approval sheet date: 11/29/2007 no.60f10004 rev. cosmo electronics corporation photolink : KPLT2500M40 sheet 1 of 4 1 fiber optic transmitting module for digital audio equipment features ttl interface. led is driven by differential circuit. a self-tapping hole for easy attach ment to audio equipment panels. applications audio equipment. dvd player. automobile. outline dimensions (unit:mm) ? 1. o??M? : 0.2mm note1. general dimensions tolerance: 0.2mm ? 2. o???? : 3 note2. general angle tolerance: 3 ? 3. o? corner r: max 0.4mm note3. general corner: max 0.4mm pin connection 1. vin 2. vcc 3. gnd
approval sheet date: 11/29/2007 no.60f10004 rev. cosmo electronics corporation photolink : KPLT2500M40 sheet 2 of 4 1 1. maximum ratings ta=25 parameter symbol rating unit storage temperature t stg -40~+85 operating temperature t opr -30~+80 power dissipation p max 120 mw supply voltage vcc -0.5~7 v input voltage v in -0.5~vcc+0.5 v soldering temperature t sol 260 note 1 note 1 soldering time Q 10 seconds at a distance of 1 mm from the package . 2. recommended operating conditions parameter symbol min typ. max unit supply voltage v cc 2.70 5.0 5.5 v high-level input voltage v ih 2.0 - vcc v low-level input voltage v il 0 - 0.8 v 3. electrical and optical characteristics ta=25 v cc =5v parameter symbol condition min typ. max unit data rate nrz signal note 2 dc - 25 mb/s fiber output power note 3 pf -21 - -15 dbm peak emission wavelength p 630 - 690 nm current consumption icc - 5 8 ma high level input voltage v ih 2.0 - - v low level input voltage v il - - 0.8 v low->high propagation delay time t plh 100 ns high -> low propagation delay time t phl 100 ns pulse width distortion tw 12.5mbps nrz signal -12 - 12 ns jitter time tj 10 ns note 2 led is on when input signal is high, and off when it is low. the duty factor must be maintained between 25 to 75%. note 3 measure with a standard optical fiber, peak value.
approval sheet date: 11/29/2007 no.60f10004 rev. cosmo electronics corporation photolink : KPLT2500M40 sheet 3 of 4 1 4. measuring method (1).measuring method of optica l output coupling fiber to be measured vin gnd vcc photolink unit standard optical fiber cable optical power meter must be calibrated to have the wavelength sensitivity of 650nm | 0 dbm=1mw | optical power meter (2).measuring method of power dissipa tion current and input voltage vin vcc gnd icc vin vcc standard optical fiber cable optical power meter must be calibrated to have the wavelength sensitivity of 650nm | 0 dbm=1mw | optical power meter photolink unit to be measured (3).measuring method of pulse response 12.5mbps nrz"1010" successive pattern oscilloscope input signal input output signal vin gnd vcc vcc photolink unit to be measured standard optical fiber cable ch2 ch1 standard receiver 50% 50% phl plh output signal (ch2) input signal (ch1) output signal (ch2) input signal (ch1) voh vol tf tr 50% 90% 50% 10% t t tw= t - t phl plh
approval sheet date: 11/29/2007 no. 60f10004 rev. cosmo electronics corporation photolink : KPLT2500M40 sheet 4 of 4 1 (4).measuring method of jitter vin vcc gnd vcc input 0 0 1 1 standard optical fiber cable ch2 ch1 oscilloscope output signal standard receiver photolink unit to be measured tj tj input signal (ch1) output signal (ch2) 50% 50% 5.recommended pcb layout notes: 1.unit:mm 2.tolerance: 0.3mm 2.0 2.0
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