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1 dual channel differential dsl line driver isl1533a the isl1533a is a dual channel differential amplifier designed for driving high crest factor signals at very low distortion levels. the high drive capability of 450ma makes this driver ideal for dmt designs. it contains two pairs of wideband, high-voltage, current mode feedback amplifiers designed on intersil?s hs30 bipolar soi process for low power consumption in asymmetric digital subscriber line (adsl) and power line communications (plc) systems. this process also provides for very rugged protection against lightning induced surges on the line. the supply current can be set using a resistor on the i adj pin. pins (c 0 and c 1 ) can also be used to adjust supply current to one of four preset modes (full-i s , 3/4-i s , 1/2-i s , and full power-down). the isl1533a integrates 50k pull-up resistors on c 0 and c 1 pins to initially disable the device. the isl1533a operates on 5v to 15v supplies or single supply up to 30v and retains it s bandwidth and linearity over the complete full scale supply range. the device is supplied in a thermally-enhanced small footprint (4mmx5mm) 24 ld qfn package. the isl1533a is specified for operation over the full -40c to +85c temperature range. features ? 450ma output drive capability ? 44.4v p-p differential output drive into 100 ? ? 5v to 15v or single supply to 30v operation ? operates down to supply current of 4ma per port ? current control pins ? channel separation - 80db at 500khz ? pb-free (rohs compliant) applications ? dual port adsl2+ line drivers ? power line communications (plc) - + - + txfr 1:1 25 ? 25 ? r f r f 667 ? 100 ? r t r t v s - v s + v s - v s + 3k ? 3k ? 2r g t x + t x - from afe 0.22f 0.22f figure 1. typical application circuit caution: these devices are sensitive to electrostatic discharge; follow proper ic handling procedures. 1-888-intersil or 1-888-468-3774 | copyright intersil americas llc 2014. all rights reserved intersil (and design) is a trademark owned by intersil corporation or one of its subsidiaries. all other trademarks mentioned are the property of their respective owners. may 9, 2014 fn8648.0
2 fn8648.0 may 9, 2014 submit document feedback pin configuration ordering information part number ( notes 2 , 3 )part marking package (pb-free) pkg. dwg. # ISL1533AIRZ 1533a irz 24 ld qfn l24.4x5f-a ISL1533AIRZ-t13 ( note 1 ) 1533a irz 24 ld qfn (tape & reel) l24.4x5f-a notes: 1. please refer to tb347 for details on reel specifications. 2. these intersil pb-free plastic packaged products employ special pb-free material sets, molding compounds/die attach materials , and 100% matte tin plate plus anneal (e3 termination finish, wh ich is rohs compliant and compatible with both snpb and pb-free soldering operation s). intersil pb-free products are msl classified at pb-free peak reflow temperatures that meet or exceed the pb-free requirements of ipc/jedec j std -020. 3. for moisture sensitivity level (msl), please see device information page for isl1533a . for more information on msl please see techbrief tb363 . ISL1533AIRZ (24 ld qfn) top view thermal pad to be connected to gnd 19 18 17 16 15 14 13 24 23 22 21 20 8 9 10 11 12 1 2 3 4 5 6 7 vina+ vinb+ gnd iadj nc vinc+ vind+ vina- vinb- voutb nc voutc vinc- vind- c1ab c0ab vs- nc vouta c1cd c0cd nc vs+ voutd thermal pad isl1533a
3 fn8648.0 may 9, 2014 submit document feedback pin descriptions 24 ld qfn pin name function circuit 1 vina+ amplifier a non-inverting input circuit 1 2 vinb+ amplifier b non-inverting input (reference circuit 1) 3gndground connection 4iadj ( note 4 ) supply current control pin for both dsl channels #1 and #2 circuit 2 5, 10, 16, 21 nc not connected 6 vinc+ amplifier c non-inverting input (reference circuit 1) 7 vind+ amplifier d non-inverting input (reference circuit 1) 8 c1cd ( note 5 ) dsl channel #2 current control pin circuit 3 9 c0cd ( note 5 ) dsl channel #2 current control pin (reference circuit 3) 11 vs+ positive supply 12 voutd amplifier d output (reference circuit 1) 13 vind- amplifier d inverting input (reference circuit 1) 14 vinc- amplifier c inverting input (reference circuit 1) 15 voutc amplifier c output (reference circuit 1) 17 voutb amplifier b output (reference circuit 1) 18 vinb- amplifier b inverting input (reference circuit 1) 19 vina- amplifier a inverting input (reference circuit 1) 20 vouta amplifier a output (reference circuit 1) 22 vs- negative supply 23 c0ab ( note 6 ) dsl channel #1 current control pin (reference circuit 3) 24 c1ab ( note 6 ) dsl channel #1 current control pin (reference circuit 3) notes: 4. iadj controls bias current (is) setting for both dsl channels. 5. amplifiers c and d comprise dsl channel #2. c0cd and c1cd control i s settings for dsl channel #2. 6. amplifiers a and b comprise dsl channel #1. c0ab and c1ab control i s settings for dsl channel #1. v s + v s - 7.5k v s + gnd i adj v s - v s + i adj 20k c oab v s + v s - 50k 2.6v isl1533a
4 fn8648.0 may 9, 2014 submit document feedback absolute maximum ratings (t a = +25 c) thermal information v s + to v s - supply voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3v to 30v v s + voltage to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3v to 30v v s - voltage to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -30v to 0.3v driver v in + voltage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v s - to v s + c 0 , c 1 voltage to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3v to 6v i adj voltage to gnd . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3v to 4v esd rating human body model (per mil-std-883 method 3015.7) . . . . . . . . . . 3kv machine model (per eiaj ed-4701 method c-111) . . . . . . . . . . . . . 200v thermal resistance (typical) ? ja (c/w) ? jc (c/w) 24 lead qfn package ( notes 7 , 8 ) . . . . . . 39 4.5 current into any input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8ma output current from driver (static) . . . . . . . . . . . . . . . . . . . . . . . . . . . 50ma power dissipation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .see figure 37 storage temperature range. . . . . . . . . . . . . . . . . . . . . . . .-65c to +150c pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see tb493 recommended operating conditions temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -40c to +85c junction temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40c to +150c caution: do not operate at or near the maximum ratings listed for extended periods of time. exposure to such conditions may adv ersely impact product reliability and result in failures not covered by warranty. notes: 7. ? ja is measured in free air with the componen t mounted on a high effective thermal conductivity test board with ?direct attach? fe atures. see tech brief tb379. 8. for ? jc , the ?case temp? location is the center of the exposed metal pad on the package underside. 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 = 12v, r f = 3k ? , r l = 50 ? , i adj = c 0 = c 1 = 0v, t a = +25c. amplifiers tested separately. parameter description conditions min ( note 9) typ max note 9 unit supply characteristics i s + (full i s ) positive supply current per amplifier all outputs at 0v, c 0 = c 1 = 0v, r adj = 0 3.0 4.0 5.0 ma i s - (full i s ) negative supply current per amplifier all outputs at 0v, c 0 = c 1 = 0v, r adj = 0 -4.88 -3.88 -2.88 ma i s + (3/4 i s ) positive supply current per amplifier all outputs at 0v, c 0 = 5v, c 1 = 0v, r adj = 0 3.0 ma i s - (3/4 i s ) negative supply current per amplifier all outputs at 0v, c 0 = 5v, c 1 = 0v, r adj = 0 -2.8 ma i s + (1/2 i s ) positive supply current per amplifier all outputs at 0v, c 0 = 0v, c 1 = 5v, r adj = 0 1.63 2.0 2.75 ma i s - (1/2 i s ) negative supply current per amplifier all outputs at 0v, c 0 = 0v, c 1 = 5v, r adj = 0 -2.63 -1.88 -1.5 ma i s + (power-down) positive supply current per amplifier all outputs at 0v, c 0 = c 1 = 5v, r adj = 0 0.12 0.5 ma i s - (power-down) negative supply current per amplifier all outputs at 0v, c 0 = c 1 = 5v, r adj = 0 -0.5 0 ma i gnd gnd supply current per amplifier all outputs at 0v 0.25 ma input characteristics v os input offset voltage -10 4 +10 mv ? v os v os mismatch -2 0 +2 mv i b + non-inverting input bias current -7.5 +7.5 a i b - inverting input bias current -50 +50 a ? i b -i b - mismatch -10 0 +10 a r ol transimpedance 15 m ? e n input noise voltage 10 nv/ ? hz i n -input noise current 25 pa/ ? hz v ih input high voltage c 0 and c 1 inputs 2.2 v v il input low voltage c 0 and c 1 inputs 0.8 v i ih0, i ih1 input high current for c 0, c 1 c 0 = 5v, c 1 = 5v 5 33 60 a isl1533a
5 fn8648.0 may 9, 2014 submit document feedback i il input low current for c 0 or c 1 c 0 = 0v, c 1 = 0v -15 -3.5 a output characteristics v out loaded output swing (r l single-ended to gnd) r l = 100 ? 11.1 v r l = 50 ? (+) +10.8 v r l = 50 ? (-) -10.8 v r l = 25 ? (+) +9.4 +10.3 v r l = 25 ? (-) -10.5 -9.3 v i ol linear output current a v = 5, r l = 10 ? , f = 100khz, thd = -60dbc (10 ? single-ended) 450 ma i out output current v out = 1v, r l = 1 ? 1a dynamic performance bw -3db bandwidth a v = 5, r l-diff = 100 ? 60 mhz hd2 2nd harmonic distortion f c = 200khz, r l-diff = 100 ??? v out = 10.5v p-p-diff -86 dbc f c = 2mhz, r l-diff = 100 ??? v out = 2v p-p-diff -65 dbc f c = 2mhz, r l-diff = 100 ??? v out = 10.5v p-p-diff -60 dbc hd3 3rd harmonic distortion f c = 200khz, r l-diff = 100 ??? v out = 10.5v p-p-diff -92 dbc f c = 2mhz, r l-diff = 100 ??? v out = 2v p-p-diff -50 dbc f c = 2mhz, r l-diff = 100 ??? v out = 10.5v p-p-diff -58 dbc sr slewrate (single-ended) v out from -8v to +8v measured at 4v 400 v/s note: 9. parameters with min and/or max limits are 100% tested at +25 c, unless otherwise specified. te mperature limits established by characterization and are not production tested. electrical specifications v s = 12v, r f = 3k ? , r l = 50 ? , i adj = c 0 = c 1 = 0v, t a = +25c. amplifiers tested separately. (continued) parameter description conditions min ( note 9) typ max note 9 unit isl1533a
6 fn8648.0 may 9, 2014 submit document feedback typical performance curves figure 2. differential frequency response vs r f (full i s ) figure 3. differential frequency response vs r f (full i s ) figure 4. differential frequency response vs r f (3/4 i s ) figure 5. differential frequency response vs r f (3/4 i s ) figure 6. differential frequency response vs r f (1/2 i s ) figure 7. differential frequency response vs r f (1/2 i s ) v s = 12v av = 5 r l = 100 ?? diff r f = 3k ? r f = 1k ? r f = 4k ? r f = 2k ? v s =12v av=10 r l =100 ?? diff r f = 1k ? r f = 2k ? r f = 3k ? r f = 4k ? v s = 12v av = 5 r l = 100 ?? diff r f = 1k ? r f = 2k ? r f = 4k ? r f = 3k ? v s = 12v av = 10 r l = 100 ?? diff r f = 1k ? r f = 2k ? r f = 4k ? r f = 3k ? v s = 12v av = 5 r l = 100 ?? diff r f = 1k ? r f = 2k ? r f = 4k ? r f = 3k ? v s = 12v av = 10 r l = 100 ?? diff r f = 1k ? r f = 2k ? r f = 4k ? r f = 3k ? isl1533a
7 fn8648.0 may 9, 2014 submit document feedback figure 8. differential frequency response vs c l (full i s ) figure 9. differential frequency response vs c l (full i s ) figure 10. differential frequency response vs c l (3/4 i s ) figure 11. differential frequency response vs c l (3/4 i s ) figure 12. differential frequency response vs c l (1/2 i s ) figure 13. differential frequency response vs c l (1/2 i s ) typical performance curves (continued) v s = 12v av = 5 r f = 3k ?? r l = 100 ?? diff c l = 47pf c l = 27pf c l = 15pf c l = 0pf v s = 12v av = 10 r f = 3k ?? r l = 100 ?? diff c l = 47pf c l = 27pf c l = 0pf c l = 15pf v s = 12v av = 5 r f = 3k ?? r l = 100 ?? diff c l = 47pf c l = 27pf c l = 15pf c l = 0pf v s = 12v av = 10 r f = 3k ?? r l = 100 ?? diff c l = 47pf c l = 27pf c l = 15pf c l = 0pf v s = 12v av = 5 r f = 3k ?? r l = 100 ?? diff c l = 47pf c l = 27pf c l = 15pf c l = 0pf v s = 12v av = 10 r f = 3k ?? r l = 100 ?? diff c l = 47pf c l = 27pf c l = 0pf c l = 15pf isl1533a
8 fn8648.0 may 9, 2014 submit document feedback figure 14. differential frequency response vs r l (full i s ) figure 15. differential frequency response vs r l (full i s ) figure 16. differential frequency response vs r l (3/4 i s ) figure 17. differential frequency response vs r l (3/4 i s ) figure 18. differential frequency response vs r l (1/2 i s ) figure 19. differential frequency response vs r l (1/2 i s ) typical performance curves (continued) v s = 12v av = 5 r f = 3k ?? r l = 100 ? r l = 365 ? r l = 220 ? r l = 50 ? v s = 12v av = 10 r f = 3k ?? r l = 100 ? r l = 220 ? r l = 365 ? r l = 50 ? v s = 12v av = 5 r f = 3k ?? r l = 100 ? r l = 365 ? r l = 220 ? r l = 50 ? v s = 12v av = 10 r f = 3k ?? r l = 100 ? r l = 365 ? r l = 50 ? r l = 220 ? v s = 12v av = 5 r f = 3k ?? r l = 100 ? r l = 365 ? r l = 220 ? r l = 50 ? v s = 12v av = 10 r f = 3k ?? r l = 100 ? r l = 365 ? r l = 50 ? r l = 220 ? isl1533a
9 fn8648.0 may 9, 2014 submit document feedback figure 20. harmonics distortion vs differential output voltage (full i s ) figure 21. harmonics distortion vs differential output voltage (full i s ) figure 22. harmonics distortion vs differential output voltage (3/4 i s ) figure 23. harmonic distortion vs differential output voltage (3/4 i s ) figure 24. harmonic distortion vs differential output voltage (1/2 i s ) figure 25. harmonic distortion vs differential output voltage (1/2 i s ) typical performance curves (continued) v s = 12v av = 5 r f = 3k ?? freq = 200 khz r l = 100 ?? diff thd 2nd hd 3rd hd v s = 12v av = 5 r f = 3k ?? freq = 1 mhz r l = 100 ?? diff thd 2nd hd 3rd hd v s = 12v av = 5 r f = 3k ?? freq = 200 khz r l = 100 ?? diff thd 2nd hd 3rd hd v s = 12v av = 5 r f = 3k ?? freq = 1 mhz r l = 100 ?? diff thd 2nd hd 3rd hd v s = 12v av = 5 r f = 3k ?? freq = 200 khz r l = 100 ?? diff thd 2nd hd 3rd hd v s = 12v av = 5 r f = 3k ?? freq = 1 mhz r l = 100 ?? diff thd 2nd hd 3rd hd isl1533a
10 fn8648.0 may 9, 2014 submit document feedback figure 26. harmonic distortion vs differential output voltage (full i s ) figure 27. quiescent supply current vs r adj figure 28. harmonic distortion vs differential output voltage (3/4 i s ) figure 29. supply current vs supply voltage figure 30. harmonic distortion vs differential output voltage (1/2 i s ) figure 31. common-mode frequency response typical performance curves (continued) v s = 12v av = 5 r f = 3k ?? freq = 2 mhz r l = 100 ?? diff thd 2nd hd 3rd hd 12v 6v kkkkk v s = 12v av = 5 r f = 3k ?? freq = 2 mhz r l = 100 ?? diff thd 3rd hd 2nd hd (?v 1/2 bias mode full bias mode 3/4 bias mode v s = 12v av = 5 r f = 3k ?? freq = 2 mhz r l = 100 ?? diff thd 3rd hd 2nd hd v s = 12v r f = 3k ?? r l = 100 ?? av = 1 common mode 1/2 bias mode full bias mode isl1533a
11 fn8648.0 may 9, 2014 submit document feedback figure 32. input voltage & current noise vs frequency figure 33. sing le-ended output voltage noise vs frequency figure 34. channel separation vs fr equency figure 35. psrr vs frequency figure 36. output impedance vs frequency figur e 37. package power dissipation vs ambient temperature typical performance curves (continued) i n+ e n i n- av=20 cd ==> ab ab ==> cd psrr- psrr+ 4.5 4.0 3.0 2.0 1.0 0.5 0 0 25 50 75 100 150 ambient temperature (c) power dissipation (w) 3.21w 125 85 3.5 2.5 1.5 jedec jesd51-7 high effective thermal conductivity test board - qfn exposed qfn 24 ? ja = +39c/w isl1533a
12 fn8648.0 may 9, 2014 submit document feedback applications information figure 38 is a typical application ci rcuit for isl1533a as an adsl2+ co line driver. the driver output stage has been sized to provide full adsl2+ co power level of 20dbm onto the telephone lines. the actual peak output voltages and currents will depend on the transforme r turn ratio. the isl1533a is designed to support 450ma of output current, which exceeds the level required for 1:1 transformer ratio. power control function the isl1533a contains two forms of power control operation. two digital inputs, c 0 and c 1 , can be used to control the supply current of the isl1533a drive amplifiers. c 0 and c 1 inputs are designed to pull high initially. floating these inputs will put the device in disable mode. as the supply current is redu ced, the isl1533a will start to exhibit slightly higher levels of distortion and the frequency response will be limited. the four power modes of the isl1533a are set up as shown in table 1 . another method for controlling the power consumption of the isl1533a is to connect a resistor from the i adj pin to ground. when the i adj pin is grounded (the normal state), the supply current per channel is as shown in the ? supply characteristics ? on page 4 of the ?electrical specifications? table. when a resistor is insert ed, the supply current is scaled according to figure 27 on page 10 of the ?typical performance curves?. both methods of power control can be used simultaneously. in this case, positive and negative supply currents (per amp) are given by equation 1 . feedback resistor value the bandwidth and peaking of the amplifiers varies with feedback and gain settings. the feedback resistor values can be adjusted to produce an optimal frequency response. table 2 shows the recommended resistor values that produce an optimal driver frequency response (1db of peaking). . figure 38. typical adsl co line driver - + - + txfr 1:1 25 ? 25 ? r f r f 667 ? 100 ? r t r t v s - v s + v s - v s + 3k ? 3k ? 2r g t x + t x - from afe 0.22f 0.22f table 1. power modes of the isl1533a c 1 c 0 operation 00i s full power mode 0 1 3/4 i s power mode 1 0 1/2 i s power mode 11power-down table 2. optimum driver feedback resistor for various gains supply voltage driver voltage gain 510 12v 3k 2k i s +0.34ma 5.06ma 1r set / 1300 ?? + ------------------------------------------------ - x 3/4c 1 1/2c 0 - c 1 c 0 1/4 ? ? + ?? + = i s - -5.06ma 1r set / 1300 ?? + ------------------------------------------------ - x 3/4c 1 1/2c 0 - c 1 c 0 1/4 ? ? + ?? = (eq. 1) isl1533a
13 intersil products are manufactured, assembled and tested utilizing iso9001 quality systems as noted in the quality certifications found at www.intersil.com/en/suppor t/qualandreliability.html intersil products are sold by description only. intersil corporat ion 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 furnished by intersil is believed to be accurate and reliable. however, no responsi bility is assumed by intersil or its subsid iaries for its use; nor for any infringem ents of patents 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 i ntersil or its subsidiaries. for information regarding intersil corporation and its products, see www.intersil.com fn8648.0 may 9, 2014 for additional products, see www.intersil.com/en/products.html submit document feedback about intersil intersil corporation is a leading provider of innovative power ma nagement and precision analog so lutions. the company's product s address some of the largest markets within the industrial and infrastr ucture, mobile computing and high-end consumer markets. for the most updated datasheet, application notes, related documentatio n and related parts, please see the respective product information page found at www.intersil.com . you may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask . reliability reports are also av ailable from our website at www.intersil.com/support revision history the revision history provided is for informational purposes only and is believed to be accurate, but not warranted. please go t o the web to make sure that you have the latest revision. date revision change may 9, 2014 fn8648.0 initial release isl1533a
14 fn8648.0 may 9, 2014 submit document feedback isl1533a package outline drawing l24.4x5f-a 24 lead quad flat no-lead plastic package rev 0, 5/14 bottom view detail "x" typical recommended land pattern top view located within the zone indicated. the pin #1 identifier may be unless otherwise specified, tolerance: decimal 0.05 tiebar shown (if present) is a non-functional feature. the configuration of the pin #1 id entifier is optional, but must be between 0.20mm and 0.30mm from the terminal tip. dimension applies to the metallized terminal and is measured dimensions in ( ) are for reference only. dimensioning and tolerancing conform to asmey14.5m-1994. 6. either a mold or mark feature. 3. 5. 4. 2. dimensions are in millimeters. 1. notes: 3.80 typ side view pin 1 index area 6 4.00 5.00 a 0.10 4x b 0.5x4 = 2.00 ref 0.50 0.10 m c a b 0.25 0.05 4.80 typ (20x0.50) (24x0.60) 2.8 (24x0.25) 3.8 see detail ?x? 0.10 c c 0.08 c seating plane 0.00-0.05 0.900.10 c 0.203 ref 0 ~ 0.05 5 20 24 0.5x6 = 3.00 ref 0.50 pin #1 index area 6 6 r0.20 19 13 3.6 to 3.8 7 1 24x0.40 8 12 2.6 to 2.8

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