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LTC1665 Datasheet(PDF) 3 Page - Linear Technology |
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LTC1665 Datasheet(HTML) 3 Page - Linear Technology |
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3 / 18 page  LTC1665/LTC1660 3 166560fa ELECTRICAL CHARACTERISTICS The l denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VREF ≤ VCC, VOUT unloaded, unless otherwise noted. The l denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 2.7V to 5.5V, VREF ≤ VCC, VOUT unloaded, unless otherwise noted. SYMBOL PARAMETER CONDITIONS LTC1665 LTC1660 UNITS MIN TYP MAX MIN TYP MAX Accuracy Resolution l 8 10 Bits Monotonicity VREF ≤ VCC – 0.1V (Note 2) l 8 10 Bits DNL Differential Nonlinearity VREF ≤ VCC – 0.1V (Note 2) l ± 0.1 ±0.5 ±0.2 ±0.75 LSB INL Integral Nonlinearity VREF ≤ VCC – 0.1V (Note 2) l ±0.2 ±1.0 ±0.6 ±2.5 LSB VOS Offset Error (Note 7) l ±10 ±30 ±10 ±30 mV VOS Temperature Coefficient l ±15 ±15 μV/°C FSE Full-Scale Error VCC = 5V, VREF = 4.096V l ±1 ±4 ±3 ±15 LSB Full-Scale Error Temperature Coefficient l ±30 ±30 μV/°C PSR Power Supply Rejection VREF = 2.5V 0.045 0.18 LSB/V SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Reference Input Input Voltage Range l 0VCC V Resistance Not in Sleep Mode l 35 65 kΩ Capacitance (Note 6) 15 pF IREF Reference Current Sleep Mode l 0.001 1 μA Power Supply VCC Positive Supply Voltage For Specified Performance l 2.7 5.5 V ICC Supply Current VCC = 5V (Note 3) VCC = 3V (Note 3) Sleep Mode (Note 3) l l l 450 340 1 730 530 3 μA μA μA DC Performance Short-Circuit Current Low VOUT = 0V, VCC = 5.5V, VREF = 5.1V, Code = Full Scale l 10 30 100 mA Short-Circuit Current High VOUT = VCC = 5.5V, VREF = 5.1V, Code = 0 l 10 27 120 mA AC Performance Voltage Output Slew Rate Rising (Notes 4, 5) Falling (Notes 4, 5) 0.60 0.25 V/μs V/μs Voltage Output Settling Time To ±0.5LSB (Notes 4, 5) 30 μs Capacitive Load Driving 1000 pF Digital I/O VIH Digital Input High Voltage VCC = 2.7V to 5.5V VCC = 2.7V to 3.6V l l 2.4 2.0 V V VIL Digital Input Low Voltage VCC = 4.5V to 5.5V VCC = 2.7V to 5.5V l l 0.8 0.6 V V VOH Digital Output High Voltage IOUT = –1mA, DOUT Only l VCC – 1 V VOL Digital Output Low Voltage IOUT = 1mA, DOUT Only l 0.4 V ILK Digital Input Leakage VIN = GND to VCC l ±10 μA CIN Digital Input Capacitance (Note 6) l 10 pF |
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