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AD5308 Folha de dados(PDF) 3 Page - Analog Devices |
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AD5308 Folha de dados(HTML) 3 Page - Analog Devices |
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3 / 19 page  REV. B AD5308/AD5318/AD5328 –3– AC CHARACTERISTICS1 (VDD = 2.5 V to 5.5 V; RL = 2 k to GND; CL = 200 pF to GND; all specifications TMIN to TMAX, unless otherwise noted.) A, B Version 3 Parameter 2 Min Typ Max Unit Conditions/Comments Output Voltage Settling Time VREF = VDD = 5 V AD5308 6 8 µs 1/4 Scale to 3/4 Scale Change (0x40 to 0xC0) AD5318 7 9 µs 1/4 Scale to 3/4 Scale Change (0x100 to 0x300) AD5328 8 10 µs 1/4 Scale to 3/4 Scale Change (0x400 to 0xC00) Slew Rate 0.7 V/ µs Major-Code Change Glitch Energy 12 nV-s 1 LSB Change around Major Carry Digital Feedthrough 0.5 nV-s Digital Crosstalk 0.5 nV-s Analog Crosstalk 1 nV-s DAC-to-DAC Crosstalk 3 nV-s Multiplying Bandwidth 200 kHz VREF = 2 V ± 0.1 V p-p. Unbuffered Mode. Total Harmonic Distortion –70 dB VREF = 2.5 V ± 0.1 V p-p. Frequency = 10 kHz. NOTES 1Guaranteed by design and characterization; not production tested. 2See the Terminology section. 3Temperature range (A, B Version): –40 °C to +105°C; typical at +25°C. Specifications subject to change without notice. TIMING CHARACTERISTICS1, 2, 3 A, B Version Parameter Limit at TMIN, TMAX Unit Conditions/Comments t1 33 ns min SCLK Cycle Time t2 13 ns min SCLK High Time t3 13 ns min SCLK Low Time t4 13 ns min SYNC to SCLK Falling Edge Setup Time t5 5 ns min Data Setup Time t6 4.5 ns min Data Hold Time t7 0 ns min SCLK Falling Edge to SYNC Rising Edge t8 50 ns min Minimum SYNC High Time t9 20 ns min LDAC Pulsewidth t10 20 ns min SCLK Falling Edge to LDAC Rising Edge t11 0 ns min SCLK Falling Edge to LDAC Falling Edge NOTES 1Guaranteed by design and characterization; not production tested. 2All input signals are specified with tr = tf = 5 ns (10% to 90% of V DD) and timed from a voltage level of (V IL + VIH)/2. 3See Figures 2 and 3. Specifications subject to change without notice. SCLK SYNC DIN DB15 DB0 LDAC1 LDAC2 NOTES 1 ASYNCHRONOUS LDAC UPDATE MODE 2 SYNCHRONOUS LDAC UPDATE MODE t1 t2 t8 t3 t4 t5 t6 t9 t11 t7 t10 Figure 1. Serial Interface Timing Diagram |
Nº de peça semelhante - AD5308 |
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Descrição semelhante - AD5308 |
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