MAX11803 Maxim Integrated Products, MAX11803 Datasheet - Page 9

• Manufacturer Part Number: MAX11803
• Description: (MAX11800 - MAX11803) Ultra-Small Resistive Touch-Screen Controllers
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(V
erwise noted. Typical values are at T
I
(V
noted. Typical values are at T
2
Low-Power, Ultra-Small Resistive Touch-Screen
DIGITAL INPUTS (SDA, DIN, SCL, CLK, A0, CS, A1)
Input Logic-High Voltage
Input Logic-Low Voltage
Input Leakage Current
Input Hysteresis
Input Capacitance
DIGITAL OUTPUTS (SDA, DOUT, TIRQ)
Output Logic-High
Output Logic-Low—TIRQ, DOUT
Output Logic-Low—SDA
TIRQ Pullup Resistor
Serial-Clock Frequency
Bus Free Time
Hold Time for START Condition
SCL Pulse-Width Low
SCL Pulse-Width High
Setup Time for Repeated START
(Sr) Condition
Data Hold Time
Data Setup Time
SDA and SCL Rise/Fall Time
SDA and SCL Fall Time
Setup Time for STOP Condition
Bus Capacitance Allowed
Pulse Width of Suppressed Spike
DD
DD
C TIMING CHARACTERISTICS
= 1.7V to 3.6V, T
= 1.7V to 3.6V, T
PARAMETER
PARAMETER
_______________________________________________________________________________________
A
A
= -40°C to +85°C (MAX11800E–MAX11803E), T
= -40°C to +85°C (MAX11801E and MAX11803E), T
A
= +25°C and V
A
SYMBOL
SYMBOL
= +25°C and V
t
t
t
t
t
HD;DAT
HD;STA
SU;STA
SU;DAT
SU;STO
t
Controllers with I
V
t
V
t
f
t
HIGH
V
V
LOW
V
R,
V
SCL
BUF
C
t
I
t
HYS
OH
SP
IN
OL
OL
TF
IH
IL
B
t
F
DD
= 3.3V, unless otherwise noted. See Figure 1.)
V
DOUT, I
TIRQ, CMOS configuration, I
I
I
Bus free time between STOP and START
condition
After this period, the first clock pulse is
generated
Receiving
Transmitting
V
V
SINK
SINK
IN
DD
DD
DD
= 0V or V
= 1.7V to 2.7V
= 2.7V to 3.6V
= 1mA
= 3mA
= 3.3V, unless otherwise noted.)
SOURCE
DD
CONDITIONS
CONDITIONS
= 1mA
A
= -40°C to +105°C (MAX11800G/MAX11801G), unless oth-
SOURCE
A
= -40°C to +105°C (MAX11801G), unless otherwise
= 1mA
2
C/SPI Interface
C
C
0.7 x
0.9 x
0.9 x
20 +
20 +
MIN
V
V
V
MIN
100
1.3
0.6
1.3
0.6
0.6
0.6
B
B
10
10
-1
DD
DD
DD
0
0
/10
/10
0.5 x
TYP
V
TYP
125
DD
6
MAX
0.3 x
MAX
V
400
900
300
250
100
400
0.4
0.4
+1
50
DD
UNITS
UNITS
kHz
μA
pF
kΩ
pF
μs
μs
μs
μs
μs
ns
ns
ns
ns
μs
ns
V
V
V
V
V
V
9