MCP6561_13 Datasheet, PDF (10/46 Pages) Microchip Technology – 1.8V Low-Power Push-Pull Output Comparator

MCP6561/1R/1U/2/4
Note: Unless otherwise indicated, V_DD = +1.8V to +5.5V, V_SS = GND, T_A = +25°C, V_IN+ = V_DD/2, V_IN– = GND,
R_L = 10 k to V_DD/2, and C_L = 25 pF.
1000
100
10
1
100mV Over-Drive
V_CM = V_DD/2
V_DD = 1.8V, t_PLH
VDD = 1.8V, tPHL
V_DD = 5.5V, t_PLH
V_DD = 5.5V, t_PHL
0.1
0.01
0.0₁01 0.₁0₀1
0₁.₀1_{0 10}1_{00 10}1₀0_{00 10}1₀0_{000 1}1_E0₊0₀0₆
Capacitive Load (nf)
FIGURE 2-31:
Propagation Delay vs.
Capacitive Load.
30%
25%
20%
15%
10%
5%
0%
-600
-400
VCM = VSS
Avg. = 200 µV/V
StDev= 94 µV/V
3588 units
-200
0
200 400 600
PSRR (µV/V)
FIGURE 2-34:
Ratio (PSRR).
Power Supply Rejection
1E1+01m1
1E+10m9
1E1+00µ7
1¹E⁰+⁰0ⁿ5
1E+¹0ⁿ3
1E¹+⁰0^p1
T_A= -40°C
TA= +25°C
TA= +85°C
T_A= +125°C
1⁰E^.1-0^p1
-0.8
-0.6
-0.4
-0.2
0
Input Voltage (V)
FIGURE 2-32:
Input Bias Current vs. Input
Voltage vs Temperature.
30%
20%
V_CM = V_DD/2 to V_DD+ 0.2V
Avg. = 0.7 mV
StDev= 1 mV
10%
V_CM = -0.2V to V_DD/2
Avg. = 0.5 mV
StDev= 0.1 mV
V_CM = -0.2V to V_DD + 0.2V
Avg. = 0.6 mV
StDev= 0.1 mV
VDD= 1.8V
3588 units
0%
-5 -4 -3 -2 -1 0 1 2 3 4 5
CMRR (mV/V)
FIGURE 2-35:
Ratio (CMRR).
Common-mode Rejection
80
Input Referred
78
76
PSRR
V_CM = V_SS
V_DD = 1.8V to 5.5V
74
72
70
-50
CMRR
V_CM = -0.3V to V_DD + 0.3V
V_DD = 5.5V
-25 0 25 50 75 100 125
Temperature (°C)
FIGURE 2-33:
Common-mode Rejection
Ratio and Power Supply Rejection Ratio vs.
Temperature.
30%
V_CM = V_DD/2 to V_DD+ 0.3V
Avg. = 0.03 mV
StDev= 0.7 mV
20%
10%
VCM = -0.3V to VDD/2
Avg. = 0.2 mV
StDev= 0.4 mV
V_CM = -0.3V to V_DD + 0.3V
Avg. = 0.1 mV
StDev= 0.4 mV
V_DD= 5.5V
3588 units
0%
-2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
CMRR (mV/V)
FIGURE 2-36:
Ratio (CMRR).
Common-mode Rejection
DS22139C-page 10
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