MCP6021 datasheet(13/42 Pages) MICROCHIP

13 / 42 page

DS21685D-page 13

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 =10kΩ to VDD/2 and CL = 60 pF.

FIGURE 2-37:

VREF Accuracy vs. Supply

Voltage (MCP6021 and MCP6023 only).

FIGURE 2-38:

Chip Select (CS) Hysteresis

(MCP6023 only) with VDD = 2.5V.

FIGURE 2-39:

Chip Select (CS) to

Amplifier Output Response Time (MCP6023

only).

FIGURE 2-40:

VREF Accuracy vs.

Temperature (MCP6021 and MCP6023 only).

FIGURE 2-41:

Chip Select (CS) Hysteresis

(MCP6023 only) with VDD = 5.5V.

FIGURE 2-42:

Measured Input Current vs.

Input Voltage (below VSS).

-50

-40

-30

-20

-10

0.00.5 1.01.5 2.0 2.5 3.0 3.5 4.04.5 5.05.5

Power Supply Voltage (V)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

0.0

0.5

1.0

1.5

2.0

2.5

Chip Select Voltage (V)

Op Amp

shuts off here

Op Amp

turns on here

Hysteresis

VDD = 2.5V

G = +1 V/V

VIN = 1.25V

CS swept

low to high

CS swept

high to low

-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

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)

Output High-Z

VDD = 5.0V

G = +1 V/V

VIN = VSS

Output

VOUT

CS Voltage

-50

-40

-30

-20

-10

-50

-25

255075

100

125

Ambient Temperature (°C)

VDD = 5.5V

VDD = 2.5V

Representative Part

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

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)

Op Amp

shuts off here

Op Amp

turns on here

Hysteresis

CS swept

high to low

CS swept

low to high

VDD = 5.5V

G = +1 V/V

VIN = 2.75V

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)

+125°C

+85°C

+25°C

-40°C

10m

100µ

10µ

1µ

100n

10n

100p

10p

MCP6021 Datasheet(PDF) 13 Page - Microchip Technology

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