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© Andigilog, Inc. 2003
www.andigilog.com
70A03201-004
aTS20
Typical Applications
IN
10K
Ω
100K
Ω
1
μF
FB
1.75V
REF
3.9K
Ω
SERIAL
DATA OUT
CLOCK
ENABLE
aTS20
3V
VTemp
Serial
Analog-to-Digital
Converter
Adjustable
Shunt Voltage
Reference
+
Note: The full scale of the A-to-D Converter will typically be limited to +125˚C simply by the number of bits available in the conversion.
The aTS20 would still be capable of its full output swing.
Figure 4. Serial Output Temperature to Digital Converter
3V
WR
5K
Ω
30K
Ω
IN
VREF
1.75V
15K
Ω
1
μF
+
_
PARALLEL
DATA
OUTPUT
INTR
CS
RD
8
VTemp
Parallel Output
Analog-to-Digital
Converter
aTS20
Figure 5. Parallel Output Temperature to Digital Converter (Full Scale = +125˚C)