Ult ra Lo w -P o w e r, Lo w -Co s t
Co m p a ra t o rs w it h 2 % Re fe re n c e
1-MAX934
____________________________________________________________P in De s c rip t io n s
PIN
NAME
FUNCTION
MAX931 MAX932 MAX933
1
–
–
GND
OUTA
V-
Ground. Connect to V- for single-supply operation. Output swings from V+ to GND.
–
1
1
Comparator A output. Sinks and sources current. Swings from V+ to V-.
Negative supply. Connect to ground for single-supply operation (MAX931).
Noninverting comparator input
2
3
–
4
–
–
2
–
3
–
4
–
2
–
3
–
–
4
IN+
INA+
IN-
Noninverting input of comparator A
Inverting comparator input
INB+
INB-
Noninverting input of comparator B
Inverting input of comparator B
Hysteresis input. Connect to REF if not used. Input voltage range is from
5
5
5
HYST
V
to V
- 50mV.
REF
REF
6
7
8
–
6
7
–
8
6
7
–
8
REF
V+
Reference output. 1.182V with respect to V-.
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
NAME
FUNCTION
MAX934
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 ]
