1 sy100elt982 micrel, inc. m9999-031506 hbwhelp@micrel.com or (408) 955-1690 description up to 1.25gbps operation 25ma peak drive current adjustable output current separate output enable differential inputs for data 75k ? input pull-down resistor single power supply available in a tiny 10-pin msop the sy100elt982 is a high speed pecl-to-cml translator. the output current is dc current controlled by i rset , current through the resistor r set . the output out is low when output enable is high. the device incorporates complementary open collector outputs with a capability of driving peak current of 25ma. the sy100elt982 utilizes the high performance bipolar asset technology. features pecl-to-cml translator with output enable block diagram sy100elt982 telecommunications cml output oscillator gaas interface applications d in v cc r term out d in output current control internal logic bias control en i out v ref 40x r set v ee v cc gnd r set out rev.: d amendment: /0 issue date: march 2006 asset technology is a trademark of micrel, inc.
2 sy100elt982 micrel, inc. m9999-031506 hbwhelp@micrel.com or (408) 955-1690 package/ordering information ordering information (1) package operating package lead part number type range marking finish SY100ELT982KC k10-1 commercial xel982 sn-pb SY100ELT982KCtr (2) k10-1 commercial xel982 sn-pb sy100elt982ki k10-1 industrial xel982 sn-pb sy100elt982kitr (2) k10-1 industrial xel982 sn-pb sy100elt982kg (3) k10-1 industrial xel982 with pb-free pb-free bar-line indicator nipdau sy100elt982kgtr (2, 3) k10-1 industrial xel982 with with pb-free pb-free bar-line indicator nipdau notes: 1. contact factory for die availability. dice are guaranteed at t a = 25 c, dc electricals only. 2. tape and reel. 3. pb-free package is recommended for new designs. 10-pin msop (k10-1) 6 5 10 9 8 7 1 2 3 4 msop k10-1 /en d in /d in v ref v cc /out out gnd gnd r set
3 sy100elt982 micrel, inc. m9999-031506 hbwhelp@micrel.com or (408) 955-1690 pin function v cc most positive power supply input, +5v for pecl operation. gnd ground d in , /d in differential pecl 100k compatible inputs. /en this pecl 100k compatible input enables data translation. when enable asserted high, out = i out , /out = 0ma. out, /out open collector outputs from the output buffer drive these differential current outputs. v ref voltage reference for use with r set. r set external resistor to adjust output current. d /d /en out (2) /out (3) lhllh hllhl xxhlh note: 1. l = low, h = high, x = don't care 2. h = i out = 0ma 3. h = /i out = 0ma pin names truth table (1) symbol rating value unit v cc power supply voltage 0 to +7.0 v v i input voltage 0 to +6.0 v i o output current 25 ma t lead lead temperature (soldering, 20sec.) +260 c t a operating temperature range 0 ? c to +85 ? c ? c t store storage temperature range 55 ? c to +125 ? c ? c p tot power dissipation 250 mw note: 1. permanent device damage may occur if absolute maximum ratings are exceeded. this is a stress rating only and functional oper ation is not implied at conditions other than those detailed in the operational sections of this data sheet. exposure to absolute maximum ratlng condi tions for extended periods may affect device reliability. absolute maximum ratings (1) symbol rating value unit v cc power supply voltage +4.5 to +5.5 v r term resistor to terminate outputs 10 to 50 ? r set resistor to adjust current 1500 to 50,000 ? ja thermal resistance of package to ambient (2) 206 ? c/w c out capacitance on out + /out 2.5 typical pf operationing conditions (1) notes: 1. the voltage drop across r term should not be greater than 2v. 2. still air without heatsink.
4 sy100elt982 micrel, inc. m9999-031506 hbwhelp@micrel.com or (408) 955-1690 t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit v ih input high voltage v cc - 1165 v cc - 880 v cc - 1165 v cc - 880 v cc - 1165 v cc - 880 mv (din, /din, /en) v il input low voltage v cc - 1810 v cc - 1475 v cc - 1810 v cc - 1475 v cc - 1810 v cc - 1475 mv (din, /din, /en) v ref reference voltage 3.12 3.00 2.80 v i il input low current (1) 0.5 0.5 0.5 ua (din, /din, /en) i ih input high current 100 100 100 ua (din, /din, /en) i cc supply current (2) 16 25 16 25 16 25 ma i ol output low current 500 500 500 ua (/en = high) i or output current 10 10 10 % ringing (2) i gain i out /i rset 30 38 44 30 38 44 30 38 44 notes: 1. v i = v il (min.) 2. i oh = 25ma. dc electrical characteristics gnd = 0v; v cc = +5.0v 10%; t a = 0 c to + 85 c t a = 0 ct a = +25 ct a = +85 c symbol parameter min. typ. max. min. typ. max. min. typ. max. unit conditions t pd d propagation delay 480 1000 480 1000 480 1000 ps din - out t pd en propagation delay 450 1000 450 1000 450 1000 ps /en - out t r rise/fall time 200 200 200 ps t f (20% to 80%) i out output current 5 15 25 5 15 25 5 15 25 ma i rset output current control 0.125 0.625 0.125 0.625 0.125 0.625 ma i or output current 10 10 10 % ringing (2) ac electrical characteristics (1) i oh =10ma; gnd = 0v; v cc = +5v 10%; t a = 0 c to + 85 c notes: 1. rterm = 50 ? 1% 2. i oh = 5 to 25ma
5 sy100elt982 micrel, inc. m9999-031506 hbwhelp@micrel.com or (408) 955-1690 application example performance curves 10 20 25 30 i o (ma) i o and r set 0.0 0.0 15 5 4.0k 6.0k 8.0k 10k 2.0k r set (ohm) 12k v cc 50 d in d in 50 50 50 coaxil sy100elt982 en v ret r set 50 coaxil logic low to enable 1.5k typical cml input device ex. el16v
6 sy100elt982 micrel, inc. m9999-031506 hbwhelp@micrel.com or (408) 955-1690 10-pin msop (k10-1) rev. 00 micrel, inc. 2180 fortune drive san jose, ca 95131 usa tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 web http://www.micrel.com the information furnished by micrel in this datasheet is believed to be accurate and reliable. however, no responsibility is as sumed by micrel for its use. micrel reserves the right to change circuitry and specifications at any time without notification to the customer. micrel products are not designed or authorized for use as components in life support appliances, devices or systems where malfu nction of a product can reasonably be expected to result in personal injury. life support devices or systems are devices or systems that (a) are intend ed for surgical implant into the body or (b) support or sustain life, and whose failure to perform can be reasonably expected to result in a significant inj ury to the user. a purchaser s use or sale of micrel products for use in life support appliances, devices or systems is at purchaser s own risk and purchaser agrees to fully indemnify micrel for any damages resulting from such use or sale. ? 2006 micrel, incorporated.
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