
AN221E04 Datasheet – Dynamically Reconfigurable FPAA With Enhanced I/O
DS030100-U006a - 14 -
CAB (Configurable Analog Block) Differential Comparator
Parameter
Input Range, Internal
Input Range, External
Differential Input, Internal
Differential Input, External
Common Mode Output Voltage
Range, Internal
Common Mode Input Voltage
Range, External
Common Mode Input Voltage,
External
Differential Output
Single Pin Output (Ox1P)
Input Voltage Offset
Offset Voltage Temperature
Coefficient
Setup Time, Internal
Setup Time, External
Delay Time
Symbol
Vina
Vina
Vdiffina
Vdiffina
Min
0.1
0.0
-
+/- 0.0
Typ
-
-
-
-
Max
3.9
Vdd
+/-3.8
+/- Vdd
Unit
V
V
V
V
Comment
Common mode voltage = 2 V
Vcm
1.9
2.0
2.1
V
Vcm
0
2.0
4
V
Vcm
0
-
5
V
The comparator will function
correctly
Zero hysterisis
from -40°C to 125°C,
Zero Hysterisis
Td = 1/Fc
Fc = master clock frequency
Applies if comparator drive off
chip with output cell in bypass
mode
Applies if comparator drive off
chip with output cell in bypass
mode
Voutdiff
Vout
Voffcomp
-
0
-
-
-
2
+/-5
5
10
V
V
mV
Voffsettc
-
1
10
μV/°C
Tsetint
Tsetext
-
-
-
-
125
500
nsec
nsec
Tdelay
Td+25
-
1Td+25
nsec
Output Load
Rload
10
-
-
Kohm
Output Load
Cload
-
-
50
pF
Differential Variable Reference
Voltage Settings
Differential Hysteresis
Differential Hysteresis
Differential Hysteresis
Differential Hysteresis
Hysteresis Setting Accuracy
Hysteresis Temperature
Coefficient
Hysteresis Temperature
Coefficient
Hysteresis Temperature
Coefficient
Hysteresis Temperature
Coefficient
CompVref
0
-
+/-4.0
V
Hysta1
Hysta2
Hysta3
Hysta4
Hystb
-
-
-
-
-
Voffcomp
20
40
80
25
-
-
-
-
-
mV
mV
mV
mV
%
Hysteresis setting = zero
Hysteresis setting = 10mV
Hysteresis setting = 20mV
Hysteresis setting = 40mV
Hysttc1
-
5
-
μV/°C
Hysteresis setting = zero
Hysttc2
-
50
-
μV/°C
Hysteresis setting = 10mV
Hysttc3
-
100
-
μV/°C
Hysteresis setting = 20mV
Hysttc4
-
200
-
μV/°C
Hysteresis setting = 40mV
c
. High precision operating range provides optimal linearity and dynamic range.
d
. Standard precision operating range provides maximum dynamic range and reduced linearity.