點晶科技股�½有限公司
SILICON TOUCH TECHNOLOGY INC.
Electrical Characteristic
Unless otherwise noted,
T
A
= 25℃, V
DD
= 2.8 V and VCM = 28.5Ω, 460uH.
Item
Power Supply
Supply Voltage
Supply Current
( I
DD
)
V
DD
I
PD
I
DD
PD = H (Power down mode)
PD = L, I2C= logic
H
2.4
-
-
2.8
-
-
5.5
0.5
0.1
V
uA
mA
Sym.
Condition
Min.
Limit
Typ.
Max.
Unit
PD, SDA, SCL digital control pin
Input Voltage H
Input Voltage L
Parameters
DAC Resolution
DNL
INL
Output Offset Current
Current Slew Rate
Output Constant
Current Settling Time
Voltage Drop
I
OS
SR
t
s
VDD = 2.8V, I
SINK
= 100mA
PD = L, I2C= logic H
3
40
80
10
+/-0.8
+/-1
+/-1
+/-5
5
Bits
LSB
LSB
uA
mA/us
us
V
IH
V
IL
-
-
0.55*V
DD
-0.4
-
-
V
DD
+0.4
0.2*V
DD
V
V
Δ
V
Δ
V
=
V
SINK
−
V
AGND
(@
I
SINK
= 80 mA)
-
0.32
0.35
V
SP-MD218B-A.003.doc
Version
：
A.003
Page
：
4
SITI [ SILICON TOUCH TECHNOLOGY INC. ]
