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MAX11803ETC/V+

Description
Touch Screen Controllers Low-Pwr Resistive Touch-Screen Cntlrs
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,59 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
Environmental Compliance
Download Datasheet Parametric Compare View All

MAX11803ETC/V+ Overview

Touch Screen Controllers Low-Pwr Resistive Touch-Screen Cntlrs

MAX11803ETC/V+ Parametric

Parameter NameAttribute value
Product AttributeAttribute Value
ManufacturerMaxim
Product CategoryTouch Screen Controllers
RoHSDetails
TypeResistive Touch Controller
PackagingTube
ProductTouch Screen Controller
Factory Pack Quantity75
19-4711; Rev 3; 10/10
Low-Power, Ultra-Small Resistive
Touch-Screen Controllers with I
2
C/SPI Interface
General Description
The MAX11800–MAX11803 low-power touch-screen con-
trollers operate from a single supply of 1.70V to 3.6V, tar-
geting power-sensitive applications such as handheld
equipment. The devices contain a 12-bit SAR ADC and a
multiplexer to interface with a resistive touch-screen
panel. A digital serial interface provides communications.
The MAX11800–MAX11803 include digital preprocessing
of the touch-screen measurements, reducing bus loading
and application-processor resource requirements. The
included smart interrupt function generator greatly
reduces the frequency of interrupt servicing to the
devices. The MAX11800–MAX11803 enter low-power
modes automatically between conversions to save power,
making the devices ideal for portable applications.
The MAX11800/MAX11801 offer two modes of operation:
direct and autonomous. Direct mode allows the applica-
tion processor to control all touch-screen controller activ-
ity. Autonomous mode allows the MAX11800/MAX11801
to control touch-screen activity, thereby freeing the
application processor to perform other functions. In
autonomous mode, the devices periodically scan the
touch screen for touch events without requiring host-
processor intervention. This can be used to reduce sys-
tem power consumption. An on-chip FIFO is used during
autonomous mode to store results, increasing effective
data throughput and lower system power.
The MAX11800–MAX11803 support data-tagging,
which records the type of measurement performed; X,
Y, Z1, or Z2, and the type of touch event; initial touch,
continuing touch, or touch release.
The MAX11800/MAX11802 support the SPI™ serial bus.
The MAX11801/MAX11803 support the I
2
C serial bus.
The MAX11800–MAX11803 are available in 12-pin TQFN
and 12-pin WLP packages, and are specified over the
-40°C to +85°C (extended) and -40°C to +105°C (auto-
motive) temperature ranges.
KIT
ATION
EVALU
BLE
AVAILA
Features
4-Wire Touch-Screen Interface
X/Y Coordinate and Touch Pressure Measurement
Ratiometric Measurement
12-Bit SAR ADC
Single 1.7V to 3.6V Supply
Two Operating Modes—Direct and Autonomous
Data Tagging Provides Measurement and Touch
Event Information
Data Filtering Provides Noise Reduction
Aperture Mode Provides Spatial Filtering
Digital Processing Reduces Bus Activity and
Interrupt Generation
Programmable Touch-Detect Pullup Resistors
MAX11800–MAX11803
Auto Power-Down Control for Low-Power
Operation
25MHz SPI Interface (MAX11800/MAX11802)
400kHz I
2
C Interface (MAX11801/MAX11803)
1.6mm x 2.1mm, 12-Pin WLP and 4mm x 4mm,
12-Pin TQFN
Low-Power Operation
343µW at V
DD
= 1.7V, 34.4ksps
888µW at V
DD
= 3.3V, 34.4ksps
ESD Protection
±4kV HBM
±8kV HBM (X+, X-, Y+, Y-)
±1kV CDM
±200V MM
Ordering Information
PART
MAX11800ETC+
MAX11800GTC/V+
MAX11800EWC+T
MAX11801ETC+
MAX11801GTC/V+
MAX11801EWC+T
MAX11802ETC+
MAX11802EWC+T
MAX11803ETC+
MAX11803EWC+T
TEMP RANGE
-40°C to +85°C
-40°C to +105°C
-40°C to +85°C
-40°C to +85°C
-40°C to +105°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
12 TQFN-EP*
12 TQFN-EP*
12 WLP
12 TQFN-EP*
12 TQFN-EP*
12 WLP
12 TQFN-EP*
12 WLP
12 TQFN-EP*
12 WLP
Applications
Mobile Communication
Devices
PDAs, GPS Receivers,
Personal Navigation
Devices, Media Players
Portable Instruments
Typical Operating Circuits and Pin Configurations appear
at end of data sheet.
SPI is a trademark of Motorola, Inc.
POS Terminals
Handheld Games
Automotive Center
Consoles
+Denotes
a lead(Pb)-free/RoHS-compliant package.
/V denotes an automotive qualified part.
T = Tape and reel.
*EP
= Exposed pad.
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.

MAX11803ETC/V+ Related Products

MAX11803ETC/V+ MAX11803ETC/V+T
Description Touch Screen Controllers Low-Pwr Resistive Touch-Screen Cntlrs Touch Screen Controllers Low-Pwr Resistive Touch-Screen Cntlrs
Product Attribute Attribute Value Attribute Value
Manufacturer Maxim Maxim
Product Category Touch Screen Controllers Touch Screen Controllers
RoHS Details Details
Type Resistive Touch Controller Resistive Touch Controller
Product Touch Screen Controller Touch Screen Controller
Factory Pack Quantity 75 2500
Packaging Tube Reel
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