CA3290 Maximum Ratings
Supply Voltage
Single Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +36V
Dual Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±18V
Differential Input Voltage . . . . . . . . . . . . . . . . 36V or [(V+ - V-) +5V]
(whichever is less)
DC Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . V+ +5V to V- -5V
Output to V- Short Circuit Duration (Note 1) . . . . . . . . . .Continuous
Input Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1mA
CA3290 Features
• MOSFET Input Stage
- Very High Input Impedance (ZIN) . . . . . . . . 1.7T (Typ)
- Very Low Input Current at V+ = 5V . . . . . . . 3.5pA (Typ)
- Wide Common Mode Input Voltage Range (VICR) Can Be Swung 1.5V (Typ) Below Negative Supply Voltage Rail
- Virtually Eliminates Errors Due to Flow of Input Currents
• Output Voltage Compatible with TTL, DTL, ECL, MOS, and CMOS Logic Systems in Most Applications
CA3290 Typical Application
• High Source Impedance Voltage Comparators
• Long Time Delay Circuits
• Square Wave Generators
• A/D Converters
• Window Comparators
CA3290 Connection Diagram
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