micropac industries, inc. optoelectronic products division ? ?? ? 725 e.walnut str., garland, tx 75040 ? ?? ? (972)272-3571 ? ?? ? fax (972)487-6918 www.micropac.com e-mail: optosales @ micropac.com 66125 dual channel, hermetically sealed 20 pin lcc very high speed, similar to 4n55 mii optoelectronic products division features: ? dscc drawing 87679032x ? 1500 vdc isolation test voltage ? ttl and cmos compatible ? 2mhz bandwidth typical ? high radiation immunity ? hermetic package applications: ? military and space ? high reliability systems ? voltage level shifting ? isolated receiver input ? communication systems ? medical systems description the 66125 optocoupler contains two completely isolated optocouplers in a hermetically sealed 20 pin lcc package. each channel provides high switching speeds while providing high isolation (1500vmin) over the full military temperature range (-55 to +125c). the 66125 is available in standard and screened versions or tested to customer specifications.mil-prf- 38534. absolute maximum ratings storage temperature ............................................................................................................ ............................... -65c to +150c operating free-air temperature range........................................................................................... ................... -55c to +125c lead solder temperature ........................................................................................ 260c for 10s (1 .6mm below seating plane) peak forward input current .................................................................................................... .....................40ma (1ms duration) average forward input current ................................................................................................. .......................................... 20ma input power dissipation ...................................................................................................................................................... 40mw reverse input voltage (each channel) ...................................................................................................................................... 5v supply voltage - v cc (each channel)................................................................................................................ ..........-0.5v to 20v output current - i o (each channel)....................................................................................................................................... 20ma output power dissipation (each channel)..(derate linearly at a rate of 1.4mw/c above 100 c) ................................... 50mw output voltage - v o (each channel)................................................................................................................ ...........-0.5v to 20v base current (each channel) .................................................................................................................................................. 5ma package dimensions schematic diagram a k a k vcc1 v01 gnd1 vb1 vcc2 gnd2 vb2 3 2 19 20 10 8 7 15 13 12 14 0 v02 pin 1 identifier r0.008 [r0.20] pin 16 66125 xxxxx pin 1 0.300 [7.62] 0.006 all dimensions are in inches [millimeters] 0.090 [2.29] 0.009 0.075 [1.91] 0.007 typ 0.050 [1.27] 0.050 [1.27] typ 0.350 [8.89] 0.008 pin 1
micropac industries, inc. optoelectronic products division ? ?? ? 725 e.walnut str., garland, tx 75040 ? ?? ? (972)272-3571 ? ?? ? fax (972)487-6918 www.micropac.com e-mail: optosales @ micropac.com 66125 4n55 dual channel, hermetically sealed optocoupler electrical characteristics t a = -55 c to 125 c unless otherwise specified. parameter symbol min typ max units test conditions note current transfer ratio ctr 9 20 % i f = 16ma, v o = 0.4v , v cc = 4.5v 1, 2 output leakage current i oh1 70 250 ai f = 250 a, v cc = v o = 18v i f (other channel) = 20ma 1 logic high output current i oh 20 100 ai f = 0, v cc = v o =18v i f (other channel) = 20ma 1 high level output current i cch 0.2 1 0 ai f = 0, v cc = 18v i f (other channel) = 20ma 1 low level supply current i ccl 35 200 ai f1 = i f2 = 20ma, v cc = 18v 1 input forward voltage v f 1.5 1 .8 v i f = 20ma 1 input reverse breakdown voltage bv r 3vi r = 10a 1 input-output insulation leakage current i i?o 1.0 a v i?0 = 1500vdc, relative humidity = 45% t a = 25c, t = 5s 3 propagation delay time to high output level t plh 26 si f = 16ma, v cc = 5v, r l = 8.2k ? c l = 50pf 1 propagation delay time to low output level t phl 0.4 2 si f = 16ma, v cc = 5v, r l = 8.2k ? c l = 50pf 1 typical characteristics t a = 25 c, v cc = 5v each channel parameter symbol min typ max units test conditions note input capacitance c in 120 pf v f = 0, f = 1mhz 1 capacitance (input-output) c i-o 1.0 pf f = 1mhz, v f = 0 1, 4 capacitance (input-input) c i-i 0.55 pf f = 1mhz 3 input diode temperature coefficient ? v f ? t a -1.9 mv/ ci f = 18ma 1 resistance (input-output) r i-o 10 12 ? v i?o = 500vdc 3 input-input insulation leakage current i i-i 1 pa relative humidity = 45% v i-i = 500vdc, t = 5s 3 common mode transient immunity at high output level cm h 500 1000 v/ sv cm = 50v p-p , r l = 8.2k ? , i f = 0ma 1, 5 common mode transient immunity at low output level cm l 500 1000 v/ sv cm = 50v p-p , r l = 8.2k ? , i f = 16ma 1, 6 notes: 1. each channel. 2. current transfer ratio is defined as the ratio of output collector current, i o , to the forward led input current., i f , times 100%. 3. measured between each input pair shorted together. 4. measured between each input pair shorted together and the output pins for that channel shorted together. 5. cm h is the maximum tolerable common mode transient to assure that the output will remain in a high logic state (ie. v o > @.0v). 6. cm l is the maximum tolerable common mode transient to assure that the output will remain in a low logic state (ie. v o < 0.8v). recommended operating conditions: parameter symbol min max units input current, low level i fl 0 250 a supply voltage v cc 218v
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