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CA3094B датащи(PDF) 6 Page - Intersil Corporation |
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CA3094B датащи(HTML) 6 Page - Intersil Corporation |
6 / 14 page 3-6 Application Information For additional application information, refer to Application Note AN6048, “Some Applications of a Programmable Power/Switch Amplifier IC” and AN6077 “An IC Operational Transconductance Amplifier (OTA) with Power Capability”. Design Considerations The selection of the optimum amplifier bias current (IABC) depends on: 1. The Desired Sensitivity - The higher the IABC, the higher the sensitivity, i.e., a greater drive current capability at the output for a specific voltage change at the input. 2. Required Input Resistance - The lower the IABC, the high- er the input resistance. If the desired sensitivity and required input resistance are not known and are to be experimentally determined, or the anticipated equipment design is sufficiently flexible to tolerate a wide range of these parameters, it is recommended that the equipment designer begin his calculations with an IABC of 100µA, since the CA3094 is characterized at this value of amplifier bias current. The CA3094 is extremely versatile and can be used in a wide variety of applications. FIGURE 9. PHASE COMPENSATION TEST CIRCUIT FIGURE 10. PRESETTABLE ANALOG TIMER Test Circuits (Continued) CA3094A 2 3 6 1 4 8 5 -15V 51 Ω 2k Ω CC 56k Ω 7 R2 - + +15V OUTPUT R3 RC R1 CLOSED LOOP GAIN (dB) R1 (k Ω) R2 (k Ω) R3 (k Ω) 010 ∞ 10 20 10 1 10 40 1 0.1 10 CA3094A 3 2 6 4 5 7 8 - + C1 D1 S1 R5 R6 R7 COMMON V+ = 30V 120VAC S2 R8 R1 R2 R3 R4 RLOAD EOUT MT1 MT2 (NOTE 12) NOTES: 12. C1 = 0.5µF D1 = 1N914 R1 = 0.51MΩ = 3 min. R2 = 5.1MΩ = 30 min. R3 = 22MΩ = 2 hrs. R4 = 44MΩ = 4 hrs. R5 = 1.5kΩ R6 = 50kΩ R7 = 5.1kΩ R8 = 1.5kΩ 13. Potentiometer required for initial time set to permit device inter- connecting. Time variation with temperature <0.3%/oC. 0 0 29V 27V 3V S1 3 6 Time = 1 hr. S2 Set to R4 CA3094, CA3094A, CA3094B |
Аналогичный номер детали - CA3094B |
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Аналогичное описание - CA3094B |
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