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PDF MAX11810 Data sheet ( Hoja de datos )
| Número de pieza | MAX11810 | |
| Descripción | (MAX11810 / MAX11811) Advanced Touch Interface Solution | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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Advanced Touch Interface Solution with Haptic
Controller plus Driver and Proximity Sensing
General Description
The MAX11810/MAX11811 low-power touch interface
solutions operate from a single supply of 1.7V to 3.6V,
targeting power-sensitive applications such as handheld
equipment. The MAX11810/MAX11811 include a 4-wire
resistive touch-screen controller, a haptic motor control-
ler plus driver, and IR proximity-sensing system.
The devices contain a 12-bit SAR ADC and a multiplexer
to interface with a 4-wire resistive touch-screen panel. A
digital serial interface provides communications.
The MAX11810/MAX11811 contain an advanced state
machine, which performs digital preprocessing of the
touch-screen measurements, reducing bus loading
and application-processor resource requirements. The
MAX11810/MAX11811 enter low-power modes automati-
cally between conversions to save power, making them
ideal for portable applications. Also included is a smart
interrupt generation engine, which enables servicing the
part only when needed. The register map is compatible
with that of the MAX11800/MAX11801.
In addition, the MAX11810/MAX11811 have a built-in hap-
tic controller plus driver to either drive a vibration motor
directly, or to interface with an external piezo driver. The
built-in haptic waveform generator generates > 50,000
haptic patterns, which are configured through the serial
interface. This eliminates the need for a dedicated inter-
face on the applications processor/microcontroller end.
They also contain a general-purpose current DAC output
and voltage input. The DAC output can drive IR and vis-
ible LEDs; the input can connect to either a photo-detec-
tor for proximity sensing, or an ambient light sensor.
. Applications
Mobile Communication Devices
PDA, GPS, Media Players, Portable Navigation
Devices
POS Terminals and Financial Terminals
Automotive Center Consoles
Handheld Games
SPI is a trademark of Motorola, Inc.
Features
S 4-Wire Resistive Touch-Screen Interface
S X and Y Coordinate and Touch Pressure
Measurement
S Ratiometric Measurement
S 12-Bit SAR ADC
S Single 1.7V to 3.6V Supply
S Integrated Haptic Controller Driver for ERM and
LRA Motors
S Integrated Proximity Sensing System
S General-Purpose Current DAC Output and
General-Purpose Input
S PWM Output for Piezo Drivers
S Data Tagging Provides Measurement and Touch
Event Information
S Data Filtering Provides Noise Reduction
S Aperture Mode Provides Spatial Filtering
S Digital Preprocessing Reduces Serial Bus Activity
and Interrupt Generation
S Programmable Touch Detect Pullup Resistor
S Auto Power-Down Control for Ultra-Low-Power
Operation
S 25MHz SPI Interface (MAX11810)
S 400kHz I2C Interface (MAX11811)
S 2.1mm x 2.1mm, 16-Pin WLP and 4mm x 4mm,
20-Pin TQFN Packages
S Low-Power Operation
246µW at VDD = 1.8V, 34.4ksps
698µW at VDD = 3.6V, 34.4ksps
Ordering Information
PART
PIN-PACKAGE
SERIAL
INTERFACE
MAX11810ETP+*
MAX11810EWE+*
MAX11811ETP+*
MAX11811EWE+*
20 TQFN-EP**
16 WLP
20 TQFN-EP**
16 WLP
SPI
SPI
I2C
I2C
Note: All devices are specified over the -40°C to +85°C operating
temperature range.
+Denotes a lead(Pb)-free/RoHs-compliant package.
*Future product––contact factory for availability.
**EP = Exposed pad.
________________________________________________________________ Maxim Integrated Products 1
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.
1 page | ||
| Páginas | Total 3 Páginas | |
| PDF Descargar | [ Datasheet MAX11810.PDF ] | |
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