Technical Note

10/23

BU97930MUV,BU97931FV,BU9798KV,BU9798GUW,BU97500KV

www.rohm.com

2010.04 - Rev.A

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

<BU97500KV>

DC Characteristics (Unless otherwise indicated, VDD=2.7 ~ 5.5V, VLCD=4.5 ~ 5.5V, VSS=0V, Ta=-40 ~ 85°C)

Parameters

Symbol

Limits

Unit

Conditions

MIN

TYP

MAX

“H” Input Voltage

VIH

0.7VDD

-

VDD

V

SD, SCL, CSB, RESB, OSC

“L” Input Voltage

VIL

VSS

-

0.3VDD

V

SD, SCL, CSB, RESB, OSC

“H” Input Current

IIH

5.0

µA

SD,SCL,CSB,RESB, OSC

VI=5.5V

“L” Input Current

IIL

-5.0

µA SD,SCL,CSB,RESB, OSC

VI=0V

“H” Level Output Voltage

VOH1

VLCD

-1.0

V

P1 ~ P4, Io=1mA

VOH2

VLCD

-1.0

S1 ~ S52, Io=20µA

VOH3

VLCD

-1.0

COM1 ~ COM4, Io=100µA

“L” Level Output Voltage

VOL1

-

-

1.0

V

P1 ~ P4, Io=1mA

VOL2

-

-

1.0

S1 ~ S52, Io=20µA

VOL3

-

-

1.0

COM1 ~ COM4, Io=100µA

LCD Bias Voltage

VMID1

1/2VLCD

-1.0

-

1/2VLCD

+1.0

V

S1 ~ S52

1/2 Bias, Io=±100µA

VMID2 1/2VLCD

-1.0

-

1/2VLCD

+1.0

COM1 ~ COM4

1/2 Bias, Io=±100µA

VMID3

2/3VLCD

-1.0

-

2/3VLCD

+1.0

S1 ~ S52

1/3 Bias, Io=±20µA

VMID4 1/3VLCD

-1.0

-

1/3VLCD

+1.0

S1 ~ S52

1/3 Bias, Io=±20µA

VMID5

2/3VLCD

-1.0

-

2/3VLCD

+1.0

COM1 ~ COM4

1/3Bias, Io=±100µA

VMID6 1/3VLCD

-1.0

-

1/3VLCD

+1.0

COM1 ~ COM4

1/3 Bias, Io=±100µA

Current consumption

IstVDD

-

1

5

µA

Input Pin ALL ”L”

Display off, Disable oscillator

IstVLCD

-

1

5

Input Pin ALL ”L”

Display off, Disable oscillator

ILCD1

-

2

10

VDD=VLCD=5.0V

Output unloaded

fFR=80Hz

ILCD2

-

40

95

VDD=VLCD=5.0V

Output unloaded

1/2 Bias, fFR=80Hz

ILCD3

-

65

140

VDD=VLCD=5.0V

Output unloaded

1/3 Bias, fFR=80Hz