THS4511 Datasheet, PDF (7/25 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

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SMALL-SIGNAL FREQUENCY RESPONSE
5
V_O = 100 mV_PP
4 _{G = 0 dB}
3
2
R_L = 1 kΩ
R_L = 500 Ω
R_L = 200 Ω
1
0
−1
R_L = 100 Ω
−2
−3
−4
−5
−6
10
100
1000
f− Frequency −MHz
10000
Figure 1.
LARGE SIGNAL FREQUENCY RESPONSE
4
V_O = 2 V_PP
3 G = 0 dB
2
R_L = 1 kΩ
R_L = 500 Ω
1
0
−1
R_L = 100 Ω
R_L = 200 Ω
−2
−3
−4
−5
−6
10
100
1000
f− Frequency −MHz
Figure 3.
10000
−60
V_O = 2 V_PP
G = 0 dB
−70
HD₂ vs Frequency
−80
−90
−100
−110
−120
1
R_L = 1 kΩ
R_L = 100 Ω
R_L = 500 Ω
R_L = 200 Ω
10
100
f − Frequency − MHz
Figure 5.
1000
THS4511
SLOS471 – SEPTEMBER 2005
SMALL-SIGNAL FREQUENCY RESPONSE
7
V_O = 100 mV_PP
6
G = 6 dB
5
R_L = 1 kΩ
R_L = 500 Ω
4
R_L = 200 Ω
3
R_L = 100 Ω
2
1
0
10
100
1000
f− Frequency −MHz
10000
Figure 2.
LARGE SIGNAL FREQUENCY RESPONSE
8
V_O = 2 V_PP
7 ^{G = 6 dB}
6
5
R_L = 1 kΩ
R_L = 500 Ω
4
3
R_L = 200 Ω
2
R_L = 100 Ω
1
0
10
100
1000
10000
f− Frequency −MHz
Figure 4.
−70
V_O = 2 V_PP
G = 0 dB
−80
HD₃ vs Frequency
−90
−100
−110 ₁
R_L = 1kΩ
R_L = 200 Ω
R_L = 500 Ω
R_L = 100 Ω
10
100
f − Frequency − MHz
Figure 6.
1000
7