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CS4121 - Low Voltage Precision Air-Core Tach/Speedo Driver

Datasheet Summary

Description

PACKAGE PIN # DIP 16 1 2 3 4, 5, 12, 13 6 7 8 9 10 11 14 15 16 SO 20L 1 2 3 4 7, 14 17 8 9 10 11 12 13 18 19 20 PIN SYMBOL CP+ SQOUT FREQIN GND COS+ COS VCC BIAS SIN SIN+ VREG F/VOUT CP

FUNCTION Positive input to charge pump.

Features

  • http://onsemi. com 20 1 SO.
  • 20L DWF SUFFIX CASE 751D.
  • Pb.
  • Free Package is Available.
  • Direct Sensor Input High Torque Output Low Pointer Flutter High Input Impedance Overvoltage Protection Accurate to 8.0 V Functional to 6.5 V (typ) Internally Fused Leads in SO.
  • 20 Package and DIP.
  • 16 16 1 DIP.
  • 16 NF SUFFIX CASE 648.

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Datasheet preview – CS4121

Datasheet Details

Part number CS4121
Manufacturer ON Semiconductor
File Size 126.09 KB
Description Low Voltage Precision Air-Core Tach/Speedo Driver
Datasheet download datasheet CS4121 Datasheet
Additional preview pages of the CS4121 datasheet.

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Full PDF Text Transcription

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www.DataSheet4U.com CS4121 Low Voltage Precision Air−Core Tach/Speedo Driver The CS4121 is specifically designed for use with air−core meter movements. The IC provides all the functions necessary for an analog tachometer or speedometer. The CS4121 takes a speed sensor input and generates sine and cosine related output signals to differentially drive an air−core meter. Many enhancements have been added over industry standard tachometer drivers such as the CS289 or LM1819. The output utilizes differential drivers which eliminates the need for a Zener reference and offers more torque. The device withstands 60 V transients which decreases the protection circuitry required. The device is also more precise than existing devices allowing for fewer trims and for use in a speedometer.
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