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fhp3350, fhp3450 rev. 1.0.3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers december 2006 typical application C driving dual video loads ordering information part number package lead free operating temp range packaging method fhp3350imtc14x tssop-14 yes -40c to +85c reel fhp3350im14x soic-14 yes -40c to +85c reel fhp3450imtc14x tssop-14 yes -40c to +85c reel fhp3450im14x soic-14 yes -40c to +85c reel moisture sensitivity level for all parts is msl-1. +i n ou t +v s -v s r g r f 75 ? 75 ? cabl 75 ? cabl e 75 ? 75 ? ou t 75 ? cabl e 75 ? 75 ? e fhp3350, fhp3450 triple and quad voltage feedback amplifers features 0.1db gain fatness to 30mhz 0.07%/0.03 differential gain/phase error 210mhz full power -3db bandwidth at g = 2 1,100v/s slew rate 55ma output current (drives dual video load) 83ma output short - circuit current output swings to within 1.3v of either rail 3.6ma supply current per amplifer minimum stable gain of 3db or 1.5v/v fhp3350 - improved replacement for rc6333 fhp3450 - improved replacement for rc6334 fully specifed at +5v, and 5v supplies applications video driver rgb driver adc buffer s-video amp active flters description the fhp3350 and fhp3450 are low-cost, high-performance, voltage-f eedback amplifers designed for video applications. these triple and quad amplifers consume only 3.6ma of supply current per channel and are capable of driving dual (75 ) video loads while providing 0.1db of gain fatness to 30mhz. consumer video applications also beneft from the low 0.07% differential gain and 0.03 differential phase errors. the fhp3350 offers three outputs that can be put into a high-impedance disable state to allow for video multiplexing or minimize power consumption. these amplifers are designed to operate from 5v (2.5v) to 12v (6v) supplies. the outputs swing to within 1.3v of either supply rail to accommodate video signals on a single 5v supply. the fhp3350 and fhp3450 are designed on a complementary bipolar process. they provide 210mhz of full-power bandwidth and 1,100v/ s of slew rate at a supply voltage of 5v. the combination of high performance, low power, and excellent video performance make these amplifers well suited for use in many digital consumer video appliances as well as many general- purpose, high-speed applications.
fhp3350, fhp3450 rev. 1.0.3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers fhp3350 pin confgurations fhp3450 pin confgurations fhp3350 pin assignments pin# pin description 1 nc or disable1 channel 1 enabled if pin is left open or pulled above v on , disabled if pin is ground - ed or pulled below v off 2 nc or disable2 channel 2 enabled if pin is left open or pulled above v on , disabled if pin is ground - ed or pulled below v off 3 nc or disable3 channel 3 enabled if pin is left open or pulled above v on , disabled if pin is ground - ed or pulled below v off 4 +vs positive supply 5 +in1 positive input, channel 1 6 -in1 negative input, channel 1 7 out1 output, channel 1 8 out3 output, channel 3 9 -in3 negative input, channel 3 10 +in3 positive input, channel 3 11 -vs negative supply 12 +in2 positive input, channel 2 13 -in2 negative input, channel 2 14 out2 output, channel 2 fhp3450 pin assignments pin# pin description 1 out1 output, channel 1 2 -in1 negative input, channel 1 3 +in1 positive input, channel 1 4 +vs positive supply 5 +in2 positive input, channel 2 6 -in2 negative input, channel 2 7 out2 output, channel 2 8 out3 output, channel 3 9 -in3 negative input, channel 3 10 +in3 positive input, channel 3 11 -vs negative supply 12 +in4 positive input, channel 4 13 -in4 negative input, channel 4 14 out4 output, channel 4 2 3 4 1 1 12 13 14 out 4 1 out1 fhp3450 tssop-14 6 7 5 8 9 10 +vs +in2 -in2 out2 -in4 +in4 -v s +in3 -in3 out 3 -in1 +in1 2 3 4 1 1 12 13 14 out2 1 nc or disable1 fhp335 0 tssop-14 6 7 5 8 9 10 +vs +in1 -in1 out 1 -in2 +in2 -vs +in3 -in3 out3 nc or disable2 nc or disable3
fhp3350, fhp3450 rev. 1.0.3 3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers absolute maximum ratings the absolute maximum ratings are those values beyond which the safety of the device cannot be guaranteed. the device should not be operated at these limits. the parametric values defned in the electrical characteristics tables are not guaranteed at the absolute maximum ratings. the recommended operating conditions table defnes the conditions for actual device operation. parameter min. max. unit supply voltage 0 12.6 v input voltage range -v s - 0.5v +v s +0.5v v reliability information parameter min. typ. max. unit junction temperature 150 c storage temperature range -65 150 c lead temperature (soldering, 10s) 300 c 14-lead tssop 1 160 c/w 14-lead soic 1 148 c/w note: 1. package thermal resistance ( ja ), jdec standard, multi-layer test boards, still air. assumed power is concentrated in one channel, ja is lower if power is distributed in all channels. esd protection esd protection fhp3350 fhp3450 package soic tssop soic tssop human body model (hbm) 2kv 2kv 2kv 2kv charged device model (cdm) 2kv 2kv 2kv 1.5kv machine model (mm) 250v 250v tbd tbd recommended operating conditions parameter min. typ. max. unit operating temperature range -40 +85 c supply voltage range 3 12 v
fhp3350, fhp3450 rev. 1.0.3 4 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers electrical characteristics at +5v t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. symbol parameter conditions min. typ. max. units frequency domain response bw ss -3db bandwidth no peaking, g = +2, v out = 0.2v pp 190 mhz bw ls full-power bandwidth no peaking, g = +2, v out = 2v pp 190 mhz bw 0.1db 0.1db gain flatness - large signal g = +2, v out = 2v pp 35 mhz time domain response t r , t f rise and fall time v out = 0.2v step 2.0 ns t s settling time to 0.1% v out = 2v step 20 ns os overshoot v out = 0.2v step 2.5 % sr slew rate 2v step. g = -1 800 v/s distortion/noise response hd2 2nd harmonic distortion v out = 2v pp , 5mhz -70 dbc hd3 3rd harmonic distortion v out = 2v pp , 5mhz -80 dbc thd total harmonic distortion v out = 2v pp , 5mhz -69 db dg differential gain ntsc (3.58mhz); ac coupled 0.08 % dp differenital phase ntsc (3.58mhz); ac coupled 0.02 e n input voltage noise > 100khz 8.5 nv/hz i n input current noise > 100khz 1 pa/hz x talk crosstalk at 5mhz -70 db dc performance v io input offset voltage 1 mv dv io average drift 10 v/c i bn input bias current 50 na di bn average drift 0.33 na/c i io input offset current 50 na psrr power supply rejection ratio dc 75 db a ol open loop gain dc 55 db i s supply current per amplifer 3.0 ma i sd disable supply current per amp disable mode 35 a disable characteristics off iso off isolation 5mhz -60 db offc out off output capacitance 3 pf ch iso channel-to-channel isolation 5mhz -85 db t on turn-on time 300 ns t off turn-off time 80 ns v off power down input voltage disable pins; disabled if pin is grounded or pulled below v off +v s - 3.1 v v on enable input voltage disable pins; enabled if pin is left open or pulled above v on +v s - 1.9 v
fhp3350, fhp3450 rev. 1.0.3 5 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers electrical characteristics at +5v (continued) t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. symbol parameter conditions min. typ. max. units input characteristics r in input resistance 70 m c in input capacitance 1 pf cmir input common mode voltage range 1.2 to 3.8 v cmrr common mode rejection ratio dc, v cm = 1.5v to 3.5v 90 db output characteristics v o output voltage swing r l = 2k to v s /2 1 to 4 v r l = 150 to v s /2 1.1 to 3.9 v i out linear output current v o = +v s /2 50 ma i sc short-circuit output current v o = shorted to +v s or gnd 75 ma
fhp3350, fhp3450 rev. 1.0.3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers electrical characteristics at 5v t a = 25c, v s = 5v, r f = 249, r l = 150 to gnd, g = 2; unless otherwise noted. symbol parameter conditions min. typ. max. units frequency domain response bw ss -3db bandwidth no peaking, g = +2, v out = 0.2v pp 210 mhz bw ls full-power bandwidth no peaking, g = +2, v out = 2v pp 210 mhz bw 0.1db 0.1db gain flatness - large signal g = +2, v out = 2v pp 30 mhz bw 0.1dbss 0.1db gain flatness - small signal g = +2, v out = 0.2v pp 50 mhz time domain response t r , t f rise and fall time v out = 0.2v step 2 ns t s settling time to 0.1% v out = 2v step 20 ns os overshoot v out = 0.2v step 1 % sr slew rate 2v step. g = -1 1100 v/s distortion / noise response hd2 2nd harmonic distortion v out = 2v pp , 5mhz -70 dbc hd3 3rd harmonic distortion v out = 2v pp , 5mhz -74 dbc thd total harmonic distortion v out = 2v pp , 5mhz -68 db dg differential gain ntsc (3.58mhz); ac coupled 0.07 % dp differenital phase ntsc (3.58mhz); ac coupled 0.03 e n input voltage noise > 100khz 9 nv/hz i n input current noise > 100khz 1 pa/hz x talk crosstalk at 5mhz -71 db dc performance v io input offset voltage 1 -7 1 7 mv dv io average drift 15 v/c i bn input bias current 1 -500 100 500 na di bn average drift 0.3 na/c i io input offset current 1 -500 50 500 na psrr power supply rejection ratio 1 dc 58 75 db a ol open loop gain 1 dc 52 58 db i s supply current per amplifer 1 3.6 5 ma i sd disable supply current per amp 1 disable mode 45 100 a disable characteristics off iso off isolation 5mhz -65 db offc out off output capacitance 3 pf ch iso channel-to-channel isolation 5mhz -85 db t on turn-on time 300 ns t off turn-off time 80 ns v off power down input voltage disable pins; disabled if pin is grounded or pulled below v off +v s - 3.1 v v on enable input voltage disable pins; enabled if pin is left open or pulled above v on +v s - 1.9 v notes: 1. 100% tested at 25c
fhp3350, fhp3450 rev. 1.0.3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers electrical characteristics at 5v (continued) t a = 25c, v s = 5v, r f = 249, r l = 150 to gnd, g = 2; unless otherwise noted. symbol parameter conditions min typ max units input characteristics r in input resistance 70 m c in input capacitance 0.6 pf cmir input common mode voltage range -3.8 to 3.8 v cmrr common mode rejection ratio 1 dc, v cm = -3.5v to 3.5v 58 98 db output characteristics v o output voltage swing r l = 2k 4 v r l = 150 1 3.2 3.7 v i out linear output current v o = 0v 55 ma i sc short-circuit output current v o shorted to gnd 83 ma notes: 1. 100% tested at 25c
fhp3350, fhp3450 rev. 1.0.3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers 4 normalized gain (db) 0.1 frequency (mhz) 2 0 -2 -4 -6 -8 -10 -12 1000 100 10 1 g = 10 g = 5 g = 1.5 g = 2 v o = 0.2v pp 1 normalized gain (db) 0.1 frequency (mhz) 0 -1 -2 -3 -4 -5 -6 -7 1000 100 10 1 g = -1 g = -10 g = -5 g = -2 v o = 0.2v pp 3 normalized gain (db) 0.1 frequency (mhz) 0 -3 -6 -9 -12 -15 -18 -21 1000 100 10 1 g = 10 g = 5 g = 1.5 g = 2 v o = 0.2v pp 1 normalized gain (db) 0.1 frequency (mhz) 0 -1 -2 -3 -4 -5 -6 -7 1000 100 10 1 g = -1 g = -10 g = -5 g = -2 v o = 0.2v pp typical performance characteristics t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. figure 3. non-inverting freq. response (+5v) figure 4. inverting freq. response (+5v) figure 1. non-inverting freq. response (5v) figure 2. inverting freq. response (5v) 3 normalized gain (db) 0.1 frequency (mhz) 0 -3 -6 -9 -12 -15 -18 -21 1000 100 10 1 c l = 500pf r s = 10 ? c l = 1000pf r s = 7 ? c l = 2000pf r s = 5 ? v o = 0.2v pp 1 normalized gain (db) 0.1 frequency (mhz) 0 -1 -2 -3 -4 -5 -6 -7 -8 1000 100 10 1 r l = 50 r l = 150 r l = 1k v o = 0.2v pp c l = 50pf r s = 30 ? c l = 100pf r s = 20 ? + - 1k ? 1k ? r s c l r l figure 5. frequency response vs. c l (+5v) figure 6. frequency response vs. r l (+5v)
fhp3350, fhp3450 rev. 1.0.3 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers 1 normalized gain (db) 0.1 frequency (mhz) 0 -1 -2 -3 -4 -5 -6 -7 1000 100 10 1 v o = 1v pp v o = 4v pp v o = 2v pp 1.0 normalized gain (db) 0.1 frequency (mhz) 0.75 0.50 0.25 0.1db -0.1db 0 -0.25 -0.50 -0.75 -1.0 1000 100 10 1 v s = 5v v o = 0.2v pp v s = 5v v o = 2v pp v s = 5v v o = 0.2v pp -45 hd2 (dbc) 0.1 frequency (mhz) -50 -55 -60 -65 -70 -75 -80 -85 -90 -95 10 1 v o = 2v pp r l = 150 r l = 1k -45 hd3 (dbc) 0.1 frequency (mhz) -50 -55 -60 -65 -70 -75 -80 -85 -90 -95 10 1 v o = 2v pp r l = 150 r l = 1k typical performance characteristics t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. -45 hd2 (dbc) 0.5 output amplitude (v pp ) -50 -55 -60 -65 -70 -75 -80 -85 -90 -95 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 1mhz 5mhz 10mhz 30mhz -45 hd3 (dbc) 0.5 output amplitude (v pp ) -50 -55 -60 -65 -70 -75 -80 -85 -90 -95 0.7 0.9 1.1 1.3 1.5 1.7 1.9 2.1 2.3 2.5 1mhz 5mhz 10mhz 30mhz figure 9. hd2 vs. frequency (5v) figure 10. hd3 vs. frequency (5v) figure 7. large signal freq. response (5v) figure 8. gain flatness vs. frequency figure 11. hd2 vs. v o (5v) figure 12. hd3 vs. v o (5v)
fhp3350, fhp3450 rev. 1.0.3 10 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers 90 cmrr (db) 10k frequency (mhz) 80 70 60 50 40 30 20 100k 1 1 0 100 +5v 5v psrr (db) 10k frequency (mhz) 90 80 70 60 50 40 30 100k 1 1 0 100 +5v , 5v 100 90 80 70 60 50 40 30 20 10 input v oltage noise (nv/hz) 0.0001 0.001 0.01 0.1 1 1 0 frequency (mhz) 0 100 80 70 60 50 40 30 20 10 0 -10 open loop gain (db) 10k 100k 1 1 0 100 1000 frequency (mhz) -20 0 -20 -40 -60 -80 -100 -120 -140 -160 -180 open loop phase () -200 phase v s = +5v + 5v gain typical performance characteristics t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. -35 crosstalk (db) 0.1 frequency (mhz) -85 100 10 1 0.25 vo ltage (v) 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 t ime (ns) 0.20 0.15 0.10 0.05 -0.05 0 -40 -45 -50 -55 -60 -65 -70 -75 -80 +5v 5v figure 15. open loop gain & phase vs. freq. figure 16. input voltage noise (+5v) figure 13. cmrr vs. frequency figure 14. psrr vs. frequency figure 17. crosstalk vs. frequency (+5v) figure 18. small signal pulse response (+5v)
fhp3350, fhp3450 rev. 1.0.3 11 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers 0.25 vo ltage (v) ti me (ns) 0.20 0.15 0.10 0.05 0 2.5 vo ltage (v) 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 ti me (ns) 2.0 1.5 1.0 0.5 0 -0.05 -0.5 2.25 2.0 1.75 1.50 1.25 1.0 0.75 0.50 0.25 0 vo ltage (v) 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 100 ti me (ns) -0.25 4.5 4.0 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 vo ltage (v) t ime (ns) -0.5 typical performance characteristics t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. 0.04 0.03 0.02 0.01 0 -0.01 -0.02 -0.03 dif ferential gain (%) -0.35 -0.25 -0.15 -0.05 0.05 0.15 0.25 0.35 input v oltage (v ) -0.04 0.04 0.03 0.02 0.01 0 -0.01 -0.02 -0.03 dif ferential phase () -0.04 gain phase ntsc - ac coupled into 220f 0.08 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 dif ferential gain (%) -0.35 -0.25 -0.15 -0.05 0.05 0.15 0.25 0.35 input v oltage (v ) -0.08 0.08 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 dif ferential phase () -0.08 gain phase ntsc - dc coupled figure 21. large signal pulse response (5v) figure 22. large signal pulse response (5v) figure 19. large signal pulse response (+5v) figure 20. small signal pulse response (5v) figure 23. differential gain and phase (2.5v) figure 24. differential gain and phase (2.5v)
fhp3350, fhp3450 rev. 1.0.3 1 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers typical performance characteristics t a = 25c, v s = 5v, r f = 249, r l = 150 to v s /2, g = 2; unless otherwise noted. figure 27. enable/disable response (2.5v) figure 28. channel-to-channel isolation (+5v) figure 25. differential gain and phase (5v) figure 26. differential gain and phase (5v) figure 29. off isolation (+5v) figure 30. off output impedance (+5v) 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 dif ferential gain (%) -0.7 -0.5 -0.3 -0.1 0.1 0.3 0.5 0.7 input v oltage (v ) -0.08 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 dif ferential phase () -0.08 gain phase ntsc - ac coupled 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 dif ferential gain (%) -0.7 -0.5 -0.3 -0.1 0.1 0.3 0.5 0.7 input v oltage (v ) -0.08 0.06 0.04 0.02 0 -0.02 -0.04 -0.06 dif ferential phase () -0.08 phase ntsc - dc coupled gain 3 2 1 0 -1 -2 disable (v) 0 2 4 6 8 10 12 14 16 18 20 t ime (s) -3 0.15 0.1 0.05 0 -0.05 -0.1 output (v) -0.1 5 -40 isolation (db) 0.1 1 1 0 100 frequency (mhz) -90 -85 -80 -75 -70 -65 -60 -55 -50 -45 measuring ch3 with 0.2v pp on ch1 measuring ch1 with 0.2v pp on ch3 output disable -3 5 of f isolation (db) 0.1 1 1 0 100 frequency (mhz) -8 5 -8 0 -7 5 -7 0 -6 5 -6 0 -5 5 -5 0 -4 5 -4 0 any channel 210 of f output impedance (db ? ) 10k 100k 1 1 0 100 frequency (mhz) 10 30 50 70 90 110 130 150 170 190 v s = 5v & 5v (120db ? = 1m ? )
fhp3350, fhp3450 rev. 1.0.3 13 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers applications information general description the fhp3350 and fhp3450 are low-cost, high-performance, voltage feedback amplifers designed for video applications. these triple and quad amplifers consume only 3.6ma of supply current per channel and are capable of driving dual (75) video loads while providing 0.1db of gain fatness to 30mhz. consum - er video applications also beneft from the low 0.07% differential gain and 0.03 differential phase errors. the fhp3350 offers three outputs that can be put into a high-impedance disable state to allow for video multiplexing or minimize power consumption. these amplifers are designed to operate from 5v (2.5v) to 12v (6v) supplies. the outputs swing to within 1.3v of either supply rail to accommodate video signals on a single 5v supply. the fhp3350 and fhp3450 are designed on a complementary bipolar process. they provide 210mhz of full-power bandwidth and 1,100v/ s of slew rate at a supply voltage of 5v. the combi - nation of high performance, low power, and excellent video per - formance make these amplifers well suited for use in many digi - tal consumer video appliances as well as many general-purpose, high-speed applications. driving capacitive loads the frequency response vs. c l plot on page 8, illustrates the response of the fhp3350 family. a small series resistance (r s ) at the output of the amplifer, illustrated in figure 1, will improve stability and settling performance. r s values in the frequency response vs. c l plot were chosen to achieve maximum band - width with less than 1db of peaking. for maximum fatness, use a larger r s . figure 31. typical topology for driving capacitive loads power dissipation the maximum internal power dissipation allowed is directly related to the maximum junction temperature. if the maximum junction temperature exceeds 150c for an extended time, device failure may occur. the fhp3350 and fhp3450 are short circuit protected. however, this may not guarantee that the maximum junction temperature (+150c) is not exceeded under all conditions. rms power dissipation can be calculated using the following equation: power dissipation = i s * (v s + - v s -) + (v s + - v o(rms) ) * i out(rms) where i s is the supply current, v s + is the positive supply pin volt - age, v s - is the negative supply pin voltage, v o(rms) is the rms out - put voltage and i out(rms) is the rms output current delivered to the load. follow the maximum power derating curves shown in fig - ure 32 below to ensure proper operation. figure 32. maximum power derating overdrive recovery for an amplifer, an overdrive condition occurs when the output and/or input ranges are exceeded. the recovery time varies based on whether the input or output is overdriven and by how much the ranges are exceeded. the fhp3350/3450 will typically recover in less than 50ns from an overdrive condition. figure 33 shows the fhp3350 in an overdriven condition. figure 33. overdrive recovery r g r f r s c l r l r g r f r s c l r l 1.4 1.2 1.0 0.8 0.6 0.4 0.2 maximum power dissipation (w) -40 ambient t emperature (c) 0 -20 0 20 40 60 80 tssop-14 soic-14 1.4 1.2 1.0 0.8 0.6 0.4 0.2 maximum power dissipation (w) -40 ambient t emperature (c) 0 -20 0 20 40 60 80 tssop-14 soic-14 2 amplitude (v) 0 1 t ime (s) -2 vs = 2.5v g = +5 input output 0.1 02 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.5 1 0.5 0 -0.5 -1 -1.5 2 amplitude (v) 0 1 t ime (s) -2 vs = 2.5v g = +5 input output 0.1 02 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.5 1 0.5 0 -0.5 -1 -1.5
fhp3350, fhp3450 rev. 1.0.3 14 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers layout considerations general layout and supply bypassing play major roles in high fre - quency performance. fairchild has evaluation boards to use as a guide for high frequency layout and as aid in device testing and characterization. follow the steps below as a basis for high fre - quency layout: ? include 6.8 f and 0.01 f ceramic capacitors ? place the 6.8 f capacitor within 0.75 inches of the power pin ? place the 0.01 f capacitor within 0.1 inches of the power pin ? remove the ground plane under and around the part, especially near the input and output pins to reduce parasitic capacitance ? minimize all trace lengths to reduce series inductances refer to the evaluation board layouts below for more information. evaluation board information the following evaluation boards are available to aid in the testing and layout of these devices: evaluation board # products keb019 fhp3350im14x keb020 fhp3350imtc14x keb012 fhp3450imtc14x keb018 fhp3450im14x evalutaion board schematics figure 34. fhp3350 keb019/keb020 schematic figure 35. fhp3350 keb019 (top side) figure 36. fhp3350 keb019 (bottom side) 1 ro ut 1 rf 1 rin1 rg1 in1 disable 1 out1 2 ro ut 2 rf 2 rin2 rg2 in2 disable 2 out2 3 ro ut 3 rf 3 rin3 rg3 in3 disable 3 out3 1 ro ut 1 rf 1 rin1 rg1 in1 disable 1 out1 2 ro ut 2 rf 2 rin2 rg2 in2 disable 2 out2 3 ro ut 3 rf 3 rin3 rg3 in3 disable 3 out3
fhp3350, fhp3450 rev. 1.0.3 15 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers figure 37. fhp3350 keb020 (top side) figure 38. fhp3350 keb020 (bottom side) figure 39. fhp3450 keb012/keb018 schematic figure 40. fhp3450 keb012 (top side)
fhp3350, fhp3450 rev. 1.0.3 1 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers figure 41. fhp3450 keb012 (bottom side) figure 42. fhp3450 keb018 (top side) figure 43. fhp3450 keb018 (bottom side)
fhp3350, fhp3450 rev. 1.0.3 1 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers mechanical dimensions 14-lead thin shrink small outline package (tssop), jedec mo-153, 4.4mm wide package number mtc14 revd
fhp3350, fhp3450 rev. 1.0.3 1 www.fairchildsemi.com fhp3350, fhp3450 triple and quad voltage feedback amplifers mechanical dimensions 14-lead small outline package (soic) number m14a revl
? 200 6 fairchild semiconductor corporation www.fairchildsemi.com fhp3350, fhp3450 rev. 1.0.3 15

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