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http://www.union-ic.com Rev.04 Feb.2014

2/12

UM2002

Pin Configurations

Top View

(Top View)

GND

VREFA

A1

A2

B2

B1

VREFB

EN

1

2

3

4

8

7

6

5

1

2

3

4

8

7

6

5

UM2002

S8

XX

XX: Week Code

UM2002S8 SOP8

(Top View)

1

GND

VREFA

A1

A2

B2

B1

VREFB

EN

2

3

4

8

7

6

5

1

2

3

4

8

7

6

5

2002U8

XX

XX: Week Code

UM2002U8 TSSOP8

Pin Description

Pin Number

Symbol

Function

1

GND

Ground (0V)

2

VREFA

Low-voltage side reference supply voltage for An

3,4

A1,A2

Low-voltage side; connected to VREFA through a pull-up

resistor

5,6

B1,B2

High-voltage side; connected to VREFB through a pull-up

resistor

7

VREFB

High-voltage side reference supply voltage for Bn

8

EN

Switch enable input; connected to VREFB and pulled-up

through a high resistor

Ordering Information

Part Number

Packaging Type

Marking Code

Shipping Qty

UM2002S8

SOP8

UM2002S8

2500pcs/13Inch

Tape & Reel

UM2002U8

TSSOP8

2002U8

3000pcs/13Inch

Tape & Reel