MIM-0KM3ASF INFRARED RECEIVER MODULE Description The MIM-0KM3ASF SERIES is miniaturized infrared receivers for remote control and other appplications requiring improved ambient light rejection. The separate PIN diode and preamplifier IC are assembled on a single leadframe. The epoxy package contains a special IR filter. This module has excellent performance even in disturbed ambient light applications and provides protection against uncontrolled output pulses. Features Photo detector and preamplifier in one package Internal filter for PCM frequency High immunity against ambient light Improved shielding against electric field disturbance 2.4-Volt supply voltage; low power consumption 受光面㆗心 TTL and CMOS compatibility MIM-0KM3xSF Series Models MIM-0KM3ASF 37.9KHz MIM-0KM3BSF 32.7KHz MIM-0KM3CSF 40.0KHz MIM-0KM3DSF 36.7KHz MIM-0KM3FSF 56.7KHz UNIT : mm BLOCK DIAGRAM VS TRAP ABLC BPF TRIMMING Output fo GND Unity Opto Technology Co., Ltd. 02/06/2001 MIM-0KM3ASF Absolute Maximum Ratings Item @ Ta=25℃ Symbol Ratings Unit Supply voltage VCC 5.8 V Operating temperature Topr -10 ~ + 60 ℃ Storage temperature Tstg -20 ~ + 75 ℃ Soldering temperature Tsd 260 ℃ Remark Maximum 5 seconds Electro-optical characteristics (Vcc=2.4V) Parameter Symbol (Ta=25°C , Vcc=2.4V) Min. Typ. Max. Unit 5.0 mA Current consumption Icc Response wavelength λp 940 nm f0 37.9 , 32.7 , 40.0 , 36.7 , 56.7 KHZ Tuning frequency Remarks Under no signal - - - - - active low output - - - - - Output form H level output voltage V0h L level output voltage V0l H level output pulse width Twh L level output pulse width Distance between emitter & detector 2.2 V 0.5 V 400 800 μs Twl 400 800 μs L 10.0 m △Θ Half angle ±45 deg Note 1 Horizonal direction Test Method A. Standard Transmitter 25cm PD3516 ON/OFF pulse width satisfied from 25 cm to detection limit 600µs carrier frequency f0 duty 50% 600µs 10kΩ Transmitter Duty 50% +2.4V 10kΩ 10µF 600µs Vout GND Oscilloscope Fig 1. Burst Wave Fig 2. Standard Transmitter Measurement circuit B. Detection Length Test Transmitter output θ Vout θ D.U.T L θ: indicates horizontal and vertical directions Unity Opto Technology Co., Ltd. 02/06/2001 MIM-0KM3ASF C . Pulse Width Test Transmitter output 600µs 600µs DUT output pulse Twl Twh V0h V0l Application Circuit Vcc **) 2 MIM-0KM3ASF 102P C Decoder 1 MIE-544A2 3 GND *) only necessary to supress power supply disturbances. **) tolerated supply voltage range : 2.4V < Vcc < 5.8V CHARACTERISTIC CURVES (TA=25℃ ℃) 900 Output Pulse Width tPW(µs) Supply Current Icc (mA) 2.8 2.7 2.6 2.4 2.2 800 Burst length * 600µs, cycle = 1.2ms tpw: Average value of output from start of signal input to 60th pulse 700 600 500 2.0 Input Level VIN (mVP-P) 400 2 3 6 4 5 Supply Voltage Vcc (V) 7 0.1 8 SUPPLY VOLTAGE vs. SUPPLY CURRENT 1 10 100 1000 Input Level (mVp-p) INPUT LEVEL vs.OUTPUT PULSE WIDTH NOTE 1. Distance between emitter & detector specifies maximum distance that output wave form satisfies the standard under the conditions below against the standerd transmitter. (1)Measuring place ………Indoor without extreme reflection of light. (2)Ambient light source… Detecting surface illumination shall be 200±50Lux under ordinary hite fluorescense lamp of no high frequency lighting. (3)Standard transmitter … Burst wave indicated in Fig 1. of standard transmitter shall be arranged to 50mVp-p under the measuring circuit specified in Fig 2. Unity Opto Technology Co., Ltd. 02/06/2001 MIM-0KM3ASF Reliability Test item Test condition Standard High temparature Ta=+60℃ Vcc=5.0 V t=240H Note 2. High temp. & high humi. Ta=+40℃ 90%RH Vcc=5.0V t=240H Note 2. t=240H Note 2. Low temparature Ta= -10℃ Vcc=5.0V Heat cycle -20℃(0.5H) ~ +75℃(0.5H) 20cycle Note 2. Dropping Test devices shall be dropped 3 times naturally Note 3. onto hard wooden board from a 75cm height position. NOTE 2. (electro-optical charactistics) shall be satisfied sfter leaving 2 hours in the normal temperature . NOTE 3. (electro-optical charactistics) shall be satisfied and no conoid deforms and destructions of appearance .(excepting deforms of terminals) Inspection standard 1.Among electrical characteristics , total number shall be inspected on items blow. 1-1 front distance between emitter & detector 1-2 Current consumption 1-3 H level output voltage 1-4 L level output voltage 2.Items except above mentioned are not inspected particularly , but shall fully satisfy CAUTION ( When use and storage of this device ) 1.Store and use where there is no force causing transformation or change in quality . 2.Store and use where there is no corrosive gas or sea(salt) breeze . 3.Store and use where there is no extreme humidity . 4.Solder the lead-pin within the condition of ratings. After soldering do not add extra force . 5.Do not wash this device . Wipe the stains of diode side with a soft cloth. You can use the solvent , ethylalcohol or methylalcohol or isupropylene only . 6.To prevent static electricity damage to the Pre-AMP make sure that the human body , the soldering iron is connected to ground before using . 7.Put decoupling device between Vcc and GND for reduse the noise from power supply line . 8.The performance of remote-control system depends on environments condition and ability of periferal parts. Customer should evaluate the performance as total system in those conditions after system up with components such as commander , micon and this receiver module . Guarantee period and scope 1.Guarantee period One year after delivery to desired place . 2.Guarantee scope A re-delivery of goods will be carried out if the cause of malfunction lies in our device .However no responsibilities be taken for the inconveniences caused by the malfunction of our devices . Others 1.This device is not design to endure radiative rays and heavily charged particles . 2.In case where any trouble or questions arise,both parties agress to make full discussion covering the said problem . Unity Opto Technology Co., Ltd. 02/06/2001