Product Specs

Table Of Contents
38 COMP Comparator
Page
402
Symbol
Description
Min.
Typ.
Max.
Units
V
DIFFHYST
Optional hysteresis applied to differential input
30
mV
V
VDD-VREF
Required difference between VDD and a selected VREF, VDD >
VREF
0.3
V
I
INT_REF
Current used by the internal bandgap reference when selected
as source for VREF
13
µA
t
INT_REF,START
Startup time for the internal bandgap reference
50
80
µS
E
INT_REF
Internal bandgap reference error
-3
3
%
R
LADDER
Reference ladder resistance, ILADDER = VREF / RLADDER
550
kΩ
V
INPUTOFFSET
Input offset
-10
10
mV
D
NLLADDER
Differential non-linearity of reference ladder
<0.1
LSB
t
COMP,START
Startup time for the comparator core
3
µS
Total comparator run current must be calculated from the I
COMP
, I
INT_REF
, I
SOURCE
and I
LADDER
values for a
given reference voltage.