MCP6291 datasheet(8/36 Pages) MICROCHIP

8 / 36 page

MCP6291/1R/2/3/4/5

DS21812E-page 8

TYPICAL PERFORMANCE CURVES (CONTINUED)

Note: Unless otherwise indicated, T

A = +25°C, VDD = +2.4V to +5.5V, VSS =GND, VCM =VDD/2, VOUT ≈ VDD/2,

VL = VDD/2, RL =10kΩ to VL, CL = 60 pF, and CS is tied low.

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 = 2.4V

(MCP6293 and MCP6295 only).

FIGURE 2-22:

Input Noise Voltage Density

vs. Common Mode Input Voltage at 10 kHz.

FIGURE 2-23:

Channel-to-Channel

Separation vs. Frequency (MCP6292, MCP6294

and MCP6295 only).

FIGURE 2-24:

Quiescent Current vs.

Chip Select (CS) Voltage at VDD = 5.5V

(MCP6293 and MCP6295 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

0.0

0.2

0.4

0.6

0.8

1.0

1.2

0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 2.4

Chip Select Voltage (V)

Hysteresis

Op-Amp shuts off here

Op-Amp turns on here

VDD = 2.4V

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 = 10 kHz

VDD = 5.0V

100

110

120

130

140

110

100

Frequency (kHz)

0.0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

0.00.5

1.01.5

2.02.5

3.03.5

4.0

4.5

5.05.5

Chip Select Voltage (V)

Hysteresis

VDD = 5.5V

CS swept

low to high

CS swept

high to low

Op Amp shuts off

Op Amp turns on

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