Datasheet

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last update
November 30, 2010
reference
smtutin
page
3/27
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3. Absolute Maximum Ratings
Specified at T
A
=25° unless otherwise noted
Absolute maximum ratings at 25 °C.
Power supply voltage -0.3 V to +7 V
Power supply current (excluding connection to the
sensor)
3 mA @ 5 V
Power dissipation 21 mW
Power dissipation at power down 7 µW
Output voltage -0.3 V to V
DD
+0.3 V
Output driving current (A,F) 8 mA
Output impedance 60 Ω
Input voltage ref. to V
SS
-0.3 V to V
DD
+0.3 V
Input current on each pin
±  
 
> 4000 V
Storage temperature range -65°C to +150°C
Operating temperature range -40°C to +85°C
Lead temperature (soldering, 10 sec) +300°C
4. General specifications 
Selection lines Number
1 2 3 4 Mode of Phases Name
Mode
No.
Capacitive modes
0 0 0 0 5 capacitors 0 - 2 pF 5 C25 0
0 0 0 1 3 capacitors 0-2 pF 3 C23 1
0 0 1 0 5 capacitors 0 - 12 pF 5 C12 2
0 0 1 1 external Mux 0 - 2/0 - 12 pF - CMUX 3
0 1 0 0 3 capacitors varialble range (<300pF) 3 C300 4
Resistive modes
0 1 0 1 Platinum resistor Pt100/1000, 4-wire 4 Pt 5
0 1 1 0
Thermistor 1 - 25 k
4 Ther 6
0 1 1 1 2 or 3 Pt100/1000 5 Pt2 7
1 0 0 0
2 or 3 Thermistors 1 - 25 k
5 Ther2 8
Bridge modes
1 0 0 1 Resitive bridge, Vbridge(+/- 200 mV) 3 Ub2 9
1 0 1 0 Resistve bridge, Vbridge (+/- 12,5 mV) 3 Ub1 10
1 0 1 1 Resistive bridge, Ibridge, (+/- 200mV) 3 Ib2 11
1 1 0 0 Resistive bridge, Ibridge, (+/- 12,5 mV) 3 Ib1 12
1 1 0 1 Res bridge and two resistors (200 mV) 5 Brg2 13
1 1 1 0 Res bridge and two resistors (12,5 mV) 5 Brg1 14
1 1 1 1
3 potentiometer 1 - 50 k
5 Potm 15
Table 2, Modes of UTI