THS3120 Datasheet, PDF (14/28 Pages) Texas Instruments – LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK, OPERATIONAL AMPLIFIERS

THS3120, THS3121
SLOS420A – SEPTEMBER 2003 – REVISED NOVEMBER 2003
TYPICAL CHARACTERISTICS (±5 V) (continued)
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
R_L = 50 Ω
R_F = 750 Ω
V_S = ±5 V
0 10 20 30 40 50 60 70
t - Time - ns
Figure 39.
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
R_L = 50 Ω,
-2.5
R_F = 499 Ω,
-3
V_S = ±5 V
-3.5
0 10 20 30 40 50 60 70
t - Time - µs
Figure 40.
OVERDRIVE RECOVERY TIME
5
1
4
Gain = 2,
0.8
3
R_F = 750 Ω,
V_S = ±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 42.
SETTLING TIME
1.25
1
0.75
Rising Edge
0.5
0.25
0
−0.25
−0.5
Gain = −2
R_L = 50 Ω
R_F = 681 Ω
V_S = ±5 V
−0.75
−1
Falling Edge
−1.25
0 2 4 6 8 10 12 14 16 18 20 22 24 26
t − Time − ns
Figure 43.
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INPUT BIAS AND
OFFSET CURRENT
vs
CASE TEMPERATURE
2
1.75
V_S = ±5 V
1.5
1.25
I_IB−
1
I_IB+
0.75
0.5
0.25
I_OS
0
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
T_C − Case Temperature − °C
Figure 41.
70
60
50
40
30
20
10
0
100 k
REJECTION RATIO
vs
FREQUENCY
V_S = ±5 V
CMRR
PSRR−
PSRR+
1M
10 M
f − Frequency − Hz
Figure 44.
100 M
14