THS4271 Datasheet, PDF (17/38 Pages) Texas Instruments – LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FREEBACK AMPLIFIER

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THS4271
THS4275
SLOS397E − JULY 2002 − REVISED JANUARY 2004
INPUT OFFSET VOLTAGE
vs
CASE TEMPERATURE
5
4
VS = 5 V
3
VS = ±5 V
2
1
0
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
TC − Case Temperature − °C
Figure 66
INPUT BIAS AND OFFSET CURRENT
vs
CASE TEMPERATURE
8
VS = 5 V
7
IIB−
6
1.17
1.16
IOS _1.15
5
1.14
4
IIB+
1.13
3
1.12
2
1.11
1
1.1
0
1.09
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
TC − Case Temperature − °C
Figure 67
LARGE SIGNAL TRANSIENT RESPONSE
OVERDRIVE RECOVERY
1.5
3
1.5
VS = 5 V
1
2
1
0.5
1
0.5
0
−0.5
Gain = −1
RL = 499 Ω
−1
Rf = 249 Ω
tr/tf = 300 ps
VS = 5 V
−1.5
0 1 2 3 4 5 6 7 8 9 10 11
t − Time − ns
0
0
−1
−0.5
−2
−1
−3
−1.5
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
t − Time − µs
SMALL SIGNAL TRANSIENT RESPONSE
0.3
0.2
0.1
0
−0.1
Gain = −1
RL = 499 Ω
Rf = 249 Ω
−0.2
tr/tf = 300 ps
VS = 5 V
−0.3
0 2 4 6 8 10 12 14 16
t − Time − ns
Figure 68
CLOSED-LOOP OUTPUT IMPEDANCE
vs
FREQUENCY
1000
Gain = 1
100
RL = 499 Ω
VIN = 1 dBm
VS = 5 V
10
1
0.1
0.01
0.001
100 k
1M
10 M
100 M
1G
f − Frequency − Hz
Figure 69
Figure 70
Figure 71
POWER-DOWN QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
1200
1000
800
600
TA = 85°C
TA = 25°C
TA = −40°C
400
200
0
2.5
3
3.5
4
4.5
5
VS − Supply Voltage − ±V
Figure 72
POWER-DOWN OUTPUT IMPEDANCE
vs
FREQUENCY
1M
Gain = 1
RL = 150 Ω
PIN = −1 dBm
VS = 5 V
10 k
TURNON AND TURNOFF TIMES DELAY TIME
45
6.5
Input
40
5
35
3.5
30
2
25
0.5
20
−1
100
15
10
1
100 k
1M
10 M
100 M 1 G
f − Frequency − Hz
0.5
Gain = −1
0
RL = 150 Ω
VS = 5 V
0 10 20 30 40 50 60 70
t − Time − µs
Figure 73
Figure 74
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