LTC1546IG#PBF

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The LTC1546IG#PBF is an advanced half-inch Quad Flat No-Lead (QFN) chip featuring capacitive sensing technology. This device is designed for use in a wide range of human-machine interface (HMI) applications, such as touch panels, touchpads, and other input devices. It is well-suited for applications that require high channel count, fast switching, and low power consumption. It also supports both two-wire and four-wire (I2C) communications. The device is rated for operation over a wide temperature range of -20°C to +85°C.

The LTC1546IG#PBF is a capacitive sensing driver, receiver, and transceiver. It combines a high-precision capacitive sensing engine, a high-performance analog-to-digital converter (ADC), and a low-power digital-to-analog converter (DAC) in a single package. The device has a dual mode of operation: it can operate as a driver or receiver. When operating in driver mode, the device can drive up to 16 channels of capacitive sensing signals, each with its own analog drive level. In receiver mode, the device can detect up to 16 independently-programmable capacitance thresholds for each channel.

The device’s operation is based on a differentiating input signal applied to a capacitor. This signal is either driven by the LTC1546IG#PBF when it is in driver mode, or it is sensed by the device when it is in receiver mode. The capacitance is measured with a high degree of accuracy and a low power overhead, allowing for a wide range of applications.

The capacitive sensing signals are generated by applying a current-controlled voltage to the input terminals of the device. This voltage is generated by the device’s integrated ADC, allowing it to efficiently and accurately measure the input capacitance. The detected capacitance is compared to an adjustable threshold voltage and the result is used to generate an output signal or to trigger an event. The device’s output is connected to an I2C or SPI interface, allowing the capacitive sensing signals to be monitored by a host processor.

In addition to providing high-resolution detection of capacitance, the LTC1546IG#PBF also has a low-power DAC and an ultra-low power consumption design, making it well-suited for mobile and battery-powered applications. The DAC allows the device to be used in applications such as haptic feedback and adaptive touch panels. The low-power operation also helps save battery power, as the device can remain powered down until needed.

The LTC1546IG#PBF is a versatile device that can be used in a variety of HMI applications, including touchpads, trackpads, touchscreens, stylus-based input devices, and more. It provides a reliable and accurate interface between the user and the system, while also offering a power efficient solution that is suitable for battery-powered applications.

The specific data is subject to PDF, and the above content is for reference