THS4120 Datasheet, PDF (9/23 Pages) Texas Instruments – HIGH-SPEED FULLY DIFFERENTIAL I/O AMPLIFIERS

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THS4121
COMMON-MODE REJECTION RATIO
vs
FREQUENCY
−50
V_DD = 3.3 V,
R_f = 1 kΩ,
−60 ^{RL = 800 Ω,}
G=1
−70
THS4120
THS4121
SLOS319D – FEBRUARY 2001 – REVISED OCTOBER 2004
1000
THS4121
SINGLE-ENDED OUTPUT IMPEDANCE
vs
FREQUENCY
V_DD = 3.3 V,
V_I = 5 dBm
G=1
100
−80
−90
10
−100
−110
100 k
1M
10 M
f − Frequency − Hz
Figure 15.
100 M
1
100 k
1M
10 M
f − Frequency − Hz
Figure 16.
1M
100 k
THS4121
SINGLE-ENDED (V_OCM) INPUT IMPEDANCE
vs
FREQUENCY
V_DD = 3.3 V,
V_I = −0.071 V_(RMS)
100 M
10 k
1k
100
10
100 k
1M
10 M
100 M
1G
f − Frequency − Hz
Figure 17.
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