LC75838W Datasheet, PDF (3/36 Pages) ON Semiconductor – Duty General-Purpose LCD Driver

LC75838W
Electrical Characteristics for the Allowable Operating Ranges
Parameter
Symbol
Pins
Conditions
Ratings
unit
min
typ
max
Hysteresis
VH
Input high level current
IIH
Input low level current
IIL
CE, CL, DI, INH
CE, CL, DI, INH
CE, CL, DI, INH
VI=6.0V
VI=0V
0.1VDD
-5.0
V
5.0
A
A
Output high level voltage
Output low level voltage
Output middle level
voltage
*1
VOH1
VOH2
VOH3
VOL1
VOL2
VOL3
VMID1
S1 to S40
COM1 to COM10
P1 to P3
S1 to S40
COM1 to COM10
P1 to P3
S1 to S40
IO=-20A
IO=-100A
IO=-1mA
IO=20A
IO=100A
IO=1mA
IO=20A
VLCD0-0.6
VLCD0-0.6
VDD-1.0
2/4(VLCD0
-VLCD4)
-0.6
V
VLCD4+0.6
VLCD4+0.6
V
1.0
2/4(VLCD0
-VLCD4)
+0.6
VMID2 COM1 to COM10 IO=100A
3/4(VLCD0
-VLCD4)
-0.6
3/4(VLCD0
-VLCD4)
V
+0.6
VMID3 COM1 to COM10 IO=100A
1/4(VLCD0
-VLCD4)
-0.6
1/4(VLCD0
-VLCD4)
+0.6
Oscillator frequency
fosc
OSC
Rosc=43k, Cosc=680pF
40
50
60 kHz
Current drain
IDD1
VDD
Power saving mode
5
IDD2
VDD
VDD=6.0V, outputs open,
fosc=50kHz
200
400
ILCD1 VLCD
Power saving mode
5
ILCD2 VLCD
VLCD=11.0V, outputs open,
fosc=50kHz
When the display contrast adjustment
circuit is used.
500
1000
A
ILCD3 VLCD
VLCD=11.0 V, outputs open,
fosc=50kHz
When the display contrast adjustment
250
500
circuit is not used.
Note: *1 Excluding the bias voltage generation divider resistor built into VLCD0, VLCD1, VLCD2, VLCD3, and
VLCD4. (See Figure 1.)
VLCD
VLCD0
VLCD1
VLCD2
VLCD3
VLCD4
CONTRAST
ADJUSTER
To the common and segment drivers
Excluding these resistors
Figure 1
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be
indicated by the Electrical Characteristics if operated under different conditions.
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