Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Features General Description • Low standby current PT8A263 is a fully integrated mixed-signal CMOS • 2 stage op-amp for filtering LSI chip designed for the low cost applications of • On-chip oscillator PIR (passive Infrared) alarm control system. The • On-chip voltage regulator analog front-end is based on PTI’s proven PIR • 4 different operation modes selected by SEL1 & controller IC (PT8A261). The multipurpose alarm IC can be widely used in a variety of applications ranging SEL2 from household security, portable alarm to toys. • Low battery detector • Built-in noise rejection circuit PT8A263 is also equipped with op-amps for filtering, • LED output indicating warm-up period, low battery a comparator, timer, low battery detector, control and PIR trigger signal circuit, voltage regulator and oscillator. • 2 outputs to drive external devices such as speech ICs, high pitch piezo buzzer or door bell ICs Applications Ordering Information • Low cost security system sensor components • Motion sensor to drive low cost speech chip for Part Number Package PT8A263P 16 - Pin PDIP PT8A263W 16 - Pin SOP • Motion detect alarm with high pitch buzzer alert PT8A263DE Die Form • Door chime applications with external door bell alarm alert ICs Block Diagram OP2O OP2N _ OP2P + Comparator Noise rejection OP1P OP1N SEL1 SEL2 circuit Voltage divider OP1O Mode control circuit OUT1 + _ Control circuit Regulator OUT2 LED VEE GND Low Battery Detector OSC PT0084(03/03) VCC RST System oscillator 1 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pad Location 1470um Die No. SEL1 OUT2 OUT1 OSC LED GND VCC OP2O 1710um SEL2 VCC OP2N NC OP2P VEE RST OPIP OPIN OPIO Pad Coordinate Pad Name X Coordinate GND 570 LED 570 OSC 570 OUT1 570 OUT2 -378.8 SEL1 -30.1 SEL2 570 VCC -197.1 VCC 136.9 Note: Substrate is connected to GND PT0084(03/03) Y Coordinate Pad Name X Coordinate Y Coordinate 65.4 -101.6 399.4 232.4 689.2 -687.2 -435.6 -687.2 -687.2 NC V EE RST OP1P OP1N OP1O OP2P OP2N OP2O 570 -570 303.9 -44.8 -211.8 -570 -570 -570 -570 -268.6 232.4 -687.2 689.2 689.2 -435.6 -268.6 -101.6 65.4 2 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Pin Assignment Figure 2 PT8A263 GND LED OSC OUT1 OUT2 SEL1 SEL2 V CC 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 OP2O OP2N OP2P OP1O OP1N OP1P RST V EE Top view Pin Description Table 1 Pin Name 1 GND 2 LED O LED output: indicates PIR trigger signal. It is an active high signal with 125Hz pulse in normal mode. 3 OSC I Input of oscillator: external resistor or capacitor changeable, resistor pull up, capacitor pull down, 16kHz for normal application 4, 5 OUT1, OUT2 O Outputs to drive external devices 6, 7 SEL1, SEL2 I Operating mode selection 8 VCC Power 9 VEE O Internal voltage regulator output: 3.6V with respect to ground. Connected to the drain of PIR sensor 10 RST I Chip reset input: active low, kept floating or connected an RC network 11 OP1P I Non-inverted input of first operational amplifier: connected directly to source of PIR sensor 12 OP1N I Inverted input of first operational amplifier 13 OP1O O Output of first operational amplifier 14 OP2P I Non-inverted input of second operational amplifier, 1.8V internally, 2.2uF capacitor pull down. 15 OP2N I Inverted input of second operational amplifier 16 OP2O O Output of second operational amplifier PT0084(03/03) Type Description Ground Ground Power supply 3 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Functional Description Low Battery Detection The PIR sensor detects infrared power variations induced by the motion of a human body and converts it to voltage variations. This input voltage is fed into PT8A263 for signal processing. Bandpass filtering is first accomplished by a 2-stage op-amp, followed by the peak and valley voltages comparisons. If the input signal is larger than the specified peak voltage or smaller than the specified valley voltage for a certain period of time, this PIR trigger signal will be produced to the internal noise rejection circuit in which a valid trigger is qualified based on some criteria. The output signals will then be generated to drive external devices according to different mode of operations. Internal low Battery Detector indicates voltage value of VCC less than a contain value which is about 3.8V. A Low Battery alarm indication can be given at LED pin when the division voltage is less than VEE/2. At the same time the system will be halt. Most of the internal circuits are hung up except oscillator and LED indication circuit. RST RST is used to reset the chip. It is internal pull-high and active low. The use of CRST can extend the power-on initial time. If the RST pin is an open circuit (without CRST), the initial time is the default (40 seconds). VEE Power On Initial VEE supplies power to the analog front-end circuit with a stabilized voltage that is 3.6V with respect to GND normally. The PIR signal amplifier requires a warm up period after poweron. The input should be disabled during this period. OSC Operational Mode OSC is an I/O pin of internal oscillator. System frequency of 16KHz can be generated when connected to an external RC. The operation modes of PT8A263 is shown in the following table. Mode of Operation/2 SEL1 SEL2 Functions 1 1 Normal Alarm: OUT1 = low (active) for 5 seconds after the first trigger. OUT2 goes low for 5 seconds after the 2nd trigger. LED does not latch trigger status. OUT2 (low active) will not trigger if there is no PIR signal 12 seconds after the first trigger. 0 1 Normal Alarm with Delay: OUT1 goes low after first triggered, if the second trigger signal comes after 15 seconds, OUT2 keep high, if the second trigger signal comes after 12 seconds but less than 15 seconds, OUT2 will goes low for 5 seconds. LED is latched on until power down or reset the chip. 1 0 Siren Alarm: Complimentary drive high pitch piezo buzzer. Center frequency = 1kHz (options for 500Hz and 2kHz). 2 stages of alarm: First trigger: Output is 1/4 sec on, 4 sec off. If no 2nd trigger within 12 sec, all outputs are reset, no sound. 2nd trigger: Output is 1/4 sec on, 2 sec off for 30 sec. After 30 sec, output = 1 sec on, 1/2 sec off, continue for 5 minutes. After that, the chip enters stop mode. LED is latched on after 2nd trigger, until power down or chip reset. 0 0 Door Chime mode: Once trigger occurs, OUT1 is active (high) for 1 sec, OUT2 is active (high) for another 1 sec after OUT1 is asserted. LED has no latch function. PT0084(03/03) 4 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Timing Diagram PIR Signal Trigger and Output Signals for Door Chime Mode RST TRI_EN 40s warm-up time Comparator input <32ms Comparator output >32ms <2s >160ms (1) (2) >288ms (3) Valid trigger SEL2,SEL1 00 00 = Door Chime mode 00 00 OUT1 1s 1s OUT2 1s LED 125Hz pulse Notes: The PIR trigger signal is qualified to be a valid PIR trigger signal if it conforms to one of the following criteria : 1. More then 3 triggers (each > 32ms) detected within 2s, 2. Two triggers detected within 2s (1 trigger > 160ms and another > 32ms), 3. One trigger (> 288ms) detected. Output Signals for Normal Alarm Mode RST 40s warm-up time trig_en_b >12s >5s&<12s Valid trigger SEL2,SEL1 11 11 11 5s 11 = Normal Alarm mode 5s OUT1 5s OUT2 LED 125Hz pulse PT0084(03/03) 5 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Output Signals for Normal Alarm with Delay Mode RST 40s warm-up time 40s warm-up time trig_en_b >12s&<15s >15s Valid trigger SEL2,SEL1 01 01 01 01 = Normal Alarm with Delay Mode 5s 5s OUT1 5s OUT2 LED 125Hz pulse Output Signals for Siren Alarm Mode RST 40s warm-up time trig_en_b >4.25s&<12s Valid trigger SEL2,SEL1 10 10 10 10 = Siren Alarm Mode 1s 0.25s OUT2 2s 0.5s 30s 5min OUT1 LED 125Hz pulse PT0084(03/03) Output with 1KHz central frequency 6 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Low Battery Detection Operation Low Battery threthold voltage RST VCC system status system running system halts system halts 1s LED 125Hz pulse Maximum Ratings (Above which the useful life may be impaired. For user guidelines, not tested) Note: Stresses greater than those listed under MAXIMUM Storage Temperature ............................................................-40oC to +125oC RATINGS may cause permanent damage to the Supply Voltage to Ground Potential (Inputs & VCC Only) .... -0.5 to +6.0V device. This is a stress rating only and functional Supply Voltage to Ground Potential (Outputs & D/O Only) -0.5 to +6.0V operation of the device at these or any other condiDC Input Voltage ....................................................................... -0.5 to +6.0V tions above those indicated in the operational secDC Output Current .................................................................................20mA tions of this specification is not implied. Exposure Power Dissipation .............................................................................. 500mW to absolute maximum rating conditions for extended periods may affect reliability. Recommended Operation Conditions Sym Description Min Typ Max Units VCC Supply Voltage 4.75 5.0 6.0 V VIH Input HIGH Voltage 0.8VCC - - V VIL Input LOW Voltage - - 0.2VCC V fSYS System Oscillator Frequency 12.8 16 19.2 kHz TA Operation Temperature -25 - 70 PT0084(03/03) 7 O C Ver:4 Data Sheet PT8A263 PIR Alarm Controller |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| DC Electrical Characteristics Sym Description Test Conditions Input high level current SEL1 and SEL2 IIH VIH = 4.5V Input high level current - RST Input high level current - OSC Input low level current SEL1, SEL2, OSC IIL Min Typ Max Units -1 - 1 µΑ -1 - -10 µΑ 400 - 550 µΑ -1 - 1 µΑ -10 - -20 µΑ VIL = 0.5V Input low level current - OSC IOH Output Source Current (OUT1, OUT2) VOH = 4.5V -6 -12 - mA IOL Output Sink Current (OUT1, OUT2) VOL = 0.5V 15 55 - mA VTH OSCS Transfer High Voltage - 2.0 2.3 2.8 V VTL OSCS Transfer Low Voltage - 1.0 1.2 1.6 V Note: These specifications apply for VCC = 5.0V and -25OC ≤ TA ≤ 70 OC, unless otherwise specified. AC Electrical Characteristics Voltage Regulator Sym Description Test Conditions Min Typ Max Units VEE Output Voltage No load 3.4 3.6 3.8 V OP2P Noninverting input of OP2 No load 1.6 1.8 2.0 V ∆VΟ Line Regulation 4.5V ≤ VCC ≤ 5.5V, IL = 1mA Cfilter= 4.7uF (between VEE pin and GND pin) - 1.0 50 mV ∆V LDR Load Regulation VCC = 5V, 0.5mA ≤ I L ≤ 2mA Cfilter= 4.7uF (between VEE pin and GND pin) - 10 100 mV IL Maximum Current VCC = 5V -4 - - mA PT0084(03/03) 8 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Operational Amplifier and Window Comparator Sym Description Test Conditions Min Typ Max Units UGBW Unit Gain Bandwidth - 10 - - kHz VCC = 5V 1.9 2.05 2.2 V VCC = 5V 1.4 1.55 1.7 V VTH Windows Comparator Threshold VTL Oscillator Sym Description Test Conditions Min Typ Max Units fOSCS Oscillator Frequency VCC = 5V, RS = 560kΩ, CS = 200P 12.8 16 19.2 kHz TOSCS Oscillator period - 52 62.5 78 µs Description Test Conditions Min Typ Max Units I CC Power Supply Current V CC = 5V, f OSCS = 16kHz, RS = 560K, CS = 200P, Input Pins = GND, all output pins float. - 80 100 µA ICCQ Quiescent Power Supply Current Vcc = 5V, All Input Pins = GND, all output float. - 70 - µA Power Dissipation Sym Low Battery Detector Sym Description Test Conditions Min Typ Max Units VLBTH Low Battery Detector Threshold Voltage V CC = 5V 3.50 3.80 4.01 V PT0084(03/03) 9 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Application Circuit Siren Alarm Mode R1 1M VCC D1 C5 1 R5 560K R7 2 1K C4 200P 3 GND OP2O LED OP2N OSC OP2P 4 BZ1 BUZZER VCC R8 10k BAT1 6V C2 203 15 C9 10UF/16V 14 OUT1 OP1O 13 5 OUT2 OP1N 12 6 SEL1 OP1P 11 7 SEL2 RST 10 8 VCC 16 VCC C7 100UF/16V R4 22K C3 203 R2 1M VCC 9 VEE 22UF/16V 56K R6 PT8A263 C8 100UF/16V D S G R3 22K C6 C1 203 22UF/16V SD6222 Door Chime Mode R1 1M VCC C5 D1 R7 R5 560K 1K C4 200P 1 2 3 OUT1 4 T oexternal OUT 2 door bellIC 5 6 7 VCC BAT1 6V 8 C7 100UF/16V GND OP2O LED OP2N OSC OP2P OUT1 OP1O OUT2 OP1N 16 15 14 R4 22K C3 203 12 SEL1 OP1P SEL2 RST 10 VEE 22UF/16V C9 10UF/16V 13 11 VCC C2 203 9 V CC R2 1M R3 22K R6 56K PT8A263 C8 100UF/16V D S G C1 203 C6 22UF/16V SD6222 PT0084(03/03) 10 Ver:4 Data Sheet PT8A263 PIR Alarm Controller ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||| Notes Pericom Technology Inc. Email: [email protected] Web Site: www.pti.com.cn, www.pti-ic.com China: No. 20 Building, 3/F, 481 Guiping Road, Shanghai, 200233, China Tel: (86)-21-6485 0576 Fax: (86)-21-6485 2181 Asia Pacific: Unit 1517, 15/F, Chevalier Commercial Centre, 8 Wang Hoi Rd, Kowloon Bay, Hongkong Tel: (852)-2243 3660 Fax: (852)- 2243 3667 U.S.A.: 2380 Bering Drive, San Jose, California 95131, USA Tel: (1)-408-435 0800 Fax: (1)-408-435 1100 Pericom Technology Incorporation reserves the right to make changes to its products or specifications at any time, without notice, in order to improve design or performance and to supply the best possible product. Pericom Technology does not assume any responsibility for use of any circuitry described other than the circuitry embodied in Pericom Technology product. The company makes no representations that circuitry described herein is free from patent infringement or other rights, of Pericom Technology Incorporation. PT0084(03/03) 11 Ver:4