TSM921-TSM924
PIN FUNCTIONS
PIN
NAME
FUNCTION
TSM921 TSM922 TSM923
Ground. Connect to V- for single-supply operation. Output swings
from V+ to GND.
Comparator A Output. Sinks and sources current. Swings from V+
to V-.
Negative Supply Voltage. Connect to ground for single-supply
operation.
1
—
2
—
1
—
1
GND
OUTA
V-
2
2
3
—
4
—
—
—
3
—
4
—
3
—
—
4
IN+
INA+
IN-
INA-
INB-
Comparator Noninverting Input
Comparator A Noninverting Input
Comparator Inverting Input
Comparator A Inverting Input
Comparator B Inverting Input
5
Hysteresis Input. Connect to REF if not used. Input voltage range is
from VREF to (VREF - 50mV).
5
—
5
HYST
6
—
7
—
6
7
6
—
7
REF
INB+
V+
1.182V Reference Output with respect to V-.
Comparator B Noninverting Input
Positive Supply Voltage
Comparator Output. Sinks and sources current. Swings from V+ to
GND.
8
—
—
OUT
Comparator B Output. Sinks and sources current. Swings from V+
to V-.
8
8
OUTB
PIN
TSM924
NAME
FUNCTION
Comparator B Output. Sinks and sources current. Swings
from V+ to GND.
Comparator A Output. Sinks and sources current. Swings
from V+ to GND.
1
OUTB
OUTA
2
3
4
5
6
7
8
V+
Positive Supply Voltage
Comparator A Inverting Input
INA-
INA+
INB-
INB+
REF
Comparator A Noninverting Input
Comparator B Inverting Input
Comparator B Noninverting Input
1.182V Reference Output with respect to V-.
Negative Supply Voltage. Connect to ground for single-
supply operation.
9
V-
10
11
12
13
14
INC-
INC+
IND-
IND+
GND
Comparator C Inverting Input
Comparator C Noninverting Input
Comparator D Inverting Input
Comparator D Noninverting Input
Ground. Connect to V- for single-supply operation.
Comparator D Output. Sinks and sources current. Swings
from V+ to GND.
15
OUTD
Comparator C Output. Sinks and sources current. Swings
16
OUTC from V+ to GND.
Page 10
TSM921_24DS r1p0
RTFDS
TOUCHSTONE [ TOUCHSTONE SEMICONDUCTOR INC ]
