THS3120 Datasheet, PDF (10/28 Pages) Texas Instruments – LOW-NOISE, HIGH-OUTPUT DRIVE, CURRENT-FEEDBACK, OPERATIONAL AMPLIFIERS

THS3120, THS3121
SLOS420A – SEPTEMBER 2003 – REVISED NOVEMBER 2003
TYPICAL CHARACTERISTICS (±15 V) (continued)
3rd HARMONIC DISTORTION
vs
FREQUENCY
-30
V_O = 2 V_PP,
-40
R_L = 50 Ω,
V_S = ±15 V
-50
G = 5,
R_F = 499 Ω
-60 _{G = 2,}
R_F = 649 Ω
-70
-80
-90
-100
100 k
G = 2,
R_F = 649 Ω,
R_L = 499 Ω
1M
10 M
f - Frequency - Hz
100 M
Figure 10.
SLEW RATE
vs
OUTPUT VOLTAGE STEP
2000
1800
1600
1400
Gain = 1
R_L = 50 Ω
R_F = 806 Ω
V_S = ±15 V
1200
1000
Rise
Fall
800
600
400
200
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5
V_O − Output Voltage −V_PP
Figure 13.
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
-70
HD2, R_L = 50Ω
-75
-80
HD3, R_L = 50Ω
Gain = 2,
-85
R_F = 649 Ω,
f= 1 MHz
-90
HD2, R_L = 499Ω VS = ±15 V
-95
-100
HD3, R_L = 499Ω
0 1 2 3 4 5 6 7 8 9 10
V_O - Output Voltage Swing - V_PP
Figure 11.
2000
1800
1600
1400
1200
SLEW RATE
vs
OUTPUT VOLTAGE STEP
Gain = 2
R_L = 50 Ω
R_F = 649 Ω
V_S = ±15 V
Rise
1000
800
Fall
600
400
200
0
0 1 2 3 4 5 6 7 8 9 10
V_O − Output Voltage −V_PP
Figure 14.
SETTLING TIME
1.25
Rising Edge
1
0.75
0.5
0.25
0
−0.25
Gain = −2
R_L = 50 Ω
R_F = 499 Ω
V_S = ±15 V
−0.5
−0.75
−1
Falling Edge
−1.25
0 2 4 6 8 10 12 14 16
t − Time − ns
Figure 16.
SETTLING TIME
4.5
4
3.5
3
Rising Edge
2.5
2
1.5
1
0.5
0
−0.5
Gain = −2
R_L = 50 Ω
R_F = 499 Ω
V_S = ±15 V
−1
−1.5
−2
−2.5
−3
−3.5
Falling Edge
−4
−4.5
0 2 4 6 8 10 12 14 16
t − Time − ns
Figure 17.
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HARMONIC DISTORTION
vs
OUTPUT VOLTAGE SWING
-40
-50
HD2, R_L = 50 Ω
-60
-70
-80
-90
0
HD3, R_L = 50 Ω
HD2, R_L = 499Ω
HD3, R_L = 499Ω
1 23 4 5
Gain = 2,
R_F = 649 Ω,
f = 8 MHz
V_S = ±15 V
6 7 8 9 10
V_O - Output Voltage Swing - V_PP
Figure 12.
NOISE
vs
FREQUENCY
100
I_n-
10
V_n
I_n+
1
0.01
0.1
1
10
100
f - Frequency - kHz
Figure 15.
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
10
9
T_A = 85 °C
8
T_A = 25 °C
7
T_A = -40 °C
6
5
4
3
2
1
0
2 3 4 5 6 7 8 9 10 11 12 13 14 15
V_S - Supply Voltage - ±V
#IMPLIED #IMPLIED.
10