Datasheet

MCP6546/6R/6U/7/8/9
DS21714G-page 8 © 2002-2012 Microchip Technology Inc.
Note: Unless otherwise indicated, V
DD
= +1.6V to +5.5V, V
SS
= GND, T
A
=+25°C, V
IN
+=V
DD
/2, V
IN
– = GND,
R
PU
=2.74kΩ to V
PU
=V
DD
, and C
L
=36pF.
FIGURE 2-13: CMRR,PSRR vs. Ambient
Temperature.
FIGURE 2-14: Input Bias Current, Input
Offset Current vs. Ambient Temperature.
FIGURE 2-15: Quiescent Current vs.
Common Mode Input Voltage at V
DD
=1.6V.
FIGURE 2-16: Input Bias Current, Input
Offset Current vs. Common Mode Input Voltage.
FIGURE 2-17: Quiescent Current vs.
Power Supply Voltage.
FIGURE 2-18: Quiescent Current vs.
Common Mode Input Voltage at V
DD
=5.5V.
55
60
65
70
75
80
85
90
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
CMRR, PSRR (dB)
Input Referred
PSRR, V
IN
+ = V
SS
, V
DD
= 1.6V to 5.5V
CMRR, V
IN
+ = -0.3 to 5.3V, V
DD
= 5.0V
0.1
1
10
100
1000
55 65 75 85 95 105 115 125
Ambient Temperature (°C)
Input Bias, Offset Currents
(pA)
I
B
| I
OS
|
V
DD
= 5.5V
V
CM
= V
DD
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
Common Mode Input Voltage (V)
Quiescent Current
per Comparator (µA)
V
DD
= 1.6V
Sweep V
IN
+, V
IN
– = V
DD
/2
Sweep V
IN
–, V
IN
+ = V
DD
/2
I
Q
does not include pull-up resistor current
0.1
1
10
100
1000
10000
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Common Mode Input Voltage (V)
Input Bias, Offset Currents
(A)
V
DD
= 5.5V
100f
100p
1p
10p
1n
10n
I
B
, T
A
= +125°C
I
B
, T
A
= +85°C
I
OS
, T
A
= +125°C
I
OS
, T
A
= +85°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Power Supply Voltage (V)
Quiescent Current
per Comparator (µA)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Common Mode Input Voltage (V)
Quiescent Current
per Comparator (µA)
V
DD
= 5.5V
Sweep V
IN
+, V
IN
– = V
DD
/2
Sweep V
IN
–, V
IN
+ = V
DD
/2
I
Q
does not include pull-up resistor current