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THS3120_14 Datasheet, PDF (14/36 Pages) Texas Instruments – LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK OPERATIONAL AMPLIFIERS | |||
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THS3120
THS3121
SLOS420E â SEPTEMBER 2003 â REVISED OCTOBER 2009........................................................................................................................................ www.ti.com
TYPICAL CHARACTERISTICS (±5 V) (continued)
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NONINVERTING SMALL-SIGNAL
TRANSIENT RESPONSE
0.3
0.25
0.2
Output
0.15
0.1
Input
0.05
0
-0.05
-0.1
-0.15
-0.2
-0.25
-0.3
Gain = 2
RL = 50 â¦
RF = 750 â¦
VS = ±5 V
0 10 20 30 40 50 60 70
t - Time - ns
Figure 41.
INVERTING LARGE-SIGNAL
TRANSIENT RESPONSE
3.5
3
2.5
Output
2
1.5
1
0.5
0
Input
-0.5
-1
-1.5
Gain = -5,
-2
RL = 50 â¦,
-2.5
RF = 499 â¦,
-3
VS = ±5 V
-3.5
0 10 20 30 40 50 60 70
t - Time - µs
Figure 42.
INPUT BIAS AND
OFFSET CURRENT
vs
CASE TEMPERATURE
2
VS = ±5 V
1.75
1.5
1.25
IIBâ
1
IIB+
0.75
0.5
0.25
IOS
0
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
TC â Case Temperature â °C
Figure 43.
OVERDRIVE RECOVERY TIME
5
1
4
Gain = 2,
0.8
3
RF = 750 â¦,
VS = ±5 V
0.6
2
0.4
1
0.2
0
0
-1
-0.2
-2
-0.4
-3
-0.6
-4
-0.8
-5
-1
0
0.2
0.4
0.6
0.8
1
t - Time - µs
Figure 44.
SETTLING TIME
1.25
1
0.75
Rising Edge
0.5
0.25
0
â0.25
â0.5
Gain = â2
RL = 50 â¦
RF = 681 â¦
VS = ±5 V
â0.75
â1
Falling Edge
â1.25
0 2 4 6 8 10 12 14 16 18 20 22 24 26
t â Time â ns
Figure 45.
REJECTION RATIO
vs
FREQUENCY
70
VS = ±5 V
60
50
40
30
20
10
0
100 k
CMRR
PSRRâ
PSRR+
1M
10 M
f â Frequency â Hz
Figure 46.
100 M
14
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