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NCS2300 - Headset Detection Interface

Description

GND is connected to the system ground.

The open drain MIC output controls the bias on the MIC line.

When the headset is not present, MIC is pulled low.

Features

  • Supply Voltage: 1.6 V to 2.75 V.
  • Low Quiescent Supply Current: 7.5 mA typical @ VDD = 1.8 V.
  • Integrated Resistors, Comparator, OR Gate, and N.
  • Channel MOSFET.
  • Space Saving UDFN6 Package.
  • These Devices are Pb.
  • Free, Halogen Free/BFR Free and are RoHS Compliant Typical.

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Datasheet preview – NCS2300

Datasheet Details

Part number NCS2300
Manufacturer ON Semiconductor
File Size 397.72 KB
Description Headset Detection Interface
Datasheet download datasheet NCS2300 Datasheet
Additional preview pages of the NCS2300 datasheet.

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Full PDF Text Transcription

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NCS2300 Headset Detection Interface The NCS2300 is a compact and cost effective headset detection interface IC. It integrates a comparator, OR gate, and N−channel MOSFET to detect the presence of a stereo headset with a microphone. Pull−up resistors for the detection pins are internalized. A built in resistor divider provides the reference voltage for detecting the left audio channel. The logic low output of the OR gate indicates the headset has been connected properly. The NCS2300 comes in a space saving UDFN6 package (1.2 x 1.0 mm). Features • Supply Voltage: 1.6 V to 2.75 V • Low Quiescent Supply Current: 7.5 mA typical @ VDD = 1.
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