issue 5 - may 2007 1 www.zetex.com ? zetex semiconductors plc 2007 zxfv201, zxfv202, zxfv203, zxfv204 quad, single, triple and dual video amplifiers device description the zxfv201, zxfv202, zxfv203 and zxfv204 are quad, single, triple and dual, respectively, high speed amplifiers designed for video and other high speed applications. their low differential gain and phase performance make them ideal for video amplifier buffer applications. the quad allows one ic to drive rgbs format component video signals, while the triple provides rgb component video buffer/driver. the dual amplifier is a mainstay of the video market providing two channels in the space of 1 single in so8. the small size of the zxfv202 in sot23 allows it to be placed where needed for position/size critical applications. together with high output drive and slew rate capability, they bring high performance to video applications. ordering information features ? high speed ? gain of 1 - 3db bandwidth 210mhz ? slew rate 380v/s ? good video ? 25 mhz 0.1db bandwidth ? differential gain 0.04% ? differential phase 0.04 ? 40ma output current @ 3v output ? characterized up to 300pf load ? 5 volt supply operation ? supply current 7.5ma per amplifier applications ? industry standard pinouts ? video gain stages ?cctv buffer ? video distribution ? rgb buffering ?home theater ? high speed adc signal input drive ? cable driving application diagram part number descrip- tion status reel size (inches) qty. part mark zxfv202e5ta single active 7 3,000 v202 zxfv202e5td single obsolete 7 500 v202 zxfv202n8ta single obsolete 7 500 zxfv202 zxfv204n8ta dual obsolete 7 500 zxfv204 zxfv204n8tc dual active 13 2,500 zxfv204 zxfv203n14ta triple active 7 500 zxfv203 zxfv203n14tc triple obsolete 13 2,500 zxfv203 zxfv201n14ta quad ltb 7 500 zxfv201 zxfv201n14tc quad obsolete 13 2,500 zxfv201 75 co-ax 75 co-ax 75 back termination +2 +2 y c dual amplifier s - video driver
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 2 www.zetex.com ? zetex semiconductors plc 2007 power dera ting table recommended opera ting conditions recommended resistor values v s = 5v, c l = 10pf absolute maximum ratings over ope rating free-air temperature (unless otherwise stated (a) ) notes: (a) stresses above those listed under absolute maximum rating s may cause permanent damage to the device. this is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. exposure to absolute maximum rating conditions for extended periods may affect device reliability. supply voltage (v s+ to v s- ) -0.5v to +11v input voltage (v in- , v in+ ) (b) (b) during power-up and power-down, these voltage ratings require that signals be applied only when the power supply is connected. v s- -0.5v to v s+ +0.5 v differential input voltage (v id )3v inverting input current (i in- ) (c) (c) at high closed loop gains and low gain setting resistors care must be taken if large input signals are applied to the device which cause the output stage to saturate for extended periods of time. 5ma output current (continuous, t j < 110c) 60ma internal power dissipation see power dissipation derating table storage temperature range -65c to +150c operating ambient junction temperature (t jmax ) 150c package theta-ja power rating at 25'c sot23-5 195c/w 0.64w so8 168c/w 0.74w so14 120c/w 1.04w parameter min. max. unit v s dual supply voltage range 4.75 5.25 v v cmr common mode input voltage range -3 +3 v t a ambient temperature range -40 85 c g cl r f r g peaking 680 n/c 2 db 1 820 0 1000 -2db 430 430 2db 2470 470 1.5db 560 560 0
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 3 www.zetex.com ? zetex semiconductors plc 2007 dc electrical characterist ics (5v power supplies, t amb = 25c unless otherwise stated. r f = 1k , r l = 150 , c l = 10pf) test - p = production tested. c = characterized ac electrical characteristics (5v, r f = 470 , g = 2, c l = 10pf, t a = 25c, unless otherwise stated) parameter conditions test min. typ. max. unit supply voltage v+ operating range 4.75 5 5.25 v supply voltage v- operating range -5.25 -5 -4.75 v supply current/per channel p 5.0 7.5 10 ma input common mode voltage range p 3v input offset voltage p 1 10 mv output offset voltage p 2 20 mv input bias current, non-inverting input p 5 10 a input resistance p 1.5 2 6.5 m output voltage swing i out = 40ma p 3v output drive current v in = 3v p 40 ma positive psrr v+ = 0.25 p 49 57 db negative psrr v- = 0.25 p 49 57 db parameter conditions min typ max unit bw -3 bandwidth, -3db v out = 0.2v pp g = +2, r f = 470 210 mhz v out = 0.2v pp g = +1, r f = 820 210 bw 0.1 bandwidth, 0.1db v out = 0.2v pp 30 mhz sr slew rate v out = 2v pp g = +2, r f = 470 600 v/ s v out = 2v pp g = +1, r f = 820 380 t r rise time v out = 1v, 10% - 90% 5.8 t f fall time 4.6 ns t p propagation delay v out = 2v, 10% - 90% 2.6 dg differential phase, ntsc ntsc/pal, 280mv pp , dc = -1.428v to +1.428 v 0.04 % dp differential phase, ntsc 0.04
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 4 www.zetex.com ? zetex semiconductors plc 2007 applications information a typical circuit ap plication is shown in figure 1. this is suitable for 75 transmission line connections at both the input and the output and is useful for distribution of wide-band signals such as video via cables. the 75 reverse terminating resistor r4 gives the correct matching condition to a terminated video cabl e. the amplifier load is then 150 in parallel with the local feedback network. figure 1 typical video signal application ci rcuit, gain = 2 (overall gain = 1 for 75 load the wide bandwidth of this device necessitates some care in the layout of the printed circuit. a continuous ground plane is required under the devi ce and its signal connection paths, to provide the shortest possible ground return paths for si gnals and power supply filtering. a double-sided or multi-layer pcb construction is required, with plated-through via holes providing closely spaced low-inductance connections from some components to the continuous ground plane. for the power supply filtering, low inductance su rface mount capacitors are normally required. it has been found that very good rf decoupling is provided on each supply using a 1000pf npo size 0805 or smaller ceramic surf ace mount capacitor, closest to th e device pin, with an adjacent 0.1 f x7r capacitor. other configurations are po ssible and it may be found that a single 0.01 f x7r capacitor on each supply gives good results. however this should be supported by larger decoupling capacitors elsewhere on the pr inted circuit board. values of 1 to 10 f are recommended, particularly where the voltage regulators are located more than a few inches from the device. these larger capacitors are recommended to be solid tantalum electrolytic or ceramic types. note particularly that the inverting input of this current feedback type of amplifier is sensitive to small amounts of capacitance to ground which occur as part of the practical circuit board layout. this capacitance affects bandwidth, frequency response peaking and pulse overshoot. therefore to minimize this capacitance, the feedback components r2 and r3 of figure 1 should be positioned as close as possible to the inverting input connection. 470 470
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 5 www.zetex.com ? zetex semiconductors plc 2007 the frequency response and pulse response will vary according to particular values of resistors and layout capacitance. the response can be tail ored for the application to some extent by choice of the value of feedback resistor. figures 2 and 3 show the small signal unity gain and gain of 2 frequency responses. figure 2 unity gain small signal bandwidth figure 3 gain of 2 small signal bandwidth -6 -3 0 3 1 10 100 1000 frequency (mhz) gain (db) r f = 680 r f = 820 r f = 1k v in = 200mv pp v s = 5v r l = 150 t a = 25 g = 1 c l = 10pf 0 3 6 9 1 10 100 1000 frequency (mhz) gain (db) r f = 430 r f = 470 r f = 560 v in = 200mv pp v s = 5v r l = 150 t a = 25 g = 2 c l = 10pf
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 6 www.zetex.com ? zetex semiconductors plc 2007 figures 4 and 5 show the large signal unity gain of 2 frequency responses. figures 4 and 5 large signal unity gain of 2 frequency response the zxfv20x family are primarily video amplifiers; figures 6 and 7 show the ntsc/pal differential gain and phase errors at a gain of 2. figures 6 and 7 ntsc/pal differential gain and phase errors at a gain of 2 -15 -12 -9 -6 -3 0 3 6 9 1 10 100 1000 frequency (mhz) gain (db) v in = 1v pp v s = 5v r l = 150 r f = 560 t a = 25 g = 2 c l = 10pf -21 -18 -15 -12 -9 -6 -3 0 3 1 10 100 1000 frequency (mhz) gain (db) v in = 1v pp v s = 5v r l = 150 r f = 820 t a = 25 g = 1 c l = 10pf large signal g = 2 large signal g = 1 -0.03 -0.025 -0.02 -0.015 -0.01 -0.005 0 0.005 -0.72 -0.48 -0.24 0 0.24 0.48 0.72 v bias (v dc ) differential phase error v in = 280mv pp v s = 5v r l = 150 t a = 25 g = 2 c l = 10pf r f = 560 -0.01% -0.01% 0.00% 0.01% 0.01% 0.02% 0.02% 0.03% 0.03% 0.04% 0.04% 0.05% -0.72 -0.48 -0.24 0 0.24 0.48 0.72 v bias (v dc ) differential gain error v in = 280mv pp v s = 5v r l = 150 t a = 25 g = 2 c l = 10pf r f = 560 diff phase error diff gain error
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 7 www.zetex.com ? zetex semiconductors plc 2007 pinout details nc v s+ out nc zxfv202n8 single zxfv202e5 single nc in- in+ v s- v s+ -in out v s- +in v s+ out2 in2 - in2+ zxfv204 dual out1 in1 - in1+ v s- zxfv201 quad in3+ in3 - out3 out4 in4 - in4+ in2+ in2- out2 out1 in1- in1+ v s +v s - v s +v s - zxfv204 in2+ in2 - out2 out3 in3 - in3+ in1+ in1+ out1 nc nc nc zxfv203 triple zxfv204
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 8 www.zetex.com ? zetex semiconductors plc 2007 package details - so8, so14 note: controlling dimensions are in inches. approx imate dimensions are provided in millimeters dim. inches millimeters di m. inches millimeters min. max. min. max. min. max. min. max. a 0.053 0.069 1.35 1.75 l 0.016 0.050 0.40 1.27 a1 0.004 0.010 0.10 0.25 e 0.050 bsc 1.27 bsc d (8 pin) 0.189 0.197 4.80 5.00 b 0.013 0.020 0.33 0.51 d (14 pin) 0.337 0.344 8.55 8.75 c 0.008 0.010 0.19 0.25 h 0.228 0.244 5.80 6.20 0 8 0 8 e 0.150 0.157 3.80 4.00 h 0.010 0.020 0.25 0.50
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 9 www.zetex.com ? zetex semiconductors plc 2007 package outline - sot23 note: controlling dimensions are in millimeters. ap proximate dimensions are provided in inches dim. millimeters inches dim. millimeters inches min. max. min. max. min. max. max. max. a - 1.12 - 0.044 e1 1.90 nom 0.075 nom a1 0.01 0.10 0.0004 0.004 e 2.10 2.64 0.083 0.104 b 0.30 0.50 0.012 0.020 e1 1.20 1.40 0.047 0.055 c 0.085 0.120 0.003 0.008 l 0.25 0.62 0.018 0.024 d 2.80 3.04 0.110 0.120 l1 0.45 0.62 0.018 0.024 e0.95 nom0.0375 nom----- e e l e1 d a c e1 l1 a1 b 3 leads
zxfv201, zxfv202, zxfv203, zxfv204 issue 5 - may 2007 10 www.zetex.com ? zetex semiconductors plc 2007 definitions product change zetex semiconductors reserves the right to alter, without notice, specifications, design, price or conditions of supply of any product or service. customers are solely responsible for obtaining th e latest relevant information before placing orders. applications disclaimer the circuits in this design/application note are offered as desi gn ideas. it is the responsibility of the user to ensure that t he circuit is fit for the user?s application and meets with the user?s requirements. no representation or warranty is given and no liability whatsoev er is assumed by zetex with respect to the accuracy or use of such in formation, or infringement of patents or other intellectual prop erty rights arising from such use or otherwise. zetex does not assume any le gal responsibility or will not be held legally liable (whether in contract, tort (including negligence), breach of statutory duty, restricti on or otherwise) for any damages, loss of profit, business, con tract, opportunity or consequential loss in the use of th ese circuit applications, under any circumstances. life support zetex products are specifically not authorized for use as critic al components in life support devices or systems without the ex press written approval of the chief executive officer of zetex semiconductors plc. as used herein: a. life support devices or systems are devices or systems which: 1. are intended to implant into the body or 2. support or sustain life and whose failure to perform when proper ly used in accordance with instructions for use provided in t he labelling can be reasonably expected to result in significant injury to the user. b. a critical component is any component in a life support devi ce or system whose failure to pe rform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. reproduction the product specifications contained in this publication are issu ed to provide outline information only which (unless agreed by the company in writing) may not be used, applied or reproduced for any purpose or form part of any order or contract or be regarded as a representation relating to the pr oducts or services concerned. terms and conditions all products are sold subjects to zetex? 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future device intended for production at some point. samples may be available ?active? product status recommended for new designs ?last time buy (ltb)? device will be discontinued and last time buy period and delivery is in effect ?not recommended for new designs? device is still in production to support existing designs and production ?obsolete? production ha s been discontinued datasheet status key: ?draft version? this term denotes a very early datasheet ver sion and contains highly provisional information, which may change in any manner without notice. ?provisional version? this term denotes a pre-release datasheet. it provides a clear indication of anticipated performance. however, changes to the test conditions and specif ications may occur, at any time and without notice. ?issue? this term denotes an issued datasheet cont aining finalized specifications. however, changes to specifications may occur, at any time and without notice. zetex sales offices europe zetex gmbh kustermann-park balanstra?e 59 d-81541 mnchen germany telefon: (49) 89 45 49 49 0 fax: (49) 89 45 49 49 49 europe.sales@zetex.com americas zetex inc 700 veterans memorial highway hauppauge, ny 11788 usa telephone: (1) 631 360 2222 fax: (1) 631 360 8222 usa.sales@zetex.com asia pacific zetex (asia ltd) 3701-04 metroplaza tower 1 hing fong road, kwai fong hong kong telephone: (852) 26100 611 fax: (852) 24250 494 asia.sales@zetex.com corporate headquarters zetex semiconductors plc zetex technology park, chadderton oldham, ol9 9ll united kingdom telephone: (44) 161 622 4444 fax: (44) 161 622 4446 hq@zetex.com ? 2007 published by zetex semiconductors plc
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