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LTC2634-HZ12 Datasheet(PDF) 9 Page - Linear Technology |
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LTC2634-HZ12 Datasheet(HTML) 9 Page - Linear Technology |
9 / 30 page LTC2634 9 2634fb ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VCC = 4.5V to 5.5V, VOUT unloaded unless otherwise specified. LTC2634-HMI12/-HMI10/-HMI8/-HMX12/-HMX10/-HMX8/-HZ12/-HZ10/-HZ8 (VFS = 4.096V) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Reference Input VREF Input Voltage Range l 1VCC V Resistance l 120 160 200 kΩ Capacitance 14 pF IREF Reference Current, Power-Down Mode DAC Powered Down l 0.005 1.5 μA Reference Output Output Voltage l 2.032 2.048 2.064 V Reference Temperature Coefficient ±10 ppm/°C Output Impedance 0.5 kΩ Capacitive Load Driving 10 μF Short-Circuit Current VCC = 5.5V, REF Shorted to GND 4 mA Digital I/O VIH Digital Input High Voltage l 2.4 V VIL Digital Input Low Voltage l 0.8 V VOH Digital Output High Voltage Load Current = –100μA l VCC – 0.4 V VOL Digital Output Low Voltage Load Current = 100μA l 0.4 V ILK Digital Input Leakage VIN = GND to VCC l ±1 μA CIN Digital Input Capacitance (Note 8) l 2.5 pF AC Performance tS Settling Time VCC = 5V (Note 9) ±0.39% (±1LSB at 8 Bits) ±0.098% (±1LSB at 10 Bits) ±0.024% (±1LSB at 12 Bits) 3.8 4.2 4.8 μs μs μs Voltage Output Slew Rate 1.0 V/μs Capacitive Load Driving 500 pF Glitch Impulse At Mid-Scale Transition 3.0 nV•s DAC-to-DAC Crosstalk 1 DAC Held at FS, 1 DAC Switch 0 – FS 2.4 nV•s Multiplying Bandwidth External Reference 320 kHz en Output Voltage Noise Density At f = 1kHz, External Reference At f = 10kHz, External Reference At f = 1kHz, Internal Reference At f = 10kHz, Internal Reference 180 160 250 230 nV/√Hz nV/√Hz nV/√Hz nV/√Hz Output Voltage Noise 0.1Hz to 10Hz, External Reference 0.1Hz to 10Hz, Internal Reference 0.1Hz to 200kHz, External Reference 0.1Hz to 200kHz, Internal Reference CREF = 0.1μF 35 50 680 750 μVP-P μVP-P μVP-P μVP-P |
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