THS4520 Datasheet, PDF (17/37 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER WITH RAIL-TO-RAIL OUTPUTS

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HD2 vs LOAD RESISTANCE
FREQUENCY = 1MHZ
-40
R_F = 499 W,
-50 V_S = ±1.65 V,
f = 1 MHz
-60
-70
-80
-90
-100
-110
-120
0
V_O = 4 V_PP
V_O = 1 V_PP
V_O = 2 V_PP
500
1000
1500
R_L - Load Resistance - W
Figure 42.
2000
HD2 vs LOAD RESISTANCE
FREQUENCY = 8MHZ
-40
R_F = 499 W,
-50 V_S = ±1.65 V,
f = 8 MHz
-60
-70
-80
-90
-100
-110
-120
0
V_O = 4 V_PP
V_O = 2 V_PP
V_O = 1 V_PP
500
1000
1500
R_L - Load Resistance - W
Figure 44.
2000
HD2 vs
OUTPUT COMMON-MODE VOLTAGE
-40
16 MHz
-50
8 MHz
4 MHz
-60
2 MHz
1 MHz
-70
-80
-90 _{RF = 499 W,}
R_L = 200 W,
-100 _{VO = 2 VPP,}
V_S = ±1.65 V
-110
-1.25 -1 -0.75 -0.50 -0.25 0 0.25 0.50 0.75 1 1.25
V_OCM - Output Common-Mode Voltage - V
Figure 46.
THS4520
SLOS503B – SEPTEMBER 2006 – REVISED JULY 2007
HD3 vs LOAD RESISTANCE
FREQUENCY = 1MHZ
-40
R_F = 499 W,
-50 _{VS = ±1.65 V,}
f = 1 MHz
-60
-70
-80
V_O = 4 V_PP
V_O = 1 V_PP
-90
-100
-110
-120
0
V_O = 2 V_PP
500
1000
1500
R_L - Load Resistance - W
Figure 43.
2000
HD3 vs LOAD RESISTANCE
FREQUENCY = 8MHZ
-40
R_F = 499 W,
-50 _{VS = ±1.65 V,}
f = 8 MHz
-60
-70
-80
V_O = 4 V_PP
-90
-100
-110
0
V_O = 1 V_PP
V_O = 2 V_PP
500
1000
1500
R_L - Load Resistance - W
2000
Figure 45.
HD3 vs
OUTPUT COMMON-MODE VOLTAGE
-40
-45
16 MHz
-50
8 MHz
-55
-60
4 MHz
-65
2 MHz
-70
1 MHz
-75
-80
-85
-90
-95
-100
-105
R_F = 499 W,
R_L = 200 W,
V_O = 2 V_PP,
V_S = ±1.65 V
-110
-1.25
-0.75
-0.25
0.25
0.75
1.25
V_OCM - Output Common-Mode Voltage - V
Figure 47.
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