Microchip Technology MCP3421DM-WS Data Sheet
© 2008 Microchip Technology Inc.
DS22093B-page 9
MCP6V06/7/8
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +1.8V to 5.5V, V
SS
= GND, V
CM
= V
DD
/3, V
OUT
= V
DD
/2,
V
L
= V
DD
/2, R
L
= 20 k
Ω to V
L
, C
L
= 60 pF, and CS = GND.
FIGURE 2-13:
DC Open-Loop Gain vs.
Ambient Temperature.
FIGURE 2-14:
Input Bias and Offset
Currents vs. Common Mode Input Voltage with
T
T
A
= +85°C.
FIGURE 2-15:
Input Bias and Offset
Currents vs. Common Mode Input Voltage with
T
T
A
= +125°C.
FIGURE 2-16:
Input Bias and Offset
Currents vs. Ambient Temperature with
V
V
DD
= +5.5V.
FIGURE 2-17:
Input Bias Current vs. Input
Voltage (below V
SS
).
120
125
130
135
140
145
150
155
160
-50
-25
0
25
50
75
100
125
Ambient Temperature (°C)
DC
Op
en
-L
oo
p
Ga
in
(
d
B)
V
DD
= 5.5V
V
DD
= 1.8V
-150
-100
-50
0
50
100
150
200
-0
.5
0.
0
0.5
1.
0
1.5
2.0
2.
5
3.0
3.5
4.
0
4.5
5.0
5.
5
6.0
Common Mode Input Voltage (V)
Input
B
ia
s
, O
ff
s
e
t
Cu
rr
e
n
ts
(p
A
)
I
B
T
A
= +85°C
V
DD
= 5.5V
I
OS
-400
-200
0
200
400
600
800
1000
1200
1400
1600
-0
.5
0.
0
0.
5
1.
0
1.
5
2.
0
2.
5
3.
0
3.
5
4.
0
4.
5
5.
0
5.
5
6.
0
Common Mode Input Voltage (V)
In
p
u
t
B
ias
, Of
fset
Cu
rren
ts
(p
A
)
I
B
T
A
= +125°C
V
DD
= 5.5V
I
OS
1
10
100
1,000
10,000
25 35 45 55 65 75 85 95 105 115 125
Ambient Temperature (°C)
In
pu
t
B
ias
, Of
fset
Cu
rre
nt
s
(p
A)
V
DD
= 5.5V
-I
OS
I
B
1.E-12
1.E-11
1.E-10
1.E-09
1.E-08
1.E-07
1.E-06
1.E-05
1.E-04
1.E-03
1.E-02
-1.0 -0.9 -0.8 -0.7 -0.6 -0.5 -0.4 -0.3 -0.2 -0.1 0.0
Input Voltage (V)
Inpu
t
C
u
rre
nt Ma
gnitude
(A)
+125°C
+85°C
+25°C
+25°C
-40°C
10m
1m
100µ
10µ
1µ
100n
10n
1n
100p
10p
1p