THS4271 Datasheet, PDF (12/38 Pages) Texas Instruments – LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FREEBACK AMPLIFIER

THS4271
THS4275
SLOS397E − JULY 2002 − REVISED JANUARY 2004
www.ti.com
REJECTION RATIOS
vs
CASE TEMPERATURE
120
VS = ±5 V
100
PSRR+
PSRR−
80
60
CMMR
40
20
0
−40−30−20−100 10 20 30 40 50 60 70 80 90
Case Temperature − °C
Figure 28
INPUT BIAS AND OFFSET CURRENT
vs
CASE TEMPERATURE
8
1.17
VS = ±5 V
7
1.16
6
IIB−
5
IIB+
4
IOS ^1.15
1.14
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 31
COMMON-MODE REJECTION RATIO
vs
INPUT COMMON-MODE RANGE
100
90
80
70
60
50
40
30
VS = ±5 V
TA = 25°C
20
10
0
−6 −4 −2 0
2
4
6
Input Common-Mode Range − V
Figure 29
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 30
SMALL SIGNAL TRANSIENT RESPONSE LARGE SIGNAL TRANSIENT RESPONSE
0.3
1.5
0.2
1
0.1
0.5
0
−0.1
−0.2
−0.3
Gain = −1
RL = 499 Ω
Rf = 249 Ω
tr/tf = 300 ps
VS = ±5 V
0 2 4 6 8 10 12 14 16
t − Time − ns
0
−0.5
−1
−1.5
Gain = −1
RL = 499 Ω
Rf = 249 Ω
tr/tf = 300 ps
VS = ±5 V
0 2 4 6 8 10 12 14 16 18
t − Time − ns
Figure 32
Figure 33
OVERDRIVE RECOVERY
6
3
5
VS = ±5 V
2.5
4
2
3
1.5
2
1
1
0.5
0
0
−1
−0.5
−2
−1
−3
−1.5
−4
−2
−5
−2.5
−6
−3
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1
t − Time − µs
Figure 34
CLOSED-LOOP OUTPUT IMPEDANCE
vs
FREQUENCY
1000
Gain = 1
100 ^{RL = 499 Ω}
PIN = −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 35
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 36
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