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LTC1667IG Datasheet(PDF) 4 Page - Linear Technology |
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LTC1667IG Datasheet(HTML) 4 Page - Linear Technology |
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4 / 24 page  4 LTC1666/LTC1667/LTC1668 The q denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VDD = 5V, VSS = – 5V, LADCOM = AGND = DGND = 0V, IOUTFS = 10mA. ELECTRICAL CHARACTERISTICS LTC1666/LTC1667/LTC1668 SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Analog Output IOUTFS Full-Scale Output Current q 110 mA Output Compliance Range IFS = 10mA q –1 1 V Output Resistance; RIOUT A, RIOUT B IOUT A, B to LADCOM q 0.7 1.1 1.5 k Ω Output Capacitance 5pF Reference Output Reference Voltage REFOUT Tied to IREFIN Through 2kΩ 2.475 2.5 2.525 V Reference Output Drift 25 ppm/ °C Reference Output Load Regulation ILOAD = 0mA to 5mA 6 mV/mA Reference Input Reference Small-Signal Bandwidth IFS = 10mA, CCOMP1 = 0.1µF 20 kHz Power Supply VDD Positive Supply Voltage q 4.75 5 5.25 V VSS Negative Supply Voltage q –4.75 –5 –5.25 V IDD Positive Supply Current IFS = 10mA, fCLK = 25Msps, fOUT = 1MHz q 35 mA ISS Negative Supply Current IFS = 10mA, fCLK = 25Msps, fOUT = 1MHz q 33 40 mA PDIS Power Dissipation IFS = 10mA, fCLK = 25Msps, fOUT = 1MHz 180 mW IFS = 1mA, fCLK = 25Msps, fOUT = 1MHz 85 mW Dynamic Performance (Differential Transformer Coupled Output, 50 Ω Double Terminated, Unless Otherwise Noted) fCLOCK Maximum Update Rate q 50 75 Msps tS Output Settling Time To 0.1% FSR 20 ns tPD Output Propagation Delay 8ns Glitch Impulse Single Ended 15 pV-s Differential 5 pV-s tr Output Rise Time 4ns tf Output Fall Time 4ns iNO Output Noise 50 pA/ √Hz Digital Inputs VIH Digital High Input Voltage q 2.4 V VIL Digital Low Input Voltage q 0.8 V IIN Digital Input Current q ±10 µA CIN Digital Input Capacitance 5pF tDS Input Setup Time q 8ns tDH Input Hold Time q 4ns tCLKH Clock High Time q 5ns tCLKL Clock Low Time q 8ns Note 1: Absolute Maximum Ratings are those values beyond which the life of the device may be impaired. Note 2: For the LTC1666, ±1LSB = ±0.024% of full scale; for the LTC1667, ±1LSB = ±0.006% of full scale = ±61ppm of full scale; for the LTC1668, ±1LSB = ±0.0015% of full scale = ±15.3ppm of full scale. |
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Similar Description - LTC1667IG |
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