HT7M2136 datasheet(4/25 Pages) HOLTEK

4 / 25 page

Rev. 1.20

June 17, 2016

HT7M2126/27/36/56/76

Light Sensing

Ifthereisanexternalcomponentsuchasaphototransistor,microsolarcellorCDSdeviceconnectedtotheFTS

pin,thePIRmoduleoutputfunctionwillbeenabledwhenthevoltageontheFTSpinisgreaterthan0.24×VDD.

Otherwise, the PIR module output function will be enabled in default.

Apull-highresistorwithavalueof680kΩisinternallyconnectedtotheFTSpininthePIRmodule.Ifthevoltage

ontheFTSpinisgreaterthan0.24×VDD as the internal pull�high resistor and external component are all taken into

account, the PIR module output function will be enabled. The voltage threshold to enable the PIR module output

functionisfixedas0.24×VDD in the Stand�alone mode. If the device is in the Network mode, the voltage threshold

canbeadjustedbyconfiguringtheLUMI[6:0]fieldintheHT7M21xxdeviceusingtheI2C interface.

Detection Range

WithregardtotheHT7M2126,thehorizontalviewangleis121°,thePitchAngleis77°andthedetectiondistance

has about 3.5~6 meters of visual range, as shown below.

Horizontal

TOP VIEW

Vertical

SIDE VIEW

HT7M21xx: Lenses FOV (Field of View)

In addition to the HT7M2126, the HT7M21xx series include the HT7M2136, the HT7M2156 and the HT7M2176,

etc.Differentmoduleswillsupportdifferentdetectiondistances(farorclose)aswellasdifferenthorizontaland

vertical viewing angles (narrow or wide).

Part Number

Viewing Angle H/V

Center Distance

Lens Color

HT7M2126

121° 77°

3.5 ~ 6 meters

Nature

HT7M2127

121° 77°

2.8 ~ 5 meters

Black

HT7M2136

91° 10°

5.5 ~ 8 meters

Nature

HT7M2156

10° 20°

8 ~ 12 meters

Nature

HT7M2176

86° 75°

5 ~ 7.5 meters

Nature

Absolute Maximum Ratings

Supply Voltage ..........................................................................................................................VSS�0.3V to VSS+6.0V

Input Voltage............................................................................................................................VSS�0.3V to VDD+0.3V

Storage Temperature ..............................................................................................................................-40˚C to80˚C

Operating Temperature ..........................................................................................................................-10˚Cto60˚C

IOL Total............................................................................................................................................................ 150mA

IOH Total........................................................................................................................................................... �100mA

Total Power Dissipation.................................................................................................................................. 500mW

Note:Thesearestressratingsonly.Stressesexceedingtherangespecifiedunder“AbsoluteMaximumRatings”

maycausesubstantialdamagetothesedevices.Functionaloperationofthesedevicesatotherconditions

beyondthoselistedinthespecificationisnotimpliedandprolongedexposuretoextremeconditionsmay

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