ASM121 ETC-unknow, ASM121 Datasheet - Page 4

• Manufacturer Part Number: ASM121
• Description: Simistor ?emperature Sensor Ultra-low-power Silicon Thermistor
• Manufacturer: ETC-unknow

Typical Performance Characteristics
Typical Applications
© Andigilog, Inc. 2004
Figure 3. Serial Output Temperature to Digital Converter (Full Scale = +125˚C)
aSM121
U1
16
16
16
16
16
16
15
15
15
15
15
15
14
14
14
14
14
14
13
13
13
13
13
13
12
12
12
12
12
12
11
11
11
11
11
11
10
10
10
10
10
10
9
9
9
9
9
9
8
8
8
8
8
8
7
7
7
7
7
7
-50
-50
-50
-50
-50
-50
-50
-50
-50
-50
V
Temp
100K
Figure 2. aSM121 Current vs Temperature
10K
-25
-25
-25
-25
-25
-25
-25
-25
-25
-25
FB
3.3V
0
0
0
0
0
0
0
0
0
0
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3.9K
Shunt Voltage
Temperature (°C)
Temperature (°C)
Temperature (°C)
Temperature (°C)
Temperature (°C)
Temperature (°C)
Adjustable
Reference
25
25
25
25
25
25
25
25
25
25
+
- 4 -
U2
1.75V
5
5
50
50
5
5
5
5
50
50
0
0
0
0
0
0
REF
IN
Analog-to-Digital
75
75
75
75
75
75
75
75
75
75
Converter
Serial
V
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
DD
=+3V
=+3V
=+3V
=+3V
=+3V
=+3V
=+3V
=+3V
=+3V
100
100
100
100
100
100
100
100
100
100
U3
125
125
125
125
125
125
125
125
125
125
CLOCK
ENABLE
SERIAL
DATA OUT
July 2005 - 70A04006
aSM121