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AD5424 数据表(PDF) 2 Page - Analog Devices |
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AD5424 数据表(HTML) 2 Page - Analog Devices |
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2 / 24 page  REV. 0 –2– AD5424/AD5433/AD5445–SPECIFICATIONS1 Parameter Min Typ Max Unit Conditions STATIC PERFORMANCE AD5424 Resolution 8 Bits Relative Accuracy ±0.25 LSB Differential Nonlinearity ±0.5 LSB Guaranteed monotonic AD5433 Resolution 10 Bits Relative Accuracy ±0.5 LSB Differential Nonlinearity ±1 LSB Guaranteed monotonic AD5445 Resolution 12 Bits Relative Accuracy ±1 LSB Differential Nonlinearity –1/+2 LSB Guaranteed monotonic Gain Error ±10 mV Gain Error Temperature Coefficient 2 ±5 ppm FSR/ C Output Leakage Current 2 ±10 nA Data = 0x0000, TA = 25 C, IOUT1 ±20 nA Data = 0x0000, IOUT1 REFERENCE INPUT 2 Reference Input Range ±10 V VREF Input Resistance 8 10 12 k Ω Input resistance TC = –50 ppm/ C RFB Resistance 8 10 12 k Ω Input resistance TC = –50 ppm/ C Input Capacitance Code 0 3 6 pF Code 4095 5 8 pF DIGITAL INPUTS/OUTPUT 2 Input High Voltage, VIH 1.7 V Input Low Voltage, VIL 0.6 V Input Leakage Current, IIL 1 A Input Capacitance 4 10 pF VDD = 4.5 V to 5.5 V Output Low Voltage, VOL 0.4 V ISINK = 200 µA Output High Voltage, VOH VDD – 1 V ISOURCE = 200 µA VDD = 2.5 V to 3.6 V Output Low Voltage, VOL 0.4 V ISINK = 200 µA Output High Voltage, VOH VDD – 0.5 V ISOURCE = 200 µA DYNAMIC PERFORMANCE 2 Reference Multiplying Bandwidth 10 MHz VREF = ±3.5 V; DAC loaded all 1s Output Voltage Settling Time VREF = 10 V, RLOAD = 100 Ω, C LOAD = 15 pF AD5424 30 60 ns Measured to ±16 mV of full scale AD5433 35 70 ns Measured to ±4 mV of full scale AD5445 80 120 ns Measured to ±1 mV of full scale Digital Delay 20 40 ns Interface delay time 10% to 90% Settling Time 15 30 ns Rise and Fall time, VREF = 10 V, RLOAD = 100 Ω Digital to Analog Glitch Impulse 2 nV-s 1 LSB change around major carry, VREF = 0 V Multiplying Feedthrough Error DAC latch loaded with all 0s. VREF = ±3.5 V 70 dB Reference = 1 MHz 48 dB Reference = 10 MHz (VDD = 2.5 V to 5.5 V, VREF = 10 V, IOUT2 = O V. All specifications TMIN to TMAX, unless otherwise noted. DC performance measured with OP1177, AC performance with AD8038, unless otherwise noted.) |
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