THS4520 Datasheet, PDF (13/23 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER WITH RAIL-TO-RAIL OUTPUTS

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THS4520
SLOS503A – SEPTEMBER 2006 – REVISED OCTOBER 2006
TRANSITION RATE vs OUTPUT VOLTAGE
600
550
500
Rise
450
Fall
400
350
300
250
200
0
Gain = 6 dB
R_F = 499 W
R_L = 200 W
V_S = ±1.65 V
0.5 1 1.5 2 2.5 3 3.5 4
V_OD - Differential Output Voltage - V_PP
Figure 24.
TRANSIENT RESPONSE
2.5
2
1.5
1
-0.5
0
V_OD = 4 V_PP
V_S = ±1.65 V
Gain = 6 dB
R_L = 200 W
-0.5
-1
-1.5
-2
-2.5
t − Time − 5 ns/div
Figure 25.
TRANSIENT RESPONSE
1.5
1
-0.5
V_OD = 2 V_PP
V_S = ±1.65 V
Gain = 6 dB
0
R_L = 200 W
-0.5
-1
-1.5
t −Time − 5 ns/div
Figure 26.
OUTPUT BALANCE ERROR vs FREQUENCY
-20
R_F = 499 W
-30 R_L = 200 W
V_O = 1 V_PP
-40 V_S = ±1.65 V
-50
Gain = 0 dB
-60
Gain = 6 dB
-70
-80
-90
0.1
1
10
100
f - Frequency - MHz
Figure 27.
1000
CM INPUT IMPEDANCE vs FREQUENCY
3
2
1
0
-1
-2
-3
-4
-5
-6
-7
-8
-9
-10
-11
R_F = 499 W
-12
-13
-14
-15
R_L = 200 W
Gain = 0 dB
V_O = 100 mV_PP
-16
-17
V_S = ±1.65 V
-18
-19
-20
0.1
1
10
100
f - Frequency - MHz
1000
Figure 28.
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