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ICL8038 Data Sheet September 1998 File Number 2864.3 Precision Waveform Generator/Voltage Controlled Oscillator The ICL8038 waveform generator is a monolithic integrated circuit capable of producing high accuracy sine, square, triangular, sawtooth and pulse waveforms with a minimum of external components. The frequency (or repetition rate) can be selected externally from 0.001Hz to more than 300kHz using either resistors or capacitors, and frequency modulation and sweeping can be accomplished with an external voltage. The ICL8038 is fabricated with advanced monolithic technology, using Schottky barrier diodes and thin film resistors, and the output is stable over a wide range of temperature and supply variations. These devices may be interfaced with phase locked loop circuitry to reduce temperature drift to less than 250ppm/oC. Features · Low Frequency Drift with Temperature . . . . . . .250ppm/oC · Low Distortion. . . . . . . . . . . . . . . . 1% (Sine Wave Output) · High Linearity . . . . . . . . . . . 0.1% (Triangle Wave Output) · Wide Frequency Range . . . . . . . . . . . 0.001Hz to 300kHz · Variable Duty Cycle . . . . . . . . . . . . . . . . . . . . . 2% to 98% · High Level Outputs . . . . . . . . . . . . . . . . . . . . . . TTL to 28V · Simultaneous Sine, Square, and Triangle Wave Outputs · Easy to Use - Just a Handful of External Components Required Ordering Information PART NUMBER ICL8038CCPD ICL8038CCJD ICL8038BCJD ICL8038ACJD STABILITY 250ppm/oC (Typ) 250ppm/oC (Typ) 180ppm/oC (Typ) 120ppm/oC (Typ) TEMP. RANGE (oC) 0 to 70 0 to 70 0 to 70 0 to 70 PACKAGE 14 Ld PDIP 14 Ld CERDIP 14 Ld CERDIP 14 Ld CERDIP PKG. NO. E14.3 F14.3 F14.3 F14.3 Pinout ICL8038 (PDIP, CERDIP) TOP VIEW Functional Diagram V+ CURRENT SOURCE #1 I 14 NC 2I 2 3 4 5 6 7 13 NC 12 SINE WAVE ADJUST 11 V- OR GND 10 TIMING CAPACITOR 9 8 SQUARE WAVE OUT FM SWEEP INPUT BUFFER BUFFER CURRENT SOURCE #2 C COMPARATOR #2 10 6 COMPARATOR #1 SINE WAVE 1 ADJUST SINE WAVE OUT TRIANGLE OUT DUTY CYCLE FREQUENCY ADJUST V+ FM BIAS FLIP-FLOP V- OR GND 11 SINE CONVERTER 9 3 2 1 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 321-724-7143 | Copyright © Intersil Corporation 1999 ICL8038 Absolute Maximum Ratings Supply Voltage (V- to V+). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36V Input Voltage (Any Pin) . . . . . . . . . . . . . . . . . . . . . . . . . . . . V- to V+ Input Current (Pins 4 and 5). . . . . . . . . . . . . . . . . . . . . . . . . . . 25mA Output Sink Current (Pins 3 and 9) . . . . . . . . . . . . . . . . . . . . . 25mA Thermal Information Thermal Resistance (Typical, Note 1) JA (oC/W) JC (oC/W) CERDIP Package. . . . . . . . . . . . . . . . . 75 20 PDIP Package . . . . . . . . . . . . . . . . . . . 115 N/A Maximum Junction Temperature (Ceramic Package) . . . . . . . .175oC Maximum Junction Temperature (Plastic Package) . . . . . . . .150oC Maximum Storage Temperature Range . .