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AD8155ACPZ-R7 数据表(PDF) 28 Page - Analog Devices |
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AD8155ACPZ-R7 数据表(HTML) 28 Page - Analog Devices |
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28 / 36 page ![]() AD8155 Rev. 0 | Page 28 of 36 SIGNAL LEVELS AND COMMON-MODE SHIFT FOR AC-COUPLED AND DC-COUPLED OUTPUTS Table 19. Output Voltage Range and Output Common-Mode Shift vs. Output Level and PE Setting Output Levels and PE Boost Register Setting Output Current AC-Coupled Transmitter DC-Coupled Transmitter VCC = VTTO = 3.3 V VCC = VTTO = 1.8 V VCC = VTTO = 3.3 V VCC = VTTO = 1.8 V VSW-DC1 (mV) VSW-PE1 (mV) PE Boost (%) PE (dB) TX[A/B/C] Level/PE Control2 ITTO1 (mA) ΔVOCM1 (mV) VH-PE1 (V) VL-PE1 (V) VH-PE1 (V) VL-PE1 (V) ΔVOCM1 (mV) VH-PE1 (V) VL-PE1 (V) VH-PE1 (V) VL-PE1 (V) 200 200 0.00 0.00 0x00 8 200 3.2 3 1.7 1.5 100 3.3 3.1 1.8 1.6 200 300 50.00 3.52 0x01 12 300 3.15 2.85 1.65 1.35 150 3.3 3 1.8 1.5 200 400 100.00 6.02 0x02 16 400 3.1 2.7 1.6 1.2 200 3.3 2.9 1.8 1.4 200 500 150.00 7.96 0x03 20 500 3.05 2.55 1.55 1.05 250 3.3 2.8 1.8 1.3 200 600 200.00 9.54 0x04 24 600 3 2.4 1.5 0.9 300 3.3 2.7 1.8 1.2 200 700 250.00 10.88 0x05 28 700 2.95 2.25 1.45 0.75 350 3.3 2.6 1.8 1.1 200 800 300.00 12.04 0x06 32 800 2.9 2.1 1.4 0.6 400 3.3 2.5 1.8 1 300 300 0.00 0.00 0x10 12 300 3.15 2.85 1.65 1.35 150 3.3 3 1.8 1.5 300 400 33.33 2.50 0x11 16 400 3.1 2.7 1.6 1.2 200 3.3 2.9 1.8 1.4 300 500 66.67 4.44 0x12 20 500 3.05 2.55 1.55 1.05 250 3.3 2.8 1.8 1.3 300 600 100.00 6.02 0x13 24 600 3 2.4 1.5 0.9 300 3.3 2.7 1.8 1.2 300 700 133.33 7.36 0x14 28 700 2.95 2.25 1.45 0.75 350 3.3 2.6 1.8 1.1 300 800 166.67 8.52 0x15 32 800 2.9 2.1 1.4 0.6 400 3.3 2.5 1.8 1 300 900 200.00 9.54 0x16 36 900 2.85 1.95 1.35 0.45 450 3.3 2.4 1.8 0.9 400 400 0.00 0.00 0x20 16 400 3.1 2.7 1.6 1.2 200 3.3 2.9 1.8 1.4 400 500 25.00 1.94 0x21 20 500 3.05 2.55 1.55 1.05 250 3.3 2.8 1.8 1.3 400 600 50.00 3.52 0x22 24 600 3 2.4 1.5 0.9 300 3.3 2.7 1.8 1.2 400 700 75.00 4.86 0x23 28 700 2.95 2.25 1.45 0.75 350 3.3 2.6 1.8 1.1 400 800 100.00 6.02 0x24 32 800 2.9 2.13 1.4 0.6 400 3.3 2.5 1.8 1 400 900 125.00 7.04 0x25 36 900 2.85 1.954 1.35 0.45 450 3.3 2.4 1.8 0.9 400 1000 150.00 7.96 0x26 40 1000 2.8 1.84 1.3 0.3 500 3.3 2.3 1.8 0.8 600 600 0.00 0.00 0x30 24 600 3 2.4 1.5 0.9 300 3.3 2.7 1.8 1.2 600 700 16.67 1.34 0x31 28 700 2.95 2.25 1.45 0.75 350 3.3 2.6 1.8 1.1 600 800 33.33 2.50 0x32 32 800 2.9 2.13 1.4 0.65 400 3.3 2.5 1.8 1 600 900 50.00 3.52 0x33 36 900 2.85 1.954 1.35 0.454 450 3.3 2.4 1.8 0.9 600 1000 66.67 4.44 0x34 40 1000 2.8 1.84 1.3 0.34 500 3.3 2.3 1.8 0.8 600 1100 83.33 5.26 0x35 44 1100 2.75 1.654 1.25 0.154 550 3.3 2.2 1.8 0.7 600 1200 100.00 6.02 0x36 48 1200 2.7 1.54 1.2 04 600 3.3 2.13 1.8 0.65 1 Symbol definitions are shown in Table 20. 2 TX[A/B/C] level/PE control registers are port level control registers at Address 0x49, Address 0x89, and Address 0xC9. Per-lane level and PE control are in separate registers. 3 This setting requires TX_HEADROOM = 1 to ensure adequate output compliance. 4 This setting is not recommended for ac-coupled outputs because the theoretical output low level is below the minimum output voltage limit listed in Table 1. 5 This setting is not recommended because the output level is below the minimum output voltage limit listed in Table 1. Use VCC = 2.5 V and TX_HEADROOM = 1. |
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