ST7781
7. Driver Electrical Characteristics
7.1 Absolute Operation Range
Item
Symbol
Rating
- 0.3 ~ +4.6
- 0.3 ~ +4.6
-0.3 ~ +4.6
Unit
V
V
V
V
V
V
℃
℃
Supply Voltage
VDD
VDDI
VCC
VGH-VGL
VIN
Supply Voltage (Logic)
Supply Voltage (Digital)
Driver Supply Voltage
Logic Input Voltage Range
Logic Output Voltage Range
Operating Temperature Range
Storage Temperature Range
-0.3 ~ +30.0
0.5 ~ VDDI + 0.5
0.5 ~ VDDI + 0.5
-30 ~ +85
VO
TOPR
TSTG
-40 ~ +125
Note: If one of the above items is exceeded its maximum limitation momentarily, the quality of the product may be
degraded. Absolute maximum limitation, therefore, specify the values exceeding which the product may be
physically damaged. Be sure to use the product within the recommend range.
7.2 DC Characteristics
Specification
TYP
Related
Pins
Parameter
Symbol
Condition
Unit
Min
Max
Power & Operation Voltage
System Voltage
Interface Operation
Voltage
VDD
Operating Voltage
I/O Supply Voltage
2.5
2.8
3.3
3.3
V
V
VDDI
1.65
1.8/2.8
Input / Output
Logic-High Input Voltage
Logic-Low Input Voltage
Logic-High Output
Voltage
Logic-Low Output
Voltage
VIH
VIL
0.7VDDI
VSS
VDDI
0.3VDDI
V
V
Note 1
Note 1
VOH
IOH = -1.0mA
IOL = +1.0mA
0.8VDDI
VDDI
V
Note 1
VOL
IIL
VSS
-0.1
0.2VDDI
+0.1
V
Note 1
Note 1
Input Leakage Current
Source Driver
uA
Output Deviation Voltage
Output Offset Voltage
VDEV
VOFFSET
10
mV
mV
35
Note 2
Note 1: VDDI=1.65 to 3.3V, VDD=2.6 to 3.3V, AGND=DGND=0V, TA= -30 to 85
℃.
Note 2: The maximum value is between measured point of source output and gamma setting value.
7.3 Power Consumption
Ta=25℃, Frame Rate = 70Hz,
DC Current Consumption
Typical Maximum
Inversion
Mode
Operation Mode
Image
IDDI
IDD
IDDI
IDD
(mA)
(mA)
(mA)
(mA)
Normal Mode
Stand-by Mode
One Line
N/A
Note 1
Note 1
0.01
0.01
3.00
0.03
0.01
5.00
0.05
0.01
Note 1: VDDI=1.8V, VDD=2.8V, All pixels black.
.
Ver. 1.7
24
SITRONIX [ SITRONIX TECHNOLOGY CO., LTD. ]
