THS4520_14 Datasheet, PDF (11/37 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

www.ti.com
HD2 vs LOAD RESISTANCE
FREQUENCY = 8MHz
-80
R_F = 499 W,
-85
V_S = ±2.5 V,
f = 8 MHz
V_O = 6 V_PP
V_O = 4 V_PP
-90
-95
-100
-105
V_O = 2 V_PP
-110
0
500
1000
1500
R_L - Load Resistance - W
Figure 13.
2000
HD2 vs
OUTPUT COMMON-MODE VOLTAGE
-70
R_F = 499 W,
-75 ^RL ^{= 200 W,}
V_O = 2 V_PP,
-80
V_S = ±2.5 V
16 MHz
-85
8 MHz
-90
-95
2 MHz
4 MHz
-100
1 MHz
-105
-1.75 -1.25 -0.75 -0.25 0.25 0.75 1.25 1.75
V_OCM - Output Common-Mode Voltage - V
Figure 15.
0.1-dB FLATNESS
6.5
6.4 ^{Gain = 6 dB,}
R_F = 499 W,
6.3 R_L = 200 W,
6.2 ^{VO = 2 VPP,}
V_S = ±2.5 V
6.1
6
5.9
5.8
5.7
5.6
5.5
0.1
1
10
100
f - Frequency - MHz
1000
Figure 17.
THS4520
SLOS503B – SEPTEMBER 2006 – REVISED JULY 2007
HD3 vs LOAD RESISTANCE
FREQUENCY = 8MHz
-80
V_O = 6 V_PP
-85
V_O = 4 V_PP
-90
V_O = 2 V_PP
-95
-100
-105
0
R_F = 499 W,
V_S = ±2.5 V,
f = 8 MHz
500
1000
1500
R_L - Load Resistance - W
Figure 14.
2000
HD3 vs
OUTPUT COMMON-MODE VOLTAGE
-70 _{RF = 499 W,}
-75 ^RL ^{= 200 W,}
V_O = 2 V_PP,
-80 ^VS ^{= ±2.5 V}
16 MHz
-85
8 MHz
-90
-95
-100
4 MHz
2 MHz
-105
-110
1 MHz
-1.75 -1.25 -0.75 -0.25 0.25 0.75 1.25 1.75
V_OCM - Output Common-Mode Voltage - V
Figure 16.
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 18.
Submit Documentation Feedback
11