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NCS36000

www.onsemi.com

3

OPERATING RANGES 

(Note 6)

Rating

Symbol

Min

Typ

Max

Unit

Analog Power Supply

V

DD

3.0

5.0

5.75

V

Analog Ground Reference

V

SS

0.0

0.1

V

Supply Current (Standby, No Loads)

I

DD

170

m

A

Digital Inputs (MODE)

V

ih

0.7 *

V

DD

V

DD

V

DD

 +

0.3

V

V

il

VSS

V

DD

 *

0.28

Digital Output (OUT, LED)

Push−Pull Output (10 mA Load)

V

oh

0.67 *

V

DD

V

DD

V

V

ol

VSS

V

DD

 *

0.3

OP1_P (Sensor Input) (Note 7)

AMP 1 IN

0.1

V

DD

 −

1.1

V

Ambient Temperature

T

A

−40

85

°

C

6. Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area.
7. Guaranteed By Design (Non−tested parameter).

ELECTRICAL CHARACTERISTICS

 V

in

 = 1 V, C

in

 = 100 nF, C

out

 = 100 nF, for typical values T

A

 = 25

°

C; unless otherwise noted.

Parameter

Test Conditions

Symbol

Min

Typ

Max

Unit

LDO Voltage Reference

Output Voltage

V

DD

 = 3.0 V to 5.75 V

VREF

2.6

2.7

2.8

V

Supply Current

V

DD

 = 3.0 V to 5.75V

IREF

20

50

m

A

Comparator High Trip Level

V

h

2.413

2.5

2.588

V

Comparator Low Trip Level

V

l

1.641

1.7

1.760

V

Reference voltage for non−inverting input of
second amplifier

V

m

2.007

2.1

2.174

V

System Oscillator

Oscillator Frequency

V

DD

 = 5.0 V

R

3

 = 220 k

W

C

2

 = 100 nF

OSC

62.5

Hz

Window Comparator

Lower Trip Threshold

See Vl above

Higher Trip Threshold

See Vh above

Differential Amplifiers (Amplifier Circuit)

DC Gain

V

DD

 = 5.0 V (Note 8)

Av

80

dB

Common−mode Input Range

V

DD

 = 5.0 V (Note 8)

CMIR

0.1

V

DD

 −

1.1

V

Power Supply Rejection Ratio

V

DD

 = 5.0 V (Note 8)

PSRR

60

dB

Output Drive Current

V

DD

 = 5.0 V (Note 8)

I

out1

25

m

A

POR

POR Release Voltage

V

POR

1.35

2.85

V

8. Guaranteed By Design (Non−tested parameter).

Summary of Contents for NCS36000

Page 1: ...ve Sensor Internal Oscillator with External RC Single or Dual Pulse Detection Direct Drive of LED and OUT This is a Pb Free Device Typical Applications Automatic Lighting Residential and Commercial Automation of Doors Motion Triggered Events Animal photography 6 VREF LDO Voltage References Amplifier Circuit Window Comparator System Oscillator Digital Control Circuit 5 OP1_P 4 OP1_N 3 OP1_O 2 OP2_N...

Page 2: ...3 TSLD 260 C Stresses exceeding those listed in the Maximum Ratings table may damage the device If any of these limits are exceeded device functionality should not be assumed damage may occur and reliability may be affected 1 Refer to ELECTRICAL CHARACTERISTICS and APPLICATION INFORMATION for Safe Operating Area 2 This device series incorporates ESD protection and is tested by the following method...

Page 3: ...erwise noted Parameter Test Conditions Symbol Min Typ Max Unit LDO Voltage Reference Output Voltage VDD 3 0 V to 5 75 V VREF 2 6 2 7 2 8 V Supply Current VDD 3 0 V to 5 75V IREF 20 50 mA Comparator High Trip Level Vh 2 413 2 5 2 588 V Comparator Low Trip Level Vl 1 641 1 7 1 760 V Reference voltage for non inverting input of second amplifier Vm 2 007 2 1 2 174 V System Oscillator Oscillator Freque...

Page 4: ...stability of the regulator Differential Amplifiers The two differential amplifiers can be configured as a bandpass filter to condition the PIR sensor signal for the post digital signal processing The cutoff frequencies and passband gain are set by the external components See Figure 5 10 1 10 0 10 1 20 30 40 50 60 70 80 Figure 3 Plot Showing Typical Magnitude Response of Differential Amplifiers Whe...

Page 5: ...t should be noted that down sampling can occur if sufficient anti aliasing is not performed at the input of the circuit OPI_P or if noise is injected into the amplifiers an example would be a noisy power supply The third function of the digital signal processing block is to recognize different pulse signatures coming from the window comparator block The device is equipped with two pulse recognitio...

Page 6: ...ect R3 10 kW C3 33 mF D1 LED R4 560 kW C4 10 nF R5 43 kW C5 100 nF R6 1 kW C6 100 nF R7 220 kW C7 100 nF 9 R1 C1 R2 C2 R3 C3 R4 C4 setup bandpass filter characteristics With components as shown above the passband gain is approximately 70 dB with the 3 dB cutoff frequency of the filter at approximately 700 mHz and 20 Hz 10 R4 can be replaced by a potentiometer to adjust sensitivity of system Note d...

Page 7: ...e Shipping NCS36000DG SOIC 14 Pb Free 55 Units Rail NCS36000DRG SOIC 14 Pb Free 3000 Tape Reel For information on tape and reel specifications including part orientation and tape sizes please refer to our Tape and Reel Packaging Specifications Brochure BRD8011 D ...

Page 8: ...idental damages Typical parameters which may be provided in SCILLC data sheets and or specifications can and do vary in different applications and actual performance may vary over time All operating parameters including Typicals must be validated for each customer application by customer s technical experts SCILLC does not convey any license under its patent rights nor the rights of others SCILLC ...

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