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TMP12 Datasheet(PDF) 4 Page - Analog Devices

Part # TMP12
Description  Airflow and Temperature Sensor
PDF  12 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

TMP12 Datasheet(HTML) 4 Page - Analog Devices

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REV. B
TMP12
–4–
–Typical Performance Characteristics
HEATER RESISTOR POWER
DISSIPATION (mW)
35
0
30
25
20
15
10
5
0
50
100
150
200
250
V+ = 5V
SOIC-8 SOLDERED TO
0.5
0.3 CU PCB
0 FPM
250 FPM
600 FPM
AIR FLOW RATES
450 FPM
TPC 1. SOIC Junction Temperature
Rise vs. Heater Dissipation
TIME (sec)
120
0
110
100
90
80
70
60
50
40
30
20
10
0
24
6
8
10 12
14
16 18
20
TRANSITION FROM STILL 25 C
AIR TO STIRRED 100 C BATH
V+ = 5V, NO LEAD, HEATER OFF
SOIC-8 SOLDERED TO 0.5
0.3 CU PCB
SOIC AND PCB
TPC 4. Thermal Response Time in
Stirred Oil Bath
TEMPERATURE ( C)
5.0
–75
4.5
4.0
3.5
–25
25
75
125
175
3.0
START-UP VOLTAGE DEFINED AS
OUTPUT READING BEING WITHIN
C OF OUTPUT AT 5V
NO LEAD, HEATER OFF
TPC 7. Start-Up Voltage vs.
Temperature
TIME (sec)
70
0
65
60
55
50
45
40
35
30
25
20
15
10
5
0
10 20 30 40 50 60 70 80 90 100 110120 130
SOIC-8, HTR @ 5V
SOIC-8, HTR @ 3V
V+ = 5V RHEATER TO EXTERNAL
SUPPLY TURNED ON @
t = 5 sec
SOIC-8 SOLDERED TO 0.5
0.3
COPPER PCB
TPC 2. Junction Temperature Rise in
Still Air
TEMPERATURE ( C)
102.0
–75
101.5
101.0
100.5
100.0
99.5
99.0
98.5
98.0
–25
25
75
125
175
V+ = 5V
TPC 5. Heater Resistance vs.
Temperature
TEMPERATURE ( C)
500
–75
475
450
425
400
375
350
325
300
–25
25
75
125
175
V+ = 5V
NO LEAD
HEATER OFF
TPC 8. Supply Current vs.
Temperature
AIR VELOCITY (FPM)
140
0
130
120
110
100
90
80
70
60
50
40
30
20
10
0
100
200
300
400
500
600
700
TRANSITION FROM 100 C STIRRED
BATH TO FORCED 25 C AIR
V+ = 5V, NO LEAD, HEATER OFF
SOIC-8 SOLDERED TO 0.5
0.3 CU PCB
SOIC AND PCB
TPC 3. Package Thermal Time
Constant in Forced Air
TEMPERATURE ( C)
2.520
–75
2.515
2.510
2.505
2.500
2.495
2.490
–25
25
75
125
175
V+ = 5V
NO LOAD
HEATER OFF
TPC 6. Reference Voltage vs.
Temperature
TEMPERATURE ( C)
6
–50
5
4
3
2
1
0
–1
–2
–3
–4
–5
–6
–25
0
25
50
75
100
125
MAXIMUM LIMIT
ACCURACY ERROR
MINIMUM LIMIT
TPC 9. Accuracy Error vs.
Temperature



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