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icl8038 datasheet - pdf download

DATASHEET
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ICL8038
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Precision Waveform Generator/Voltage Controlled Oscillator
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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.
FN2864
Rev.4.00
Apr 2001
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
STABILITY
TEMP. RANGE (oC)
ICL8038CCPD
250ppm/oC (Typ)
0 to 70
14 Ld PDIP
E14.3
ICL8038CCJD
250ppm/oC (Typ)
0 to 70
14 Ld CERDIP
F14.3
ICL8038BCJD
180ppm/oC (Typ)
0 to 70
14 Ld CERDIP
F14.3
ICL8038ACJD
120ppm/oC (Typ)
0 to 70
14 Ld CERDIP
F14.3
PART NUMBER
Pinout
PACKAGE
PKG. NO.
Functional Diagram
ICL8038
(PDIP, CERDIP)
TOP VIEW
SINE WAVE 1
ADJUST
14 NC
SINE
WAVE OUT
2
13 NC
TRIANGLE
OUT
3
12 SINE WAVE
ADJUST
4
11 V- OR GND
5
10 TIMING
CAPACITOR
V+
6