/LTC1454LI ........................ – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec) ................. 300 °C LTC1454CN LTC1454IN LTC1454CS LTC1454IS LTC1454LCN LTC1454LIN LTC1454LCS LTC1454LIS ORDER PART NUMBER TJMAX = 125°C, θJA = 100°C/W (N) TJMAX = 125°C, θJA = 150°C/W (S) Consult factory for Military grade parts. ELECTRICAL CHARACTERISTICS VCC = 4.5V to 5.5V (LTC1454), 2.7V to 5.5V (LTC1454L), X1/X2 = REFLO = GND, REFHI = REFOUT, VOUT and REFOUT unloaded, TA = TMIN to TMAX, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DAC Resolution q 12 Bits DNL Differential Nonlinearity Guaranteed Monotonic (Note 1) q ± 0.5 LSB INL Integral Nonlinearity TA = 25°C ±2.0 ±4.0 LSB (Note 1) q ±2.5 ±4.5 LSB VOS Offset Error TA = 25°C ±2.0 ±12 mV q ±4.0 ±18 mV VOSTC Offset Error Temperature ±15 µV/°C Coefficient VFS Full-Scale Voltage When Using Internal Reference, LTC1454, TA = 25°C 4.065 4.095 4.125 V LTC1454 q 4.045 4.095 4.145 V When Using Internal Reference, LTC1454L, TA = 25°C 2.470 2.500 2.530 V LTC1454L q 2.460 2.500 2.540 V VFSTC Full-Scale Voltage When Using Internal Reference ± 24 ppm/ °C Temperature Coefficient Reference Reference Output Voltage LTC1454 q 2.008 2.048 2.088 V LTC1454L q 1.195 1.220 1.245 V Reference Output ±20 ppm/ °C Temperature Coefficient Reference Line Regulation q 0.7 ±2.0 LSB/V Reference Load Regulation 0 ≤ IOUT ≤ 100µA, LTC1454 q 0.2 1.5 LSB LTC1454L q 0.6 3.0 LSB Reference Input Range VREFHI ≤ VCC – 1.5V VCC/2 V Reference Input Resistance q 15 24 40 k Ω Reference Input Capacitance 15 pF Short-Circuit Current REFOUT Shorted to GND q 40 120 mA TOP VIEW S PACKAGE 16-LEAD PLASTIC SO N PACKAGE 16-LEAD PDIP 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 X1/X2 B CLR CLK DIN CS/LD DOUT X1/X2 A VOUT A VOUT B VCC REFHI B GND REFLO REFHI A REFOUT VCC |
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