THS4509 Datasheet, PDF (18/30 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509
SLOS454 – JANUARY 2005
OUTPUT BALANCE ERROR
vs
FREQUENCY
10
0
−10
−20
−30
−40
−50
−60
0.1
1
10
100
f − Frequency − MHz
Figure 69.
1000
CM INPUT IMPEDANCE
vs
FREQUENCY
100
10
1
0.1
0.01
0.1
1
10
100
f − Frequency − MHz
Figure 72.
1000
NOISE FIGURE
vs
FREQUENCY
20
19
Gain = 6 dB
18
50−Ω System
17
Gain = 10 dB
16
15
Gain = 14 dB
14
13
12
11 ^{Gain = 20 dB}
10
0
50
100
150
200
f − Frequency − MHz
Figure 70.
DIFFERENTIAL OUTPUT OFFSET
VOLTAGE
vs
CM INPUT VOLTAGE
5
4
3
2
1
0
−1
−1.5 −1 −0.5 0
0.5 1
1.5
CM Input Voltage − V
Figure 73.
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CM SMALL SIGNAL
FREQUENCY RESPONSE
5
4
100 mV_PP
3
2
1
0
−1
−2
−3
−4
−5
−6
0.1
1
10
100
f − Frequency − MHz
1000
Figure 71.
OUTPUT COMMON-MODE OFFSET
vs
CM INPUT VOLTAGE
50
40
30
20
10
0
−10
−20
−30
−40
−50
−1.5 −1 −0.5 0
0.5 1
1.5
CM Input Voltage − V
Figure 74.
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