THS4520 Datasheet, PDF (12/23 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER WITH RAIL-TO-RAIL OUTPUTS

THS4520
SLOS503A – SEPTEMBER 2006 – REVISED OCTOBER 2006
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TYPICAL AC PERFORMANCE: V_S+– V_S– = 3.3 V
Test conditions unless otherwise noted: V_S+ = 1.65 V, V_S– = –1.65 V, CM = open, V_OD = 1 V_PP, R_F = 499 Ω, R_L = 200 Ω
Differential, G = 0 dB, Single-Ended Input, Input and Output Referenced to Midrail
Small-Signal Frequency Response
Large Signal Frequency Response
0.1 dB Flatness
S-Parameters
Transition Rate
Transient Response
Output Balance Error
CM Input Impedance
vs Frequency
vs Output Voltage
vs Frequency
vs Frequency
Figure 20
Figure 21
Figure 22
Figure 23
Figure 24
Figure 25
Figure 26
Figure 27
Figure 28
SMALL-SIGNAL FREQUENCY RESPONSE
22
20
18 ^{G = 20 dB}
16
V_O = 100 mV_PP
V_S = ±1.65 V
R_F = 499 W
R_L = 200 W
14
12 ^{G = 14 dB}
10
8 ^{G = 10 dB}
6
4 ^{G = 6 dB}
2 _{G = 0 dB}
0
-2
0.1
1
10
100
f - Frequency - MHz
1000
Figure 20.
0.1 dB FLATNESS
7
6.9 _{VGOai=n 1=060dmBVPP}
6.8
6.7
VR_SF == ±^419.965WV
R_L = 200 W
6.6 _{VO = 100 mVPP}
6.5
6.4
V_S = ±1.65 V
6.3
6.2
6.1
6
5.9
5.8
5.7
5.6
5.5
0.1
1
10
100
f − Frequency − MHz
1000
Figure 22.
10000
LARGE-SIGNAL FREQUENCY RESPONSE
22
20
18 ^{G = 20 dB}
16
V_O = 1 V_PP
V_S = ±1.65 V
R_F = 499 W
R_L = 200 W
14
12 ^{G = 14 dB}
10
8 ^{G = 10 dB}
6
4 ^{G = 6 dB}
2 _{G = 0 dB}
0
-2
0.1
1
10
100
f - Frequency - MHz
1000
Figure 21.
10
0
-10
-20
-30
-40
-50
-60
-70
-80
-90
1
S-PARAMETERS vs FREQUENCY
S21
S11
Gain = 0 dB
S22
R_F = 499 W
R_L = 200 W
S12
V_O = 100 mV_PP
V_S = ±2.5 V
10
100
1000
f - Frequency - MHz
Figure 23.
12
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