THS4271_16 Datasheet, PDF (14/50 Pages) Texas Instruments – LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FEEDBACK AMPLIFIER

THS4271
THS4275
SLOS397F – JULY 2002 – REVISED OCTOBER 2009
TYPICAL CHARACTERISTICS: ±5 V (continued)
POWER-DOWN OUTPUT
IMPEDANCE
vs
FREQUENCY
1M
100 k
Gain = 1
R_L = 150 Ω
V_IN = 1 dBm
V_S = ±5 V
10 k
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100
1
100 k
1M
10 M
100 M
1G
f − Frequency − Hz
Figure 37.
TYPICAL CHARACTERISTICS: 5 V
SMALL-SIGNAL UNIT GAIN
FREQUENCY RESPONSE
SMALL-SIGNAL UNIT GAIN
FREQUENCY RESPONSE
0.1-dB GAIN FLTANESS
FREQUENCY RESPONSE
3
Gain = 1
2 _{RL = 150 Ω}
V_O = 100 mV_PP
1 _{VS = 5 V}
0
−1
−2
−3
−4
100 k
1 M 10 M 100 M 1 G
f − Frequency − Hz
10 G
22
20
18 ^{Gain = 10}
16
Gain = 5
14
12 ^RL ^{= 499 Ω}
10
R_f = 249 Ω
8
V_O = 100 mV_PP
V_S = 5 V
6
4 ^{Gain = 2}
2
0
−2 ^{Gain = −1}
−4
100 k
1M
10 M
100 M 1G
f − Frequency − Hz
0.2
0.1
0
−0.1
−0.2
−0.3
−0.4
−0.5
−0.6
−0.7
−0.8
−0.9
Gain = 1
R_L = 150 Ω
V_O = 100 mV_PP
V_S = 5 V
−1
100 k
1M
10 M 100 M
1G
f − Frequency − Hz
Figure 39.
Figure 40.
Figure 41.
LARGE-SIGNAL FREQUENCY
RESPONSE
22
Gain = 10
20
18
16
Gain = 5
14
12 R_L = 499 Ω
10 ^Rf ^{= 249 Ω}
V_O = 1 V_PP
8 _{VS = 5 V}
6
4 ^{Gain = 2}
2
0
100 k
1M
10 M 100 M
1G
f − Frequency − Hz
Figure 42.
1000
900
800
700
SLEW RATE
vs
FREQUENCY
Gain = 1
R_L = 499 Ω
R_f = 249 Ω
Fall
V_S = 5 V
600
Rise
500
400
300
200
100
0
0
0.5
1
1.5
2
2.5
V_O − Output Voltage −V
Figure 43.
HARMONIC DISTORTION
DISTORTION
vs
FREQUENCY
−50
Gain = 1
V_O = 1 V_PP
−60 R_L = 150 Ω
V_S = 5 V
−70
−80
−90
−100
1
HD3
HD2
10
100
f − Frequency − MHz
Figure 44.
14
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