LT119A/LT319A
LM119/LM319
TYPICAL APPLICATIONS
10-Bit Serial Output A/D Converter
5V
INPUT
0V TO 3.5V
10k*
5V
20k*
LT1004-1.2
4.7k
5V
10k
5
11
–
+
74C04
1N4148
12
9
PN4250
PN4250
1k
1/2 LT119A
+
3
4
7
1000µF†
1/2 LT119A
10
6
–
DATA
OUT
8
–5V
1N4148
1k
39k
82k
0.1µF†
2N3904
15k
1N4148
1k
CONVERSION TIME = 10ms
* = 1%
3.9k
–5V
CAPACITORS ARE POLYSTYRENE MOUNT
IN CLOSE PROXIMITY
CONVERT
COMMAND
INPUT (TTL)
5V
*1% FILM
LT119/319 TA7
† POLYSTYRENE, MOUNT
CAPACITORS CLOSE TOGETHER
5 Microsecond Sample-and-Hold with Zero Hold Step
15V
1N4148
+
3k
100Ω
4.7k
12k
10µF
2N2907
15V
240Ω
15V
2N4931
2N2907
V
OUT
11
5
4
2pF
TO 8pF*
10pF
1k
0.003µF†
2N2222
3.3k
–15V
–
9k
1k
10k
10
12
–
1/2 LT119A
3
7
2N2907
+
1/2 LT119A
9
8
+
6
3k
20k
9k
15V
D
INPUT
1N4148
3k
–15V
V
S
Q
CLK
74C74
PRESET
CLR
*TRIM FOR ZERO VOLTS OUT
WITH ZERO VOLTS IN
5V
SAMPLE
HOLD
† POLYSTYRENE CAPACITOR
LT119/319 TA8
0V
119a319afc
7
Linear [ Linear ]
