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LTC1658CS8 数据表(PDF) 3 Page - Linear Technology |
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LTC1658CS8 数据表(HTML) 3 Page - Linear Technology |
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3 / 12 page ![]() 3 LTC1658 VCC = 2.7V to 5.5V, VOUT unloaded, REF ≤ VCC, TA = TMIN to TMAX, unless otherwise noted. ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Output Impedance to GND Input Code = 0 q 70 200 Ω Output Line Regulation Input Code = 16383, VCC = 2.7V to 5.5V, REF = 2.5V q 1.5 mV/V AC Performance Voltage Output Slew Rate q 0.35 1.0 V/ µs Voltage Output Settling Time (Note 3) to ±0.5LSB 12 µs Digital Feedthrough 0.3 nV • s Reference Input RIN REF Input Resistance q 30 60 k Ω VREF REF Input Range (Notes 5, 6) q 0VCC V Digital I/O VIH Digital Input High Voltage VCC = 5V q 2.4 V VIL Digital Input Low Voltage VCC = 5V q 0.8 V VOH Digital Output High Voltage VCC = 5V, IOUT = – 1mA, DOUT Only q VCC – 0.7 V VOL Digital Output Low Voltage VCC = 5V, IOUT = 1mA, DOUT Only q 0.4 V VIH Digital Input High Voltage VCC = 3V q 2.0 V VIL Digital Input Low Voltage VCC = 3V q 0.6 V VOH Digital Output High Voltage VCC = 3V, IOUT = – 1mA, DOUT Only q VCC – 0.7 V VOL Digital Output Low Voltage VCC = 3V, IOUT = 1mA, DOUT Only q 0.4 V ILEAK Digital Input Leakage VIN = GND to VCC q ±10 µA CIN Digital Input Capacitance (Note 6) q 10 pF Switching (VCC = 4.5V to 5.5V) t1 DIN Valid to CLK Setup q 40 ns t2 DIN Valid to CLK Hold q 0ns t3 CLK High Time (Note 6) q 40 ns t4 CLK Low Time (Note 6) q 40 ns t5 CS/LD Pulse Width (Note 6) q 50 ns t6 LSB CLK to CS/LD (Note 6) q 40 ns t7 CS/LD Low to CLK (Note 6) q 20 ns t8 DOUT Output Delay CLOAD = 15pF q 5 100 ns t9 CLK Low to CS/LD Low (Note 6) q 20 ns Switching (VCC = 2.7V to 5.5V) t1 DIN Valid to CLK Setup q 60 ns t2 DIN Valid to CLK Hold q 0ns t3 CLK High Time (Note 6) q 60 ns t4 CLK Low Time (Note 6) q 60 ns t5 CS/LD Pulse Width (Note 6) q 80 ns t6 LSB CLK to CS/LD (Note 6) q 60 ns t7 CS/LD Low to CLK (Note 6) q 30 ns t8 DOUT Output Delay CLOAD = 15pF q 10 150 ns t9 CLK Low to CS/LD Low (Note 6) q 30 ns |
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