THS4508 Datasheet, PDF (11/29 Pages) Texas Instruments – WIDEBAND, LOW NOISE, LOW DISTORTION FULLY DIFFERENTIAL AMPLIFIER

www.ti.com
0.1-dB FLATNESS
10.5
10.4
10.3
10.2
V_OD = 100 mV_PP
10.1
10
9.9
9.8
9.7
9.6
100 k
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 26.
OUTPUT IMPEDANCE vs FREQUENCY
100
10
1
0.1
100 k
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 28.
V_OD SWING vs LOAD RESISTANCE
7
6
5
4
3
2
1
0
10
100
1000
R_L - Load Resistance - kW
Figure 30.
THS4508
SLAS459A – SEPTEMBER 2005 – REVISED FEBRUARY 2006
REJECTION RATIO vs FREQUENCY
100
90
PSRR+
80
70
CMRR
60
50
40
30
20
V_CM = V_S / 2,
R_L = 200 W
10
0
10 k 100 k
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 27.
5.75
4.75
3.75
2.75
1.75
0.75
-0.25
-1.25
-2.25
-3.25
-4.25
-5.25
OVERDRIVE RECOVERY
2
Input
1.5
1
Output
0.5
0
-0.5
Gain = 10 dB,
R_L = 200 W
-1
-1.5
t - Time - 100 ns/div
Figure 29.
TURN-OFF TIME
3.2
6.4
3
6
2.8
5.6
2.6
5.2
2.4
Output
4.8
2.2
4.4
2
4
1.8
3.6
1.6
PD Input
3.2
1.4
2.8
1.2
2.4
1
2
0.8
1.6
0.6 Gain = 10 dB,
1.2
0.4 R_L = 200 W
0.8
0.2
0.4
0
0
t - Time - (2.5 ms/div)
Figure 31.
Submit Documentation Feedback
11