MCP6271 datasheet(8/34 Pages) MICROCHIP

8 / 34 page

MCP6271/2/3/4/5

DS21810D-page 8

 2004 Microchip Technology Inc.

TYPICAL PERFORMANCE CURVES (Continued)

Note: Unless otherwise indicated, TA = +25°C, VDD = +2.0V to +5.5V, VSS = GND, VCM = VDD/2, VOUT ≈ VDD/2,

RL = 10 kΩ to VDD/2 and CL = 60 pF.

FIGURE 2-19:

Input Noise Voltage Density

vs. Frequency.

FIGURE 2-20:

Output Short-Circuit Current

vs. Power Supply Voltage.

FIGURE 2-21:

Quiescent Current vs.

Chip Select (CS) Voltage at VDD = 2.0V

(MCP6273 and MCP6275 only).

FIGURE 2-22:

Input Noise Voltage Density

vs. Common Mode Input Voltage at 1 kHz.

FIGURE 2-23:

Channel-to-Channel

Separation vs. Frequency (MCP6272 and

MCP6274).

FIGURE 2-24:

Quiescent Current vs.

Chip Select (CS) Voltage at VDD = 5.5V

(MCP6273 and MCP6275 only).

100

1,000

1.E-01

1.E+00

1.E+01

1.E+02

1.E+03

1.E+04

1.E+05

1.E+06

Frequency (Hz)

0.1

100

100k

10k

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)

TA = +125°C

TA = +85°C

TA = +25°C

TA =

-40°C

100

150

200

250

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

Chip Select Voltage (V)

Hysteresis

Op-Amp shuts off here

Op-Amp turns on here

VDD = 2.0 V

CS swept

high to low

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

Common Mode Input Voltage (V)

f = 1 kHz

VDD = 5.0V

100

110

120

130

140

100

Frequency (kHz)

100

200

300

400

500

600

700

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)

Hysteresis

Op Amp toggles On/Off here

VDD = 5.5V

CS swept

low to high

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