THS4281_14 Datasheet, PDF (14/38 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

THS4281
SLOS432A – APRIL 2004 – REVISED NOVEMBER 2009
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TYPICAL CHARACTERISTICS (continued)
(V_S = ±5 V)
SETTLING TIME
1.5
1
0.5
Gain = −1
R_L = 1 kΩ
R_F= 3 kΩ
0
V_S = ±5 V
−0.5
−1
−1.5
0 10 20 30 40 50 60 70 80 90 100
t − Time − ns
(V_S = ±5 V)
SETTLING TIME
1
Gain = −1
0.8
R_L = 1 kΩ
R_F = 3 kΩ
V_S = ±5 V
0.6
2-V Step
0.4
0.2
Rise
0
−0.2
Fall
−0.4
40 60 80 100 120 140 160 180 200
t − Time − ns
(Gain = +1)
HARMONIC DISTORTION
vs FREQUENCY
−30
V_O = 1 V_PP,
Gain = 1,
−40 R_L = 1 kΩ, to V_S/2
−50
V_S = 2.7 V, HD2
V_S = 2.7 V, HD3
−60 VS = 5 V, HD2
−70
−80
−90
−100
−110
0.1
V_S = ±5 V,
15 V HD2
V_S = 5 V,±5 V,
15 V HD3
1
10
f − Frequency − MHz
Figure 37.
Figure 38.
Figure 39.
(Gain = +1)
HARMONIC DISTORTION
vs FREQUENCY
−30
V_O = 2 V_PP,
Gain = 1,
−40 _{RL = 1 kΩ, to VS/2}
−50
V_S = 2.7 V, HD2
V_S = 2.7 V, HD3
−60
V_S = 5 V, HD2
−70
−80
−90
−100
V_S = ±5 V,
15 V HD2
V_S = 5 V,±5 V,
15 V HD3
−110
0.1
1
10
f − Frequency − MHz
Figure 40.
(V_S = 3 V, 3.3 V)
HARMONIC DISTORTION
vs FREQUENCY
−80
−85 ^{VS = 3.3 V, 2 VPP, HD2}
−90
−95
−100
−105
V_S = 3.3 V, 2 V_PP, HD3
V_S = 3 V, 1 V_PP, HD2
V_S = 3 V, 1 V_PP, HD3
−110
−115
V_S = 3.3 V, 1 V_PP, HD2
−120 _{VS = 3.3 V, 1 VPP, HD3}
−125
−130
10
Gain = 2,
R_L = 1 kΩ, to V_S/2
100
1k
10 k 20 k
f − Frequency − Hz
Figure 41.
(Gain = +2)
HARMONIC DISTORTION
vs FREQUENCY
−30
−40
V_O = 1 V_PP,
Gain = 2,
R_L = 1 kΩ, to V_S/2
−50
−60
−70 ^{VS = 2.7 V, HD2}
−80
−90
−100
−110
V_S = 2.7 V, HD3
V_S = 5 V ±5 V,
15 V HD2
−120
−130
100
V_S = 5 V ±5 V,
15 V HD3
1 k 10 k 100 k 1 M 10 M
f − Frequency − Hz
Figure 42.
(Gain = +2)
HARMONIC DISTORTION
vs FREQUENCY
−30
−40
V_O = 2 V_PP,
Gain = 2,
R_L = 1 kΩ, to V_S/2
−50
−60
V_S = 2.7 V, 3 V, HD2
−70
−80 _{VS = 3 V, HD3}
−90
−100
−110
V_S = 2.7 V, HD3
V_S = 5 V ±5 V,
15 V HD2
−120
−130
100
V_S = 5 V ±5 V,
15 V HD3
1 k 10 k 100 k 1 M 10 M
f − Frequency − Hz
Figure 43.
HARMONIC DISTORTION
vs
LOAD RESISTANCE
−60
Gain = 2
−70 ^{f = 10 khz}
V_S = 3 V, 2 V_PP, HD2
−80
−90
−100
−110
V_S = 3 V, 2 V_PP, HD3
V_S = 3 V, 1 V_PP, HD2
V_S = 3 V, 1 V_PP, HD3
V_S = 5V and ±5V, 2V_PP, HD3
−120
V_S = 5 V, and
−130 ^{±5 V, 2 VPP, HD2}
100
1k
10 k
R_L − Load Resistance − W
Figure 44.
100 k
(V_S = 2.7 V, 5 V)
HARMONIC DISTORTION
vs OUTPUT VOLTAGE
−60
Gain = 2,
−70
R_L = 1 kΩ, to V_S/2,
f = 10 kHz
V_S = 2.7 V, HD2
−80
−90
−100
−110
−120
−130
0.1
V_S = 2.7 V, HD3
V_S = 5 V, HD2
V_S = 5 V, HD3
1
10
V_O − Output Voltage − V_PP
Figure 45.
14
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