MCP6286 datasheet(8/28 Pages) MICROCHIP

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MCP6286

DS22196A-page 8

Note: Unless otherwise indicated, T

A = +25°C, VDD = +2.2V to +5.5V, VSS = GND, VCM = VDD/3, VOUT ≈ VDD/2,

VL = VDD/2, RL = 10 kΩ to VL and CL = 60 pF.

FIGURE 2-7:

Input Offset Voltage vs.

Power Supply Voltage with VCM = VCMR_H.

FIGURE 2-8:

Input Noise Voltage Density

vs. Frequency.

FIGURE 2-9:

Input Noise Voltage Density

vs. Common Mode Input Voltage.

FIGURE 2-10:

CMRR, PSRR vs.

Frequency.

FIGURE 2-11:

CMRR, PSRR vs. Ambient

Temperature.

FIGURE 2-12:

Common Mode Input

Voltage Headroom vs. Ambient Temperature.

-600

-400

-200

200

400

600

1.52.0 2.53.0 3.54.0 4.55.0 5.56.0

Power Supply Voltage (V)

VCM = VCMR-H

Representative Part

TA = +125°C

TA = +85°C

TA = +25°C

TA = -40°C

100

1,000

1.E-1 1.E+0 1.E+1 1.E+2 1.E+3 1.E+4 1.E+5 1.E+6

Frequency (Hz)

0.1

100

10k 100k

3.0

3.5

4.0

4.5

5.0

5.5

6.0

6.5

7.0

Common Mode Input Voltage (V)

VDD = 5.5 V

VDD = 2.2 V

f = 10 kHz

100

110

120

100

1000

10000 100000 1E+06

Frequency (Hz)

Representative Part

CMRR

PSRR+

PSRR-

100

10k

100k

100

105

110

-50

-25

100

125

Ambient Temperature (°C)

PSRR

CMRR @ VDD = 5.5V

@ VDD = 2.2V

-0.30

-0.15

0.00

0.15

0.30

0.45

0.60

0.75

0.90

1.05

1.20

-50

-25

255075

100

125

Ambient Temperature (°C)

VCMR_L - VSS @ VDD = 2.2V

VOL - VSS @ VDD = 5.5V

VDD - VCMR_H @ VDD = 5.5V

@ VDD = 2.2V

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