BU21051FS

Technical Note

2/6

www.rohm.com

2009.04 - Rev.B

© 2009 ROHM Co., Ltd. All rights reserved.

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Electrical characteristics(Especially, Topr=25℃ and AVDD=DVDD=0 as long as it doesn't specify it.)

PARAMETER

SYMBOL

RATING

UNIT

Condition

MIN

TYP

MAX

DC characteristics

Input“H”voltage

DVDD x 0.9

-

DVDD + 0.2

V

Input“L”voltage

GND – 0.2

-

DVDD x 0.1

V

Output“H”voltage

GND

-

DVDD x 0.2

V

Output“L”voltage

-1

-

1

μA

Input leakage current

-1

-

1

μA

Output leakage current

-

-

2

μA

Shutdown (SDN=“L”)

Standby current

-

500

-

uA

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A/D Converter

PARAMETER

SYMBOL

RATING

UNIT

Condition

MIN

TYP

MAX

Resolution

-

10

-

bit

Analog Input voltage

GND

-

AVDD

V

Change clock frequency

0.2

-

1.0

MHz

Change time

-

13

-

Zero scale voltage

-

-

GND + 0.07

V

Full scale voltage

AVDD - 0.07

-

-

V

Differential non line accurate

DNL

-

-

±3

LSB

Integrate non line accurate

INL

-

-

±3

LSB

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CR Oscillator characteristic

PARAMETER

SYMBOL

RATING

UNIT

Condition

MIN

TYP

MAX

Oscillation Frequency

0.9

1.6

2.5

MHz