100
90
80
70
60
50
40
30
20
10
0
550 570 590 610 630 650 670 690 710 730
PROPAGATION DELAY – ps
TPC 19. Variation in Channel-to-Channel Delay,
All 561 Points
100
90
80
70
2.5Gb/s
60
50
3.2Gb/s
40
30
20
10
0
5
10
15
20
25
OUTPUT CURRENT – mA
TPC 20. Jitter vs. IOUT, PRBS 23
AD8151
200
150
100
50
0
–50
–100
–150
–200
–100 –80
–60 –40 –20 0 20 40 60
NORMALIZED TEMPERATURE – ؇C
80 100
TPC 21. Propagation Delay, Normalized at 25°C vs.
Temperature
VCC
VCC
VTT
PRBS
GENERATOR
DATA OUT
DATA OUT
1.65k⍀
–6dB
105⍀
–6dB
AD8151
P
P
IN OUT
N
N
49.9⍀
HIGH-SPEED
SAMPLING
OSCILLOSCOPE
50⍀
50⍀
1.65k⍀
49.9⍀
VEE
VEE
VTT
VCC = 0V, VEE = –3.3V, VTT = –1.6V, VDD = 5V, VSS = 0V
RSET = 1.54k⍀, IOUT = 16mA, VOH = –0.8V, VOL = –1.2V
VIN = 0.8V p-p EXCEPT AS NOTED
TPC 22. Test Circuit
REV. 0
–11–