MCP601/1R/2/3/4
Note:
Unless otherwise indicated, T
A
= +25°C, V
DD
= +2.7V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈
V
DD
/2,
V
L
= V
DD
/2, R
L
= 100 kΩ to V
L
, C
L
= 50 pF and CS is tied low.
150
Channel-to-Channel
Separation (dB)
140
130
120
110
100
90
1k
1.E+03
10k
100k
1.E+04
1.E+05
Frequency (Hz)
1M
1.E+06
100
90
CMRR, PSRR (dB)
80
70
60
50
40
30
20
V
DD
= 5.0V
10
1
100
10k
1M
10
1k
100k
1.E+00 1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06
Frequency (Hz)
CMRR
No Load
Input Referred
PSRR+
PSRR–
FIGURE 2-13:
Channel-to-Channel
Separation vs. Frequency.
1000
Input Bias and Offset
Currents (pA)
FIGURE 2-16:
Frequency.
1000
Input Bias and Offset
Currents (pA)
CMRR, PSRR vs.
V
DD
= 5.5V
V
CM
= 4.3V
I
B
, +125°C
100
V
DD
= 5.5V
max. V
CMR
≥
4.3V
100
I
B
10
I
OS
I
B
, +85°C
I
OS
, +125°C
I
OS
, +85°C
10
1
25
35
45 55 65 75 85 95 105 115 125
Ambient Temperature (°C)
1
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)
FIGURE 2-14:
Input Bias Current, Input
Offset Current vs. Ambient Temperature.
120
DC Open-Loop Gain (dB)
110
100
90
80
100
1.E+02
V
DD
= 2.7V
V
DD
= 5.5V
FIGURE 2-17:
Input Bias Current, Input
Offset Current vs. Common Mode Input Voltage.
120
DC Open-Loop Gain (dB)
110
100
90
80
2.0
2.5
3.0
3.5
4.0
4.5
Power Supply Voltage (V)
5.0
5.5
R
L
= 25 kΩ
1.E+03
1k
1.E+04
10k
1.E+05
100k
Load Resistance (Ω)
FIGURE 2-15:
Load Resistance.
DC Open-Loop Gain vs.
FIGURE 2-18:
Supply Voltage.
DC Open-Loop Gain vs.
©
2007 Microchip Technology Inc.
DS21314G-page 7
MICROCHIP [ MICROCHIP TECHNOLOGY ]
