Technical Note

2/18

BU6520KV,BU6521KV

www.rohm.com

2010.02 - Rev.C

© 2010 ROHM Co., Ltd. All rights reserved.

●Absolute maximum ratings

Parameter

Symbol

Rating

Unit

Supply voltage1 (IO)

VDDIO

-0.3～+4.2

V

Supply voltage2 (IO)

VDDI2C

-0.3～+4.2

V

Supply voltage3 (DAC)

AVDD

-0.3～+4.2

V

Supply voltage4 (CORE)

VDD

-0.3～+2.1

V

Input voltage range

VIN

-0.3～IO_LVL+0.3

*1

V

Storage temperature range

Tstg

-40～+125

℃

Power dissipation

PD

400

mW

*1 IO_LVL is a generic name of VDDIO, VDDI2C, and AVDD.

*2 IC only. In the case exceeding 25ºC, 4.0mW should be reduced at the rating 1ºC.

*3 When packaging a glass epoxy board of 70x70x1.6mm. If exceeding 25ºC, 9.0mW should be reduced at the rating 1ºC.

*

Has not been designed to withstand radiation.

*

Operation is not guaranteed at absolute maximum ratings.

●Operating conditions

Parameter

Symbol

Ratings

Unit

Supply voltage 1 (IO)

VDDIO

2.70 ~ 3.60 (Typ.: 3.30)

V

Supply voltage 2 (IO)

VDDI2C

2.70 ~ 3.60 (Typ.: 3.30)

V

Supply voltage 3 (DAC)

AVDD

2.70 ~ 3.60 (Typ.: 3.30)

V

Supply voltage 4 (CORE)

VDD

1.40 ~ 1.60 (Typ.: 1.50)

V

Input voltage range

VIN

0.00 ~ IO_LVL

*1

V

Operating temperature range

Topr

-40 ~ +85

ºC

*1 IO_LVL is a generic name of VDDIO, VDDI2C, and AVDD.

*

Please supply power source in order of VDD→(VDDIO, VDDI2C, and AVDD).