Datasheet

SHANGHAI TIANMA MICRO-ELECTRONICS TM022HDH26 V1.0
The information contained herein is the exclusive property of SHANGHAI TIANMA MICRO-ELECTRONICS
Corporation, and shall not be distributed, reproduced, or disclosed in whole or in part without prior written
permission of SHANGHAI TIANMA MICRO-ELECTRONICS Corporation.
Page 7 of 23
4 Electrical Characteristics
4.1 Driving TFT LCD Panel
GND=0V, Ta=25℃
Item Symbol MIN TYP MAX Unit Remark
Logic Supply Voltage VCC 1.65 2.8 3.3 V
Analog Supply Voltage VCC 2.3 2.8 3.3 V
Input Signal
Voltage
High
Level
VIH 0.7 VCC - VCC V
Low Level VIL - -
0.3
VCC
V
Output
Signal
Voltage
High
Level
VOH 0.8 VCC - - V
Low Level VOL - -
0.2
VCC
V
(Panel+LSI)
Power Consumption
Black Mode - 18.10 - m W
8 color Mode - 8.16 - m W
Sleeping
Mode
- 0.035 - m W
4.2 Driving Backlight Ta=25℃
Item Symbol Min Typ Max Unit Remark
Forward Current I
F
-- 15 25 mA For each LED
Forward Voltage V
F
(2.9) 3.2 (3.4) V 4 LEDs
( in parallel)
Power Consumption W
BL
-- 192 -- mW
Note1: Figure below shows the connection of backlight LED.
Note 2: One LED: I
F
=15 mA, V
F
=3.2V
Note 3: The Minimum Life of LED: 20,000 hours
C1