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S-5813A/5814A Series
www.sii-ic.com
© Seiko Instruments Inc., 2006-2015
CMOS TEMPERATURE SENSOR IC
Rev.4.1_00
The S-5813A/5814A 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.
The operating ambient temperature is 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
Nonlinearity
Wide power supply voltage operation
Low current consumption
Built-in operational amplifier
Output voltage referred to VSS
Lead-free (Sn 100%), halogen-free
S-5813A Series : ±5.0°C (–30°C to +100°C)
S-5814A Series : ±2.5°C (–30°C 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°C to +80°C)
VDD = 2.4 V to 10.0 V (+25°C)
4.0 μA typ. (+25°C)
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
SNT-4A
Seiko Instruments Inc.
1

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CMOS TEMPERATURE SENSOR IC
S-5813A/5814A Series
Block Diagram
VDD
VSS
Temperature sensor
Figure 1
Rev.4.1_00
VOUT
2 Seiko Instruments Inc.

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Rev.4.1_00
CMOS TEMPERATURE SENSOR IC
S-5813A/5814A Series
Product Name Structure
Users can select the product type for the S-5813A/5814A Series. Refer to “1. Product name” regarding the contents of
product name, “2. Package” regarding the package drawings, “3. Product name list” regarding details of the product
name.
1. Product name
S-581 x A - I4T1 U
Environmental code
U : Lead-free (Sn 100%), halogen-free
Package name (abbreviation) and packing specifications*1
I4T1 : SNT-4A, Tape
*1. Refer to the tape drawing.
Product type
3 : Temperature accuracy ±5.0°C
4 : Temperature accuracy ±2.5°C
2. Package
Package Name
SNT-4A
3. Product name list
Package
PF004-A-P-SD
Product Name
S-5813A-I4T1U
S-5814A-I4T1U
Drawing Code
Tape
Reel
PF004-A-C-SD
PF004-A-R-SD
Table 1
Temperature Accuracy
±5.0°C
±2.5°C
Land
PF004-A-L-SD
Seiko Instruments Inc.
3