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ADN2855ACPZ-R7 Datasheet(PDF) 4 Page - Analog Devices |
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ADN2855ACPZ-R7 Datasheet(HTML) 4 Page - Analog Devices |
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4 / 20 page ![]() ADN2855 Data Sheet Rev. B | Page 4 of 20 OUTPUT AND TIMING SPECIFICATIONS Table 3. Parameter Symbol Conditions Min Typ Max Unit LVDS OUPUT CHARACTERISTICS CLKOUTP/CLKOUTN, DATxP/DATxN Differential Output Swing VDIFF See Figure 3 260 320 400 mV Output High Voltage VOH 1475 mV Output Low Voltage VOL 925 mV Output Offset Voltage VOS 1125 1200 1275 mV Output Impedance Differential 100 Ω LVDS Outputs Timing Rise Time 20% to 80% 115 220 ps Fall Time 80% to 20% 115 220 ps Setup Time tS 0.5 − 20% 0.5 UI Hold Time tH 0.5 − 20% 0.5 UI I2C INTERFACE DC CHARACTERISTICS (SCK, SDA) LVCMOS Input High Voltage VIH 0.7 VCC V Input Low Voltage VIL 0.3 VCC V Input Current VIN = 0.1 VCC or VIN = 0.9 VCC −10.0 +10.0 µA Output Low Voltage VOL IOL = 3.0 mA 0.4 V I2C INTERFACE TIMING SCK Clock Frequency 400 kHz SCK Pulse Width High tHIGH 600 ns SCK Pulse Width Low tLOW 1300 ns Start Condition Hold Time tHD;STA 600 ns Start Condition Setup Time tSU;STA 600 ns Data Setup Time tSU;DAT 100 ns Data Hold Time tHD;DAT 300 ns SCK and SDA Rise/Fall Time tR/tF 20 + 0.1 Cb1 300 ns Stop Condition Setup Time tSU;STO 600 ns Bus Free Time between a Stop and a Start tBUF 1300 ns REFCLK CHARACTERISTICS At REFCLKP or REFCLKN Input Voltage Range VIL 0 V VIH VCC V Minimum Differential Input Drive 100 mV p-p Reference Frequency 10 155.52 200 MHz Required Accuracy 0 ppm LVTTL DC INPUT CHARACTERISTICS (SQUELCH, SADDR[2:1], RESET) Input High Voltage VIH 2.0 V Input Low Voltage VIL 0.8 V Input High Current IIH VIN = 2.4 V 5 µA Input Low Current IIL VIN = 0.4 V −5 µA LVTTL DC OUTPUT CHARACTERISTICS ( DATAV) Output High Voltage VOH IOH = −2.0 mA 2.4 V Output Low Voltage VOL IOL = 2.0 mA 0.4 V 1 Cb = total board capacitance of one bus line in picofarads (pF). If mixed with high speed class of I2C devices, faster fall times are allowed. |
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