THS4509 Datasheet, PDF (9/42 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

THS4509
www.ti.com
SLOS454H – JANUARY 2005 – REVISED NOVEMBER 2009
TYPICAL CHARACTERISTICS: V_S+ – V_S– = 5 V
Test conditions at V_S+ = +2.5 V, V_S– = –2.5V, CM = open, V_O = 2 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.
SMALL-SIGNAL
FREQUENCY RESPONSE
22
20
G = 20 dB
18
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.
LARGE-SIGNAL FREQUENCY RESPONSE
22
G = 20 dB
20
VOD = 2 VPP
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.
HD₂ vs FREQUENCY
−60
G = 6 dB,
−70 ^{VOD = 2 VPP}
RL = 100 W
−80
−90
−100
−110
−120
1
RL = 200 W
RL = 1 kW
RL = 500 W
10
100
f − Frequency − MHz
Figure 3.
1000
HD₃ vs FREQUENCY
−60
G = 6 dB,
−70
V_OD = 2 V_PP
−80
−90
−100
R_L = 100 W
R_L = 1 kW
R_L = 500 W
−110
−120
1
R_L = 200 W
10
100
f − Frequency − MHz
Figure 4.
1000
HD₂ vs FREQUENCY
−60
G = 10 dB,
VOD = 2 VPP
−70
−80
RL = 200 W
RL = 100 W
−90
−100
RL = 1 kW
−110
−120
1
RL = 500 W
10
100
f − Frequency − MHz
Figure 5.
1000
HD₃ vs FREQUENCY
−60
G = 10 dB,
V_OD = 2 V_PP
−70
−80
−90
−100
−110
−120
1
R_L = 500 W
R_L = 1 kW
R_L = 100 W
R_L = 200 W
10
100
f − Frequency − MHz
Figure 6.
1000
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