THS7530 Datasheet, PDF (9/19 Pages) Texas Instruments – HIGH-SPEED, FULLY DIFFERENTIAL, CONTINUOUSLY VARIABLE GAIN AMPLIFIER

www.ti.com
VG+ INPUT INPEDANCE
vs
FREQUENCY
100
90
80
70
60
50
40
30
20
10
0
0.1
1
10
f – Frequency – MHz
Figure 14
THS7530
VOCM INPUT IMPEDANCE
vs
FREQUENCY
25
SLOS405A DECEMBER 2002– REVISED APRIL 2003
COMMON-MODE REJECTION RATIO
vs
FREQUENCY
–10
20
–20
15
–30
10
–40
5
–50
0
0.1
1
–60
10
100
0.1
1
10
100
1000
f – Frequency – MHz
f – Frequency – MHz
Figure 15
Figure 16
STEP RESPONSE
1.5 _{At Amplifier Output and Minimum Gain}
RL = 400 Ω
1
0.5
0
–0.5
–1
–1.5
0
200 400 600
t – Time – ns
800 1000
Figure 17
STEP RESPONSE – RISING EDGE
1.5
1
0.5
0
–0.5
–1
Amplifier Output at Minimum Gain
RL = 400 Ω
–1.5
0
2
4
6
8
10 12
t – Time – ns
Figure 18
STEP RESPONSE – FALLING EDGE
1.5
Amplifier Output at Minimum Gain
RL = 400 Ω
1
0.5
0
–0.5
–1
–1.5
0
2
4
6
8
10 12
t – Time – ns
Figure 19
9