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THS4281 Datasheet, PDF (15/31 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER
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TYPICAL CHARACTERISTICS (continued)
(VS = 3 V, ±5 V)
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE
−60
Gain = 2,
RL = 1 kΩ, to VS/2,
−70 f = 10 kHz
VS = 3 V, HD2
−80
−90
−100
VS = 3 V, HD3
−110
VS = ±5 V, HD2
−120
−130
0.1
VS = ±5 V, HD3
1
10
VO − Output Voltage − VPP
Figure 46.
(VS = 3 V)
TOTAL HARMONIC DISTORTION +
NOISE
vs
FREQUENCY
0.100
0.010
VO = 2 VPP
VO = 2.8 VPP
VO = 1 VPP
VS = 3 V,
Bandwidth = 600 kHz,
Gain = 2,
0.001
RF = 2 kΩ,
RL = 1 kΩ to VS/2
10
100
1k
10 k
f − Frequency − Hz
Figure 49.
200 k
(VS = 3.3 V, 15 V)
HARMONIC DISTORTION
vs
OUTPUT VOLTAGE
−60
Gain = 2,
−70
RL = 1 kΩ, to VS/2,
f = 10 kHz
VS = 3.3 V, HD3
−80
−90
−100
−110
VS = 3.3 V, HD2
VS =15 V, HD2
−120
−130
0.1
VS = 15 V, HD3
1
10 20
VO − Output Voltage − VPP
Figure 47.
(VS = 5 V)
TOTAL HARMONIC DISTORTION +
NOISE
vs
FREQUENCY
0.1000
0.0100
VS = 5 V,
Bandwidth = 600 kHz,
Gain = 2,
RF = 2 kΩ,
RL = 1 kΩ to VS/2
VO = 4.8 VPP
0.0010
VO = 4.6 VPP
VO = 4 VPP
0.0001
10
100
1k
10 k
f − Frequency − Hz
Figure 50.
200 k
THS4281
SLOS432 – APRIL 2004
(VS = 2.7 V)
TOTAL HARMONIC DISTORTION +
NOISE
vs
FREQUENCY
0.100
VO = 2 VPP
VO = 2.5 VPP
0.010
VO = 0.5 VPP
VO = 1 VPP
0.001
VS = 2.7 V,
Bandwidth = 600 kHz,
Gain = 2,
RF = 2 kΩ,
RL = 1 kΩ to VS/2
10
100
1k
10 k
f − Frequency − Hz
Figure 48.
200 k
(VS = ±5 V)
TOTAL HARMONIC DISTORTION +
NOISE
vs
FREQUENCY
0.1000
0.0100
VS = ±5 V,
Bandwidth = 600 kHz,
Gain = 2,
RF = 2 kΩ,
RL = 1 kΩ
VO = 9.6 VPP
VO = 9 VPP
0.0010
VO = 4 VPP
0.0001
10
VO = 8 VPP
100
1k
10 k
f − Frequency − Hz
Figure 51.
200 k
15