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MAX11803ETC-

产品描述Touch Screen Controllers I2C 4Ch Touch Screen Controller
产品类别半导体    模拟混合信号IC   
文件大小1MB,共59页
制造商Maxim(美信半导体)
官网地址https://www.maximintegrated.com/en.html
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MAX11803ETC-概述

Touch Screen Controllers I2C 4Ch Touch Screen Controller

MAX11803ETC-规格参数

参数名称属性值
Product AttributeAttribute Value
制造商
Manufacturer
Maxim(美信半导体)
产品种类
Product Category
Touch Screen Controllers
RoHSDetails
类型
Type
Resistive Touch Controller
Input Type1 TSC
Sampling Rate105 kS/s
Resolution12 bit
接口类型
Interface Type
4-Wire, I2C, SMBus
电源电压-最大
Supply Voltage - Max
3.6 V
电源电压-最小
Supply Voltage - Min
1.7 V
工作电源电流
Operating Supply Current
16 uA
最小工作温度
Minimum Operating Temperature
- 40 C
最大工作温度
Maximum Operating Temperature
+ 85 C
安装风格
Mounting Style
SMD/SMT
封装 / 箱体
Package / Case
TQFN-12
系列
Packaging
Tube
产品
Product
Touch Screen Controller
NumOfPackaging1
工作电源电压
Operating Supply Voltage
1.7 V to 3.6 V
工厂包装数量
Factory Pack Quantity
75

文档预览

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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
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
MAX11800–MAX11803
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.
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