THS4281_14 Datasheet, PDF (15/38 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

THS4281
www.ti.com
SLOS432A – APRIL 2004 – REVISED NOVEMBER 2009
TYPICAL CHARACTERISTICS (continued)
(V_S = 3 V, ±5 V)
HARMONIC DISTORTION
vs OUTPUT VOLTAGE
−60
Gain = 2,
R_L = 1 kΩ, to V_S/2,
−70 f = 10 kHz
V_S = 3 V, HD2
(V_S = 3.3 V, 15 V)
HARMONIC DISTORTION
vs OUTPUT VOLTAGE
−60
Gain = 2,
−70
R_L = 1 kΩ, to V_S/2,
f = 10 kHz
V_S = 3.3 V, HD3
(V_S = 2.7 V)
TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
0.100
V_O = 2 V_PP
V_O = 2.5 V_PP
−80
−90
−100
−110
−120
−130
0.1
V_S = 3 V, HD3
V_S = ±5 V, HD2
V_S = ±5 V, HD3
1
10
V_O − Output Voltage − V_PP
Figure 46.
−80
−90
−100
−110
V_S = 3.3 V, HD2
V_S =15 V, HD2
−120
−130
0.1
V_S = 15 V, HD3
1
10 20
V_O − Output Voltage − V_PP
Figure 47.
0.010
V_O = 0.5 V_PP
V_O = 1 V_PP
0.001
V_S = 2.7 V,
Bandwidth = 600 kHz,
Gain = 2,
R_F = 2 kΩ,
R_L = 1 kΩ to V_S/2
10
100
1k
10 k
f − Frequency − Hz
Figure 48.
200 k
(V_S = 3 V)
(V_S = 5 V)
(V_S = ±5 V)
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
vs FREQUENCY
vs FREQUENCY
0.100
V_O = 2 V_PP
V_O = 2.8 V_PP
0.1000
0.0100
V_S = 5 V,
Bandwidth = 600 kHz,
Gain = 2,
R_F = 2 kΩ,
R_L = 1 kΩ to V_S/2
V_O = 4.8 V_PP
0.1000
0.0100
V_S = ±5 V,
Bandwidth = 600 kHz,
Gain = 2,
R_F = 2 kΩ,
R_L = 1 kΩ
V_O = 9.6 V_PP
V_O = 9 V_PP
0.010
V_O = 1 V_PP
V_S = 3 V,
Bandwidth = 600 kHz,
Gain = 2,
0.001
R_F = 2 kΩ,
R_L = 1 kΩ to V_S/2
10
100
1k
10 k
f − Frequency − Hz
Figure 49.
200 k
0.0010
0.0001
10
V_O = 4.6 V_PP
V_O = 4 V_PP
100
1k
10 k
f − Frequency − Hz
Figure 50.
200 k
0.0010
V_O = 4 V_PP
0.0001
10
V_O = 8 V_PP
100
1k
10 k
f − Frequency − Hz
Figure 51.
200 k
(V_S = 15 V)
(f = 1 kHz)
(f = 10 kHz)
TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE TOTAL HARMONIC DISTORTION + NOISE
vs FREQUENCY
vs OUTPUT VOLTAGE
vs OUTPUT VOLTAGE
0.1000
0.0100
V_S = 15 V,
Bandwidth = 600 kHz,
Gain = 2,
R_F = 2 kΩ,
R_L = 1 kΩ , to V_S/2
V_O = 14.5 V_PP
V_O = 14 V_PP
0.1000
0.0100
VS = 3.3 V
VS = 3 V
VS = 2.7 V
VS = 5 V
VS = ±5 V
0.1000
0.0100
VS = 5 V
VS = 3.3 V
VS = 3 V
VS = 2.7 V
VS = ±5 V
VS = 15 V
0.0010
V_O = 4 V_PP
V_O = 8 V_PP
0.0001
10
V_O = 12 V_PP
100
1k
10 k
f − Frequency − Hz
200 k
Figure 52.
Amplifier Noise
0.0010
Limit Line
0.0001
f = 1 kHz,
Bandwidth = 22 kHz,
Gain = 2,
RF = 2 kΩ,
RL = 1 kΩ , to VS/2
VS = 15 V
0.1
1
10 20
V_O − Output Voltage − V_PP
Figure 53.
0.0010
f = 10 kHz,
Bandwidth = 80 kHz,
Gain = 2,
RF = 2 kΩ,
RL = 1 kΩ , to VS/2
0.0001
0.1
Amplifier Noise
Limit Line
1
10 20
V_O − Output Voltage − V_PP
Figure 54.
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