AU2901N View Datasheet(PDF) - Philips Electronics
Part Name
Description
MFG CO.
AU2901N Datasheet PDF : 10 Pages
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Philips Semiconductors
Quad voltage comparator
Product data
AU2901
EQUIVALENT CIRCUIT
+ VC
FREQUENCY
CONTROL
VOLTAGE
INPUT
100 kΩ
0.1 µF
–
10
+
500 pF
20 kΩ
50 kΩ
20 kΩ
+
V+
30 kΩ
5.1 kΩ
0.01 µF
V – /2
700 kΩ
–
1/4AU2901
+
V + /2
V+
3.0 kΩ
OUTPUT 1
OUTPUT 2
–
NOTES:
V+ = 30 VDC
+ 250 m VDC < VC ≤ 50 VDC
700 H < fO = 100 kHz
Two–Decade High–Frequency VCO
+ V (12 VDC)
+ VREF HI
2RS
10KΩ
+
+ VIN
–
RS
LAMP
+ 5 VDC
+
2RS –
2N2222
360
+ VREF 4
100
+
–
100 kΩ
+ 5 VDC
360
+
+ VREF 3 –
100 kΩ
VO
100
+ 5 VDC
360
+VREF LOW
Limit Comparator
5 VDC
+VREF
1.4 VDC
+
–
–12 VDC
o
VO
10 kΩ
TTL-to-MOS Logic Converter
+
+ VREF 2 –
100 kΩ
100
+ 5 VDC
360
+
+ VREF 1 –
100 kΩ
100
V+
200 kΩ 100 kΩ
+
0.1 µF
–
2.0 kΩ
V+
VO
0
200 kΩ
CRYSTAL
1 – 100 kHz
Visible Voltage Indicator
Crystal-Controlled Oscillator
–12 V
NOTE:
Input of unused comparators should be grounded.
Figure 3. Equivalent Circuit
SL00108
2001 Aug 03
5
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