Memory
- MTP: Nonvolatile, 8-bit width, 9Bytes, stores calibration data and ID
- Volatile memory: Store register values
Clock
- OSC: 12MHz oscillator, supports user calibration
Sensor Driver
- Measurement mode supports receiving and transmitting
- Programmable sensor frequency: 30kHz~83kHz
- Driving current of programmable transformer: 187mA~404mA
Receiver
- Front end of receiving analog, including PGA, AAF, and ADC
- PGA: Programmable amplifier with 36~50dB analog amplification
- AAF: Anti-alias filter with DC gain of 2.3 times, unit gain bandwidth of 200kHz
- ADC: 12bit, 1MHz sampling rate, significant bit not less than 8bit
Signal Processor
- Digital filter
- Configurable digital amplifier supports sensitivity time control (STC)
- Echo detection: Supports static threshold generation, automatic threshold generation (ATG), echo width detection, echo peak detection (EPD), signal enhancement through fast time constant algorithm (FTC), near-field threshold generation (NFTG), and time measurement.
Communication Interface
- 3-wire bidirectional communication interface, flexible protocol
- Transmission command and data
- Obtain envelope curve
- Obtain echo detection signal
Built-in temperature sensor
JTAG debugging interface
Package
- QFN20
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