MCP6141 datasheet(5/32 Pages) MICROCHIP

5 / 32 page

 2002 Microchip Technology Inc.

21668A-page 5

MCP6141/2/3/4

Note: Unless otherwise indicated, VDD = +5V, VSS = GND, TA = 25°C, VCM = VDD/2, RL = 1 MΩ to VDD/2, CL = 60 pF,

and VOUT ~VDD/2.

FIGURE 2-7:

Input Offset Voltage vs.

Output Voltage vs. Power Supply Voltage.

FIGURE 2-8:

Input Noise Voltage Density

vs. Frequency.

FIGURE 2-9:

Common Mode Rejection

Ratio, Power Supply Rejection Ratio vs.

Frequency.

FIGURE 2-10:

Input Bias, Offset Currents

vs. Common Mode Input Voltage with

Temperature = 85°C.

FIGURE 2-11:

Input Noise Voltage Density

vs. Common Mode Input Voltage.

FIGURE 2-12:

Common Mode Rejection

Ratio, Power Supply Rejection Ratio vs. Ambient

Temperature.

250

300

350

400

450

500

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

Output Voltage (V)

VDD = 1.4 V

RL = 50 k

VDD = 5.5 V

100

1,000

0.1

100

1000

Frequency (Hz)

Eni = 4.7 µVP-P, f = 0.1 to 10 Hz

eni = 167 nV/ Hz, f = 1 kHz

100

1000

Frequency (Hz)

PSRR-

CMRR

PSRR+

VDD = 5.0 V

Referred to Input

100

0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

Common Mode Input Voltage (V)

Input Bias Current

Input Offset Current

TA = 85°C

VDD = 5.5 V

100

150

200

250

300

-0.5

0.5

1.5

2.5

3.5

4.5

5.5

Common Mode Input Voltage (V)

f = 1 kHz

VDD = 5.0 V

100

-40

-20

2040

6080

Ambient Temperature (°C)

PSRR (VCM = VSS)

CMRR (VDD = 5.0 V,

VCM = -0.3 V to +5.3 V)

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