TSM973 datasheet(10/19 Pages) SILABS

Part #	TSM973

Description	Ultra-Low-Power, Open-Drain Single/Dual-Supply Comparators

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Manufacturer	SILABS [Silicon Laboratories]

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TSM971/72/73/82/84

Page 10

TSM971/72/73/82/84 Rev. 1.0

PIN FUNCTIONS

NAME

FUNCTION

TSM971

TSM972

TSM973

TSM982

1

—

GND

Ground. Connect to V- for single-supply operation.

2

V-

Negative Supply. Connect to ground for single-supply

operation (TSM971).

3

—

IN+

Comparator Noninverting Input

4

—

IN-

Comparator Inverting Input

5

—

5

HYST

Hysteresis Input. Connect to REF if not used. Input

voltage range is from VREF to (VREF - 50mV).

6

—

6

REF

Reference Output. 1.182V with respect to V-.

7

V+

Positive Supply Voltage

8

—

OUT

Comparator Output. Sinks current to GND.

—

1

OUTA

Comparator A Output. Sinks current to V-.

—

3

INA+

Comparator A Noninverting Input

—

4

—

INA-

Comparator A Inverting Input

—

5

4

—

INB-

Comparator B Inverting Input

—

6

—

4

INB+

Comparator B Noninverting Input

—

8

OUTB

Comparator B Output. Sinks current to V-.

NAME

FUNCTION

TSM984

1

OUTB

Comparator B Output. Sinks current to GND.

2

OUTA

Comparator A Output. Sinks current to GND.

3

V+

Positive Supply Voltage

4

INA-

Comparator A Inverting Input

5

INA+

Comparator A Noninverting Input

6

INB-

Comparator B Inverting Input

7

INB+

Comparator B Noninverting Input

8

REF

1.182V Reference Output with respect to V-.

9

V-

Negative Supply Voltage. Connect to ground for

single-supply operation.

10

INC-

Comparator C Inverting Input

11

INC+

Comparator C Noninverting Input

12

IND-

Comparator D Inverting Input

13

IND+

Comparator D Noninverting Input

14

GND

Ground. Connect to V- for single-supply operation.

15

OUTD

Comparator D Output. Sinks current to GND.

16

OUTC

Comparator C Output. Sinks current to GND.

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