Semtech SX8652
15kV ESD Low Power 4-Wire / 5-Wire Resistive Touchscreen Controller with SPI Interface
The SX8652 is a very low power, high reliability controller for 4-wire and 5-wire resistive touch screens used in PDAs, portable instruments and point-of-sales terminal applications. It features a wide input supply range from 1.65V to 3.7V and low power modes to preserve current when the screen is unintentionally touched.
Features
- Extremely Low Power Consumption: 23uA@1.8V 8kSPS
- Superior On-chip ESD Protection
- ±15kV HBM (X+,X-,Y+,Y-)
- ±2kV CDM
- ±25kV Air Gap Discharge
- ±15kV Contact Discharge
- ±300V MM
- Single 1.65V to 3.7V Supply/Reference
- 4-Wire or 5-Wire Resistive Touch Screen Interface
- Integrated Preprocessing Block to Reduce Host Loading and Bus Activity
- Four User Programmable Operation Modes provides Flexibility to address Different Application Needs Manual, Automatic, Pen Detect, Pen Trigger
- Low Noise Ratiometric Conversion
- Precision, High Speed 12-bit SAR ADC Operating At 74k SPS
- Throughput: 5000 (X-Y) coordinates/second (c/s) with 7-Sample Averaging
- Low Power Shut-Down Mode < 1uA
- SPI™ Serial Interface
- Touch Pressure Measurement (4-Wire)
- Auxiliary Input (4-Wire) For Alternate ADC Input or Start of Conversion Trigger
- Hardware & Software reset
- -40°C to +85°C operation
- Pb-Free, Halogen Free, RoHS/WEEE compliant product
- Windows CE 6.0, Linux Driver Support Available
Applications
- DSC, DVR, Cell Phones
- PDA, Pagers
- Point-of-Sales Terminals
- Touch-Screen Monitors
Packaging
- 12 - Ball WLCSP (1.5 mm x 2.0 mm)
- 14 - Lead DFN (4.0mm x 3.0mm)
Order Codes
- SX8652EVK: Evaluation Kit
- SX8652ICSTRT 3000 pcs, Tape and Reel
- SX8652IWLTRT 3000 pcs, Tape and Reel
Order Samples
Semtech provides free samples to help design engineers qualify
their products and speed up time-to-market.
For samples, use our Samples Request Form. Up to five free samples
may be requested.
Purchase
Use our Sales Support tool to find your local Semtech sales office, distributor or manufacturer's representative.
To get a quote directly from Semtech use our online Quote Request Form.
Order Evaluation Boards
Semtech provides evaluation boards to help design engineers quickly and easily evaluate the performance of our devices for their application requirements.
To order, use our Evaluation Board Request Form here. One (1) free evaluation board may be requested per order form.
Eval boards are readily available for most of our new and popular products. If you wish to request boards for other parts, simply type the part number in the “Select Part Number” field space of the order form. These will be subject to availability.
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