ADC0838 Micro Linear Corporation, ADC0838 Datasheet - Page 21

• Manufacturer Part Number: ADC0838
• Description: Serial I/O 8-Bit A/D Converters with Multiplexer Options
• Manufacturer: Micro Linear Corporation

APPLICATIONS
(Continued)
4mA–20mA
LM385–2.5V
LM385–2.5V
10 F
CLK
CS
DI
+
10k
10k
10k
100
1N4148
10k
47k
47 F
2N2222
2N2222
2N2222
6V
6V
4mA–20mA Current Loop Converter
470
470
24k
5k
8
6
5
Isolated Data Converter
6V
6.2k
3.9k
TRANSFORMER
TRW-TC-SSD-32
6N139 HIGH GAIN
OPTOCOUPLER
5
1
• ALL POWER SUPPLIED BY LOOP
• 1500V ISOLATION AT OUTPUT
200k
ML2281, ML2282, ML2284, ML2288
300k
1/6 74HC14
4N28
4N28
3
7
2
6
+IN
–IN
V
2
3
REF
ML2281
V
V
V
GND
V
CC
CC
CC
1N4148
6.8k
CC
100k
47k
100k
CLK
DO
CS
+
1000pF
CS
D1
DO
• NO POWER REQUIRED REMOTELY
• 1500V ISOLATION
100k
100 F
OPTO COUPLER
ML2288
3
5
CLK
1N4148
6N139
= 50kHZ
6 8
V
INP
V
O
CD4024
CC
5
100k
2
50pF
10k
V
CC
V
CC
8 ANALOG
CHANNELS
V
V+
V
GND
CC
O
OUT
21