Datasheet

− DifferentialOuputV
oltage-V
V
OD
PowerDownInput
− V
0
0.2
0.4
0.6
0.8
1
0
0.5
1
1.5
2
2.5
3
t – Time 2 s/divm–
PD
Output
f − Frequency− MHz
− OutputImpedance −Z
o
Ω
0.1
1
10
100
0.1 1 10
100
1000
t − Time − 50ns/div
PowerDownInput
− V
0
0.2
0.4
0.6
0.8
1
1.2
0
0.5
1
1.5
2
2.5
3
V - -DifferentialOutputVoltage V
OD
PD
O u t p ut
OutputBalanceError − dB
f − Frequency − MHz
−60
−50
−40
−30
−20
−10
0
10
0.1
1
10 100 1000
10
11
12
13
14
15
16
17
18
19
20
0 50 100 150 200
f − Frequency − MHz
NF − NoiseFigure − dB
50- SystemW
Gain=6dB
Gain=10dB
Gain=14dB
Gain=20dB
CMInputImpedance − k
Ω
f − Frequency − MHz
0.01
0.1
1
10
100
0.1 1 10
100
1000
THS4509
SLOS454H –JANUARY 2005–REVISED NOVEMBER 2009 www.ti.com
TYPICAL CHARACTERISTICS: V
S+
– V
S–
= 3 V (continued)
Test conditions at V
S+
= +1.5 V, V
S–
= –1.5 V, CM = open, V
OD
= 1 V
PP
, R
F
= 349 Ω, R
L
= 200-Ω differential, G = 10 dB,
single-ended input, and input and output referenced to midrail, unless otherwise noted.
OUTPUT IMPEDANCE vs FREQUENCY TURN-OFF TIME
Figure 68. Figure 69.
TURN-ON TIME OUTPUT BALANCE ERROR vs FREQUENCY
Figure 70. Figure 71.
NOISE FIGURE vs FREQUENCY CM INPUT IMPEDANCE vs FREQUENCY
Figure 72. Figure 73.
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