MCP6271/1R/2/3/4/5
TYPICAL PERFORMANCE CURVES (Continued)
Note:
Unless otherwise indicated, T
A
= +25°C, V
CM
= +2.0V to +5.5V, V
SS
= GND, V
CM
= V
DD
/2, V
OUT
≈
V
DD
/2,
R
L
= 10 kΩ to V
DD
/2, C
L
= 60 pF, and CS is tied low.
55
Input Bias, Offset Currents
(pA)
Input Bias, Offset Currents
(nA)
45
35
25
15
5
-5
-15
-25
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)
T
A
= 85°C
V
DD
= 5.5V
Input Offset Current
Input Bias Current
2.5
2.0
1.5
1.0
0.5
0.0
-0.5
-1.0
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)
T
A
= 125°C
V
DD
= 5.5V
Input Offset Current
Input Bias Current
FIGURE 2-13:
Input Bias, Offset Currents
vs. Common Mode Input Voltage, with
T
A
= +85°C.
250
Quiescent Current
(µA/amplifier)
200
150
100
50
0
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)
T
A
= +125°C
T
A
= +85°C
T
A
= +25°C
T
A
= -40°C
FIGURE 2-16:
Input Bias, Offset Currents
vs. Common Mode Input Voltage, with
T
A
= +125°C.
1000
Ouput Voltage Headroom
(mV)
100
10
V
OL
– V
SS
V
DD
– V
OH
1
0.01
0.1
1
Output Current Magnitude (mA)
10
FIGURE 2-14:
Supply Voltage.
120
Open-Loop Gain (dB)
100
80
60
40
20
0
-20
1.E+00
1.E+01
1.E+02
Phase
Quiescent Current vs.
FIGURE 2-17:
Output Voltage Headroom
vs. Output Current Magnitude.
3.0
Gain Bandwidth Product
(MHz)
Open-Loop Phase (°)
2.5
2.0
1.5
1.0
0.5
0.0
-50
-25
0
25
50
75 100
Ambient Temperature (°C)
PM, V
DD
= 5.5V
V
DD
= 2.0V
GBWP, V
DD
= 5.5V
V
DD
= 2.0V
80
75
70
65
60
55
50
125
Phase Margin (°)
0
-30
Gain
-60
-90
-120
-150
-180
-210
1.E+03
1.E+04
1.E+05
1.E+06
1.E+07
0.1
1
10 100 1k 10k 100k 1M 10M 100M
Frequency (Hz)
1.E+08
1.E-01
FIGURE 2-15:
Frequency.
Open-Loop Gain, Phase vs.
FIGURE 2-18:
Gain Bandwidth Product,
Phase Margin vs. Temperature.
©
2006 Microchip Technology Inc.
DS21810E-page 7
MICROCHIP [ MICROCHIP TECHNOLOGY ]
