MCP6V27 Datasheet, PDF (12/46 Pages) Microchip Technology – 620 μA, 2 MHz Auto-Zeroed Op Amps

MCP6V27
Note: Unless otherwise indicated, T_A = +25°C, V_DD = +2.3V to 5.5V, V_SS = GND, V_CM = V_DD/3, V_OUT = V_DD/2,
V_L = V_DD/2, R_L = 10 kΩ to V_L and C_L = 60 pF.
2.3 Frequency Response
110
100
90
80
70
60
50
40
30
20
10
0
1.E1+0002
CMRR
PSRR+
PSRR-
1.E1+k03
1.E1+0k04
1.1E0+00k5
Frequency (Hz)
1.E1+M06
FIGURE 2-25:
Frequency.
CMRR and PSRR vs.
3.0
100
2.5
GBWP
V_DD = 5.5V
90
2.0
80
1.5
PM
1.0
70
V_DD = 2.3V
60
0.5
50
0.0
-50
40
-25 0 25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2-28:
Gain Bandwidth Product
and Phase Margin vs. Ambient Temperature.
70
60
50
40
30
20
10
0
-10
-20
1.E1+k03
0
VDD = 2.3V
C_L = 60 pF
-30
-60
∠A_OL
-90
-120
-150
| A_OL |
-180
-210
-240
1.E10+k04 11.E0+00k5 1.E1+M06
Frequency (Hz)
-270
1.1E0+M07
FIGURE 2-26:
Open-Loop Gain vs.
Frequency with V_DD = 2.3V.
70
60
50
40
30
20
10
0
-10
-20
1.E1+k03
0
V_DD = 5.5V
C_L = 60 pF
-30
-60
-90
∠A_{OL -120}
-150
| AOL |
-180
-210
-240
1.E10+k04 1.1E0+00k5 1.E1+M06
Frequency (Hz)
-270
1.1E0+M07
FIGURE 2-27:
Open-Loop Gain vs.
Frequency with V_DD = 5.5V.
4.0
120
3.5
110
3.0
100
2.5
V_DD = 2.3V
GBWP
V_DD = 5.5V
90
2.0
80
1.5
70
1.0
60
PM
0.5
50
0.0
40
Common Mode Input Voltage (V)
FIGURE 2-29:
Gain Bandwidth Product
and Phase Margin vs. Common Mode Input
Voltage.
4.0
120
3.5
110
3.0
100
2.5
V_DD = 2.3V PM
V_DD = 5.5V
90
2.0
80
1.5
70
1.0
GBWP
60
0.5
50
0.0
40
0.0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Output Voltage (V)
FIGURE 2-30:
Gain Bandwidth Product
and Phase Margin vs. Output Voltage.
DS25007A-page 12
© 2011 Microchip Technology Inc.