BU97981KV-E2 Datasheet, PDF (6/50 Pages) Rohm – Multi-function LCD Segment Drivers

BU97981xxx Series MAX 196 segments (SEG49xCOM4)
Datasheet
Electrical Characteristics
DC characteristics (Ta=-30°C to +75°C, VDD=1.8V to 3.6V, VLCD=3.3V to 5.5V, VSS=0)
(BU97981KV,BU97981GU)
Parameter
Limits
Symbol
Unit
Min Typ Max
Conditions
“H” level Input Voltage
VIH 0.8VDD -
VDD
V SD, SCL, CSB, TEST1^(Note4),CLKIN, INHb
“L” level Input Voltage
VIL VSS
- 0.2VDD V SD, SCL, CSB, TEST1^(Note4),CLKIN, INHb
Hysteresis Width
“H” Level Input Current
“L” Level Input Current
“H” Level Output Voltage
(Note1&3)
VH
-
0.2
-
V SCL, INHb, VDD=3.3V, Ta=25°C
IIH1
-
-
IIL1
-5
-
VOH1
VLCD
-0.4
-
VOH2
VLCD
-0.4
-
VOH3
VLCD
-0.6
-
VOH4
VDD
-0.6
-
5
µA
SD, SCL, CSB, CLKIN, INHb,
VI=3.6V
-
µA
SD, SCL, CSB, CLKIN, INHb, TEST1^(Note4),
VI=0V
Iload=-50µA, VLCD=5.0V
-
V SEG0 to SEG48,
Unused integrated regulator
Iload=-50µA, VLCD=5.0V,
-
V COM0 to COM3,
Unused integrated regulator
Iload=-1mA,VLCD=5.0V,
-
V SEG15 to SEG45 (GPO mode)
Unused integrated regulator
-
V Iload=-1mA, VDD=3.0V, PWMOUT
VOL1 -
-
0.4
V Iload= 50µA, VLCD=5.0V, SEG0 to SEG48
VOL2 -
-
0.4
V Iload= 50µA, VLCD=5.0V, COM0 to COM3
“L” Level Output Voltage ^(Note3) _VOL3
-
-
0.5
V
Iload=1mA, VLCD=5.0V,
SEG15 to SEG45 (GPO mode), PWMOUT
VOL4 -
0.11 0.5
V
Iload=20mA, VLCD=5.0V,
SEG46 to 48 (LED drive mode)
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
VDD=3.3V, Ta=25^°C, 1/3bias, fFR=64Hz,
IVDD1 -
8
15
µA PWM generate off,
All output pin open
VDD=3.3V, Ta=25^°C, 1/3bias, fFR=64Hz,
IVDD2 -
90 130 µA PWM Frequency=500Hz setting,
Current Consumption ^(Note2)
IVLCD1 -
All output pin open
VLCD=5.0V, Ta=25^°C, 1/3bias, fFR=64Hz,
10
15
µA
Unused Integrated regulator,
LED generate off,
All output pin open
VLCD=5.0V, Ta=25^°C, 1/3bias, fFR=64Hz,
IVLCD2 -
25
40
µA
Used Integrated regulator,
LED generate off,
All output pin open
VLCD=5.0V, Ta=25^°C,1/3bias, fFR=64Hz,
IVLCD3 -
30
48
µA
Used Integrated regulator,
PWM Frequency=500Hz setting,
All output pin open
(Note1) Integrated regulator using case, please add load regulation value to output voltage listed above.
(Note2) Power save mode 1 and frame inversion setting
(Note3) Iload: In case, load current from only one port
(Note4) There is not TEST1 port in BU97981GU
www.rohm.com
© 2012 ROHM Co., Ltd. All rights reserved.
TSZ22111ï½¥15ï½¥001
6/46
TSZ02201-0A2A0D300110-1-2
10.Apr.2015 Rev.006