Datasheet

-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
BiasCurrent(nA)
80
70
60
50
40
30
20
10
0
Population(%)
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
BiasCurrent(nA)
90
80
70
60
50
40
30
20
10
0
Population(%)
10
8
6
4
2
0
2
4
6
8
10
-
-
-
-
-
I /I Current(nA)
BIAS OS
-50 -25 0 50 100 150
Temperature( C)
°
IN1_I _1
IN1_I _128
IN1_ _1
IN1_I _128
BIAS
BIAS
OFFSET
I
OFFSET
25
75
125
I
OFFSET
I
BIAS
-1.0
-0.9
-0.8
-0.7
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
InputOffsetCurrent(nA)
70
60
50
40
30
20
10
0
Population(%)
PGA280
www.ti.com ................................................................................................................................................ SBOS487A –JUNE 2009–REVISED SEPTEMBER 2009
TYPICAL CHARACTERISTICS (continued)
At T
A
= +25°C, VSP = +15V, VSN = –15V, VSON = 0V, VSOP = 5V, DVDD = +3V, DGND = 0V, R
L
= 2.5kΩ to VSOP/2 =
VOCM, G = 1V/V, using internal clock, BUF inactive, V
CM
= 0V, and differential input and output, unless otherwise noted.
INPUT BIAS CURRENT DISTRIBUTION (G = 128) INPUT BIAS CURRENT DISTRIBUTION (G = 1)
Figure 19. Figure 20.
INPUT BIAS CURRENT AND INPUT OFFSET CURRENT
INPUT OFFSET CURRENT DISTRIBUTION (G = 1, G = 128) vs TEMPERATURE
Figure 21. Figure 22.
Copyright © 2009, Texas Instruments Incorporated Submit Documentation Feedback 11
Product Folder Link(s): PGA280