ca3280 Intersil Corporation, ca3280 Datasheet
ca3280
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ca3280 Summary of contents
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... D 1 September 1998 Features • Low Initial Input Offset Voltage: 500 V (Max) (CA3280A) • Low Offset Voltage Change vs I for All Types • Low Offset Voltage Drift • Excellent Matching of the Two Amplifiers for All Characteristics • Internal Current-Driven Linearizing Diodes Reduce the External Input Current to an Offset Component • ...
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... Functional Diagram . 1/2 CA3280 - CA3280, CA3280A ...
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... Peak Input Current with Linearizing Diode Operating Conditions Temperature Range CA3280 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0 CA3280A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -55 Supply Voltage Range (Typ 15V CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specifi ...
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... Slew Rate, Open Loop Capacitance Output Resistance Test Circuits and Waveforms 30V 1/2 CA3280 TEST POINT + 16 3 FIGURE 1. LEAKAGE CURRENT TEST CIRCUIT 4 CA3280, CA3280A 15V, Unless Otherwise Specified (Continued) A SUPPLY TEST CONDITIONS MIN -, I = 500 Full 350 ABC A + Temperature Range ...
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... With no diode bias current, the gain is merely g ABC example, with an l With the CA3280 operating into a 5k resistor, the gain is 80. The need for external buffers can be eliminated by the use of low value load resistors, but the resulting increase in the required amplifier bias current reduces the input impedance ...
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... CA3280, CA3280A Figure 10 shows a triangle wave to sine wave converter using the CA3280. Two 100k resistors are connected between the differential amplifier emitters and V+ to reduce the current flow through the differential amplifier. This allows the amplifier to fully cut off during peak input signal excursions ...
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... V+ V- 100k V+ 5.6k 500 10k MAX FREQ. MIN FREQ. SET SET FIGURE 9. CA3280 USED IN CONJUNCTION WITH A CA3160 TO PROVIDE A FUNCTION GENERATOR WITH A TUNABLE RANGE OF 2Hz TO 1MHz 170mV 0.1 +15V 100k FIGURE 10. TRIANGLE WAVE-TO-SINE WAVE CONVERTER 7 CA3280, CA3280A +15V 10k 13 1800pF 2k 1N914 ...
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... T = 125 - - -14 -15 - AMPLIFIER BIAS CURRENT ( A) FIGURE 15. PEAK OUTPUT VOLTAGE vs AMPLIFIER BIAS CURRENT 8 CA3280, CA3280A FIGURE 12. SUPPLY CURRENT vs DIODE CURRENT FIGURE 14 ...
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... DIODE CURRENT ( A) FIGURE 21. DIODE RESISTANCE vs DIODE CURRENT 9 CA3280, CA3280A (Continued) 1800 1600 1400 1200 1000 800 = 600 400 100 125 150 175 o C) FIGURE 18. AMPLIFIER BIAS VOLTAGE vs AMPLIFIER BIAS ...
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... Grid graduations are in mils (10 The photographs and dimensions represent a chip when it is part of the wafer. When the wafer is cut into chips, the cleavage angles are 57 chip. Therefore, the isolated chip is actually 7 mils (0.17mm) larger in both dimensions. 10 CA3280, CA3280A (Continued ...