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ADATE305 датащи(PDF) 42 Page - Analog Devices |
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ADATE305 датащи(HTML) 42 Page - Analog Devices |
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42 / 56 page ![]() ADATE305 Rev. 0 | Page 42 of 56 USER INFORMATION Table 29. Driver and Load Truth Table1 Registers Signals Driver State Load State PE Disable DATA[0] ADDR[4:0] = 0x0C Force VT DATA[1] ADDR[4:0] = 0x0C Load Enable DATA[1] ADDR[4:0] = 0x0D Driver High-Z/VT DATA[0] ADDR[4:0] = 0x0D DATAx RCVx 1 X X X X X High-Z without clamps Power-down 0 1 X X X X VT Power-down 0 0 0 0 0 0 VL Power-down 0 0 0 0 0 1 High-Z with clamps Power-down 0 0 0 0 1 0 VH Power-down 0 0 0 0 1 1 High-Z with clamps Power-down 0 0 0 1 0 0 VL Power-down 0 0 0 1 0 1 VT Power-down 0 0 0 1 1 0 VH Power-down 0 0 0 1 1 1 VT Power-down 0 0 1 0 0 0 VL Active off 0 0 1 0 0 1 High-Z with clamps Active on 0 0 1 0 1 0 VH Active off 0 0 1 0 1 1 High-Z with clamps Active on 0 0 1 1 0 0 VL Active on 0 0 1 1 0 1 High-Z with clamps Active on 0 0 1 1 1 0 VH Active on 0 0 1 1 1 1 High-Z with clamps Active on 1 X = don’t care. Table 30. HVOUT Truth Table1 HVOUT Mode Select DATA[2] ADDR[4:0] =0x0D Channel 0 RCV Channel 0 DATA HVOUT Driver Output 1 1 X VHH mode; VHH = (VT + 1 V) × 2 + DUTGND (Channel 0 VT DAC) 1 0 0 VL (Channel 0 VL DAC) 1 0 1 VH (Channel 0 VH DAC) 0 X X Disabled (HVOUT pin set to 0 V low impedance) 1 X = don’t care. Table 31. Comparator Truth Table Differential Comparator Enable DATA[0] ADDR[4:0] = 0x10 COMP_QH0 COMP_QL0 COMP_QH1 COMP_QL1 0 Normal window mode Normal window mode Normal window mode Normal window mode Logic high: VOH0 < VDUT0 Logic high: VOL0 < VDUT0 Logic high: VOH1 < VDUT1 Logic high: VOL1 < VDUT1 Logic low: VOH0 > VDUT0 Logic low: VOL0 > VDUT0 Logic low: VOH1 > VDUT1 Logic low: VOL1 > VDUT1 1 Differential comparator mode Differential comparator mode Normal window mode Normal window mode Logic high: VOH0 < VDUT0 − VDUT1 Logic high: VOL0 < VDUT0 − VDUT1 Logic high: VOH1 < VDUT1 Logic high: VOL1 < VDUT1 Logic low: VOH0 > VDUT0 − VDUT1 Logic low: VOL0 > VDUT0 − VDUT1 Logic low: VOH1 > VDUT1 Logic low: VOL1 > VDUT1 |
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