Ult ra Lo w -P o w e r,
S in g le /Du a l-S u p p ly Co m p a ra t o rs
1–MAX924
_______________________________________________P in De s c rip t io n s (c o n t in u e d )
PIN
NAME
FUNCTION
MAX921 MAX922 MAX923
–
5
5
–
4
5
INB-
Inverting input of comparator B
Hysteresis input. Connect to REF if not used. Input voltage range is from
HYST
V
to V - 50mV.
REF
REF
6
–
7
8
–
–
6
7
–
8
6
–
7
–
8
REF
INB+
V+
Reference output. 1.182V with respect to V-.
Noninverting input of comparator B
Positive supply
OUT
OUTB
Comparator output. Sinks and sources current. Swings from V+ to GND.
Comparator B output. Sinks and sources current. Swings from V+ to V-.
PIN
MAX924
NAME
FUNCTION
1
2
OUTB
OUTA
V+
Comparator B output. Sinks and sources current. Swings from V+ to GND.
Comparator A output. Sinks and sources current. Swings from V+ to GND.
Positive supply
3
4
INA-
INA+
INB-
INB+
REF
Inverting input of comparator A
5
Noninverting input of comparator A
6
Inverting input of comparator B
7
Noninverting input of comparator B
8
Reference output. 1.182V with respect to V-.
Negative supply. Connect to ground for single-supply operation.
Inverting input of comparator C
9
V-
10
11
12
13
14
15
16
INC-
INC+
IND-
IND+
GND
OUTD
OUTC
Noninverting input of comparator C
Inverting input of comparator D
Noninverting input of comparator D
Ground. Connect to V- for single-supply operation.
Comparator D output. Sinks and sources current. Swings from V+ to GND.
Comparator C output. Sinks and sources current. Swings from V+ to GND.
_______________________________________________________________________________________
7
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
