MCP6021 View Datasheet(PDF) - Microchip Technology
Part Name
Description
MFG CO.
'MCP6021' PDF : 42 Pages View PDF
MCP6021/1R/2/3/4
Note: Unless otherwise indicated, TA = +25°C, VDD = +2.5V to +5.5V, VSS = GND, VCM = VDD/2, VOUT ≈ VDD/2,
RL = 10 kΩ to VDD/2 and CL = 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)
FIGURE 2-37:
VREF Accuracy vs. Supply
Voltage (MCP6021 and MCP6023 only).
50
40 Representative Part
30
20
VDD = 5.5V
10
0
-10
VDD = 2.5V
-20
-30
-40
-50
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2-40:
VREF Accuracy vs.
Temperature (MCP6021 and MCP6023 only).
1.6
1.4
Op Amp
turns on here
1.2
Op Amp
shuts off here
1.0
0.8 CS swept
high to low
0.6
0.4 VDD = 2.5V
G = +1 V/V
0.2 VIN = 1.25V
0.0
Hysteresis
CS swept
low to high
0.0
0.5
1.0
1.5
2.0
2.5
Chip Select Voltage (V)
FIGURE 2-38:
Chip Select (CS) Hysteresis
(MCP6023 only) with VDD = 2.5V.
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2.0
1.5 Output
1.0 on
0.5
0.0
-0.5 0.0E+00
5.0E-06
CS Voltage
VOUT
VDD = 5.0V
G = +1 V/V
VIN = VSS
Output High-Z
Output
on
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).
1.6
1.4
Op Amp
turns on here
1.2
Op Amp
shuts off here
1.0
0.8
CS swept
high to low
0.6
0.4 VDD = 5.5V
G = +1 V/V
0.2 VIN = 2.75V
0.0
Hysteresis
CS swept
low to high
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)
FIGURE 2-41:
Chip Select (CS) Hysteresis
(MCP6023 only) with VDD = 5.5V.
1.E1-00m2
1.E-10m3
1.1E0-04µ
1.E1-05µ
1.E-016µ
1.1E0-07n
1.E1-08n
1.E-019n
1.1E0-100p
1.E1-101p
1.E-12p
+125°C
+85°C
+25°C
-40°C
-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)
FIGURE 2-42:
Measured Input Current vs.
Input Voltage (below VSS).
© 2009 Microchip Technology Inc.
DS21685D-page 13
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