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CS4121 数据表(PDF) 1 Page - ON Semiconductor |
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CS4121 数据表(HTML) 1 Page - ON Semiconductor |
1 / 12 page © Semiconductor Components Industries, LLC, 2004 June, 2004 − Rev. 8 1 Publication Order Number: CS4121/D 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. The CS4121 is compatible with the CS8190, and provides higher accuracy at a lower supply voltage (8.0 V min. as opposed to 8.5 V). It is functionally operational to 6.5 V. Features • 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 ABSOLUTE MAXIMUM RATINGS Rating Value Unit Supply Voltage, VCC < 100 ms Pulse Transient Continuous 60 24 V V Operating Temperature (TJ) −40 to +105 °C Storage Temperature −40 to +165 °C Junction Temperature −40 to +150 °C ESD (Human Body Model) 4.0 kV Lead Temperature Soldering: Wave Solder (through hole styles only) (Note 1) Reflow: (SMD styles only) (Note 2) 260 peak 230 peak °C °C Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. 10 seconds maximum. 2. 60 second maximum above 183 °C. *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. DIP−16 NF SUFFIX CASE 648 1 16 SO−20L DWF SUFFIX CASE 751D 1 20 http://onsemi.com Device Package Shipping† ORDERING INFORMATION CS4121EDWF20 SO−20L 37 Units/Rail CS4121EDWF20G SO−20L (Pb−Free) 37 Units/Rail CS4121EDWFR20 SO−20L 1000 Tape&Reel CS4121ENF16 DIP−16 25 Units/Rail †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. See specific marking information and pin connection information on page 4 of this data sheet. DEVICE MARKING INFORMATION |
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