MCP6141/2/3/4
Note: Unless otherwise indicated, TA = 25°C, VDD = +1.4V to +5.5V, VSS = GND, VCM = VDD/2, RL = 1 MΩ to VDD/2,
VOUT ≈ VDD/2, and CL = 60 pF.
100100k
11000k00
VDD = 5.5V
VDD = 5.5V
CM = VDD
V
1k
1000
1k
1000
IB
TA = +125°C
TA = +85°C
100
100
100
100
IB
10
10
10
10
| IOS
1
1
1
1
| IOS
|
0.1
0.1
0.1
0.1
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)
45 55 65 75 85 95 105 115 125
Ambient Temperature (°C)
FIGURE 2-13:
Input Bias, Offset Currents
FIGURE 2-16:
Input Bias, Offset Currents
vs. Ambient Temperature.
vs. Common Mode Input Voltage.
130
120
120
100
80
0
-30
-60
VDD = 5.5V
110
Phase
60
-90
100
40
-120
-150
-180
-210
-240
VDD = 1.4V
Gain
90
20
80
70
0
-20
-40
VOUT = 0.1V to VDD - 0.1V
60
10m 100m 10 100 1k 10k 100k
1
100
1k
1.E+03
10k
1.E+04
100k
1.E+05
1.E- 1.E- 1.E+ 1.E+ 1.E+ 1.E+ 1.E+ 1.E+
1.E+02
02 01 00Freq01uenc0y2(Hz)03 04 05
Load Resistance (Ω)
FIGURE 2-14:
Open-Loop Gain, Phase vs.
FIGURE 2-17:
DC Open-Loop Gain vs.
Frequency.
Load Resistance.
140
130
120
110
100
90
140
RL = 50 kΩ
130
VDD = 5.5V
VDD = 1.4V
120
110
100
90
80
RL = 50 kΩ
VOUT = 0.1V to VDD - 0.1V
70
80
0.00
0.05
0.10
0.15
0.20
0.25
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Power Supply Voltage (V)
Output Voltage Headroom;
VDD – VOH or VOL – VSS (V)
FIGURE 2-15:
DC Open-Loop Gain vs.
FIGURE 2-18:
DC Open-Loop Gain vs.
Power Supply Voltage.
Output Voltage Headroom.
© 2005 Microchip Technology Inc.
DS21668B-page 7
MICROCHIP [ MICROCHIP ]
