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1 ? fn7180 caution: these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 1-888-intersil or 321-724-7143 | intersil (and design) is a registered trademark of intersil americas inc. copyright ? intersil americas inc. 2004. all rights reserved. elantec is a registered trademark of elantec semiconductor, inc. all other trademarks mentioned are the property of their respective owners. el5191, el5191a 1ghz current feedba ck amplifier with enable the el5191 and el5191a amplifiers are of the current feedback variety and exhibit a very high bandwidth of 1ghz. this makes these amplifiers ideal for today?s high speed video and monitor applications, as well as a number of rf and if frequency designs. with a supply current of just 9ma and the ability to run from a single supply voltage from 5v to 10v, these amplifiers offer very high performance for little power consumption. the el5191a also incorporates an enable and disable function to reduce the supply current to 100a typical per amplifier. allowing the ce pin to float or applying a low logic level will enable the amplifier. the el5191 is offered in the 5-pin sot-23 package and the el5191a is available in the 6-pin sot-23 as well as the industry-standard 8-pin so packages. both operate over the industrial temperature range of -40c to +85c. features 1ghz -3db bandwidth 9ma supply current single and dual supply operation, from 5v to 10v supply span fast enable/disable (el5191a only) available in sot-23 packages high speed, 600mhz product available (el5192, el5292, and el5392) lower power, 300mhz product available (el5193, el5293, el5393) applications video amplifiers cable drivers rgb amplifiers test equipment instrumentation current to voltage converters pinouts ordering information part number package tape & reel pkg. no. el5191cw-t7 5-pin sot-23* 7? mdp0038 el5191cw-t13 5-pin sot-23* 13? mdp0038 el5191acw-t7 6-pin sot-23* 7? mdp0038 EL5191ACW-T13 6-pin sot-23* 13? mdp0038 el5191acs 8-pin so - mdp0027 el5191acs-t7 8-pin so 7? mdp0027 el5191acs-t13 8-pin so 13? mdp0027 *el5191cw & el5191acw symbol is .n xxx where xxx represents date code 1 2 3 5 4 - + out v s - in+ v s + in- 1 2 3 6 4 - + out v s - in+ vs+ in- 5 ce 1 2 3 4 8 7 6 5 - + nc in- in+ v s - ce v s + out nc el5191a (8-pin so) top view el5191 (5-pin sot-23) top view el5191a (6-pin sot-23) top view data sheet january 22, 2004 n o t r e c o m m e n d e d f o r n e w d e s i g n s s e e e l 5 1 6 6 / e l 5 1 6 7
2 absolute maximum ratings (t a = 25c) supply voltage between v s + and v s - . . . . . . . . . . . . . . . . . . . . . 11v maximum continuous output current . . . . . . . . . . . . . . . . . . . 50ma operating junction temperature . . . . . . . . . . . . . . . . . . . . . . . 125c power dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see curves pin voltages. . . . . . . . . . . . . . . . . . . . . . . . . v s - -0.5v to v s + +0.5v storage temperature . . . . . . . . . . . . . . . . . . . . . . . . -65c to +150c operating temperature . . . . . . . . . . . . . . . . . . . . . . . -40c to +85c caution: stresses above those listed in ?absolute maximum ratings? may cause permanent damage to the device. this is a stress o nly rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. important note: all parameters having min/max specifications are guaranteed. typical values are for information purposes only. u nless otherwise noted, all tests are at the specified temperature and are pulsed tests, therefore: t j = t c = t a electrical specifications v s + = +5v, v s - = -5v, r f = 392 ? for a v = 1, r f = 250 ? for a v = 2, r l = 150 ? , t a = 25c unless otherwise specified . parameter description conditions min typ max unit ac performance bw -3db bandwidth a v = +1 1000 mhz a v = +2 600 mhz bw1 0.1db bandwidth 30 mhz sr slew rate v o = -2.5v to +2.5v, a v = +2 2400 2800 v/s t s 0.1% settling time v out = -2.5v to +2.5v, a v = -1 7 ns e n input voltage noise 3.8 nv/ hz i n - in- input current noise 25 pa/ hz i n + in+ input current noise 55 pa/ hz dg differential gain error (note 1) a v = +2 0.035 % dp differential phase error (note 1) a v = +2 0.04 dc performance v os offset voltage -15 1 15 mv t c v os input offset voltage temperature coefficient measured from t min to t max 5v/c r ol transimpedance 150 300 k ? input characteristics cmir common mode input range 3 3.3 v cmrr common mode rejection ratio 42 50 db -icmr - input current common mode rejection -6 6 a/v +i in + input current -120 40 120 a -i in - input current -60 5 60 a r in input resistance 27 k ? c in input capacitance 0.5 pf output characteristics v o output voltage swing r l = 150 ? to gnd 3.4 3.7 v r l = 1k ? to gnd 3.8 4.0 v i out output current r l = 10 ? to gnd 95 120 ma supply i son supply current - enabled no load, v in = 0v 8 9 11 ma i soff supply current - disabled no load, v in = 0v 100 150 a el5191, el5191a
3 psrr power supply rejection ratio dc, v s = 4.75v to 5.25v 55 75 db -ipsr - input current power supply rejection dc, v s = 4.75v to 5.25v -2 2 a/v enable (el5191a only) t en enable time 40 ns t dis disable time 600 ns i ihce ce pin input high current ce = v s +0.86a i ilce ce pin input low current ce = v s -0-0.1a v ihce ce input high voltage for power-down v s + - 1 v v ilce ce input low voltage for power-down v s + - 3 v note: 1. standard ntsc test, ac signal amplitude = 286mv p-p , f = 3.58mhz electrical specifications v s + = +5v, v s - = -5v, r f = 392 ? for a v = 1, r f = 250 ? for a v = 2, r l = 150 ? , t a = 25c unless otherwise specified . (continued) parameter description conditions min typ max unit el5191, el5191a
4 typical perfor mance curves non-inverting frequency response (phase) 1m 10m 100m 1g frequency (hz) phase () 90 0 -90 -180 -270 -360 a v = 2 a v = 5 a v a v = 1 inverting frequency response (gain) sot-23 package 1m 10m 100m 1g frequency (hz) normalized magnitude (db) 6 2 -2 -6 -10 -14 r f = 250 ? r l = 150 ? a v =-2 a v =-5 a v =-1 inverting frequency response (phase) 1m 10m 100m 1g frequency (hz) phase () 90 0 -90 -180 -270 -360 r f = 250 ? r l = 150 ? a v = -2 a v = -5 a v = -1 non-inverting frequency response (gain) sot-23 package 1m 10m 100m 1g frequency (hz) normalized magnitude (db) 6 2 -2 -6 -10 -14 a v = 2 a v = 5 a v = 10 a v = 1 frequency response for various c in - 1m 10m 1g frequency (hz) normalized magnitude (db) 10 6 2 -2 -6 -10 0pf added 2pf added 1pf added 100m a v = 2 r f = 250 ? r l = 150 ? frequency response for various r l 1m 10m 100m 1g frequency (hz) normalized magnitude (db) 6 2 -2 -6 -10 -14 a v = 2 r f = 250 ? r l = 100 ? r l = 150 ? r l = 500 ? r f = 390 ? r l = 150 ? non-inverting frequency response (phase) 1m 10m 100m 1g frequency (hz) phase () 90 0 -90 -180 -270 -360 a v = 2 a v = 5 a v = 10 a v = 1 r f = 390 ? r l = 150 ? el5191, el5191a
5 typical performa nce curves (continued) frequency response for various c l 1m 10m 100m 1g frequency (hz) normalized magnitude (db) 14 10 6 2 -2 -6 a v = 2 r f = 250 ? r l =150 ? 0pf added 6pf added 4pf added frequency response for various r f 1m 10m 100m 1g frequency (hz) normalized magnitude (db) 6 2 -2 -6 -10 -14 a v = 2 r g = r f r l = 150 ? 150 ? 500 ? 375 ? 250 ? group delay vs frequency 1m 10m 1g frequency (hz) group delay (ns) 3.5 2.5 1.5 0.5 100m a v = 2 r f = 250 ? a v = 1 r f = 390 ? frequency response for various common-mode input voltages 1m 10m 1g frequency (hz) normalized magnitude (db) 6 2 -2 -6 -10 -14 100m a v = 2 r f = 250 ? r l = 150 ? v cm = 3v v cm = 0v v cm = -3v 2 1 0 3 transimpedance (rol) vs frequency 1k frequency (hz) 10k 100k 1m 10m 100m 1g magnitude ( ? ) 10m 100 1k 10k 100k 1m psrr and cmrr vs frequency psrr/cmrr (db) 20 -80 -60 -40 -20 0 10k frequency (hz) 100k 1m 10m 1g 100m -90 -180 -270 -360 0 phase () phase gain psrr+ psrr- cmrr el5191, el5191a
6 typical performa nce curves (continued) -3db bandwidth vs supply voltage for non- inverting gains 56 10 total supply voltage (v) -3db bandwidth (mhz) 1200 1000 800 600 200 0 8 a v = 1 peaking vs supply voltage for non-inverting gains total supply voltage (v) peaking (db) 4 3.5 1.5 1 0.5 0 -3db bandwidth vs supply voltage for inverting gains 56 10 total supply voltage (v) -3db bandwidth (mhz) 600 500 400 300 100 0 8 400 79 r f = 390 ? r l = 150 ? a v = 2 a v = 5 a v = 10 200 79 r f = 250 ? r l = 150 ? a v = -1 a v = -5 56 10 8 79 r f = 390 ? r l =150 ? a v = 1 a v = 2 a v = -2 a v = 10 2.5 2 3 peaking vs supply voltage for inverting gains total supply voltage (v) peaking (db) 4 3 2 1 0 56 10 8 79 r f = 250 ? r l = 150 ? a v = -1 a v = -5 a v = -2 non-inverting frequency response (gain) so8 package 1m 10m 1g frequency (hz) 100m 1.6g normalized magnitude (db) 6 2 -2 -6 -10 -14 r f = 392 ? r l = 150 ? a v = 1 a v = 2 a v = 5 a v = 10 non-inverting frequency response (phase) so8 package 1m 10m 1g frequency (hz) 100m phase () 90 0 -90 -180 -270 -360 r f = 392 ? a v = 1 a v = 2 a v = 5 a v = 10 r f = 392 ? r l = 150 ? el5191, el5191a
7 typical performa nce curves (continued) inverting frequency response (gain) so8 package 1m 10m frequency (hz) 100m 1g normalized magnitude (db) 6 2 -2 -6 -10 -14 r f = 250 ? r l = 150 ? a v = -1 a v = -2 a v = -5 inverting frequency response (phase) so8 package 1m 10m frequency (hz) 100m 1g phase () 90 0 -90 -180 -270 -360 r f = 250 ? r l = 150 ? a v = -1 a v = -2 a v = -5 -3db bandwidth vs temperature for inverting gains 700 600 300 200 100 0 -40 10 60 160 ambient temperature (c) -3db bandwidth (mhz) 400 110 peaking vs temperature 3 2.5 1.5 1 0.5 0 -40 10 60 160 ambient temperature (c) peaking (db) 2 110 -3db bandwidth vs temperature for non-inverting gains 2000 1500 500 0 -40 10 60 160 ambient temperature (c) -3db bandwidth (mhz) 1000 110 a v =1 a v =2 a v =5 a v =10 r f = 250 ? r l = 150 ? 500 a v = -1 r f =250 ? r l =150 ? a v = -2 a v = -5 r l = 150 ? a v = 1 a v = -1 a v = -2 voltage and current noise vs frequency 100 frequency (hz) 1k 10k 100k 10m 1m voltage noise (nv/ hz) current noise (pa/ hz) 1k 1 10 100 i n + i n - e n el5191, el5191a
8 typical performa nce curves (continued) closed loop output impedance vs frequency 100 frequency (hz) output impedance ( ? ) 100 0.001 0.1 10 0.01 1 1k 10m 1g 100k supply current (ma) 10 0 4 8 2 6 0 supply voltage (v) supply current vs supply voltage 12 210 8 6 4 10k 100m 1m differential gain/phase vs dc input voltage at 3.58mhz 0.03 0.01 -0.01 -0.03 -0.05 -1 -0.5 0 0.5 1 dc input voltage dg (%) or dp () dp dg a v = 2 r f = r g = 250 ? r l = 150 ? 0.03 0.02 0.01 0 -0.01 -0.02 -0.03 -0.04 dg (%) or dp () differential gain/phase vs dc input voltage at 3.58mhz -1 -0.5 0 0.5 1 dc input voltage a v = 1 r f = 375 ? r l = 500 ? dp dg 2nd and 3rd harmonic distortion vs frequency 1 frequency (mhz) 10 100 200 harmonic distortion (dbc) -10 -100 -60 -20 -80 -40 -70 -30 -90 -50 a v = +2 v out = 2v p-p r l = 100 ? two-tone 3rd order input referred intermodulation intercept (iip3) 10 frequency (mhz) 100 200 input power intercept (dbm) 30 -15 10 15 20 25 -10 -5 0 5 a v = +2 r l = 100 ? 3rd order distortion 2nd order distortion el5191, el5191a
9 typical performa nce curves (continued) output voltage swing vs frequency thd < 1% 1 frequency (mhz) 10 100 200 output voltage swing (v pp ) 10 0 2 4 6 8 1 frequency (mhz) 10 100 output voltage swing (v pp ) 10 0 2 4 6 8 output voltage swing vs frequency thd < 0.1% r l = 150 ? r l = 500 ? small signal step response large signal step response 200mv/div 10ns/div 1v/div 10ns/div 0.01 0.1 1 settling accuracy (%) settling time vs settling accuracy 25 20 15 10 5 0 settling time (ns) transimpedance (roi) vs temperature 375 350 325 300 275 250 225 200 -40 10 60 110 160 die temperature (c) roi (k ? ) a v = 2 a v = 2 r l = 150 ? r l = 500 ? v s = 5v r l = 150 ? a v = 2 r f = r g = 250 ? a v = 2 r f = r g = 250 ? r l = 150 ? v step = 5v p-p output v s = 5v r l = 150 ? a v = 2 r f = r g = 250 ? el5191, el5191a
10 typical performa nce curves (continued) offset voltage vs temperature 2 1 0 -1 -40 10 60 110 160 die temperature (c) v os (mv) psrr and cmrr vs temperature 90 70 50 30 10 -40 10 60 110 160 die temperature (c) psrr/cmrr (db) psrr cmrr icmr and ipsr vs temperature 2.5 2 1.5 1 0.5 0 -0.5 -1 -40 10 60 110 160 die temperature (c) icmr/ipsr (a/v) icmr- ipsr icmr+ supply current vs temperature 10 9 8 -40 10 60 110 160 temperature (c) supply current (ma) positive input resistance vs temperature 35 30 25 20 15 10 5 0 -40 10 60 110 160 temperature (c) r in (k ? ) input current vs temperature 140 120 100 80 40 20 0 -20 -40 10 60 110 160 temperature (c) input current (a) 60 ib- ib+ el5191, el5191a
11 typical performa nce curves (continued) positive output swing vs temperature for various loads 4.2 4.1 4 3.9 3.8 3.7 3.6 3.5 -40 10 60 110 160 temperature (c) v out (v) 150 ? 1k ? negative output swing vs temperature for various loads -3.5 -3.6 -3.7 -3.9 -4 -4.1 -4.2 -40 10 60 110 160 temperature (c) v out (v) -3.8 150 ? 1k ? slew rate vs temperature 5000 4000 3000 -40 10 60 110 160 die temperature (c) slew rate (v/s) 4500 3500 output current vs temperature 140 135 130 125 120 115 -40 10 60 110 160 die temperature (c) i out (ma) a v = 2 r f = r g = 250 ? r l = 150 ? source sink enable response 20ns/div 500mv/div 5v/div disable response 400ns/div 500mv/div 5v/div el5191, el5191a
12 typical performa nce curves (continued) package power dissipation vs ambient temperature jedec jesd51-3 low effective thermal conductivity test board 0.7 0.6 0.5 0.3 0.2 0.1 0 0 50 100 150 ambient temperature (c) power dissipation (w) 0.4 25 75 125 625mw 391mw s o t - 2 3 2 5 6 c / w s o 8 160 c /w 85 pin descriptions 8-pin so 5-pin sot-23 6-pin sot-23 pin name function equivalent circuit 1, 5 nc not connected 2 4 4 in- inverting input circuit 1 3 3 3 in+ non-inverting input (see circuit 1) 422v s - negative supply 6 1 1 out output circuit 2 756v s + positive supply 85ce chip enable circuit 3 in- in+ v s + v s - v s + v s - out v s + v s - ce el5191, el5191a
13 applications information product description the el5191 is a current-feedback operational amplifier that offers a wide -3db bandwidth of 1ghz and a low supply current of 9ma per amplifier. the el5191 works with supply voltages ranging from a single 5v to 10v and they are also capable of swinging to within 1v of either supply on the output. because of their current-feedback topology, the el5191 does not have the normal gain-bandwidth product associated with voltage-feedback operational amplifiers. instead, its -3db bandwidth to remain relatively constant as closed-loop gain is increased. this combination of high bandwidth and low power, together with aggressive pricing make the el5191 the ideal choice for many low-power/high- bandwidth applications such as portable, handheld, or battery-powered equipment. for varying bandwidth needs, consider the el5192 with 600mhz on a 6ma supply current or the el5193 with 300mhz on a 4ma supply current. versions include single, dual, and triple amp packages with 5-pin sot-23, 16-pin qsop, and 8-pin or 16-pin so outlines. power supply bypassing and printed circuit board layout as with any high frequency device, good printed circuit board layout is necessary for optimum performance. low impedance ground plane construction is essential. surface mount components are recommended, but if leaded components are used, lead lengths should be as short as possible. the power supply pins must be well bypassed to reduce the risk of oscillation. the combination of a 4.7f tantalum capacitor in parallel with a 0.01f capacitor has been shown to work well when placed at each supply pin. for good ac performance, parasitic capacitance should be kept to a minimum, especially at the inverting input. (see the capacitance at the inverting input section) even when ground plane construction is used, it should be removed from the area near the inverting input to minimize any stray capacitance at that node. carbon or metal-film resistors are acceptable with the metal-film resistors giving slightly less peaking and bandwidth because of additional series inductance. use of sockets, particularly for the so package, should be avoided if possible. sockets add parasitic inductance and capacitance which will result in additional peaking and overshoot. disable/power-down the el5191a amplifier can be disabled placing its output in a high impedance state. when disabled, the amplifier supply current is reduced to < 150a. the el5191a is disabled when its ce pin is pulled up to within 1v of the positive supply. similarly, the amplifier is enabled by floating or pulling its ce pin to at least 3v below the positive supply. for 5v supply, this means that an el5191a amplifier will be enabled when ce is 2v or less, and disabled when ce is above 4v. although the logic levels are not standard ttl, this choice of logic voltages allows the el5191a to be enabled by tying ce to ground, even in 5v single supply applications. the ce pin can be driven from cmos outputs. capacitance at the inverting input any manufacturer?s high-speed voltage- or current-feedback amplifier can be affected by stray capacitance at the inverting input. for inverting gains, this parasitic capacitance has little effect because the inverting input is a virtual ground. but for non-inverting gains, this capacitance (in conjunction with the feedback and gain resistors) creates a pole in the feedback path of the amplifier. this pole, if low enough in frequency, has the same destabilizing effect as a zero in the forward open-loop response. the use of large value feedback and gain resistors exacerbates the problem by further lowering the pole frequency (increasing the possibility of oscillation.) the el5191 has been optimized with a 250 ? feedback resistor. with the high bandwidth of these amplifiers, these resistor values might cause stability problems when combined with parasitic capacitance, thus ground plane is not recommended around the inverting input pin of the amplifier. feedback resistor values the el5191 has been designed and specified at a gain of +2 with r f approximately 250 ? . this value of feedback resistor gives 600mhz of -3db bandwidth at a v = 2 with about 2db of peaking. with a v = -2, that same r f gives 450mhz of bandwidth with 0.6db of peaking. since the el5191 is a current-feedback amplifier, it is also possible to change the value of r f to get more bandwidth. as seen in the curve of frequency response for various r f and r g , bandwidth and peaking can be easily modified by varying the value of the feedback resistor. because the el5191 is a current-feedback amplifier, its gain- bandwidth product is not a constant for different closed-loop gains. this feature actually allows the el5191 to maintain about the same -3db bandwidth. as gain is increased, bandwidth decreases slightly while stability increases. since the loop stability is improving with higher closed-loop gains, it becomes possible to reduce the value of r f below the specified 250 ? and still retain stability, resulting in only a slight loss of bandwidth with increased closed-loop gain. supply voltage range and single-supply operation the el5191 has been designed to operate with supply voltages having a span of greater than 5v and less than 10v. in practical terms, this means that the el5191 will operate on dual supplies ranging from 2.5v to 5v. with single- supply, the el5191 will operate from 5v to 10v. el5191, el5191a
14 as supply voltages continue to decrease, it becomes necessary to provide input and output voltage ranges that can get as close as possible to the supply voltages. the el5191 has an input range which extends to within 2v of either supply. so, for example, on 5v supplies, the el5191 has an input range which spans 3v. the output range of the el5191 is also quite large, extending to within 1v of the supply rail. on a 5v supply, the output is therefore capable of swinging from -4v to +4v. single-supply output range is larger because of the increased negative swing due to the external pull-down resistor to ground. video performance for good video performance, an amplifier is required to maintain the same output impedance and the same frequency response as dc levels are changed at the output. this is especially difficult when driving a standard video load of 150 ? , because of the change in output current with dc level. previously, good differential gain could only be achieved by running high idle currents through the output transistors (to reduce variations in output impedance.) these currents were typically comparable to the entire 9ma supply current of each el5191 amplifier. special circuitry has been incorporated in the el5191 to reduce the variation of output impedance with current output. this results in dg and dp specifications of 0.035% and 0.04, while driving 150 ? at a gain of 2. video performance has also been measured with a 500 ? load at a gain of +1. under these conditions, the el5191 has dg and dp specifications of 0.02% and 0.02, respectively. output drive capability in spite of its low 9ma of supply current, the el5191 is capable of providing a minimum of 95ma of output current. with a minimum of 95ma of output drive, the el5191 is capable of driving 50 ? loads to both rails, making it an excellent choice for driving isolation transformers in telecommunications applications. driving cables and capacitive loads when used as a cable driver, double termination is always recommended for reflection-free performance. for those applications, the back-termination series resistor will decouple the el5191 from the cable and allow extensive capacitive drive. however, other applications may have high capacitive loads without a back-termination resistor. in these applications, a small series resistor (usually between 5 ? and 50 ? ) can be placed in series with the output to eliminate most peaking. the gain resistor (r g ) can then be chosen to make up for any gain loss which may be created by this additional resistor at the output. in many cases it is also possible to simply increase the value of the feedback resistor (r f ) to reduce the peaking. current limiting the el5191 has no internal current-limiting circuitry. if the output is shorted, it is possible to exceed the absolute maximum rating for output current or power dissipation, potentially resulting in the destruction of the device. power dissipation with the high output drive capability of the el5191, it is possible to exceed the 125c absolute maximum junction temperature under certain very high load current conditions. generally speaking when r l falls below about 25 ? , it is important to calculate the maximum junction temperature (t jmax ) for the application to determine if power supply voltages, load conditions, or package type need to be modified for the el5191 to remain in the safe operating area. these parameters are calculated as follows: where: t max = maximum ambient temperature ja = thermal resistance of the package n = number of amplifiers in the package pd max = maximum power dissipation of each amplifier in the package pd max for each amplifier can be calculated as follows: where: v s = supply voltage i smax = maximum supply current of 1a v outmax = maximum output voltage (required) r l = load resistance t jmax t max ja npd max () + = pd max 2 ( v s i smax ) v s ( - v outmax ) v outmax r l ---------------------------- + = el5191, el5191a
15 typical applic ation circuits in+ in- v s + v s - out in+ in- v s + v s - out 0.1f +5v 0.1f -5v 250 ? 5 ? 5 ? 250 ? 250 ? v out v in inverting 200ma output current distribution amplifier 0.1f 0.1f +5v -5v in+ in- v s + v s - out in+ in- v s + v s - out 0.1f +5v 0.1f -5v 0.1f 0.1f 250 ? 250 ? 250 ? 250 ? v out v in +5v -5v el5191, el5191a fast-settling precision amplifier
16 all intersil u.s. products are manufactured, asse mbled and tested utilizing iso9000 quality systems. intersil corporation?s quality certifications can be viewed at www.intersil.com/design/quality intersil products are sold by description only. intersil corporation reserves the right to make changes in circuit design, soft ware and/or specifications at any time without notice. accordingly, the reader is cautioned to verify that data sheets are current before placing orders. information furnishe d by intersil is believed to be accurate and reliable. however, no responsibility is assumed by intersil or its subsidiaries for its use; nor for any infringements of paten ts or other rights of third parties which may result from its use. no license is granted by implication or otherwise under any patent or patent rights of intersil or its subsidiari es. for information regarding intersil corporation and its products, see www.intersil.com typical applicat ion circuits (continued) in+ in- v s + v s - out in+ in- v s + v s - out 0.1f +5v 0.1f -5v 250 ? 120 ? 120 ? 250 ? 250 ? v out + v in differential line driver/receiver 0.1f 0.1f +5v -5v v out - in+ in- v s + v s - out in+ in- v s + v s - out 0.1f +5v 0.1f -5v 250 ? 250 ? 250 ? v out 0.1f 0.1f +5v -5v 250 ? 1k ? 1k ? 240 ? 0.1f 0.1f receiver transmitter el5191, el5191a

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