LTC6990 View Datasheet(PDF) - Analog Devices
Part Name
Description
MFG CO.
LTC6990 Datasheet PDF : 30 Pages
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TYPICAL APPLICATIONS
Speaker Alarm. Modulate Tone with RVCO within 500Hz to 8kHz Span
5V
STEP
RAMP
5V
RVCO
OE
OUT
LTC6990
GND
V+
SET
97.6k
DIV
6990 TA05
IN4004
20k
50k
5V
1M
887k
8Ω
2N2222
LTC6990
Overvoltage Detector/Alarm. Direct Drive of Piezo Alarm
24V
RA
787k
RB
10.7k
400mV
5V
+
LT6703-3
–
V ALARM
=
400mV
⎛
⎜1+
⎝
RA
RB
⎞
⎟
⎠
=
30V
100k
OE
OUT
LTC6990
GND
V+
SET
392k
DIV
6990 TA06
5V
1M
523k
PIEZO ALARM
4kHz
MURATA
PKM29-3A0
For more information www.analog.com
Rev. D
23
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