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THS4281_14 Datasheet, PDF (16/38 Pages) Texas Instruments – VERY LOW-POWER, HIGH-SPEED, RAIL-TO-RAIL INPUT AND OUTPUT VOLTAGE-FEEDBACK OPERATIONAL AMPLIFIER | |||
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THS4281
SLOS432A â APRIL 2004 â REVISED NOVEMBER 2009
www.ti.com
TYPICAL CHARACTERISTICS (continued)
(f = 100 kHz)
TOTAL HARMONIC DISTORTION + NOISE
vs OUTPUT VOLTAGE
0.100
VS = ±5 V
VS = 5 V
VS = 3.3 V
VS = 3 V
VS = 2.7 V
VS = 15 V
0.010
0.001
f = 100 kHz,
Bandwidth = 600 kHz,
Gain = 2,
RF = 2 kâ¦,
RL = 1 k⦠, to VS/2
0.1
1
Amplifier Noise
Limit Line
10 20
VO â Output Voltage â VPP
Figure 55.
(VS = 5 V)
DIFFERENTIAL GAIN vs
NUMBER OF LOADS
0.8
0.7
PAL
0.6
0.5
0.4
NTSC
0.3
0.2
0.1
0
1
Gain = 2
RF= 2.5 kâ¦
VS = 5 V
40 IRE â NTSC and Pal
Worst Case ±100 IRE Ramp
2
3
Number of Loads â 150 â¦
Figure 56.
(VS = 5 V)
DIFFERENTIAL PHASE vs
NUMBER OF LOADS
2
1.8
1.6
°
1.4
PAL
NTSC
1.2
1
0.8
0.6
0.4
0.2
0
1
Gain = 2
Rf = 2.5 kâ¦
VS = 5 V
40 IRE â NTSC and Pal
Worst Case ±100 IRE Ramp
2
3
Number of Loads â 150 â¦
Figure 57.
(VS = ±5 V)
DIFFERENTIAL GAIN vs
NUMBER OF LOADS
1.6
1.4
PAL
1.2
1
0.8
0.6
0.4
0.2
0
1
NTSC
Gain = 2
RF= 2.5 kâ¦
VS = ±5 V
40 IRE â NTSC and Pal
Worst Case ±100 IRE Ramp
2
3
Number of Loads â 150 â¦
Figure 58.
(VS = ±5 V)
DIFFERENTIAL PHASE vs
NUMBER OF LOADS
1.6
1.4
° 1.2
1
0.8
PAL
NTSC
0.6
0.4
0.2
0
1
Gain = 2
Rf = 2.5 kâ¦
VS = ±5 V
40 IRE â NTSC and Pal
Worst Case ±100 IRE Ramp
2
3
Number of Loads â 150 â¦
Figure 59.
INPUT OFFSET VOLTAGE
vs
TEMPERATURE
800
700
VICR = VS/2
600
500
VS = 15 V
400
VS = ±5 V
300
VS = 5 V
200
VS = 3 V
100
0
â100
â200
â40â30â20â10 0 10 20 30 40 50 60 70 80 90
TC â Case Temperature â °C
Figure 60.
(VS = 5 V)
INPUT BIAS AND OFFSET CURRENT
vs TEMPERATURE
510
40
VS = 5 V
500
36
490
32
IOS
28
480
470
IIBâ
24
20
460
IIB+
16
450
12
440
8
430
4
420
0
â40 â30â20â10 0 10 20 30 40 50 60 70 80 90
TC â Case Temperature â °C
Figure 61.
(VS = 15 V)
INPUT BIAS AND OFFSET CURRENT
vs TEMPERATURE
520
36
VS =15 V
510
32
500
IOS
28
490
IIBâ
24
480
20
470
IIB+
16
460
12
450
8
440
4
430
0
â40 â30â20 â10 0 10 20 30 40 50 60 70 80 90
TC â Case Temperature â °C
Figure 62.
SMALL-SIGNAL
TRANSIENT RESPONSE
60
Output
50
40
30
20
Input
10
0
â10
â20
Gain = 2
â30
RL = 1 kâ¦
RF = 2.5 kâ¦
â40
VS = ± 7.5 V
â50
â60
0 100 200 300 400 500 600 700
t â Time â ns
Figure 63.
16
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