MCP6471 Datasheet, PDF (8/50 Pages) Microchip Technology – 2 MHz, Low-Input Bias Current Op Amps

MCP6471/2/4
Note: Unless otherwise indicated, T_A = +25°C, V_DD = +2.0V to +5.5V, V_SS = GND, V_CM = V_DD/2, V_OUT  V_DD/2,
V_L = V_DD/2, R_L = 10 kto V_L and C_L = 20 pF.
1,000
100
10
10.E.1-1 1.E1+0 1.1E0+1 11.0E0+2 1.1Ek+3 11.E0+k4 11.0E0+k5 11.EM+6
Frequency (Hz)
FIGURE 2-7:
vs. Frequency.
Input Noise Voltage Density
105
100
95
90
85
80
75
70
65
-50
PSRR
CMRR @ V_DD = 5.5V
@ V_DD = 2.0V
-25 0 25 50 75
Temperature (°C)
100 125
FIGURE 2-10:
Temperature.
CMRR, PSRR vs. Ambient
30
25
20
15
10
f = 10 kHz
5
V_DD = 5.5 V
0
Common Mode Input Voltage (V)
FIGURE 2-8:
Input Noise Voltage Density
vs. Common Mode Input Voltage.
100
90
80
70
60
50
40
30
20
1.₁00₀E+01
PSRR+
Representative Part
PSRR-
CMRR
1₁.0₀0₀E+02
1.₁00_kE+03
1.₁00₀E_k+04
Frequency (Hz)
1₁.0₀0E₀+0_k5
1.0₁0E_M+06
FIGURE 2-9:
Frequency.
CMRR, PSRR vs.
1₁0_n00
10010p0
101p0
1p¹
0.1⁰p^.1
0.010.p01
V_DD = 5.5 V
Input Bias Current
Input Offset Current
Ambient Temperature (°C)
FIGURE 2-11:
Input Bias, Offset Currents
vs. Ambient Temperature.
250
200
V_DD = 5.5 V
150
T_A = +125°C
100
50
T_A = +85°C
0
-50
T_A = +25°C
Common Mode Input Voltage (V)
FIGURE 2-12:
Input Bias Current vs.
Common Mode Input Voltage.
DS20002324C-page 8
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