MCP652 datasheet(18/62 Pages) MICROCHIP

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MCP651/1S/2/3/4/5/9

DS20002146D-page 18

 2009-2014 Microchip Technology Inc.

Note: Unless otherwise indicated, TA =+25°C, VDD = +2.5V to 5.5V, VSS = GND, VCM =VDD/3, VOUT =VDD/2,

VL =VDD/2, RL =1 kto VL, CL = 20 pF, and CAL/CS =VSS.

2.6

Calibration and Chip Select Response

FIGURE 2-44:

CAL/CS Current vs. Power

Supply Voltage.

FIGURE 2-45:

CAL/CS Voltage, Output

Voltage and Supply Current (for Side A) vs. Time

with VDD =2.5V.

FIGURE 2-46:

CAL/CS Voltage, Output

Voltage and Supply Current (for Side A) vs. Time

with VDD =5.5V.

FIGURE 2-47:

CAL/CS Hysteresis vs.

Ambient Temperature.

FIGURE 2-48:

CAL/CS Turn-On Time vs.

Ambient Temperature.

FIGURE 2-49:

CAL/CS’s Pull-Down

Resistor (RPD) vs. Ambient Temperature.

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

1.1

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)

CAL/CS = VDD

-1

0123456789

Time (ms)

-12

-10

-8

-6

-4

-2

VDD = 2.5V

G = 1

VL = 0V

Op Amp

turns on

CAL/CS

Op Amp

turns off

Calibration

starts

IDD

VOUT

-1

012

345

Time (ms)

-14

-12

-10

-8

-6

-4

-2

VDD = 5.5V

G = 1

VL = 0V

CAL/CS

Op Amp

turns off

Calibration

starts

IDD

VOUT

Op Amp

turns on

0.00

0.05

0.10

0.15

0.20

0.25

0.30

0.35

0.40

-50

-25

100

125

Ambient Temperature (°C)

VDD = 2.5V

VDD = 5.5V

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

-50

-25

100

125

Ambient Temperature (°C)

-50

-25

100

125

Ambient Temperature (°C)

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