THS4520 Datasheet, PDF (9/23 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER WITH RAIL-TO-RAIL OUTPUTS

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0.1-dB FLATNESS
6.5
6.4 ^VGO^{ai=n 1=060dmBV}PP
6.3
VR_SF == ±^419.965WV
R_L = 200 W
6.2 ^VO ^{= 100 mV}PP
6.1 ^{VS = ±2.5 V}
6
5.9
5.8
5.7
5.6
5.5
0.1
1
10
100
1000
f − Frequency − MHz
Figure 3.
10000
TRANSITION RATE vs OUTPUT VOLTAGE
600
Rise
550
Fall
500
450
400
350
300
250
200
0
Gain = 6 dB
R_F = 499 W
R_L = 200 W
V_S = ±2.5 V
1 23
4
5
6
7
8
V_OD - Differential Output Voltage - V_PP
Figure 5.
TRANSIENT RESPONSE
1.5
1
-0.5
V_OD = 2 V_PP
V_S = ±2.5 V
Gain = 6 dB
0
R_L = 200 W
-0.5
-1
-1.5
t −Time − 5 ns/div
Figure 7.
THS4520
SLOS503A – SEPTEMBER 2006 – REVISED OCTOBER 2006
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 4.
TRANSIENT RESPONSE
2.5
2
1.5
1
-0.5
0
-0.5
V_OD = 4 V_PP
V_S = ±2.5 V
Gain = 6 dB
R_L = 200 W
-1
-1.5
-2
-2.5
t − Time − 5 ns/div
Figure 6.
OUTPUT VOLTAGE SWING vs LOAD RESISTANCE
10
9 ^VS ^{= 5 V}
8
7
6
5
4
3
2
1
0
10
100
1000
R_L - Load Resistance - W
Figure 8.
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