AU2901 NXP Semiconductors, AU2901 Datasheet - Page 5

• Manufacturer Part Number: AU2901
• Description: Quad Voltage Comparator
• Manufacturer: NXP Semiconductors

Philips Semiconductors
EQUIVALENT CIRCUIT
2001 Aug 03
Quad voltage comparator
NOTE:
Input of unused comparators should be grounded.
NOTES:
V+ = 30 V
+ 250 m V
700 H < f
O
DC
DC
FREQUENCY
= 100 kHz
< V
CONTROL
VOLTAGE
V
C
O
INPUT
+ VC
50 V
Visible Voltage Indicator
+
+
+
DC
+
V
V
V
V
REF 4
100
REF 3
100
100
REF 1
100
REF 2
100 k
50 k
+
+
+
+
–
–
–
–
100 k
100 k
100 k
100 k
+
20 k
0.1 F
5 V
DC
+
360
+
360
360
+
360
5 V
5 V
5 V
20 k
DC
DC
DC
10
Two–Decade High–Frequency VCO
–
+
Figure 3. Equivalent Circuit
500 pF
+
–
V
5
+
/2
V
30 k
+
0.01 F
V
5.1 k
–
/2
+
V
+
REF
1/4AU2901
V
–
+
IN
+V
700 k
HI
REF
TTL-to-MOS Logic Converter
0.1 F
Crystal-Controlled Oscillator
LOW
200 k
200 k
+V
1.4 V
2R
2R
R
Limit Comparator
S
REF
S
S
DC
V
+
5 V
+
–
3.0 k
+
–
+
100 k
CRYSTAL
–
1 – 100 kHz
DC
10K
–12 V
+
OUTPUT 2
V
+
OUTPUT 1
–
V (12 V
+
DC
DC
2.0 k
2N2222
)
V
O
10 k
V
O
LAMP
V
0
+
o
AU2901
SL00108
Product data
–12 V