THS4271-EP Datasheet, PDF (13/44 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)
0.030
0.025
0.020
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
Gain = 2
R_f = 1.3 kΩ
V_S = ±5 V
40 IRE − NTSC and Pal
Worst Case ±100 IRE Ramp
0.015
NTSC
0.010
0.005
PAL
0
012345678
Number of Loads − 150 Ω
Figure 20.
0.10
0.09
0.08
°
0.07
0.06
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
Gain = 2
R_f = 1.3 kΩ
V_S = ±5 V
40 IRE − NTSC and Pal
Worst Case ±100 IRE Ramp
0.05
0.04
PAL
0.03
NTSC
0.02
0.01
0
012 3 45 678
Number of Loads − 150 Ω
Figure 21.
3
2
1
0
−1
−2
−3
0
SETTLING TIME
Rising Edge
Gain = −1
R_L = 499 Ω
R_f = 249 Ω
f= 1 MHz
V_S = ±5 V
Falling Edge
5
10
15
20
25
t − Time − ns
Figure 22.
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 23.
OUTPUT VOLTAGE
vs
LOAD RESISTANCE
5
4
3
V_S = ±5 V
2
T_A = −40 to 85°C
1
0
−1
−2
−3
−4
−5
10
100
1k
10 k
R_L − Load Resistance − Ω
Figure 24.
FREQUENCY RESPONSE
vs
CAPACITIVE LOAD
0.5
0
-0.5
-1
-1.5
-2
R_(ISO) = 25 W, C_L = 10 pF
R_(ISO) = 15 W, C_L = 50 pF
R_(ISO) = 10 W, C_L = 100 pF
-2.5 R_L = 499 W
V_S = ±5 V
-3
1M
10 M
Capacitive Load - Hz
Figure 25.
100 M
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
10 k
100 k 1 M 10 M 100 M
f − Frequency − Hz
180
1G
Figure 26.
OPEN-LOOP GAIN
vs
SUPPLY VOLTAGE
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
Supply Voltage − ±V_S
Figure 27.
REJECTION RATIOS
vs
FREQUENCY
100
V_S = ±5 V
90
80
PSRR+
70
60
50 CMRR
PSRR−
40
30
20
10
0
10 k
100 k
1M
10 M
f − Frequency − Hz
100 M
Figure 28.
Copyright © 2004–2010, Texas Instruments Incorporated
Product Folder Link(s): THS4271-EP
Submit Documentation Feedback
13