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S-5855AACA-I4T1U Datasheet, PDF (1/27 Pages) Seiko Instruments Inc – PWM OUTPUT TEMPERATURE SENSOR IC | |||
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S-5855A Series
www.sii-ic.com
© SII Semiconductor Corporation, 2010-2013
PWM OUTPUT TEMPERATURE SENSOR IC
Rev.1.2_01
The S-5855A Series, developed by CMOS technology, is a 1-wire PWM output temperature sensor IC of low current
consumption that itself changes the duty ratio according to temperature.
The duty ratio decreases from 100% if exceeding the temperature set by user, and this decrease is linear against the
temperature rise.
The output form is selectable from CMOS output and Nch open-drain output.
Its small packages SNT-4A and SOT-23-5 enable high-density mounting.
ï® Features
⢠PWM output
⢠Temperature accuracy
⢠Duty ratio change-start temperature
⢠Duty ratio temperature sensitivity
⢠Low current consumption
⢠Low power supply voltage
⢠Wide range of operation temperature
⢠Lead-free (Sn 100%), halogen-free
: 1-wire PWM interface
: ±3.0°C
: Selectable from +40°C to +80°C in 10°C step
: Selectable from â1 %/°C to â4 %/°C in 1 %/°C step
: 50 μA typ. (Ta = +25°C)
: 1.65 V to 5.5 V
: Ta = â40°C to +125°C
ï® Application
⢠Temperature compensation for LED instruments
ï® Packages
⢠SNT-4A
⢠SOT-23-5
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