Datasheet

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
-1000
-800
-600
-400
-200
0
200
400
600
800
1000
INPUT BIAS (fA)
INP (V)
T
A
=125°C
Average
Average -31
Average +31
-0.50 -0.25 0.00 0.25 0.50
-80
-60
-40
-20
0
20
40
60
80
INPUT BIAS (pA)
INP-VCM (V)
T
A
=125°C
Average
Average -31
Average +31
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
-300
-240
-180
-120
-60
0
60
120
180
240
300
INPUT BIAS (fA)
INP (V)
T
A
=85°C
Average
Average -31
Average +31
-0.50 -0.25 0.00 0.25 0.50
-5
-4
-3
-2
-1
0
1
2
3
4
5
INPUT BIAS (pA)
INP-VCM (V)
T
A
=85°C
Average
Average -31
Average +31
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5
-100
-80
-60
-40
-20
0
20
40
60
80
100
INPUT BIAS (fA)
INP (V)
T
A
=25°C
Average
Average -31
Average +31
-0.50 -0.25 0.00 0.25 0.50
-500
-400
-300
-200
-100
0
100
200
300
400
500
INPUT BIAS (fA)
INP-VCM (V)
T
A
=25°C
Average
Average -31
Average +31
LMP91200
www.ti.com SNAS571C –JANUARY 2012–REVISED MARCH 2013
Typical Performance Characteristics
Unless otherwise specified, T
A
=25°C, V
S
=(VDD-GND)=3.3V, VREF=3.3V.
pH Buffer Input Bias Current pH Buffer Input Bias Current
vs. vs.
V
INP
- Device ON V
INP
- Device OFF
Figure 4. Figure 5.
pH Buffer Input Bias Current pH Buffer Input Bias Current
vs. vs.
V
INP
- Device ON V
INP
- Device OFF
Figure 6. Figure 7.
pH Buffer Input Bias Current pH Buffer Input Bias Current
vs. vs.
V
INP
- Device ON V
INP
- Device OFF
Figure 8. Figure 9.
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