Contents
Features.............................................................. 1
Block Diagram..................................................... 1
Pin Assignment ................................................... 1
Dimensions ......................................................... 2
Absolute Maximum Ratings................................. 2
Electrical characteristics...................................... 2
Definition of Terms.............................................. 3
Load conditions ................................................... 4
Typical performance characteristics .................... 5
Frequently Asked Questions ................................. 7
S-8110ANP rev.1.01
Seiko Instruments Inc.
1
LOW VOLTAGE C-MOS TEMPERATURE SENSOR IC S-8110ANP
The S-8110ANP is a ultra-small packaged high-precision temperature
sensor IC that outputs voltage with a temperature coefficient of -
8.5mV/
C, and is able to operate at 2.4V. A temperature sensor, a
constant current circuit and an operational amplifier are integrated on a
single chip. The operating temperature ranges from -40
C to +100
C.
The S-8110ANP is superior in linearity over conventional temperature
sensors like thermistors. It can be applied to an ever expanding wide
range of applications that call for high-precision thermal control.
Features
Block Diagram
Linear Output Voltage : -8.5mV/
C
Ta = - 30
C : 1.823 V typ.
Ta = +30
C : 1.326 V typ.
Ta = + 100
C : 0.718 V typ.
Nonlinearity :
0.5 % typ. ( -20
C to +80
C )
Vss standard output
Low voltage operation : Vdd min. = 2.4 V
Low current consumption : Idd typ. = 4.5
A ( +25
C)
Ultra-small plastic package ( SC-82AB )
Pin Assignment
SC-82AB
2
1
3
4
1. Vdd
2. Vss
3. N.C.
4. Vout
( Top view )
Temperature sensor
{
|
V dd
V out
V ss
N.C.
1
4
2
3
S-8110ANP rev.1.01
Seiko Instruments Inc.
2
LOW VOLTAGE C-MOS TEMPERATURE SENSOR IC
S-8110ANP
Dimensions
SC-82AB
0.4
2.0(2.2 max.)
0.05
2
1
3
4
2.1
0.3
0.15
1.25
1.3
0.2
+0.1
-0.05
0.3
+0.1
-0.05
0.3
+0.1
-0.05
0.16
+0.1
-0.06
0.0 min.
1.1 max.
0.9
0.1
Unit : mm
Absolute Maximum Ratings
Item
Symbol
Ratings
Unit
Power supply
voltage(Vss=0.0V)
Vdd
6.5
V
Output voltage
Vout
Vss to Vdd
V
Operating temperature
Topr
-40 to +100
C
Storage temperature
Tstg
-55 to +125
C
Electrical characteristics
( - 40
C
Ta
+100
C, Vdd=5V)
Item
Symbol
Condition
Min.
Typ.
Max.
Unit
Power supply
voltage(Vss=0.0V)
Vdd
2.4
6.0
V
Ta = - 30
C
1.779
1.823
1.863
V
Output voltage
Vout
Ta = + 30
C
1.272
1.326
1.356
V
Ta = + 100
C
0.665
0.718
0.749
V
Temperature sensitivity
Vse
- 30
Ta
+ 100
C
- 8.84
- 8.50
- 8.18
mV/
C
Nonlinearity
NL
- 20
Ta
+ 80
C
0.5
%
Operating temperature
Topr
- 40
+ 100
V
Current consumption
Idd
Ta = + 25
C
4.5
10.0
A
S-8110ANP rev.1.01
Seiko Instruments Inc.
3
LOW VOLTAGE C-MOS TEMPERATURE SENSOR IC
S-8110ANP
Definition of terms
1. Output voltage ( Vout )
Output voltage Vout is defined as the voltage
between measured pin-4 and Vss.
Vout is linearly proportional to ambient
temperature.
S-8110ANP is tested for Vout at -30
C,+30
C
and +100
C.
2. Temperature sensitivity ( Vse )
Temperature sensitivity Vse is defined as the
average slope of the Vout versus Ta curve
using the following formula.
{
V
out
(+100) -
V
ou
t( - 30)
}
130
V
se
=
Vout(+100) : Output voltage at Ta=+100
C
Vout( - 30) : Output voltage at Ta= - 30
C
3. Nonlinearity NL
Nonlinearity NL is defined as the deviation of
the Vout versus Ta curve from the best-fit
straight line over the device's rated
temperature range.
NL =
a
b
100
a : The maximum deviation of the Vout vs.
Ta curve from the best-fit straight line
between - 20
C
and +80
C
.
b : The difference of the output voltage
between - 20
C
and +80
C
.
Output voltage Vout
max.
min.
Ambient temperature Ta
0
C
+100
C
+30
C
-30
C
Vout(-30)
Vout(+100)
0
C
+100
C
+30
C
slope : Temperature sensitivity
-30
C
Output voltage Vout
Ambient temperature Ta
Output voltage Vout
Ambient temperature Ta
a
Vout(-20)
b
a
a
Vout(+80)
0
C
+80
C
Vout vs. Ta curve
Best-fit
straight line
-20
C
S-8110ANP rev.1.01
Seiko Instruments Inc.
4
LOW VOLTAGE C-MOS TEMPERATURE SENSOR IC
S-8110ANP
Load conditions
Load capacitance :
C
L
100p F
Load resistance : R
L
500k
(Note : Do NOT connect a pull-up resistor to Vout pin.)
S-8110ANP
V out
R
L
C
L
C
L
100p F
R
L
500k
pin-,4
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