Semtech SX8656
Haptics Enabled 4/5-Wire Resistive Touchscreen Controller with Proximity Sensing
The SX8654, SX8655 and SX8656 belong to a familyof high performance haptics enabled 4/5-wire resistive touch screen controller with proximity detection optimized for hand held applications such as mobile phones, portable music players, game machines, point-of-sales terminal and other consumer and industrial applications. They feature a wide input supply range from 2.3V to 3.6V.
Features
- Low Voltage Operation
- 2.3V to 3.6V Supply
- Integrated Low Drop Out (LDO) Regulator
- Low Power Consumption
- 30uA@2.3V 8ksps (ESR)
- 0.4uA Shut-Down Current
- 4/5-Wire Touchscreen Interface
- Precision, Ratiometric 12-bit ADC
- Up to 5000 (X-Y) coordinates/second (c/s)
- Programmable Digital Filtering/Averaging
- Touch Pressure Measurement (4-Wire)
- Programmable Operating Mode (Manual,Pen Detect, Pen Trigger)
- Capacitive Proximity Sensing (SX8654/56)
- No Additional Components Required
- Uses Resistive Touchscreen or a Simple Conductive Area as the Sensor
- >5 cm Detection Distance
- 8uA @ 200ms Scan Period
- Fully Programmable (Sensitivity, etc)
- Haptics Driver for LRA and ERM (SX8654/55)
- Haptics Waveform Generation Control (I2C or PWM Input)
- Short Circuit Protection
- Early Warning and Over-TemperatureMonitoring and Protection
- I2C or PWM Haptics Input
- 400kHz I2C Serial Interface
- Several Host Operating Modes Available
- Maskable Interrupt Output (NIRQ)
- Real-time Events Monitoring (AUX1-3)
- Polling (I2C)
- Hardware, Software, and Power-On Reset
- -40°C to +85°C Operating Temperature Range
- 15kV HBM & IEC ESD Protection
- Small Footprint Packages
- Pb & Halogen Free, RoHS/WEEE compliant
Applications
- Game Machines, Portable Music Players
- Mobile Phones
- DSC, DVR, Phones
- POS/POI Terminals
- Touch-Screen Monitors
Order Codes
- SX8656IWLTRT- Pb & Halogen Free, RoHS/WEEE compliant
- SX8656ICSTRT- Pb & Halogen Free, RoHS/WEEE compliant
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
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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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