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AD7303BRM датащи(PDF) 6 Page - Analog Devices |
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AD7303BRM датащи(HTML) 6 Page - Analog Devices |
6 / 16 page AD7303–Typical Performance Characteristics –6– REV. 0 VDD = +5V AND +3V INTERNAL REFERENCE TA = 25 C DAC LOADED WITH 00HEX SINK CURRENT – mA 800 0 08 24 6 720 400 249 160 80 640 560 320 480 Figure 3. Output Sink Current Capa- bility with VDD = 3 V and VDD = 5 V REFERENCE VOLTAGE – Volts 0.5 0 1 1.2 2.8 1.4 1.6 1.8 2.2 2.4 2.6 2 0.45 0.25 0.15 0.1 0.05 0.4 0.35 0.2 0.3 VDD = +5V TA = 25 C INL ERROR DNL ERROR Figure 6. Relative Accuracy vs. External Reference FREQUENCY – kHz 1 10 10000 100 1000 10 5 –40 0 –5 –10 –15 –20 –25 –30 –35 VDD = +5V TA = 25°C EXTERNAL SINE WAVE REFERENCE DAC REGISTER LOADED WITH FFHEX Figure 9. Large Scale Signal Frequency Response SOURCE CURRENT – mA 02 8 46 5 4.92 4.2 4.84 4.76 4.68 4.6 4.52 4.44 4.36 4.28 VDD = +5V TA = 25°C INTERNAL REFERENCE DAC REGISTER LOADED WITH FFHEX Figure 4. Output Source Current Capability with VDD = 5 V –60 –40 –20 0 20 40 60 80 100 120 140 TEMPERATURE – C 5 3.5 2 4.5 4 3 2.5 LOGIC INPUTS = VDD OR GND INTERNAL REFERENCE VDD = +5V LOGIC INPUTS = VIH OR VIL Figure 7. Supply Current vs. Temperature T SYNC VOUT VDD = +3V INTERNAL VOLTAGE REFERENCE FULL SCALE CODE CHANGE 00H-FFH TA = 25°C 1 3 2 VOUT CH1 5V, CH2 1V, CH3 20mV TIME BASE = 200ns/div Figure 10. Full-Scale Settling Time SOURCE CURRENT – mA 3.5 1 01 8 23 4567 3.25 2.5 2.25 1.75 1.25 3 2.75 2 1.5 VDD = +3V TA = 25°C INTERNAL REFERENCE DAC REGISTER LOADED WITH FFHEX Figure 5. Output Source Current Capability with VDD = 3 V VDD – Volts 5.5 1.5 5 3.5 3 2.5 2 4.5 4 2.5 3 5.5 3.5 4 4.5 5 LOGIC INPUTS = VDD OR GND LOGIC INPUTS = VIH OR VIL TA = 25°C INTERNAL REFERENCE Figure 8. Supply Current vs. Supply Voltage SYNC VOUT POWER UP TIME VDD = +5V INTERNAL REFERENCE BOTH DACS IN POWER DOWN INITIALLY 1 2 CH1 = 2V/div, CH2 = 5V/div, TIME BASE = 2µs/div Figure 11. Exiting Power-Down (Full Power-Down) |
Аналогичный номер детали - AD7303BRM |
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Аналогичное описание - AD7303BRM |
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