Datasheet

MCP6H91/2/4
DS25138B-page 8  2012 Microchip Technology Inc.
Note: Unless otherwise indicated, T
A
=+25°C, V
DD
= +3.5V to +12V, V
SS
= GND, V
CM
=V
DD
/2 - 1.4V, V
OUT
 V
DD
/2,
V
L
=V
DD
/2, R
L
=10kto V
L
and C
L
=60pF.
FIGURE 2-7: Input Offset Voltage vs.
Power Supply Voltage.
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: Input Bias, Offset Currents
vs. Ambient Temperature.
-1000
-900
-800
-700
-600
-500
-400
-300
-200
-100
0
01234567891011
12
Input Offset Voltage (μV)
Power Supply Voltage (V)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
Representative Part
1
10
100
1,000
Input Noise Voltage Density
(nV/√Hz)
Frequency (Hz)
1 10 100 1k 10k 100k 1M
0
2
4
6
8
10
12
14
16
18
20
-113579
11
Input Noise Voltage Density
(nV/√Hz)
Common Mode Input Voltage (V)
f = 10 kHz
V
DD
= 12 V
20
30
40
50
60
70
80
90
100
110
10 100 1000 10000 100000
1000000
CMRR, PSRR (dB)
Frequency (Hz)
10 100 1k 10k 100k 1M
CMRR
PSRR+
PSRR-
Representative Part
40
50
60
70
80
90
100
110
120
130
-50 -25 0 25 50 75 100
125
CMRR, PSRR (dB)
Ambient Temperature (°C)
PSRR
CMRR @ V
DD
= 12V
@ V
DD
= 5V
@ V
DD
= 3.5V
0.1
1
10
100
1000
10000
25 35 45 55 65 75 85 95
105
115
125
Input Bias and Offset Currents
(A)
Ambient Temperature (°C)
Input Bias Current
Input Offset Current
V
DD
= 12 V
10n
1n
100p
10p
1p
0.1p