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LTC1655IS8 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1655IS8 Datasheet(HTML) 3 Page - Linear Technology |
3 / 12 page 3 LTC1655 ELECTRICAL CHARACTERISTICS SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Digital I/O VIH Digital Input High Voltage q 2.4 V VIL Digital Input Low Voltage q 0.8 V VOH Digital Output High Voltage IOUT = – 1mA, DOUT Only q VCC – 1 V VOL Digital Output Low Voltage 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) 10 pF Switching t1 DIN Valid to CLK Setup VCC = 5V q 40 ns t2 DIN Valid to CLK Hold VCC = 5V q 0ns t3 CLK High Time VCC = 5V (Note 6) q 40 ns t4 CLK Low Time VCC = 5V (Note 6) q 40 ns t5 CS/LD Pulse Width VCC = 5V (Note 6) q 50 ns t6 LSB CLK to CS/LD VCC = 5V (Note 6) q 40 ns t7 CS/LD Low to CLK VCC = 5V (Note 6) q 20 ns t8 DOUT Output Delay VCC = 5V, CLOAD = 15pF q 0 120 ns t9 CLK Low to CS/LD Low VCC = 5V (Note 6) q 20 ns Reference Output Reference Output Voltage q 2.036 2.048 2.060 V Reference Input Range (Notes 5, 6) 2.2 VCC/2 V Reference Output Tempco 5 ppm/ °C Reference Input Resistance REF Overdriven to 2.2V q 8.5 13 k Ω Reference Short-Circuit Current q 40 100 mA Reference Output Line Regulation VCC = 4.5V to 5.5V q ±1.5 mV/V Reference Load Regulation IOUT = 100µA q 0.5 mV Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: Nonlinearity is defined from code 128 to code 65535 (full scale). See Applications Information. Note 3: DAC switched between all 1s and code 400. Note 4: Digital inputs at 0V or VCC. Note 5: Reference can be overdriven (see Applications Information). Note 6: Guaranteed by design. Not subject to test. The q denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded, REF unloaded, TA = TMIN to TMAX, unless otherwise noted. |
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