Rev.1.1
_01
CMOS TEMPERATURE SENSOR IC
S-5815A/5816A Series
The S-5815A/5816A Series is a family of high-precision temperature
sensor ICs on a single chip with a linear output voltage for temperature
changes.
Each chip is composed of a temperature sensor, a constant current
circuit, and an operational amplifier.
It can be used at temperatures ranging from –40°C to 100°C. These
devices have much better linearity than other temperature sensors such
as thermistors, and can be used for a wide range of temperature control
applications.
Features
•
Temperature accuracy
•
Linear output voltage
S-5815A Series :
±5.0°C
(–30 to 100°C)
S-5816A Series :
±2.5°C
(–30 to 100°C)
–11.04 mV/°C typ.
Ta =
−30°C
:
2.582 V typ.
Ta =
+30°C
:
1.940 V typ.
Ta =
+100°C
: 1.145 V typ.
±0.5%
typ. (–20 to 80°C)
V
DD
= 2.4 to 10.0 V (25°C)
4.0
µA
typ. (25°C)
•
•
•
•
•
•
•
Nonlinearity
Wide power supply voltage operation
Low current consumption
Built-in operational amplifier
Output voltage referred to V
SS
Small package
Lead-free products
WLP-4B
Applications
•
•
•
•
•
•
•
Compensation of high-frequency circuits such as cellular phones and radio equipment
Compensation of oscillation frequency in crystal oscillator
LCD contrast compensation
Compensation of amplifier gain
Compensation of auto focus circuits
Temperature detection in battery management
Overheating prevention for charged batteries or halogen lights
Package
Package Name
WLP-4B
Package
HB004-B
Drawing Code
Tape
HB004-B
Reel
HB004-B
Seiko Instruments Inc.
1
CMOS TEMPERATURE SENSOR IC
S-5815A/5816A Series
Block Diagram
VDD
Rev.1.1
_01
VOUT
Temperature sensor
VSS
Figure 1
2
Seiko Instruments Inc.
Rev.1.1
_01
Product Name Structure
CMOS TEMPERATURE SENSOR IC
S-5815A/5816A Series
•
The product types for the S-5815A/5816A Series can be selected at the user’s request. Please refer to “1.
Product
name”
for the construction of the product name and “2.
Product name list”
for the full product names.
1. Product name
S-581
x
A
- H4T1
Package name (abbreviation) and packing specifications
H4T1 : WLP-4B, Tape
Product type
5 : Temperature accuracy
±5.0°C
6 : Temperature accuracy
±2.5°C
*1.
Refer to the taping specifications at the end of this book.
*1
2. Product name list
Table 1
Product Name
S-5815A-H4T1
S-5816A-H4T1
Temperature Accuracy
±5.0°C
±2.5°C
Package
WLP-4B
WLP-4B
Seiko Instruments Inc.
3
CMOS TEMPERATURE SENSOR IC
S-5815A/5816A Series
Pin Configuration
WLP-4B
Top view
Rev.1.1
_01
Table 2
Pin No.
Pin Name
Pin Description
Power supply pin
GND pin
GND pin
Output voltage pin
4
1
S-5815A
3
2
1
VDD
VSS
*1
2
VSS
*1
3
4
VOUT
*1.
Connect both VSS pins to GND.
Figure 2
WLP-4B
Top view
4
1
S-5816A
3
2
Figure 3
WLP-4B
Bottom view
1
4
2
3
S-5815A/S-5816A
Figure 4
Absolute Maximum Ratings
Table 3
Item
Power supply pin voltage
Output voltage
Power dissipation
Operating ambient temperature
Storage temperature
V
DD
V
OUT
P
D
T
opr
T
stg
Symbol
(Ta = 25°C unless otherwise specified)
Absolute Maximum Rating
Unit
V
SS
– 0.3 to V
SS
+
12.0
V
SS
– 0.3 to V
DD
+
0.3
290
*1
–40 to
+100
–40 to
+125
V
V
mW
°C
°C
*1.
At mounted on printed circuit board
[Mounted board]
(1) Board size: 114.3 mm × 76.2 mm × t1.6 mm
(2) Board name: JEDEC STANDARD51-7
Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical
damage. These values must therefore not be exceeded under any conditions.
4
Seiko Instruments Inc.
Rev.1.1
_01
Electrical Characteristics
1. S-5815A Series
CMOS TEMPERATURE SENSOR IC
S-5815A/5816A Series
Item
Power supply voltage
Symbol
V
DD
Table 4
(Ta = 25°C, V
DD
= 5.0 V, I
OUT
= 0 A unless otherwise specified)
Test
Conditions
Min.
Typ.
Max.
Unit
Circuit
−
Ta =
−20
to 100°C
Ta =
−30
to 100°C
Ta =
−30°C
2.40
2.65
2.90
2.528
1.886
1.091
−
−40
−
−
−
−
−
−
2.582
1.940
1.145
±0.5
−
4.0
−
−
10.00
10.00
10.00
2.636
1.994
1.199
−
100
8.0
0.05
1.0
V
V
V
V
V
V
mV/°C
%
°C
µA
%/V
mV
1
1
1
1
1
1
−
−
−
1
2
2
Output voltage
Temperature sensitivity
Nonlinearity
Operating temperature range
Current consumption
Line regulation
Load regulation
*1
V
OUT
V
SE
∆N
L
T
opr
I
DD
∆V
OUT1
∆V
OUT2
Ta = 30°C
Ta = 100°C
Ta =
−30
to 100°C
Ta =
−20
to 80°C
−
−
V
DD
= 2.4 to 10.0 V
I
OUT
= 0 to 200
µA
−11.31 −11.04 −10.77
*1.
Do not flow current into the output voltage pin.
2. S-5816A Series
Table 5
(Ta = 25°C, V
DD
= 5.0 V, I
OUT
= 0 A unless otherwise specified)
Test
Conditions
Min.
Typ.
Max.
Unit
Circuit
−
Power supply voltage
V
DD
Ta =
−20
to 100°C
Ta =
−30
to 100°C
Ta =
−30°C
Output voltage
Temperature sensitivity
Nonlinearity
Operating temperature range
Current consumption
Line regulation
Load regulation
*1
Item
Symbol
2.40
2.65
2.90
2.555
1.913
1.118
−
−40
−
−
−
−
−
−
2.582
1.940
1.145
±0.5
−
4.0
−
−
10.00
10.00
10.00
2.609
1.967
1.172
−
100
8.0
0.05
1.0
V
V
V
V
V
V
mV/°C
%
°C
µA
%/V
mV
1
1
1
1
1
1
−
−
−
1
2
2
V
OUT
V
SE
∆N
L
T
opr
I
DD
∆V
OUT1
∆V
OUT2
Ta = 30°C
Ta = 100°C
Ta =
−30
to 100°C
Ta =
−20
to 80°C
−
−
V
DD
= 2.4 to 10.0 V
I
OUT
= 0 to 200
µA
−11.31 −11.04 −10.77
*1.
Do not flow current into the output voltage pin.
Seiko Instruments Inc.
5
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