Technical Note

4/17

BD8149MUV

www.rohm.com

2016.08 - Rev.B

© 2016 ROHM Co., Ltd. All rights reserved.

●

Electrical Characteristics （Unless otherwise specified, Ta=25℃, VDD=3.3V, VCC=15V, REFIN=3.5V）

PARAMETER

SYMB

OL

LIMITS

UNIT

CONDITION

MIN

TYP

MAX

〔

VDAC 〕

FB voltage

Vfb

1.237

1.25

1.263

V

Input bias current

Ifb

1.2

0.1

1.2

uA

Vfb=1.3V

Current capability

Io

10

50

-

mA

〔

Gamma Amplifier 〕

Slew rate (AMP0)

SR0

1

4

-

V/usec OUT0=No load

Slew rate

(AMP1~5, 7~10)

SRX

1

4

-

V/usec OUT1~5, 7~10=No load

Slew rate (AMP6)

SR6

1

4

-

V/usec OUT6=No load

Slew rate (AMP11)

SR11

1

4

-

V/usec OUT11=No load

〔

DAC 〕

Integral Non-linearity Error

(INL)

LE

-2

-

2

LSB

00A ～ 3F5 is the allowance

margin of error against the ideal

linear.

Differential Non-linearity Error

(DNL)

DLE

-2

-

2

LSB

00A ～ 3F5 is the allowance

margin of error against the ideal

increase of 1LSB.

Output voltage precision

Thermal Characteristics 1

Vt1

-200

50

200

mV

Ta=-25℃~85℃

Output voltage precision

Thermal Characteristics 2

Vt2

-100

30

100

mV

Ta=0℃~75℃

〔

Control Signal 1 SEL, EN, A0, A1, A2, SLAVE/AR, EN_AR 〕

Inrush current

Ictl

7

16.5

33

uA

Threshold voltage 1A

V

0.8

TH1A

-

1.7

V

Threshold voltage 1B

V

0.6

TH1B

-

1.7

V

VDD=2.5V

〔

Control Signal 2 SDA, SCL 〕

Threshold voltage 2A

V

0.8

TH2A

-

1.7

V

Threshold voltage 2B

V

0.6

TH2B

-

1.7

V

VDD=2.5V

MIN. output voltage

VCL

-

-

0.4

V

ISDA=3mA, ISCL=3mA

〔

Whole Device 〕

VDD Power ON Reset

Start-up voltage

Vdet1

1.75

1.9

2.05

V

REFIN UVLO voltage

Vdet2

1.75

1.9

2.05

V

SEL switching time *1

tSEL

-

0.3

1.0

usec

Circuit current

ICC

-

6

-

mA

○

This product is not designed for protection against radio active rays.

*1 SEL switching time timing is shown below.

Fig.1 SEL switching time timing

SEL

OUT

tSEL

tSEL