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LTC1257CS8 数据表(PDF) 2 Page - Linear Technology |
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LTC1257CS8 数据表(HTML) 2 Page - Linear Technology |
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2 / 12 page  2 LTC1257 VCC to GND ............................................ – 0.5V to 16.5V TTL Input Voltage .......................... – 0.5V to VCC + 0.5V VOUT .............................................. –0.5V to VCC + 0.5V REF ................................................ – 0.5V to VCC + 0.5V Operating Temperature Range LTC1257C ............................................. 0 °C to 70°C LTC1257I......................................... – 40 °C to 85°C Maximum Junction Temperature Plastic Package ............................. – 65 °C to 125°C Storage Temperature Range ................ – 65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C A G A U A R BSOLUTEXI TI S PACKAGE/ORDER I FOR ATIO ORDER PART NUMBER LTC1257CN8 LTC1257IN8 Consult factory for Military grade parts. S8 PART MARKING TJMAX = 125°C, θJA = 100°C/W TJMAX = 125°C, θJA = 150°C/W LTC1257CS8 LTC1257IS8 ELECTRICAL C C HARA TERISTICS VCC = 4.75V to 15.75V, internal or external reference (2.475V ≤ VREF ≤ VCC – 2.7V), IOUT ≤ 2mA, TA = TMIN to TMAX, unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS DAC Resolution q 12 Bits DNL Differential Nonlinearity Guaranteed Monotonic q ±0.5 LSB INL Integral Nonlinearity LTC1257C q ±3.5 LSB LTC1257I q ±4.0 LSB OFF Offset Error When Using Internal Reference, LTC1257C q ±8 LSB When Using Internal Reference, LTC1257I q ±10 LSB When Using External Reference, LTC1257C q ±4mV When Using External Reference, LTC1257I q ±5mV OFFTC Offset Error Tempco When Using Internal Reference (Note 1) q ±0.02 ±0.066 LSB/ °C When Using External Reference (Note 1) q ±15 ±30 µV/°C FSE Full-Scale Error q 0.5 ±2 LSB FSETC Full-Scale Error Tempco (Note 1) q ± 0.01 ±0.02 LSB/ °C Reference Reference Output Voltage IOUT = 0, LTC1257C q 2.028 2.048 2.068 V IOUT = 0, LTC1257I q 2.018 2.078 V Reference Output Tempco IOUT = 0 q ±0.06 LSB/ °C Reference Line Regulation IOUT = 0, LTC1257C q ±0.4 LSB/ V IOUT = 0, LTC1257I q ±0.7 LSB/V Reference Load Regulation 0 ≤ IOUT ≤ 100µA q ±1 LSB Reference Input Range VCC > VREF + 2.7V q 2.475 12 V Reference Input Resistance q 814 18 k Ω Reference Input Capacitance (Note 1) 15 pF Short-Circuit Current VOUT Shorted to GND q 90 mA 1 2 3 4 8 7 6 5 TOP VIEW N8 PACKAGE 8-LEAD PDIP VCC VOUT REF GND CLK DIN LOAD DOUT 1 2 3 4 8 7 6 5 TOP VIEW S8 PACKAGE 8-LEAD PLASTIC SO VCC VOUT REF GND CLK DIN LOAD DOUT 1257 1257I |
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