MAX11800GTC/V+T Maxim Integrated Products, MAX11800GTC/V+T Datasheet - Page 10

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MAX11800GTC/V+T

Manufacturer Part Number
MAX11800GTC/V+T
Description
IC TOUCH SCREEN CTRLR LP 12WQFN
Manufacturer
Maxim Integrated Products
Type
Resistiver
Datasheet

Specifications of MAX11800GTC/V+T

Touch Panel Interface
4-Wire
Number Of Inputs/keys
1 TSC
Resolution (bits)
12 b
Data Interface
Serial, SPI™
Data Rate/sampling Rate (sps, Bps)
105k
Voltage - Supply
1.7 V ~ 3.6 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
12-WQFN Exposed Pad
Voltage Supply Source
Single Supply
Sampling Rate (per Second)
105k
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Low-Power, Ultra-Small Resistive Touch-Screen
Controllers with I
SPI TIMING CHARACTERISTICS
(V
noted. Typical values are at T
Figure 1. I
10
CLK Frequency
CLK Period
CLK Pulse-Width High
CLK Pulse-Width Low
CS Low to 1st CLK Rise Setup
CS Low After 0th CLK Rise Hold
CS High to 17th CLK Setup
CS High After 16th CLK Falling
Edge Hold
CS Pulse-Width High
DIN to CLK Setup
DIN Hold After CLK
DOUT Transition Valid After CLK
Rise
DOUT Remains Valid After CLK
Rise
DOUT Valid Before CLK Rise
CS Rise to DOUT Disable
CLK Rise to DOUT Enable
DD
______________________________________________________________________________________
= 1.7V to 3.6V, T
SDA
SCL
2
C Timing Diagram
PARAMETER
S
t
F
t
A
HD;STA
t
LOW
= -40°C to +85°C (MAX11800E and MAX11802E), T
t
R
A
= +25°C and V
t
HD;DAT
SYMBOL
t
t
t
t
t
t
t
t
t
t
f
CSS0
CSH0
CSS1
CSH1
CSW
DOH
DOD
t
t
DOE
CLK
t
t
t
DOT
DO1
CH
DH
CP
CL
DS
t
HIGH
DD
t
SU;DAT
2
t
= 3.3V, unless otherwise noted. See Figure 2.)
F
To prevent a 0th CLK read from being taken
as a 1st read in a free-running application
To prevent a 17th CLK read from being
recognized by the device in a free-running
application
Output transition time
Output hold time
t
C
C
regard to 8th CLK read. Maximum =
transition time with regard to 8th CLK read.
DO1
C/SPI Interface
LOAD
LOAD
= t
= 20pF
= 20pF. Minimum = hold time with
t
CP
SU;STA
- t
DOT
Sr
CONDITIONS
t
HD;STA
A
t
SP
= -40°C to +105°C (MAX11800G), unless otherwise
t
SU;STO
MIN
40
18
18
18
18
18
25
10
0
0
0
3
3
P
TYP
t
BUF
S
MAX
25
25
40
25
UNITS
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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