MCP6021/1R/2/3/4
Note:
Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.5V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈
V
DD
/2,
R
L
= 10 kΩ to V
DD
/2 and C
L
= 60 pF.
50
40
30
20
10
0
-10
-20
-30
-40
-50
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)
50
40
30
20
10
0
-10
-20
-30
-40
-50
V
REF
Accuracy; V
REF
– V
DD
/2
(mV)
V
REF
Accuracy; V
REF
– V
DD
/2
(mV)
Representative Part
V
DD
= 5.5V
V
DD
= 2.5V
-50
-25
0
25
50
75
100
Ambient Temperature (°C)
125
FIGURE 2-37:
V
REF
Accuracy vs. Supply
Voltage (MCP6021 and MCP6023 only).
1.6
1.4
Quiescent Current
(mA/amplifier)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0
0.5
1.0
1.5
2.0
Chip Select Voltage (V)
2.5
V
DD
= 2.5V
G = +1 V/V
V
IN
= 1.25V
CS swept
low to high
CS swept
high to low
Hysteresis
Op Amp
turns on here
Op Amp
shuts off here
FIGURE 2-40:
V
REF
Accuracy vs.
Temperature (MCP6021 and MCP6023 only).
1.6
1.4
Quiescent Current
(mA/amplifier)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Chip Select Voltage (V)
V
DD
= 5.5V
G = +1 V/V
V
IN
= 2.75V
CS swept
high to low
Hysteresis
CS swept
low to high
Op Amp
turns on here
Op Amp
shuts off here
FIGURE 2-38:
Chip Select (CS) Hysteresis
(MCP6023 only) with V
DD
= 2.5V.
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
V
DD
= 5.0V
G = +1 V/V
V
IN
= V
SS
FIGURE 2-41:
Chip Select (CS) Hysteresis
(MCP6023 only) with V
DD
= 5.5V.
Chip Select Voltage,
Output Voltage (V)
CS Voltage
V
OUT
Output
on
Output High-Z
Output
on
0.0E+00
5.0E-06
1.0E-05
1.5E-05
2.0E-05
2.5E-05
3.0E-05
3.5E-05
Time (5 µs/div)
FIGURE 2-39:
Chip Select (CS) to
Amplifier Output Response Time (MCP6023
only).
©
2006 Microchip Technology Inc.
DS21685C-page 11
MICROCHIP [ MICROCHIP TECHNOLOGY ]
