ald4501 Advanced Linear Devices Inc (ALD), ald4501 Datasheet - Page 4
ald4501
Manufacturer Part Number
ald4501
Description
Quad Precision High Speed Micropower Timer
Manufacturer
Advanced Linear Devices Inc (ALD)
Datasheet
1.ALD4501.pdf
(4 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ald4501PEL
Manufacturer:
Advanced Linear Devices Inc
Quantity:
135
Company:
Part Number:
ald4501PEL
Manufacturer:
Linear
Quantity:
130
Company:
Part Number:
ald4501SEL
Manufacturer:
Maxim
Quantity:
120
ALD4501
Frequency f = 1.46/ ( R
Duty Cycle DC = R
100
5.0
2.0
1.0
0.5
0.2
0.1
50
20
10
0.01
OUTPUT SINK CURRENT AS A FUNCTION
V
QUAD ASTABLE MODE OPERATION
+
T
( FREE RUNNING OSCILLATOR )
A
RB
RB
B
RA
RA
RB
RA3
RB
RA
0.02
= 25 C
/ ( R
V
4
1
1
2
3
4
2
-
A
C
C
C
C
A
+ 2R
1
2
3
4
OF OUTPUT VOLTAGE
+ 2R
10
1
2
3
4
5
6
7
8
9
OUTPUT VOLTAGE (V)
0.05
B
B
) C
)
V
+
= 12V
0.1
TYPICAL PERFORMANCE CHARACTERISTICS
TIMER 4
TIMER 1
TIMER 2
TIMER 3
19
18
13
12
11
20
17
16
15
14
0.2
OUT
OUT
OUT
OUT
SYNCHRONIZED TIMING GENERATORS
V
1
2
3
4
+
V
V
0.5
+
TYPICAL APPLICATIONS
+
= 2V
C
= 5V
10
8
9
4
7
Advanced Linear Devices
3
5
6
2
1
1.0
13
11
19
18
15
14
12
20
17
16
OUT 2
OUT 3
OUT 1
-100
-5.0
-0.2
-0.5
-1.0
-2.0
-0.1
-10
-20
-50
V
R
+
C
C
C
R
R
R
-1.0
QUAD MONOSTABLE MODE OPERATION
V
FUNCTION OF OUTPUT VOLTAGE
OUTPUT SOURCE CURRENT AS A
+
-0.5
Timer 4 oscillates in free running mode
( 50 % Duty Cycle ) and drives the trigger
inputs of timers 1,2,3, each with indepen-
dently set time delays.
INPUT 2
INPUT 1
INPUT 3
INPUT 4
V
R
R
R
R
-
4
1
2
3
( ONE SHOT PULSE )
10
1
4
8
OUTPUT VOLTAGE (V)
(REFERENCED TO V
2
6
7
9
3
5
-0.2
V + = 5V
V + = 2V
-0.1
V + = 12V
-0.05
19
12
11
20
18
17
16
15
14
13
+
DELAY 1
DELAY 3
DELAY 2
)
DELAY 4
Pulse Delay td = 1.1R
-0.02
C
C
C
C
4
1
2
3
-0.01
9-4
C