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BU97930MUV Datasheet(PDF) 3 Page - Rohm

Part # BU97930MUV
Description  Multifunction LCD Segment Driver
Download  32 Pages
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Manufacturer  ROHM [Rohm]
Direct Link  http://www.rohm.com
Logo ROHM - Rohm

BU97930MUV Datasheet(HTML) 3 Page - Rohm

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TSZ02201-0A0A2D300060-1-2
10.Apr.2015 Rev.004
www.rohm.com
© 2013 ROHM Co., Ltd. All rights reserved.
TSZ22111・15・001
BU97930MUV
MAX 108 segments (SEG27×COM4)
Absolute Maximum Ratings (VSS=0V)
Parameter
Symbol
Ratings
Unit
Remarks
Power supply voltage 1
VDD
-0.3 to +4.5
V
Power supply
Power supply voltage 2
VLCD
-0.5 to +7.0
V
Power supply for LCD
Power Dissipation
Pd
0.8*
1
W
Input voltage range
VIN
-0.5 to VDD+0.5
V
Operational temperature range
Topr
-40 to +85
Storage temperature range
Tstg
-55 to +125
Output current
Iout1
5
mA
SEG output
Iout2
5
mA
COM output
Iout3
10
mA
GPO output
Iout4
50
mA
LED output
*1
When operated higher than Ta=25℃, subtract 8.0mW per degree. (using ROHM standard board)
(board size: 74.2mm×74.2mm×1.6mm
material: FR4 board
copper foil: land pattern only).
Recommended Operating Ratings(Ta=-40°C to +85°C,VSS=0V)
Parameter
Symbol
Ratings
Unit
Remarks
MIN
TYP
MAX
Power supply voltage 1
VDD
1.8
-
3.6
V
Power supply
Power supply voltage 2
VLCD
2.7
-
5.5
V
Power supply for LCD
Output current
Iout4
-
-
20
mA
Per LED port 1ch
Electrical Characteristics
DC characteristics (Ta=-40°C to +85°C, VDD=1.8V to 3.6V, VLCD=2.7V to 5.5V, VSS=0)
Parameter
Symbol
Limit
Unit
Condition
MIN
TYP
MAX
“H” level input voltage
VIH
0.8VDD
-
VDD
V
SD, SCL, CSB, CLKIN, INHb
“L” level input voltage
VIL
VSS
-
0.2VDD
V
SD, SCL, CSB, CLKIN, INHb
Hysteresis width
VH
-
0.2
-
V
SCL, INHb, VDD=3.3V, Ta=25°C
“H” level input current
IIH1
-
-
5
µA
SD, SCL, CSB, CLKIN,
INHb, VI=3.6V
“L” level input current
IIL1
-5
-
-
µA
SD, SCL, CSB, CLKIN,
INHb, VI=0V
“H” level output voltage
(*2)
VOH1
VLCD
-0.4
-
-
V
Iload=-50µA, VLCD=5.0V
SEG0 to SEG26
VOH2
VLCD
-0.4
-
-
V
Iload=-50µA, VLCD=5.0V,
COM0 to COM3
VOH3
VLCD
-0.6
-
-
V
Iload=-1mA,VLCD=5.0V,
SEG23 to SEG26(GPO mode)
“L” level output voltage
(*2)
VOL1
-
-
0.4
V
Iload= 50µA, VLCD=5.0V,
SEG0 to SEG26
VOL2
-
-
0.4
V
Iload= 50µA, VLCD=5.0V,
COM0 to COM3
VOL3
-
-
0.5
V
Iload=1mA, VLCD=5.0V,
SEG23 to SEG26(GPO mode)
VOL4
-
0.11
0.5
V
Iload=20mA, VLCD=5.0V,
LED
Current consumption
(*1)
IstVDD
-
3
10
µA
Input terminal ALL‟L‟,
Display off, Oscillation off
IstVLCD
-
0.5
5
µA
Input terminal ALL‟L‟,
Display off, Oscillation off
IVDD1
-
8
15
µA
VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz,
PWM generate off, All output pin open
IVDD2
-
30
45
µA
VDD=3.3V, Ta=25°C, 1/3bias, fFR=64Hz,
PWM Frequency=500Hz setting,
All output pin open
IVLCD1
-
10
15
µA
VLCD=5.0V, Ta=25°C, 1/3bias, fFR=64Hz,
LED generate off, All output pin open
IVLCD2
-
30
48
µA
VLCD=5.0V, Ta=25℃, 1/3bias, fFR=64Hz,
PWM Frequency=500Hz setting,
All output pin open
*1 Power save mode 1 and frame inversion setting
*2 Iload: In this case, load current from only one port


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