Datasheet

MCP6291/1R/2/3/4/5
DS21812E-page 8 © 2007 Microchip Technology Inc.
TYPICAL PERFORMANCE CURVES (CONTINUED)
Note: Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.4V to +5.5V, V
SS
=GND, V
CM
=V
DD
/2, V
OUT
≈ V
DD
/2,
V
L
= V
DD
/2, R
L
=10kΩ to V
L
, C
L
= 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 V
DD
= 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 V
DD
= 5.5V
(MCP6293 and MCP6295 only).
1
10
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)
Input Noise Voltage Density
(nV/
√
Hz)
0.1 10010 1k 100k10k 1M1
0
5
10
15
20
25
30
35
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)
Ouptut Short Circuit Current
(mA)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -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)
Quiescent Current
(mA/Amplifier)
Hysteresis
Op-Amp shuts off here
Op-Amp turns on here
V
DD
= 2.4V
CS swept
high to low
CS swept
low to high
0
1
2
3
4
5
6
7
8
9
10
11
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)
Input Noise Voltage Density
(nV/
√
Hz)
f = 10 kHz
V
DD
= 5.0V
100
110
120
130
140
110100
Frequency (kHz)
Channel-to-Channel
Separation (dB)
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
0.00.51.01.52.02.53.03.54.04.55.05.5
Chip Select Voltage (V)
Quiescent Current
(mA/Amplifier)
Hysteresis
V
DD
= 5.5V
CS swept
low to high
CS swept
high to low
Op Amp shuts off
Op Amp turns on