1

V

14

V

2

OUT

13

V

3

CMP1 IN-/0.6-V REF

12

1.2-V REF OUT

4

CMP1 IN+

11

CMP1 OUT

5

CMP2 IN+

10

CMP2 OUT

6

CMP2 IN±/0.6-V REF

9

CMP2 DELAY

7

GND

8

CMP1 RESET

S

IN+

IN-

3

INA203-Q1

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SBOS539A – DECEMBER 2010 – REVISED APRIL 2016

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5 Device Comparison Table

Table 1. Related Products

PRODUCT

DESCRIPTION

INA200–Q1

Single comparator alternative to the INA203's dual comparators

INA193A–Q1

Same amplifier performance without the comparators integrated

INA282–Q1

High-accuracy, high common-mode capable current sense amplifier

INA300–Q1

36-V overcurrent protection comparator

INA301

High-accuracy, high slew-rate current sense amplifier with integrated high-speed comparator

optimized for overcurrent protection.

6 Pin Configuration and Functions

PW Package

14-Pin TSSOP

Top View

Pin Functions

PIN

I/O

DESCRIPTION

NO.

NAME

1

VS

I

Power supply

2

OUT

O

Output voltage

3

CMP1 IN-/0.6-V REF

I

Comparator 1 negative input, can be used to override the internal 0.6-V reference

4

CMP1 IN+

I

Comparator 1 positive input

5

CMP2 IN+

I

Comparator 2 positive input

6

CMP2 IN–/0.6-V REF

I

Comparator 2 negative input, can be used to override the internal 0.6-V reference

7

GND

I

Ground

8

CMP1 RESET

I

Comparator 1 ouput reset, active low

9

CMP2 DELAY

I

Connect an optional capacitor to adjust comparator 2 delay

10

CMP2 OUT

O

Comparator 2 output

11

CMP1 OUT

O

Comparator 1 output

12

1.2-V REF OUT

O

1.2-V reference output

13

VIN–

I

Amplifier Negative Input. Connect to shunt low side

14

VIN+

I

Amplifier Positive Input. Connect to shunt high side