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ADC0838CCN Просмотр технического описания (PDF) - Micro Linear Corporation

Номер в каталогеADC0838CCN Micro-Linear
Micro Linear Corporation Micro-Linear
Компоненты ОписаниеSerial I/O 8-Bit A/D Converters with Multiplexer Options
ADC0838CCN Datasheet PDF : 26 Pages
First Prev 11 12 13 14 15 16 17 18 19 20 Next Last
ML2281, ML2282, ML2284, ML2288
APPLICATIONS (Continued)
VCC
(5VDC)
VCC
VIN
(+
> 2.5V 2.5V
R
+
VREF
ML2281
R
CONTROLLER PERFORMS A ROUTINE TO DETERMINE WHICH
INPUT POLARITY PROVIDES A NON-ZERO OUTPUT CODE.
THIS INFORMATION PROVIDES THE EXTRA BITS.
Obtaining 9-Bit Resolution
15VDC
OP
+ AMP
600
–15VDC
VIN (+)
VCC
ML2281
+
10µF
VIN (–)
DIODE CLAMPING IS NOT NEEDED
IF CURRENT IS LIMITED TO 25mA
Protecting the Input
VCC
(5VDC)
0.1
→ ILOAD
100
VIN (–)
VCC
240k
ML2281
(2A FULL-SCALE)
VCC
(5VDC)
+
10µF
LOAD
2k
9.1k
100
ZERO
ADJ.
120k
VIN (+)
VREF
+
3k1µF
1k
FS
ADJ.
LM336
Digitizing a Current Flow
VCC
(5VDC)
20k
VXDR
XDR
1k
ZERO
ADJ.
VIN (+)
VCC
VIN (–)*
3k
ML2281
+
10µF
10k
+
VIN
VREF 0.7 VCC
+
1µF
*VIN (–) = 0.15VCC
15% OF VCC VXDR 85% OF VCC
1k
FS
ADJ.
24k
VCC
(5VDC)
VIN (+)
VCC
ML2281
VIN (–)
VREF
+
10µF
10k
2k
FS
ADJ.
1k
+
1µF SET FOR 3V
Operating with Ratiometric Transducers
20
Span Adjust: 0V - VIN - 3V
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