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CS8190EDWFR20 Datasheet(PDF) 1 Page - Cherry Semiconductor Corporation |
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CS8190EDWFR20 Datasheet(HTML) 1 Page - Cherry Semiconductor Corporation |
1 / 8 page 1 Features SINE- SINE+ Gnd VREG F/VOUT SINE Output COS Output VREG 7.0V VCC COS- COS+ Gnd Gnd FREQIN SQOUT CP+ Input Comp. Gnd CP- Voltage Regulator + Ð + Ð High Voltage Protection Charge Pump BIAS Func. Gen. s Direct Sensor Input s High Output Torque s Low Pointer Flutter s High Input Impedance s Overvoltage Protection s Return to Zero Package Options 16 Lead PDIP (internally fused leads) 20 Lead SOIC (internally fused leads) Precision Air-Core Tach/Speedo Driver with Return to Zero 1 CP+ 2 3 4 5 6 7 8 SQOUT FREQIN Gnd Gnd COS+ COS- VCC 16 15 14 13 12 11 10 9 CP- F/VOUT VREG Gnd Gnd SINE+ SINE- BIAS 1 CP+ 2 3 4 5 6 7 8 SQOUT FREQIN Gnd Gnd COS+ 16 15 14 13 12 11 10 CP- F/VOUT VREG Gnd Gnd SIN+ 9 COS- SIN- 17 18 VCC BIAS 19 20 Gnd Gnd Gnd Gnd CS8190 Description The CS8190 is specifically designed for use with air-core meter move- ments. The IC provides all the func- tions necessary for an analog tachometer or speedometer. The CS8190 takes a speed sensor input and generates sine and cosine relat- ed 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 uti- lizes 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. Block Diagram Absolute Maximum Ratings Supply Voltage (<100ms pulse transient) .........................................VCC = 60V (continuous)..............................................................VCC = 24V Operating Temperature .............................................................Ð40¡C to +105¡C Storage Temperature..................................................................Ð40¡C to +165¡C Junction Temperature .................................................................Ð40¡C to+150¡C ESD (Human Body Model) .............................................................................4kV Lead Temperature Soldering Wave Solder(through hole styles only).............10 sec. max, 260¡C peak Reflow (SMD styles only).............60 sec. max above 183¡C, 230¡C peak A Company ¨ Rev. 11/21/96 Cherry Semiconductor Corporation 2000 South County Trail, East Greenwich, RI 02818 Tel: (401)885-3600 Fax: (401)885-5786 Email: info@cherry-semi.com Web Site: www.cherry-semi.com |
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