Overview
The Semtech SX8652IWLTRT is a low-power, high-reliability touchscreen controller designed for 4-wire and 5-wire resistive touch screens. This controller is part of Semtech Corporation's Advanced Communications & Sensing product line and is optimized for use in various portable and point-of-sale applications. It features a wide input supply range, low power consumption, and robust on-chip ESD protection, making it a versatile and reliable choice for touch screen interfaces.
Key Specifications
| Parameter | Value |
|---|---|
| Input Supply Range | 1.65V to 3.7V |
| Power Consumption | 23μA @ 1.8V, 8kSPS |
| ADC Resolution | 12-bit |
| ESD Protection | ±15kV HBM, ±2kV CDM, ±25kV Air Gap Discharge, ±15kV Contact Discharge |
| Interface | SPI (Serial Peripheral Interface) |
| Package Options | 14-Lead DFN (4.0 mm x 3.0 mm), 12-Ball WLCSP (1.5 mm x 2.0 mm) |
| Operating Temperature | -40°C to +85°C |
| Compliance | RoHS/WEEE compliant |
Key Features
- Low power consumption to preserve battery life in portable devices.
- Robust on-chip ESD protection up to ±15kV in both HBM and Contact Discharge.
- High-speed SPI serial interface for efficient data transfer.
- 12-bit analog-digital converter for precise touch screen X-Y coordinates and touch pressure measurement.
- On-chip data averaging processing algorithms to reduce host activity and suppress system noise.
- Compact packaging options including 14-Lead DFN and 12-Ball WLCSP for space-conscious applications.
Applications
- Personal Digital Assistants (PDAs)
- Portable instruments
- Point-of-Sales terminals
- Touch-screen monitors
- Cell phones and pagers
- DVR and DSC devices
Q & A
- What is the input supply range of the SX8652IWLTRT?
The input supply range is from 1.65V to 3.7V. - What is the power consumption of the SX8652IWLTRT at 1.8V and 8kSPS?
The power consumption is 23μA. - What type of interface does the SX8652IWLTRT use?
The SX8652IWLTRT uses a high-speed SPI serial interface. - What is the ESD protection level of the SX8652IWLTRT?
The ESD protection level is up to ±15kV in both HBM and Contact Discharge. - What are the package options available for the SX8652IWLTRT?
The package options include 14-Lead DFN (4.0 mm x 3.0 mm) and 12-Ball WLCSP (1.5 mm x 2.0 mm). - Is the SX8652IWLTRT RoHS/WEEE compliant?
Yes, the SX8652IWLTRT is RoHS/WEEE compliant. - What is the operating temperature range of the SX8652IWLTRT?
The operating temperature range is -40°C to +85°C. - What type of ADC does the SX8652IWLTRT use?
The SX8652IWLTRT uses a 12-bit analog-digital converter. - Can the SX8652IWLTRT support data averaging processing algorithms?
Yes, the SX8652IWLTRT supports on-chip data averaging processing algorithms. - What are some common applications of the SX8652IWLTRT?
Common applications include PDAs, portable instruments, point-of-sales terminals, touch-screen monitors, and cell phones.
