THS4509 Datasheet, PDF (9/30 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

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THS4509
SLOS454 – JANUARY 2005
SMALL-SIGNAL
FREQUNECY RESPONSE
22
20
18
G = 20 dB
V_OD = 100 mV_PP
16
G = 14 dB
14
12
G = 10 dB
10
8
G = 6 dB
6
4
2
0
0.1
1
10
100 1000 10000
f - Frequency - MHz
Figure 1.
HD₂
vs
FREQUENCY
−60
G = 6 dB,
V_OD = 2 V_PP
−70
R_L = 100 Ω
−80
−90
−100
R_L = 200 Ω
R_L = 1 kΩ
−110
−120
1
R_L = 500 Ω
10
100
f − Frequency − MHz
Figure 4.
1000
HD₃
vs
FREQUENCY
−60
G = 10 dB,
V_OD = 2 V_PP
−70
−80
−90
−100
−110
−120
1
R_L = 500 Ω
R_L = 1 kΩ
R_L = 100 Ω
R_L = 200 Ω
10
100
f − Frequency − MHz
Figure 7.
1000
LARGE-SIGNAL
FREQUNECY RESPONSE
22
G = 20 dB
20
V_OD = 2 V_PP
18
16
G = 14 dB
14
12
G = 10 dB
10
8
G = 6 dB
6
4
2
0
0.1
1
10 100 1000 10000
f − Frequency − MHz
Figure 2.
HD₃
vs
FREQUENCY
−60
G = 6 dB,
−70
V_OD = 2 V_PP
−80
−90
R_L = 100 Ω
−100
R_L = 1 kΩ
R_L = 500 Ω
−110
R_L = 200 Ω
−120
1
10
100
f − Frequency − MHz
Figure 5.
1000
HD₂
vs
FREQUENCY
−60
G = 14 dB,
V_OD = 2 V_PP
−70
R_L = 100 Ω
−80
R_L = 200 Ω
−90
R_L = 500 Ω
−100
−110
−120
1
R_L = 1 kΩ
10
100
f − Frequency − MHz
Figure 8.
1000
0.1-dB FLATNESS
10.2
V_OD = 2 V_PP
10.1
10
9.9
9.8
0.1
1
10
100
f − Frequency − MHz
Figure 3.
1000
HD₂
vs
FREQUENCY
−60
G = 10 dB,
V_OD = 2 V_PP
−70
−80
R_L = 200 Ω
−90
R_L = 100 Ω
−100
R_L = 1 kΩ
−110
−120
1
R_L = 500 Ω
10
100
f − Frequency − MHz
Figure 6.
1000
HD₃
vs
FREQUENCY
−60
G = 14 dB,
V_OD = 2 V_PP
−70
−80
−90
−100
R_L = 100 Ω
R_L = 1 kΩ
R_L = 200 Ω
−110
R_L = 500 Ω
−120
1
10
100
f − Frequency − MHz
Figure 9.
1000
9