 | Author | Message | < Digital Electronic ~ Integrated circuit CS4121 datasheet info | | wisdomchina | | Posted: Fri May 09, 2008 1:05 pm Post subject: Integrated circuit CS4121 datasheet info | | | | Joined: 22 Apr 2008 Posts: 4 | The Integrated circuit 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 60V 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.
The CS4121 is compatible with the CS8190, and provides higher accuracy at a lower supply voltage (8.0V min. as opposed to 8.5V). It is functionally operational to 6.5V. tachometer drivers such as the CS289 or LM1819. The output utilizes differential drivers which elim
inates the need for a zener reference and offers more torque. The device
withstands 60V transients which decreases the protection circuitry
required. The device is also more precise than existing devices allow-
ing for fewer trims and for use in a speedometer. The CS4121 is compatible with the CS8190, and provides higher accu-
racy at a lower supply voltage (8.0V min. as opposed to 8.5V). It is func-
tionally operational to 6.5V.
CS4121 datasheet and PDF check from ChinaICMart . | | |
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