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S-5852A Series
www.sii-ic.com
© Seiko Instruments Inc., 2015
HIGH-ACCURACY DIGITAL TEMPERATURE SENSOR
WITH THERMOSTAT FUNCTION
Rev.1.0_00
The S-5852A Series is a high-accuracy digital temperature sensor with thermostat function, which operates in 1.7 V to 3.6 V
voltage ranges. The S-5852A Series interfaces with exteriors via I2C-bus and operates at 1.0 MHz maximum. The
temperature detection signal is output by using the thermostat function which can be set by the I2C-bus. Moreover, a
substantial reduction in current consumption may be achieved by using the shutdown mode which can be set by the I2C-bus.
The operation of the S-5852A Series is explained in the user's manual. Contact our sales office for more information.
Caution This product is intended to use in general electronic devices such as consumer electronics, office
equipment, and communications devices. Before using the product in medical equipment or automobile
equipment including car audio, keyless entry and engine control unit, contact to SII is indispensable.
Features
Temperature accuracy*1:
±0.5°C typ. / ±1.0°C max. (Ta = 0°C to +65°C)
±0.5°C typ. / ±1.0°C max. (Ta = +75°C to +95°C)
Temperature resolution:
0.5°C, 0.25°C, 0.125°C, 0.0625°C
(Selectable by the resolution register)
Temperature sample rate:
7 samples / s min.
Selectable hysteresis width: No hysteresis, 1.5°C, 3.0°C, 6.0°C
Current consumption:
Shutdown mode at serial bus non-active: 0.3 μA typ., 3.0 μA max.
Active mode at serial bus non-active:
40 μA typ., 100 μA max.
Operation voltage range:
1.7 V to 3.6 V
Operation frequency:
Thermostat function:
1.0 MHz max. (VDD = 2.2 V to 3.6 V)
400 kHz max. (VDD = 1.7 V to 2.2 V)
Dual trip mode, single trip mode, OFF
(Selectable by the configuration register)
Noise suppression:
Schmitt trigger and noise filter on input pins (SCL, SDA)
Operation temperature range: Ta = 40°C to +125°C
Lead-free (Sn 100%), halogen-free
*1. The option can be selected.
Applications
Solid state drive
Hard disk drive
Notebook PC, tablet PC
Refrigerator
Air conditioning system
Package
HSNT-8(2030)
Seiko Instruments Inc.
1

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HIGH-ACCURACY DIGITAL TEMPERATURE SENSOR WITH THERMOSTAT FUNCTION
S-5852A Series
Rev.1.0_00
Block Diagram
A0
A1
A2
SCL
SDA
Serial interface
circuit
Pointer register
Power-on reset
VDD
VSS
Temperature
sensor
 A/D
converter
Temperature sensor register
Capabilities register
Configuration register
Dual trip HIGH limit register
Dual trip LOW limit register
Single trip HIGH limit register
Ambient temperature register
Resolution register
Thermostat
circuit
TMS
Figure 1
2 Seiko Instruments Inc.

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HIGH-ACCURACY DIGITAL TEMPERATURE SENSOR WITH THERMOSTAT FUNCTION
Rev.1.0_00
S-5852A Series
Product Name Structure
1. Product name
S-5852A B C x C - A8T1 U 4
Environmental code
U: Lead-free (Sn 100%), halogen-free
Package abbreviation and IC packing specifications*1
A8T1: HSNT-8(2030), Tape
Operation temperature range
C: Ta = 40°C to +125°C
High-accuracy temperature range
A: Ta = +75°C to +95°C
B: Ta = 0°C to +65°C
Temperature accuaracy
C: ±0.5°C typ. / ±1.0°C max.
Operation voltage
B: VDD = 1.7 V min.
*1. Refer to the tape drawing.
2. Package
Package Name
HSNT-8(2030)
Table 1 Package Drawing Codes
Dimension
PP008-A-P-SD
Tape
PP008-A-C-SD
Reel
PP008-A-R-SD
Land
PP008-A-L-SD
3. Product name list
Table 2
Product Name
Operation Voltage Temperature Accuracy
S-5852ABCBC-A8T1U4
1.7 V min.
±0.5°C typ. / ±1.0°C max.
Remark Please contact our sales office for S-5852ABCAC-A8T1U4.
High-accuracy
Temperature Range
0°C to +65°C
Operation Temperature
40°C to +125°C
Seiko Instruments Inc.
3