BH2227FV, BH2228FV

Technical Note

2/8

www.rohm.com

2009.06 - Rev.A

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

●

Recommended Operating Conditions(Ta=25℃)

Parameter

Symbol

Limits

Unit

Remarks

Min.

Typ.

Max.

VDD power source voltage

VDD

2.7

-

5.5

V

-

VFS voltage to be impressed

VFS

2.7

-

5.5

V

-

Terminal input voltage range

VIN

0

-

VDD

V

-

Analog output current

IO

-1.0

-

1.0

mA

-

Action temperature range

TOPR

-20

-

85

℃

-

Serial clock frequency

FCLK

-

1.0

10.0

MHz

-

Limit load capacity

CL

-

-

0.1

µF

-

●

Electrical Characteristics(Unless otherwise specified, VDD=VFS=3.0V, RL=OPEN, CL=0pF, Ta=25℃)

Parameter

Symbol

Limits

Unit

Conditions

Min.

Typ.

Max.

<Current consumption>

VDD system

IDD

-

0.5

1.5

mA

VDD=5V，CLK=1MHz

VFS system

IFS

-

0.3

0.9

mA

<Logic interface>

L input voltage

VIL

VSS

-

0.6

V

VDD=5.0V

H input voltage

VIH

2.4

-

VDD

V

VDD=5.0V

Input current

IIN

-10

-

10

µA

<Buffer amplifier>

Output zero scale voltage

ZS

VSS

-

0.1

V

00h setting, at no load

VSS

-

0.3

V

00h setting, IOL=1.0mA

Output full scale voltage

FS1

VDD-0.1

-

VDD

V

FFh setting, at no load

VDD-0.3

-

VDD

V

FFh setting,IOH=1.0mA

FS2

VFS-0.1

-

VFS

V

FFh setting, at no load

VFS-0.3

-

VFS

V

FFh setting,IOH=1.0mA

<D/A converter precision>

Differential non linearity error

DNL

-1.0

-

1.0

LSB

Input code 02H to FDH

Integral non linearity error

INL

-1.5

-

1.5

LSB

Input code 02H to FDH

VDD power source voltage rise time

trVDD

100

-

-

µs

VDD=0→2.7

Power ON reset release voltage

VPOR

-

1.9

-

V