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April 2001
ICL8038
File Number 2864.4
Precision Waveform Generator/Voltage
Controlled Oscillator
Features
? Low Frequency Drift with Temperature . . . . . 250ppm/ o C
[ /Title
(ICL80
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
? Low Distortion . . . . . . . . . . . . . . . 1% (Sine Wave Output)
? High Linearity . . . . . . . . . . .0.1% (Triangle Wave Output)
38)
/Sub-
ject
(Preci-
sion
Wave-
form
Gener-
ator/Vo
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/ o C.
? 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
ltage
Con-
Ordering Information
trolled
Oscil-
lator)
/Autho
PART NUMBER
ICL8038CCPD
ICL8038CCJD
STABILITY
250ppm/ o C (Typ)
250ppm/ o C (Typ)
TEMP. RANGE ( o C)
0 to 70
0 to 70
PACKAGE
14 Ld PDIP
14 Ld CERDIP
PKG. NO.
E14.3
F14.3
r ()
ICL8038BCJD
180ppm/ o C (Typ)
0 to 70
14 Ld CERDIP
F14.3
/Key-
words
ICL8038ACJD
120ppm/ o C (Typ)
0 to 70
14 Ld CERDIP
F14.3
SINE WAVE 1
I
(Inter-
sil
Corpo-
ration,
semi-
con-
Pinout
ADJUST
ICL8038
(PDIP, CERDIP)
TOP VIEW
14 NC
Functional Diagram
CURRENT
SOURCE
#1 COMPARATOR
#1
10
6
V+
ductor,
wave-
form
SINE
WAVE OUT
TRIANGLE
OUT
2
3
13 NC
12 SINE WAVE
ADJUST
2I
C
COMPARATOR
#2
genera-
tor,
volt-
DUTY CYCLE
FREQUENCY
ADJUST
4
5
11 V- OR GND
10 TIMING
CAPACITOR
CURRENT
SOURCE
FLIP-FLOP
age
con-
trolled
oscilla-
V+
FM BIAS
6
7
9
8
SQUARE
WAVE OUT
FM SWEEP
INPUT
#2
BUFFER
BUFFER
V- OR GND
11
SINE
CONVERTER
tor,
preci-
9
3
2
sion,
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143 | Intersil and Design is a trademark of Intersil Americas Inc.
Copyright ? Intersil Americas Inc. 2001, All Rights Reserved
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