Datasheet

LTC6990
30
6990fc
For more information www.linear.com/LTC6990
 LINEAR TECHNOLOGY CORPORATION 2010
LT 0214 REV C • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
●
FAX: [phone]
●
www.linear.com/2364-16
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TYPICAL APPLICATION
Ultrasonic Frequency Sweep Generator
6990 TA13
LTC6990
OE
GND
SET
OUT
V
+
DIV
C1
0.1µF
R1
976k
R2
102k
R
SET1
49.9k
R
SET2
750k
C
SET
0.022µF
2.25V TO 5.5V
f
OUT
= 500kHz TO 31.25kHz
OE
74HC125
SWEEPS FROM 500kHz to 31.25kHz IN A
FEW MILLISECONDS (CONTROLLED BY C
SET
).