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LTC7545ACSW 数据表(PDF) 2 Page - Linear Technology |
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LTC7545ACSW 数据表(HTML) 2 Page - Linear Technology |
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2 / 8 page  2 LTC7545A PACKAGE/ORDER I FOR ATIO A G A U A R BSOLUTEXI TI S VDD to AGND ............................................ –0.5V to 17V VDD to DGND ............................................. –0.5V to 17V AGND to DGND .............................. – 0.5V to VDD + 0.5V DGND to AGND .............................. – 0.5V to VDD + 0.5V VREF to AGND,DGND ............................................. ±25V RFB to AGND,DGND ............................................. . ±25V Digital Inputs to DGND ................. – 0.5V to VDD + 0.5V VOUT1 to AGND, DGND ................. –0.5V to VDD + 0.5V Maximum Junction Temperature .......................... 150 °C Operating Temperature Range Commercial (K, L Versions) .................... 0 °C to 70°C Industrial (B, C Versions)................... –40 ° C to 85°C Storage Temperature Range ................ –65 °C to 150°C Lead Temperature (Soldering, 10 sec)................. 300 °C LTC7545ABN LTC7545ABSW LTC7545ACN LTC7545ACSW LTC7545AKN LTC7545AKSW LTC7545ALN LTC7545ALSW ORDER PART NUMBER OUT1 AGND DGND DB11 (MSB) DB10 DB9 DB8 DB7 DB6 DB5 RFB VREF VDD WR CS DB0 (LSB) DB1 DB2 DB3 DB4 1 2 3 4 5 6 7 8 9 10 TOP VIEW 20 19 18 17 16 15 14 13 12 11 N PACKAGE SW PACKAGE 20-LEAD PDIP 20-LEAD PLASTIC SO WIDE TJMAX = 150°C, θJA = 100°C/W (N) TJMAX = 150°C, θJA = 130°C/W (SW) Consult factory for Military grade parts. VDD = 5V or 15V, VREF = 10V, VOUT1 = AGND = 0V, TA = TMIN to TMAX, unless otherwise noted. ELECTRICAL CHARACTERISTICS LTC7545AK/AB LTC7545AL/AC SYMBOL PARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX UNITS Accuracy Resolution q 12 12 Bits INL Integral Nonlinearity (Note 1) TA = 25°C ±0.5 ±0.5 LSB (Relative Accuracy) TMIN to TMAX q ±0.5 ±0.5 LSB DNL Differential Nonlinearity Guaranteed Monotonic TA = 25°C ±1 ±0.5 LSB TMIN to TMAX TMIN to TMAX q ±1 ±0.5 LSB GE Gain Error (Note 2) TA = 25°C ±2 ±1 LSB TMIN to TMAX q ±3 ±2 LSB Gain Temperature Coefficient (Note 3) ∆Gain/∆Temperature q 1 5 1 5 ppm/ °C ILKG OUT1 Leakage Current (Note 4) TA = 25°C ±10 ±10 nA TMIN to TMAX q ±50 ±50 nA PSRR Power Supply Rejection q ±0.002 ±0.002 %/% Reference Input RREF VREF Input Resistance (Note 5) q 8 11 15 8 11 15 k Ω AC Performance Output Current Settling Time (Notes 3, 6, 7) q 11 µs Propagation Delay (Notes 3, 6, 8) q 150 150 ns Digital-to-Analog Glitch Impulse (Notes 6, 9) q 5 5 nV-sec Multiplying Feedthrough Error VREF = ±10V, 10kHz Sine Wave q 55 mVP-P Analog Outputs COUT Output Capacitance (Note 3) DB0 to DB11 = 0V, COUT1 q 30 70 30 70 pF WR, CS = 0V DB0 to DB11 = VDD, COUT1 q 60 150 60 150 pF WR, CS = 0V |
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