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TPIC8101 - 产品图解：
TPIC8101-敲击传感器接口
TPIC8101-传感器接口（汽车）-其它接口-接口
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TI产品 - TPIC8101介绍

TPIC8101 - 敲击传感器接口

TPIC8101是TI德州仪器公司的一款传感器接口（汽车）产品，TPIC8101是敲击传感器接口，本站介绍了TPIC8101的封装应用图解、特点和优点、功能等，并给出了与TPIC8101相关的TI元器件型号供参考。

TPIC8101 - 敲击传感器接口 - 传感器接口（汽车） - 其它接口 - 德州仪器

产品特性
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Ambient Operating Temperature Range
    • Device HBM Classification Level 3A
    • Device CDM Classification Level C6
  • Dual-Channel Knock Sensor Interface
  • Programmable Input Frequency Prescaler (OSCIN)
  • Serial Interface With Microprocessor (SPI)
  • Programmable Gain
  • Programmable Band-Pass Filter Center Frequency
  • External Clock Frequencies up to 24 MHz
    • 4, 5, 6, 8, 10, 12, 16, 20, and 24 MHz
  • Programmable Integrator Time Constants
  • Operating Temperature Range −40°C to 125°C
产品应用
  • Engine Knock Detector Signal Processing
  • Analog Signal Processing With Filter Characteristics
产品说明

The TPIC8101 is a dual-channel signal processing IC for detection of premature detonation in combustion engine. The two sensor channels are selectable through the SPI bus. The knock sensor typically provides an electrical signal to the amplifier inputs. The sensed signal is processed through a programmable band-pass filter to extract the frequency of interest (engine knock or ping signals). The band-pass filter eliminates any engine background noise associated with combustion. The engine background noise is typically low in amplitude compared to the predetonation noise.

The detected signal is full-wave rectified and integrated by use of the INT/HOLD signal. The digital output from the integration stage is either converted to an analog signal, passed through an output buffer, or be read directly by the SPI.

This analog buffered output may be interfaced to an A/D converter and read by the microprocessor. The digital output may be directly interfaced to the microprocessor.

产品器件信息
PART NUMBERPACKAGEBODY SIZE (NOM)
TPIC8101SOIC (20)7.50 mm × 12.80 mm
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