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CS209A - Proximity Detector

Datasheet Summary

Description

PACKAGE PIN # DIP 8 & SO 8 1 2 3 4 5 6 7 8 SO

14 1 2 3 4 6 10 12 13 5, 7, 8, 9, 11, 14 PIN SYMBOL OSC TANK GND OUT1 OUT2 DEMOD VCC RF NC FUNCTION Adjustable feedback resistor connected between OSC and RF sets detection range.

Connects to parallel tank circuit.

Features

  • Separate Current Regulator for Oscillator.
  • Negative Transient Suppression.
  • Variable Low.
  • Level Feedback.
  • Improved Performance Over Temperature.
  • 6.0 mA Supply Current Consumption at VCC = 12 V.
  • Output Current Sink Capability.
  • 20 mA at 4.0 VCC.
  • 100 mA at 24 VCC http://onsemi. com.

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Datasheet preview – CS209A

Datasheet Details

Part number CS209A
Manufacturer ON Semiconductor
File Size 244.98 KB
Description Proximity Detector
Datasheet download datasheet CS209A Datasheet
Additional preview pages of the CS209A datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com CS209A Proximity Detector The CS209A is a bipolar monolithic integrated circuit for use in metal detection/proximity sensing applications. The IC (see Figure 1) contains two on−chip current regulators, oscillator and low−level feedback circuitry, peak detection/demodulation circuit, a comparator and two complementary output stages. The oscillator, along with an external LC network, provides controlled oscillations where amplitude is highly dependent on the Q of the LC tank. During low Q conditions, a variable low−level feedback circuit provides drive to maintain oscillation. The peak demodulator senses the negative portion of the oscillator envelope and provides a demodulated waveform as input to the comparator.
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