THS4271-EP Datasheet, PDF (17/44 Pages) Texas Instruments – LOW NOISE, HIGH SLEW RATE, UNITY GAIN STABLE VOLTAGE FEEDBACK AMPLIFIER

THS4271-EP
www.ti.com
SGLS270C – DECEMBER 2004 – REVISED APRIL 2010
TYPICAL CHARACTERISTICS: 5 V (continued)
THIRD-ORDER INTERMODULATION
DISTORTION
vs
FREQUENCY
−40
Gain = 2
−50
R_L = 150 Ω
V_O = 2 V_PP
V_S = 5 V
−60 ^{200 kHz Tone Spacing}
−70
−80
−90
THIRD-ORDER OUTPUT INTERCEPT
POINT
vs
FREQUENCY
45
Gain = 2
R_L = 150 Ω
V_O = 2 V_PP
40
V_S = 5 V
200 kHz Tone Spacing
35
30
VOLTAGE AND CURRENT NOISE
vs
FREQUENCY
100
100
V_n
10
10
I_n
−100
10
100
f − Frequency − MHz
Figure 55.
25
0
20
40
60
80
100
f − Frequency − MHz
Figure 56.
1
100
1
1 k 10 k 100 k 1 M 10 M 100 M
f − Frequency − Hz
Figure 57.
SETTLING TIME
1.5
Rising Edge
1
0.5
0
−0.5
−1
Gain = −1
R_L = 499 Ω
R_f = 249 Ω
f= 1 MHz
V_S = 5 V
Falling Edge
−1.5
0 2 4 6 8 10 12 14 16 18 20 22 24
t − Time − ns
Figure 58.
QUIESCENT CURRENT
vs
SUPPLY VOLTAGE
30
T_A = 85°C
25
T_A = 25°C
20
T_A = −40°C
15
10
5
0
2
2.5
3
3.5 4
4.5 5
V_S − Supply Voltage − ±V
Figure 59.
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
2
1.5
1
0.5
0
−0.5
−1
−1.5
−2
10
V_S = 5 V
T_A = −40 to 85°C
100
1k
10 k
R_L − Load Resistance − Ω
Figure 60.
FREQUENCY RESPONSE
vs
CAPACITIVE LOAD
0.5
0
−0.5
−1
R_(ISO) = 25 Ω, C_L = 10 pF
R_(ISO) = 15 Ω, C_L = 50 pF
−1.5
−2
R_(ISO) = 10 Ω, C_L = 100 pF
−2.5
R_L = 499 Ω
V_S = 5 V
−3
1
10
Capacitive Load − MHz
Figure 61.
OPEN-LOOP GAIN AND PHASE
vs
FREQUENCY
80
0
V_S = 5 V
70
20
60
Gain
40
50
60
40
80
30
100
20
Phase
120
10
140
0
160
−10
180
100
10 k 100 k 1 M 10 M 100 M 1G
f − Frequency − Hz
Figure 62.
OPEN-LOOP GAIN
vs
CASE TEMPERATURE
85
80
T_A = −40°C
75
T_A = 25°C
70
T_A = 85°C
65
60
55
50
2.5
3
3.5
4
4.5
5
Case Temperature − °C
Figure 63.
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