THS4211 Datasheet, PDF (14/50 Pages) Texas Instruments – LOW-DISTORTION HIGH-SPEED VOLTAGE FEEDBACK AMPLIFIER

THS4211
THS4215
SLOS400E – SEPTEMBER 2002 – REVISED SEPTEMBER 2009 ................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS: ±5 V (continued)
POWER-DOWN
OUTPUT IMPEDANCE
vs
FREQUENCY
1000
Gain = 1
R_L = 499 Ω
P_IN = -1 dBm
V_S = ±5 V
TURN-ON AND TURN-OFF TIMES
DELAY TIME
0.04
6
0.035
4.5
0.03
3
0.025
1.5
10
0.1
0.001
100 k 1 M 10 M 100 M 1 G
f - Frequency - Hz
Figure 37.
10 G
0.02
0.015
0.01
0.005
0
-0.005
-0.01
0
Gain = -1
-1.5
R_L = 499 Ω
-3
V_S = ±5 V
-4.5
-6
-7.5
0 0.01 0.02 0.03 0.04 0.05 0.06 0.07
t - Time - ns
Figure 38.
TYPICAL CHARACTERISTICS: 5 V
SMALL-SIGNAL UNITY GAIN
FREQUENCY RESPONSE
SMALL-SIGNAL
FREQUENCY RESPONSE
0.1-dB GAIN FLATNESS
FREQUENCY RESPONSE
4
22
0.1
Gain = 1
3 _{RL = 499 Ω}
V_O = 250 mV
2 _{VS = 5 V}
1
0
20
Gain = 10
18
16 _{Gain = 5}
14
12 ^{RL = 499 Ω}
10
R_f = 392 Ω
V_O = 250 mV
8 V_S = 5 V
0
-0.1
-0.2
-0.3
-0.4
-0.5
-1
6
-0.6
Gain = 2
-2
-3
4
2
0
-2
Gain = -1
-0.7 Gain = 1
-0.8
R_L = 499 Ω
V_O = 250 mV
-0.9 V_S = 5 V
-4
100 k 1 M
10 M 100 M 1 G
10 G
-4
100 k
1M
10 M
100 M
1G
-1
1M
10 M
100 M
1G
f - Frequency - Hz
f - Frequency - Hz
f - Frequency - Hz
Figure 39.
Figure 40.
Figure 41.
LARGE-SIGNAL
FREQUENCY RESPONSE
1
0
-1
-2
Gain = 1
-3 ^RL ^{= 499 Ω}
V_O = 2 V_PP
V_S = 5 V
-4
100 K
1M
10 M
100 M
1G
f - Frequency - Hz
Figure 42.
SLEW RATE
vs
OUTPUT VOLTAGE
1000
900
Fall, G = 1
800
Rise, G = 1
700
600
Rise, G = -1
500
400
Fall, G = -1
300
200
R_L = 499 Ω
R_f = 392 Ω
100
V_S = 5 V
0
0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
V_O - Output Voltage -V
Figure 43.
HARMONIC DISTORTION
vs
FREQUENCY
-50
Gain = 1
-55 _{VO = 1 VPP}
-60 ^RL ^{= 150 Ω, and 499 Ω}
-65 ^{VS = 5 V}
-70
HD2
-75
-80
HD3
-85
-90
-95
-100
1
10
100
f - Frequency - MHz
Figure 44.
14
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