MCP6421 Datasheet, PDF (10/34 Pages) Microchip Technology – 4.4 μA, 90 kHz Op Amp

MCP6421
Note: Unless otherwise indicated, T_A= +25°C, V_DD = +1.8V to +5.5V, V_SS= GND, V_CM = V_DD/2, V_OUT = V_DD/2,
V_L = V_DD/2, R_L = 100 k to V_L and C_L = 30 pF.
150
140
130
120
110
100
90
V_DD = 5.5V
V_DD = 1.8V
80
70
0.00 0.05 0.10 0.15 0.20 0.25 0.30
Output Voltage Headroom (V)
V_DD - V_OH or V_OL - V_SS
FIGURE 2-19:
DC Open-Loop Gain vs.
Output Voltage Headroom.
40
30
Isc+@ T_A = +125°C
T_A = +85°C
20
T_A = +25°C
T_A = -40°C
10
0
-10
Isc-@ T_A = +125°C
-20
T_A = +85°C
T_A = +25°C
-30
T_A = -40°C
-40
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
Power Supply Voltage (V)
FIGURE 2-22:
Output Short Circuit Current
vs. Power Supply Voltage.
100.0
180
90.0
160
140
80.0
120
70.0
Gain Bandwidth Product
100
60.0
80
60
50.0
40.0
V_DD = 51.25VV
Phase Margin
40
20
30.0
0
-50 -25 0 25 50 75 100 125
Ambient Temperature (°C)
FIGURE 2-20:
Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature.
10
V_DD = 5.5V
V_DD = 1.8V
1
0.1
10₁0_k0
FIGURE 2-23:
Frequency.
10₁0₀00_k
Frequency (Hz)
10¹⁰0⁰k⁰⁰⁰
Output Voltage Swing vs.
100.0
180
90.0
160
140
80.0
120
70.0
Gain Bandwidth Product
100
60.0
50.0
40.0
V_DD = 1.8V
Phase Margin
30.0
-50 -25 0 25 50 75 100
Ambient Temperature (°C)
80
60
40
20
0
125
FIGURE 2-21:
Gain Bandwidth Product,
Phase Margin vs. Ambient Temperature.
1000
V_DD = 1.8V
100
10
V_DD - V_OH
1
V_OL - V_SS
0.1
0.001 0.01
0.1
1
10
100
Output Current (mA)
FIGURE 2-24:
Output Voltage Headroom
vs. Output Current.
DS25165A-page 10
 2013 Microchip Technology Inc.