ZXCT1050

Issue 1 - June 2007

2

www.zetex.com

© Zetex Semiconductors plc 2007

Absolute maximum ratings

20V

Voltage on SENSE- and SENSE+

Voltage on all other pins

500mV

Operating temperature

-40 to 125°C

Storage temperature

-55 to 150°C

Maximum junction temperature

150°C

Package power dissipation

Operation above the absolute maximum rating may cause device failure. Operation at the absolute

maximum ratings, for extended periods, may reduce device reliability.

Recommended operating conditions

Recommended resistor gain setting combinations

Pin function table

Parameter

Min.

Max.

Units

Common-mode sense input range

0

V

Supply voltage range

2.7

20

V

Differential sense input voltage range

10

300

mV

Output voltage range

0

V

Ambient temperature range

-40

125

°C

Gain

10

7.5k

3.75k

20

7.5k

7.5k

50

7.5k

18.7k

100

7.5k

37.5k

20

3.75k

3.75k

50

1.5k

3.75k

100

750

3.75k

PIN

Name

Description

This is the analog supply and provides power to internal circuitry.

2

GND

Ground pin.

3

OUT

develops an output voltage.

4

SENSE+

This is the positive input of the current monitor and has an input range from

5

SENSE-

This is the negative input of the current monitor and has an input range from

transconductance of the current monitor.