sx8650 Semtech Corporation, sx8650 Datasheet

sx8650

Manufacturer Part Number

sx8650

Description

World?s Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller With 15kv Esd

Manufacturer

Semtech Corporation

Datasheet

1.SX8650.pdf (56 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

sx8650ICSTRT

Manufacturer:

SEMTECH

Quantity:

48 146

Company:

Meier Automation Equipment Co., Limited

Part Number:

sx8650IWLTRT

Manufacturer:

SEMTECH/美国升特

Quantity:

20 000

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Download datasheet (777Kb)

The SX8650 is an ultra low power 4-wire resistive

touchscreen controller optimized for portable equipment

where power and board-space are at a premium.

It incorporates a highly accurate 12-bit ADC for data

conversion and operates from a single 1.65 to 3.7V supply

voltage.

The SX8650 features a built-in preprocessing algorithm for

data measurements, which greatly reduces the host

processing overhead and bus activity. This complete

touchscreen

operation modes which offer programmability on different

configurations such as conversion rate and settling time,

thus enable optimization in throughput and power

consumption for a wide range of touch sensing applications.

The touch screen inputs have been specially designed to

provide robust on-chip ESD protection of up to ±15kV in

both HBM and Contact Discharge, and eliminates the need

for external protection devices.

The SX8650 supports the Fast-mode I²C (400kbit/s) serial

bus data protocol and includes 2 user-selectable slave

addresses. A custom I2C address is possible on request.

The SX8650 is offered in two tiny packages: a 3.0 mm x

3.0 mm DFN and a 1.5 mm x 2.0 mm wafer-level chip-scale

package (WLCSP).

ACS Revision V2.15/October 2009

ADVANCED COMMUNICATIONS & SENSING

GENERAL DESCRIPTION

APPLICATIONS

Block Diagram

Portable Equipment

Mobile Communication Devices

Cell phone, PDA, MP3, GPS, DSC

Touch Screen Monitors

solution

includes

four

user-selectable

GND

VDD

X+

Y+

X-

Y-

World’s Lowest Power & Smallest Footprint 4-wire

Interface

Screen

Touch

Resistive Touchscreen Controller with 15kV ESD

Vref

Page 1

1. 3000 Units / reel

POR

SX8650ICSTRT

SX8650IWLTRT

KEY PRODUCT FEATURES

ORDERING INFORMATION

ref-

Control

ref+

Extremely Low Power Consumption:23uA@1.8V 8kSPS

Superior On-chip ESD Protection

Integrated Preprocessing Block to Reduce Host Loading

and Bus Activity

Four User Programmable Operation Modes provides

Flexibility to address Different Application Needs

High Precision 12-bit Resolution

Low Noise Ratiometric Conversion

Selectable Polling or Interrupt Modes

Touch Pressure Measurement

400kHz Fast-Mode I²C Interface

Hardware Reset & I²C Software Reset

-40° C to 85° C Operation

12-LD (3.0 mm x 3.0 mm) DFN Package

12 Ball (1.5 mm x 2.0 mm) WLCSP Package

Pb-Free, Halogen Free, RoHS/WEEE compliant product

Windows CE 6.0, Linux Driver Support Available

Single 1.65V to 3.7V Supply/Reference

Part Number

ADC

±15kV HBM (X+,X-,Y+,Y-)

±2kV CDM

±25kV Air Gap Discharge

±15kV Contact Discharge

±300V MM

Manual, Automatic, Pen Detect, Pen Trigger

OSC

out

SX8650

Digital

Filter

I2C

AUX

SDA

NRST

SCL

NIRQ

12 - Ball WLCSP (1.5 mm x 2.0 mm)

12 - Lead DFN (3.0 mm x 3.0 mm)

HOST

Package

www.semtech.com

DATASHEET

SX8650

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