ATS20 datasheet(6/10 Pages) ETC2

Part #	ATS20

Description	LOW-VOLTAGE ULTRA-LOW-POWER TEMPERATURE SENSOR

PDF	10 Pages

Scroll/Zoom	100%

Manufacturer	ETC2 [List of Unclassifed Manufacturers]

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www.andigilog.com

70A03201-004

aTS20

Typical Applications (cont’d)

Figure 6. Thermostat/Fan Controller

Analog

Digital

Converter

aTS20

0.1µF

Bypass

Cap

GND

OUT

FILTER

Microcontroller

Analog

Digital

Converter

aTS20

0.1µF

Bypass

Cap

GND

OUT

FILTER

Microcontroller

Figure 7. Digital Temperature output through a microcontroller

Shunt Voltage

Reference

RVD1

VREF

RHYST

VOUT

VCONTROL

–

RVD2

V+

RV+

V+

0.1

μF

VTRIP

aTS20

VOUT

VHYST1

VHYST2

VCONTROL

Note: VREF is set by the Shunt Voltage Reference. For VCONTROL high is an alarm state or control for activating cooling/fan.

(VREF ) • (RVD2 )

RVD1 +

(RVD2) • (RHYST )

RHYST + RVD2

VHYST2 =

(VREF) • (RVD2 )

RVD2 + (RVD1 ) • (RHYST )

RHYST + RVD1

VHYST1 =

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