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LTC1450IG Datasheet(PDF) 2 Page - Linear Technology |
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LTC1450IG Datasheet(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LTC1450/LTC1450L ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION VCC to GND .............................................. –0.5V to 7.5V Logic Inputs to GND ................................ – 0.5V to 7.5V VOUT .............................................. –0.5V to VCC + 0.5V REFOUT, REFLO, REFHI, X1/X2 ..... – 0.5V to VCC + 0.5V Maximum Junction Temperature .......................... 125 °C Operating Temperature Range Commercial ........................................... 0 °C to 70°C Industrial ......................................... – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C ORDER PART NUMBER Consult factory for Military grade parts. TJMAX = 125°C, θJA = 95°C/ W (G) TJMAX = 125°C, θJA = 58°C/ W (N) 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 ±3.5 LSB (Note 1) q ±4.0 LSB VOS Offset Error TA = 25°C ±12 mV q ±18 mV VOS TC Offset Error Temperature Coefficient ±15 µV/°C VFS Full-Scale Voltage Using Internal Reference, LTC1450, TA = 25°C 4.065 4.095 4.125 V Using Internal Reference, LTC1450 q 4.045 4.095 4.145 V External 2.048V Reference, LTC1450 q 4.075 4.095 4.115 V Using Internal Reference, LTC1450L, TA = 25°C 2.470 2.500 2.530 V Using Internal Reference, LTC1450L q 2.460 2.500 2.540 V External 1.22V Reference, LTC1450L q 2.480 2.500 2.520 V VFS TC Full-Scale Voltage Temperature Coefficient Using Internal Reference, LTC1450 ±0.10 LSB/ °C Using External Reference, LTC1450/LTC1450L ±0.02 LSB/ °C Using Internal Reference, LTC1450L ±0.10 LSB/ °C Reference Output (REFOUT) Reference Output Voltage LTC1450L q 1.195 1.220 1.245 V LTC1450 q 2.008 2.048 2.088 V Reference Output Temperature Coefficient ±0.08 LSB/ °C Reference Line Regulation q 0.7 ±2LSB/V Reference Load Regulation 0 ≤ IOUT ≤ 100µA, LTC1450L q 0.6 ± 3.0 LSB LTC1450 q 0.2 ±1.5 LSB Short-Circuit Current REFOUT Shorted to GND q 80 mA 1 2 3 4 5 6 7 8 9 10 11 12 TOP VIEW G PACKAGE 24-LEAD PLASTIC SSOP N PACKAGE 24-LEAD PLASTIC PDIP 24 23 22 21 20 19 18 17 16 15 14 13 WR CSLSB CSMSB (LSB) D0 D1 D2 D3 D4 D5 D6 D7 D8 LDAC CLR X1/X2 VOUT VCC REFOUT REFHI REFLO GND D11(MSB) D10 D9 LTC1450CG LTC1450CN LTC1450IG LTC1450IN LTC1450LCG LTC1450LCN LTC1450LIG LTC1450LIN VCC = 4.5V to 5.5V (LTC1450), 2.7V to 5.5V (LTC1450L), VOUT unloaded, REFOUT = REFHI, REFLO = GND = X1/X2, TA = TMIN to TMAX, unless otherwise noted. ELECTRICAL CHARACTERISTICS |
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