BU2506FV,BU2505FV

Technical Note

2/10

www.rohm.com

2011.04 - Rev.B

© 2011ROHM Co., Ltd. All rights reserved.

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Electrical Characteristics(Unless otherwise specified, VCC=5V, VrefH=5V, VrefL=0V, Ta=25℃)

Parameter

Symbol

Limits

Unit

Conditions

MIN.

TYP.

MAX.

<Digital unit>

Power source current

ICC

-

0.85

2.8

mA

At CLK=10MHz, IAO=0μA

Input leak current

IILK

-5

-

5

μA

VIN=0 to VCC

Input voltage L

VIL

-

-

0.8

V

-

Input voltage H

VIH

2.0

-

-

V

-

Output voltage L

VOL

0

-

0.4

V

IOL=2.5mA

Output voltage H

VOH

4.6

-

5

V

IOH=-2.5mA

<Analog unit>

Consumption current

IrefH

-

4.5

7.5

mA

Data condition : at maximum

current

-

3.7

6.2

mA

(*1)

D/A converter upper standard voltage

setting range

VrefH

3.0

-

5

V

Outputs are not necessarily within

the standard voltage setting range,

but ARE within the buffer amplifier

output voltage range (VO).

D/A converter lower standard voltage

setting range

VrefL

0

-

1.5

V

Buffer amplifier output voltage range

VO

0.1

-

4.9

V

IO=±100μA

0.2

-

4.75

IO=±1.0mA

Buffer amplifier output drive range

IO

-2

-

2

mA

Upper side saturation voltage =0.35V

(on full scale setting, current sourcing)

Lower side saturation voltage =0.23V

(on zero scale setting, current sinking)

Precision

Differential non-linearity error

DNL

-1.0

-

1.0

LSB

VrefH =4.796V

VrefL=0.7V

VCC=5.5V (4mV/LSB)

At no load (IO=+0mA )

Integral non-linearity error

INL

-3.5

-

3.5

Zero point error

SZERO

-25

-

25

mV

Full scale error

SFULL

-25

-

25

Buffer amplifier output impedance

RO

-

5

15

Ω

-

Pull-up I/O internal resistance value

Rup

12.5

25

37.5

kΩ

Input voltage 0V

(Resistance value changes

according to voltage supplied)

*1 Value in the case where CH1 ~ CH8 are set to maximum current after reset