MCP6021_06 Datasheet, PDF (8/34 Pages) Microchip Technology – Rail-to-Rail Input/Output, 10 MHz Op Amps

MCP6021/1R/2/3/4
Note: Unless otherwise indicated, T_A = +25°C, V_DD = +2.5V to +5.5V, V_SS = GND, V_CM = V_DD/2, V_OUT ≈ V_DD/2,
R_L = 10 kΩ to V_DD/2 and C_L = 60 pF.
130
V_DD = 5.5V
120
110
V_DD = 2.5V
100
90
80 1.E+02
100
1.E +0 3
1k
1.E+04
10k
Load Resistance (Ω)
1. E+0 5
100k
FIGURE 2-19: DC Open-Loop Gain vs.
Load Resistance.
120
115
V_DD = 5.5V
110
105
100
V_DD = 2.5V
95
90
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2-22:
Temperature.
DC Open-Loop Gain vs.
120
V_CM = V_DD/2
110
100
V_DD = 5.5V
90
V_DD = 2.5V
80
70
0.00
0.05 0.10 0.15 0.20 0.25
Output Voltage Headroom (V);
V_DD - V_OH or V_OL - V_SS
0.30
FIGURE 2-20: Small Signal DC Open-Loop
Gain vs. Output Voltage Headroom.
14
105
12 ^{Gain Bandwidth Product}
90
10
75
8
60
6
Phase Margin, G = +1
45
4
30
2
15
V_DD = 5.0V
0
0
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)
FIGURE 2-23:
Gain Bandwidth Product,
Phase Margin vs. Common Mode Input Voltage.
10
9
8
7
6
5 GBWP, V_DD = 5.5V
4 GBWP, V_DD = 2.5V
3 PM, VDD = 2.5V
2 ^{PM, V}DD ^{= 5.5V}
1
0
-50 -25 0 25 50 75 100
Ambient Temperature (°C)
100
90
80
70
60
50
40
30
20
10
0
125
FIGURE 2-21: Gain Bandwidth Product,
Phase Margin vs. Temperature.
14
105
12
Gain Bandwidth Product
90
10
75
8
60
Phase Margin, G = +1
6
45
4
30
2
V_DD = 5.0V
V_CM = V_DD/2
15
0
0
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0
Output Voltage (V)
FIGURE 2-24:
Gain Bandwidth Product,
Phase Margin vs. Output Voltage.
DS21685C-page 8
© 2006 Microchip Technology Inc.