AU2903 Просмотр технического описания (PDF) - Philips Electronics
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AU2903 Datasheet PDF : 5 Pages
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Philips Semiconductors Linear Products
Low power dual voltage comparator
Product specification
AU2903
TYPICAL APPLICATIONS
+ VC
FREQUENCY
CONTROL
VOLTAGE
INPUT
100kΩ
0.1µF
–
10
+
500pF
20kΩ
50kΩ
20kΩ
+
V+
30kΩ
5.1kΩ
.01µF
V – /2
700kΩ
–
+
V + /2
V+
3.0kΩ
OUTPUT 1
OUTPUT 2
–
NOTES:
V+ = 30VDC
+ 250m VDC < VC = 50VDC
700H < fO = 100kHz
Two–Decade High–Frequency VCO
+ V (12VDC)
+ VREF HI
2RS
10KΩ
+
+ VIN
–
RS
LAMP
+ 5VDC
+
2RS –
2N2222
360
+ VREF 4
100
+
–
100k
+ 5VDC
360
+
+ VREF 3 –
100k
VO
100
+ 5VDC
360
+VREF LOW
Limit Comparator
5VDC
+VREF
1.4VDC
+
–
–12VDC
o
VO
10KΩ
-12V
TTL–to–MOS Logic Converter
+
+ VREF 2 –
100k
100
+ 5VDC
360
+
+ VREF 1 –
100k
100
V+
200kΩ 100kΩ
+
0.1µF
–
2.0kΩ
V+
VO
0
200kΩ CRYSTAL
1 – 100kHz
Visible Voltage Indicator
Crystal–Controlled Oscillator
NOTE:
Input of unused comparators should be grounded.
August 31, 1994
303
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