點晶科技股�½有限公司
SILICON TOUCH TECHNOLOGY INC.
DM115B
Electrical Characteristics
(VDD = 5.0 V, Ta = 25°C unless otherwise noted)
CHARACTERISTIC
Input Voltage “H” Level
Input Voltage “L” Level
Output Leakage Current
SYMBOL
V
IH
V
IL
I
OH
V
OL
V
OH
V
OL
V
OH
Δ
Iout
CONDITION
⎯
⎯
VOH = 17 V
IOL = 1.0 mA, VDD=5V
IOH = -1.0 mA, VDD=5V
IOL = 1.0 mA, VDD=3.3V
IOH = -1.0 mA, VDD=3.3V
VOUT = 1.2V
(1 channel on)
VOUT = 1.2V
(1 channel on)
Vdd = 3.3V ~ 5.0V
REXT = 780Ω
REXT = 780Ω
MIN.
0.7VDD
GND
TYP.
⎯
⎯
4.6
Output Voltage ( S - OUT)
⎯
2.7
⎯
⎯
⎯
⎯
⎯
⎯
⎯
±1.5
MAX.
VDD
0.3VDD
1.0
0.4
UNIT
V
uA
⎯
0.4
V
⎯
±4
Output Current (Bit-Bit)
Output Current
(Chip-Chip)
Output Voltage Regulation
Pull-Up Resistor
Pull-Down Resistor
Supply Current “OFF”
Supply Current “ON”
Supply Current “OFF”
Supply Current “ON”
⎯
18.0
%
mA
%/V
KΩ
KΩ
Iout
20.0
0.1
400
200
5.0
11.0
11.0
1.1
7.2
7.2
22.0
0.5
600
300
% / V
out
R
IN(up)
R
IN(down)
Idd
(off)
VDD=5V
⎯
200
100
⎯
⎯
REXT = OPEN, all outputs off
R
EXT
= 300Ω, OUT0~7 = off
R
EXT
= 300Ω, OUT0~7 = on
REXT = OPEN, all outputs off
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
⎯
Idd
mA
(on)
VDD=5V
Idd
(off)
VDD=3.3V
R
EXT
= 300Ω, OUT0~7 = off
R
EXT
= 300Ω, OUT0~7 = on
Idd
mA
(on)
VDD=3.3V
8-BIT CONSTANT CURRENT LED DRIVERS with 3.3V~5V supply voltage
Version:A.001
Page 6
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