Datasheet

Data Sheet ADN2812
Rev. E | Page 5 of 28
OUTPUT AND TIMING SPECIFICATIONS
Table 3.
Parameter Conditions Min Typ Max Unit
CML OUPUT CHARACTERISTICS
(CLKOUTP/CLKOUTN, DATAOUTP/DATAOUTN)
Single-Ended Output Swing V
SE
(see Figure 3) 300 350 600 mV
Differential Output Swing V
DIFF
(see Figure 3) 600 700 1200 mV
Output High Voltage V
OH
VCC V
Output Low Voltage V
OL
VCC − 0.6 VCC − 0.35 VCC − 0.3 V
CML Outputs Timing
Rise Time 20% to 80% 95 112 ps
Fall Time 80% to 20% 95 123 ps
Setup Time t
S
(see Figure 2), OC-48 150 200 250 ps
Hold Time t
H
(see Figure 2), OC-48 150 200 250 ps
I
2
C® INTERFACE DC CHARACTERISTICS LVCMOS
Input High Voltage V
IH
0.7 VCC V
Input Low Voltage V
IL
0.3 VCC V
Input Current
V
IN
= 0.1 VCC or V
IN
= 0.9 VCC
−10.0
+10.0
µA
Output Low Voltage V
OL
, I
OL
= 3.0 mA 0.4 V
I
2
C INTERFACE TIMING See Figure 11
SCK Clock Frequency 400 kHz
SCK Pulse Width High t
HIGH
600 ns
SCK Pulse Width Low t
LOW
1300 ns
Start Condition Hold Time t
HD;STA
600 ns
Start Condition Setup Time t
SU;STA
600 ns
Data Setup Time t
SU;DAT
100 ns
Data Hold Time t
HD ;DAT
300 ns
SCK/SDA Rise/Fall Time t
R
/t
F
20 + 0.1 Cb
1
300 ns
Stop Condition Setup Time t
SU;STO
600 ns
Bus Free Time Between a Stop and a Start t
BUF
1300 ns
REFCLK CHARACTERISTICS Optional lock to REFCLK mode
Input Voltage Range @ REFCLKP or REFCLKN
V
IL
0 V
V
IH
VCC V
Minimum Differential Input Drive 100 mV p-p
Reference Frequency 12.3 200 MHz
Required Accuracy 100 ppm
LVTTL DC INPUT CHARACTERISTICS
Input High Voltage V
IH
2.0 V
Input Low Voltage V
IL
0.8 V
Input High Current I
IH
, V
IN
= 2.4 V 5 µA
Input Low Current I
IL
, V
IN
= 0.4 V −5 µA
LVTTL DC OUTPUT CHARACTERISTICS
Output High Voltage V
OH
, I
OH
= −2.0 mA 2.4 V
Output Low Voltage
V
OL
, I
OL
= +2.0 mA
0.4
V
1
Cb = total capacitance of one bus line in pF. If mixed with HS mode devices, faster fall-times are allowed (see Table 6).