THS4271 Datasheet, PDF (16/38 Pages) Texas Instruments – LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FREEBACK AMPLIFIER

THS4271
THS4275
SLOS397E − JULY 2002 − REVISED JANUARY 2004
SETTLING TIME
1.5
Rising Edge
1
0.5
0
−0.5
−1
Gain = −1
RL = 499 Ω
Rf = 249 Ω
f= 1 MHz
VS = 5 V
Falling Edge
−1.5
0 2 4 6 8 10 12 14 16 18 20 22 24
t − Time − ns
Figure 57
FREQUENCY RESPONSE
vs
CAPACITIVE LOAD
0.5
0
−0.5
R(ISO) = 25 Ω, CL = 10 pF
−1
R(ISO) = 15 Ω, CL = 50 pF
−1.5
R(ISO) = 10 Ω, CL = 100 pF
−2
−2.5 RL = 499 Ω
VS = 5 V
−3
1
10
100
Capacitive Load − MHz
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
30
TA = 85°C
25
TA = 25°C
20
TA = −40°C
15
10
5
0
2 2.5 3
3.5 4
4.5 5
VS − Supply Voltage − ±V
Figure 58
OPEN-LOOP GAIN AND PHASE
vs
FREQUENCY
80
0
VS = 5 V
70
20
60
Gain
40
50
60
40
80
30
100
20
Phase
120
10
140
0
160
−10
10 k
100 k 1 M 10 M 100 M
f − Frequency − Hz
180
1G
Figure 60
REJECTION RATIOS
vs
FREQUENCY
100
90
80
70
60
50 CMRR
PSRR+
PSRR−
40
30
20
10
0
10 k
VS = 5 V
100 k
1M
10 M
f − Frequency − Hz
100 M
Figure 63
Figure 61
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 64
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OUTPUT VOLTAGE
vs
LOAD RESISTANCE
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
10
VS = 5 V
TA = −40 to 85°C
100
1k
10 k
RL − Load Resistance − Ω
Figure 59
OPEN-LOOP GAIN
vs
CASE TEMPERATURE
85
80
TA = −40°C
75
TA = 25°C
70
TA = 85°C
65
60
55
50
2.5
3
3.5
4
4.5
5
Case Temperature − °C
Figure 62
COMMON-MODE REJECTION RATIO
vs
INPUT COMMON-MODE RANGE
100
90 ^{VS = 5 V}
80
70
60
50
40
30
20
10
0
0
1
2
3
4
5
Input Common-Mode Voltage Range − V
Figure 65
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