THS4281 Datasheet, PDF (17/31 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER

www.ti.com
TYPICAL CHARACTERISTICS (continued)
1.6
1.4
1.2
1
0.8
0.6
0.4
0.2
0
1
(V_S = ±5 V)
DIFFERENTIAL GAIN
vs
NUMBER OF LOADS
PAL
NTSC
Gain = 2
R_F= 2.5 kΩ
V_S = ±5 V
40 IRE − NTSC and Pal
Worst Case ±100 IRE Ramp
2
3
Number of Loads − 150 Ω
Figure 58.
(V_S = 5 V)
INPUT BIAS AND OFFSET
CURRENT
vs
TEMPERATURE
510
40
V_S = 5 V
500
36
490
32
I_OS
28
480
470
I_IB−
24
20
460
I_IB+
16
450
12
440
8
430
4
420
0
−40 −30−20−10 0 10 20 30 40 50 60 70 80 90
T_C − Case Temperature − °C
Figure 61.
LARGE-SIGNAL
TRANSIENT RESPONSE
3
2.5
Output
2
1.5
1
0.5
Input
0
−0.5
−1
−1.5
−2
−2.5
−3
Gain = 2
R_L = 1 kΩ
R_F = 2.5 kΩ
V_S = ± 5 V
0 100 200 300 400 500 600 700 800
t − Time − ns
Figure 64.
1.6
1.4
° ^1.2
1
0.8
0.6
0.4
0.2
0
1
(V_S = ±5 V)
DIFFERENTIAL PHASE
vs
NUMBER OF LOADS
PAL
NTSC
Gain = 2
R_f = 2.5 kΩ
V_S = ±5 V
40 IRE − NTSC and Pal
Worst Case ±100 IRE Ramp
2
3
Number of Loads − 150 Ω
Figure 59.
(V_S = 15 V)
INPUT BIAS AND
OFFSET CURRENT
vs
TEMPERATURE
520
36
V_S =15 V
510
32
500
I_OS
28
490
I_IB−
24
480
20
470
I_IB+
16
460
12
450
8
440
4
430
0
−40 −30−20 −10 0 10 20 30 40 50 60 70 80 90
T_C − Case Temperature − °C
Figure 62.
(V_S = 5 V)
OVERDRIVE RECOVERY TIME
6
Gain = 2
5 RL = 1 kΩ
R_F = 2.5 kΩ
4
V_S = 5 V
4.25
3.75
3.25
3
2.75
2
Output
2.25
1
1.75
0
−1
0 0.5
Input
1 1.5 2 2.5
t − Time − µs
1.25
0.75
3 3.5
Figure 65.
THS4281
SLOS432 – APRIL 2004
INPUT OFFSET VOLTAGE
vs
TEMPERATURE
800
700
V_ICR = V_S/2
600
500
V_S = 15 V
400
V_S = ±5 V
300
V_S = 5 V
200
V_S = 3 V
100
0
−100
−200
−40−30−20−10 0 10 20 30 40 50 60 70 80 90
T_C − Case Temperature − °C
Figure 60.
SMALL-SIGNAL
TRANSIENT RESPONSE
60
Output
50
40
30
20
Input
10
0
−10
−20
Gain = 2
−30
R_L = 1 kΩ
R_F = 2.5 kΩ
−40
V_S = ± 7.5 V
−50
−60
0 100 200 300 400 500 600 700
t − Time − ns
Figure 63.
(V_S = ±5 V)
OVERDRIVE RECOVERY TIME
6
Gain = 2
5
R_L = 1 kΩ
4 _{RF = 2.5 kΩ}
3 VS = ± 5 V
2
1
0
−1
−2
Output
−3
−4
−5
Input
−6
0 0.5 1 1.5 2 2.5 3
t − Time − µs
3
2
1
0
−1
−2
−3
3.5
Figure 66.
17