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LTC5564 1 5564fa typical application features description ultrafast? 7ns response time 15ghz rf power detector with comparator the ltc ? 5564 is a precision, rf power detector for ap - plications in the 600mhz to 15ghz frequency range. the LTC5564 operates with input power levels from C24dbm to 16dbm. a temperature compensated schottky diode peak detector, gain-selectable operational amplifier, and fast comparator are combined in a small 16-lead 3mm 3mm qfn package. the rf input signal is peak detected and then sensed by both a comparator and amplifier. the comparator provides a 9ns response time to input levels exceeding v ref along with a latch enable/disable function. the gain selectable operational amplifier provides a 350v/s slew rate and 75mhz of demodulation bandwidth to the analog output. v outadj and v ref pins allow for the adjustment of v out offset and v comp switch point voltages, respectively. l , lt, ltc, ltm, linear technology and the linear logo are registered trademarks and ultrafast is a trademark of linear technology corporation. all other trademarks are the property of their respective owners. ? higher frequency operation is achievable with reduced performance. consult the factory for more information. applications n temperature compensated schottky rf peak detector n wide input frequency range: 600mhz to 15ghz ? n wide input power range: C24dbm to 16dbm n 7ns typical response time n 75mhz demodulation bandwidth n programmable gain settings for improved sensitivity n adjustable amplifier output offset voltage n high speed comparator with latch enable: 9ns typical response time n 16-lead 3mm 3mm qfn package n rf signal presence detectors for: 802.11a, 802.11b, 802.11g, 802.15, optical data links, wireless data modems, wireless and cable infrastructure n 5.8ghz ism band radios n mmds microwave links n pa power supply envelope tracking control n fast alarm n rf power monitor n envelope detector n ultra-wideband radio n radar detector v out vs input power 2.7ghz rfin power (dbm) ?24 0 v out output voltage (mv) 800 600 1400 1800 3400 3200 2600 ?16 ?12 ?4 0 3000 2200 400 200 1200 1000 1600 2400 2800 2000 ?20 ?8 4 8 12 16 5564 ta01b v cc = 5v t a = 25c gain8 gain4 gain2 gain1 v comp v out nc 17 2.2pf 15ghz rfin 1000pf 10pf 100pf 10pf 100pf g1 g0 5564 f05 68 1000pf 0.5pf v cc v ref v cc 1 2 3 4 16 15 14 13 12 11 10 9 8765 10k 10k 10k rfin nc gnd gnd v cca v ccp v out nc v ccrf LTC5564 v ref v comp len len v outadj v outadj g0 g1 demo board schematic optimized for 15ghz
LTC5564 2 5564fa pin configuration absolute maximum ratings supply voltages v ccrf = v cca = v ccp ............................................ 5.8v rfin voltage for v ccrf 5.5v .................... (v ccrf 2v) rfin power ......................................................... 16dbm i comp , i vout ......................................................... 10ma v outadj , v ref , v comp , v out , g0, g1, len ... C0.3v to v cc operating temperature range (note 2) .... C40c to 85c max junction temperature .................................. 125c storage temperature range .................. C65c to 150c (note 1) 16 15 14 13 5 6 7 8 top view 17 gnd ud package 16-lead (3mm 3mm) plastic qfn 9 10 11 12 4 3 2 1rfin nc gnd gnd v cca v ccp v out nc nc v ccrf v ref v comp len v outadj g0 g1 t jmax = 125c, v ja = 68c/w, v jc = 7.5c/w exposed pad (pin 17) is gnd, must be soldered to pcb order information lead free finish tape and reel part marking package description temperature range LTC5564iud#pbf LTC5564iud#trpbf lfrf 16-lead (3mm w 3mm) plastic qfn C40c to 85c consult ltc marketing for parts specified with wider operating temperature ranges. consult ltc marketing for information on non-standard lead based finish parts. for more information on lead free part marking, go to: http://www.linear.com/leadfree/ for more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/ electrical characteristics the l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at t a = 25c. supply voltage = v ccrf = v cca = v ccp = 5v, gain1, c load = 10pf, no rf input signal, unless otherwise noted. parameter conditions min typ max units supply voltage l 3.0 5.5 v supply current 44 ma amplifier characteristics v out output offset supply voltage = 5v, no rfin gain1 gain2 gain4 gain8 l l 195 195 290 295 315 360 395 395 mv mv mv mv supply voltage = 3.3v, no rfin gain1 gain2 gain4 gain8 l l 185 185 280 280 290 315 385 385 mv mv mv mv
LTC5564 3 5564fa electrical characteristics note 1: stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. exposure to any absolute maximum rating condition for extended periods may affect device reliability and lifetime. note 2: the LTC5564 is guaranteed functional within the operating temperature range from C40c to 85c. the l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at t a = 25c. supply voltage = v ccrf = v cca = v ccp = 5v, gain1, c load = 10pf, no rf input signal, unless otherwise noted. parameter conditions min typ max units v out slew rate rise/fall supply voltage = 5v, v out 10% to 90%, ?v out = 1.1v (note 3) gain1, pin = 10dbm to 16dbm gain2, pin = 4dbm gain4, pin = C2dbm gain8, pin = C8dbm 350/70 185/70 120/70 50/50 v/s v/s v/s v/s supply voltage = 3.3v, v out 10% to 90%, ?v out = 1.1v (note 3) gain1, pin = 10dbm to 16dbm gain2, pin = 4dbm gain4, pin = C2dbm gain8, pin = C8dbm 325/70 185/70 120/70 50/50 v/s v/s v/s v/s demodulation bandwidth (notes 4, 5) gain1, v out = 500mv gain2, v out = 500mv gain4, v out = 500mv gain8, v out = 500mv 75 52 35 15 mhz mhz mhz mhz v outadj input range gain1 ?v out = 100mv (note 5) 0/225 mv v out load capacitance (note 5) 10 pf v out output current sourcing, r l = 2k 1.7 ma v out response time supply voltage = 5v, rfin step to 50% v out (note 3) gain1, pin = 10dbm to 16dbm gain2, pin = 4dbm gain4, pin = C2dbm gain8, pin = C8dbm 7.0 9.0 11.0 14.0 ns ns ns ns supply voltage = 3.3v, rfin step to 50% v out (note 3) gain1, pin = 10dbm to 16dbm gain2, pin = 4dbm gain4, pin = C2dbm gain8, pin = C8dbm 7.1 9.0 11.0 14.0 ns ns ns ns v out output voltage swing supply voltage = 3v 1.4 v comparator characteristics comparator response time 10dbm to 16dbm rfin step to v comp 50% (note 3) 9 ns comparator hysteresis 10 mv i vref input current C2.3 a rf characteristics rfin frequency range (note 6) 0.6 to 15 ghz rfin ac input resistance frequency = 1000mhz, power level = 0dbm 135 rfin input shunt capacitance frequency = 1000mhz, power level = 0dbm 0.77 pf rfin input power range (note 6) C24 to 16 dbm digital i/o len v il /v ih 0.8 v cca C 0.8 v g0 v il /v ih 0.8 v cca C 0.8 v g1 v il /v ih 0.8 v cca C 0.8 v note 3: rfin step from no power to stated level. note 4: see typical curve for bandwidth vs output voltage. note 5: see applications information section. note 6: specification is guaranteed by design and not 100% tested in production.
LTC5564 4 5564fa typical performance characteristics v out offset vs temperature gain1 v out offset vs temperature gain2 v out offset vs temperature gain4 v out offset vs temperature gain8 demodulation bandwidth demodulation bandwidth vs v out v out offset vs supply voltage v out pulse response = C10dbm v out pulse response, p in = 8dbm frequency (mhz) 0.01 gain (db) 0.1 1 10 100 1000 5564 g01 ?50 30 20 10 ?10 ?20 ?30 ?40 0 v out = 500mv gain8 gain4 gain2 gain1 v cc (v) 3 v out (mv) 400 350 300 250 5 5564 g05 3.5 4 4.5 5.5 gain8 gain4 gain2 gain1 temperature (c) ?40 230 v out (mv) 250 270 290 310 350 ?20 0 20 40 60 5565 g06 80 330 v cc = 5v 3 stdev average ?3 stdev temperature (c) ?40 v out (mv) 250 270 290 310 350 ?20 0 20 40 60 5565 g07 80 330 v cc = 5v 3 stdev average ?3 stdev temperature (c) ?40 v out (mv) 270 290 310 230 250 330 350 370 410 ?20 0 20 40 60 5565 g08 80 390 v cc = 5v 3 stdev average ?3 stdev temperature (c) ?40 190 140 v out (mv) 240 340 290 390 490 440 590 ?20 0 20 40 60 5565 g09 80 540 v cc = 5v 3 stdev average ?3 stdev 10ns/div 5564 g03 v out 500mv/div ask modulated rf input signal start v cc = 5v ask modulation frequency 2.7ghz gain1 10ns/div 5564 g04 v out 50mv/div ask modulated rf input signal start v cc = 5v ask modulation frequency 2.7ghz gain1 v out (mv) 200 v out ?3db crossover (mhz) 40 50 60 500 5564 g02 30 20 0 250 300 350 400 450 10 80 70 85c 25c ?40c gain1 gain2 gain4 gain8
LTC5564 5 5564fa typical performance characteristics v out vs input power 5.8ghz v out vs input power 2.7ghz v out vs input power 10ghz supply current vs supply voltage v out vs input power 700mhz v out vs input power 1.9ghz v out vs input power 2.7ghz v out vs input power 8ghz v cc (v) 3 i cc (ma) 48 46 44 42 40 38 36 34 5 5564 g10 3.5 4 4.5 5.5 gain1, gain2 gain4, gain8 rfin power (dbm) ?24 0 v out output voltage (mv) 800 600 1400 1800 3400 3200 2600 ?16 ?12 ?4 0 3000 2200 400 200 1200 1000 1600 2400 2800 2000 ?20 ?8 4 8 12 16 5564 g11 v cc = 5v t a = 25c gain8 gain4 gain2 gain1 rfin power (dbm) ?10 0 v out output voltage (mv) 800 1600 2400 3200 ?8 ?6 ?4 ?2 0 2 4 6 8 10 5564 g12 12 14 16 400 1200 2000 2800 3600 85c v cc = 5v gain1 ?40c 25c rfin power (dbm) ?10 0 v out output voltage (mv) 400 1200 1600 2000 5564 g13 800 ?8 ?6 ?4 ?2 0 2 4 6 8 10 12 14 16 2400 2800 3200 v cc = 5v gain1 85c ?40c 25c rfin input power (dbm) ?10 v out output voltage (mv) 2400 3200 4000 6 8 10 5564 g24 1600 800 2000 2800 3600 1200 400 0 ?8 ?6 ?4 ?2 0 2 4 12 14 16 ?40c 25c 85c v cc = 5v gain1 rfin power (dbm) ?10 0 v out output voltage (mv) 800 1600 2400 3200 4800 ?6 ?2 2 6 5564 g25 10 ?8 ?4 0 4 8 12 14 16 4000 400 1200 2000 2800 4400 3600 v cc = 5v gain1 t a = 25c rfin input power (dbm) ?10 v out output voltage (mv) 1600 2000 2400 14 16 5564 g26 1200 800 0 ?4 2 8 ?8 ?2 4 10 ?6 0 6 12 400 v cc = 5v gain1 t a = 25c rfin power (dbm) ?24 v out output voltage (mv) 1600 1400 1200 1000 800 600 400 200 0 8 5564 g27 ?16 ?8 0 16 4 ?20 ?12 ?4 12 v cc = 5v gain1 t a = 25c
LTC5564 6 5564fa typical performance characteristics v out vs input power 12ghz v out vs input power 15ghz rfin power (dbm) ?10 0 200 v out output voltage (mv) 400 600 1200 1400 1600 1800 5564 g14 800 1000 ?8 ?6 ?4 ?2 0 2 4 6 8 10 12 14 16 ?40c 85c v cc = 5v gain1 25c comparator rising edge threshold vs frequency gain1 v out /rfin histogram frequency (mhz) 0 rising edge v ref (mv) 600 800 1000 2000 1400 4000 8000 5564 g16 400 1600 1800 1200 12000 16000 v cc = 5v t a = 25c rfin = 10dbm gain (v/v) 1.32 percent of units (%) 20 30 1.40 5564 g17 10 25 15 5 0 1.34 1.36 1.37 35 1.38 1.33 1.35 1.41 1.39 comparator threshold voltage vs rf input power gain2 v out /rfin histogram rfin power (dbm) ?10 0 rising threshold voltage (mv) 400 1200 1600 2000 10 14 18 3600 5564 g15 800 ?6 ?2 2 6 2400 2800 3200 v ref rising v cc = 5v t a = 25c frequency = 2.7ghz gain (v/v) 2.710 2.750 2.790 2.830 2.870 2.910 0 percent of units (%) 5 10 15 20 25 5564 g18 rfin input power (dbm) ?10 v out output voltage (mv) 800 1000 14 16 5564 g29 600 0 ?4 2 8 ?8 ?2 4 10 ?6 0 6 12 400 v cc = 5v gain1 t a = 25c v out vs input power 10ghz rfin power (dbm) ?24 v out output voltage (mv) 2400 3200 4000 4800 8 5564 g28 1600 800 2000 2800 3600 4400 1200 400 0 ?16 ?8 0 ?20 12 ?12 ?4 4 16 v cc = 5v t a = 25c gain8 gain2 gain4 gain1
LTC5564 7 5564fa typical performance characteristics gain4 v out /rfin histogram gain8 v out /rfin histogram gain2/gain1 histogram gain4/gain2 histogram gain8/gain4 histogram gain (v/v) 5.52 5.6 5.68 5.76 5.84 5.92 0 percent of units (%) 5 10 15 20 5564 g19 gain (v/v) 11.425 11.625 11.825 12.025 12.225 12.425 0 percent of units (%) 2 4 6 8 10 12 5564 g20 gain2/gain1 1.925 1.945 1.965 1.985 2.005 2.025 0 percent of units (%) 5 30 35 20 25 10 15 40 45 5564 g21 gain4/gain2 1.980 2.005 2.030 2.055 2.080 2.105 0 percent of units (%) 5 10 15 30 35 20 25 40 5564 g22 gain8/gain4 2.045 2.065 2.085 2.105 2.125 2.145 0 percent of units (%) 5 10 15 5564 g23
LTC5564 8 5564fa pin functions rfin (pin 1): rf input voltage. a coupling capacitor must be used to connect to the rf signal source. this pin has an internal 250 termination, an internal schottky diode detector and an internal 8pf reservoir capacitor. nc (pins 2, 9, 16): no connect. these pins should be left unconnected by the user for best rf performance. gnd (pins 3, 4, exposed pad pin 17): these pins should be tied to system ground. see applications information for best practices. len (pin 5): comparator latch enable input. v comp will be latched when len is high and transparent when len is low. v outadj (pin 6): amplifier output offset adjust. when left floating, the v out pin of the amplifier will be at its nominal quiescent output offset value. see the applications infor - mation section for adjustment range. g0, g1 (pins 7, 8): amplifier gain selection. logic low or high levels on the g0 and g1 pins will change the internal amplifier gain, bandwidth and slew rate characteristics. see the applications information section for gain setting codes. v out (pin 10): detector amplifier output. v ccp (pin 11): high current power supply pin. v cca (pin 12): analog power supply pin. v comp (pin 13): comparator output. v ref (pin 14): comparator negative input. apply an ex - ternal reference voltage to this pin. v ccrf (pin 15): rf power supply pin. figure 1. simplified block diagram simplified block diagram rfin v ccrf v cca v ccp 8pf 250 1.2k 1.6k 1.7k 200 200 80a v outadj v bias len v comp v ref v out v p + ? + ? + ? g1 pins 3, 4, exposed pad pin 17 g0 5564 f01 programmable feedback array
LTC5564 9 5564fa applications information operation the LTC5564 is a fast rf detector with a high speed amplifier and comparator. this product integrates these functions to provide rf detection over frequencies ranging from 600mhz to 15ghz. these functions include an rf schottky peak detector, internally compensated operational amplifier, and a comparator as shown in figure 1. the LTC5564 has selectable amplifier gains, amplifier output offset adjustment and comparator latch enable capabilities. amplifier the high speed amplifier offers four gain settings and is capable of driving a 1.7ma load with an output swing range of approximately 295mv to v cc C 1.6v. see table 1 for gain setting operation. the v outadj pin provides output dc offset adjustment to satisfy various interface requirements. setting v out to 500mv also provides the maximum demodulation bandwidth in each gain mode. see electrical and typical performance characteristics curve. see table 1 for the v p v comp v out transparent v out transparent 5564 f02 v out latched len v ref figure 2. LTC5564 comparator latch enable function typical v outadj voltage for the desired v out dc output offset in each gain setting. rf detector the internal temperature compensated schottky diode peak detector converts the rf input signal to a low frequency signal. the detector demonstrates excellent efficiency and linearity over a wide range of input power levels. the schottky diode is nominally biased at 180a and drives a parallel reservoir capacitor-resistor network of 8pf and 1.2k. comparator the high speed comparator compares the external refer - ence voltage on the v ref pin to the internal signal voltage v p from the peak detector and produces the output logic signal v comp . v p is the internal comparator positive input as shown in figure 1. len provides latch enable/disable functionality as shown in figure 2. table 1. gain mode and typical v outadj operation pin gain mode description required v outadj for a given dc output offset g1 g0 gnd gnd gain1 minimum gain setting (v out /rfin 1.5db) v outadj = 0.95 ? v out C 0.174 gnd v cca gain2 v out /rfin increased 6db v outadj = (v out C 0.07)/2.10 v cca gnd gain4 v out /rfin increased 12db v outadj = (v out + 0.05)/3.16 v cca v cca gain8 v out /rfin increased 18db v outadj = (v out + 0.25)/5.26 note: valid range for v out 0.195v v out v cc C 1.6
LTC5564 10 5564fa propagation delay, slew rate and response time the LTC5564 has been designed for high slew rate op - eration. for rf input power levels of 10dbm to 16dbm and a gain1 setting, the internal amplifier will slew at 350v/s. in a given gain setting slew rate will be maximized for larger input power levels. slew rate will degrade with smaller rfin amplitude signals or when the amplifier gain is increased. see electrical characteristics. the LTC5564 has been designed to function as a positive peak detector. consequently, the device responds to a rising signal at the rf detector input much more rapidly than a falling signal. correspondingly, the rising edge of v out transitions much more rapidly than the falling edge transitions as shown in figure 3. when operating in unity gain with a 10dbm to 16dbm rf input signal, the propagation delay to fifty percent ?v out is approximately 7.0ns. the operational amplifier has been internally compensated to provide 75mhz bandwidth with v out = 500mv and a gain1 mode setting. with no rf input the output offset will be approximately 290mv. lowering the output offset will degrade bandwidth performance. see the typical performance characteristics. applications information loading, bypass capacitors and board layout the LTC5564 has been designed to directly drive a capaci - tive load of 10pf at v out . when driving a capacitive load greater than 10pf a series resistance should be added between v out and the load to maintain good stability. this resistance should be placed as close to v out as possible. see table 2 for typical series resistor values for various capacitive loads. table 2. typical series resistor values for v out capacitive loading c load r series up to 10pf 0 11pf to 20pf 40 21pf to 100pf 68 greater than 100pf 100 good layout practice and proper use of bypass capacitors will improve circuit performance and reduce the possibility of measurement error. bypass capacitors should be used for pins v ccrf , v cca , v ccp , v outadj and v ref . bypass capacitors should be connected as close to the LTC5564 as possible. all ground return path lengths and ohmic losses should be minimized. see figure 5 in the applica - tions information section for the demo board schematic showing these bypass capacitances. the LTC5564 return path for all supply currents is through the pin 17 exposed pad. a high resistance path from the pin 17 exposed pad to power supply ground will cause a v out output offset error. board layout and connections that minimize ohmic losses from the pin 17 exposed pad to power supply ground will reduce this error. measure - ments being made relative to LTC5564 ground should be made as close to the pin 17 exposed pad to reduce errors. figure 3. v out pulse response, p in = 8dbm 10ns/div 5564 f03 v out 500mv/div ask modulated rf input signal start v cc = 5v ask modulation frequency 2.7ghz gain1
LTC5564 11 5564fa applications information figure 4. 600mhz to 15ghz power detector + rfin v ccp v ccrf v cca gnd v out g1 v comp detect overvoltage event v ref g0 len 5564 f04 LTC5564 10 detect voltage 8 714513 1 11 15 12 3, 4, 17 from rf matching network/antenna v cc 47pf 10pf 1000pf c figure 5. demo board schematic optimized for 15ghz v comp v out nc 17 2.2pf 15ghz rfin 1000pf 10pf 100pf 10pf 100pf g1 g0 5564 f05 68 1000pf 0.5pf v cc v ref v cc 1 2 3 4 16 15 14 13 12 11 10 9 8765 10k 10k 10k rfin nc gnd gnd v cca v ccp v out nc v ccrf LTC5564 v ref v comp len len v outadj v outadj g0 g1 applications the LTC5564 can be used as a self-standing signal strength measurement receiver for a wide range of input signals from C24dbm to 16dbm and frequencies from 600mhz to 15ghz. in addition to power detection, the LTC5564 may be used as a demodulator for am and ask modulated signals. depending on the application the rssi may be split into two branches to provide ac-coupled data (e.g., audio) and a dc-coupled rssi output for signal strength measure - ment and agc.
LTC5564 12 5564fa package description ud package 16-lead plastic qfn (3mm 3mm) (reference ltc dwg # 05-08-1691) 3.00 0.10 (4 sides) recommended solder pad pitch and dimensions 1.45 0.05 (4 sides) note: 1. drawing conforms to jedec package outline mo-220 variation (weed-2) 2. drawing not to scale 3. all dimensions are in millimeters 4. dimensions of exposed pad on bottom of package do not include mold flash. mold flash, if present, shall not exceed 0.15mm on any side 5. exposed pad shall be solder plated 6. shaded area is only a reference for pin 1 location on the top and bottom of package pin 1 top mark (note 6) 0.40 0.10 bottom view?exposed pad 1.45 0.10 (4-sides) 0.75 0.05 r = 0.115 typ 0.25 0.05 1 pin 1 notch r = 0.20 typ or 0.25 45 chamfer 15 16 2 0.50 bsc 0.200 ref 2.10 0.05 3.50 0.05 0.70 0.05 0.00 ? 0.05 (ud16) qfn 0904 0.25 0.05 0.50 bsc package outline
LTC5564 13 5564fa information furnished by linear technology corporation is believed to be accurate and reliable. however, no responsibility is assumed for its use. linear technology corporation makes no representa - tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. revision history rev date description page number a 02/11 replaced and renamed typical application drawing added new curves to typical performance characteristics revised figure 5 1 5, 6 11
LTC5564 14 5564fa linear technology corporation 1630 mccarthy blvd., milpitas, ca 95035-7417 (408) 432-1900 fax : (408) 434-0507 www.linear.com linear technology corporation 2010 lt 0311 rev a ? printed in usa related parts typical application 600mhz to 15ghz rf power detector part number description comments schottky peak detectors ltc5505 rf power detectors with >40db dynamic range 300mhz to 3ghz, temperature compensated, 2.7v to 6v supply ltc5507 100khz to 1000mhz rf power detector 100khz to 1ghz, temperature compensated, 2.7v to 6v supply ltc5508 300mhz to 7ghz rf power detector 44db dynamic range, temperature compensated, sc70 package ltc5509 300mhz to 3ghz rf power detector 36db dynamic range, low power consumption, sc70 package ltc5530 300mhz to 7ghz precision rf power detector precision v out offset control, shutdown, adjustable gain ltc5531 300mhz to 7ghz precision rf power detector precision v out offset control, shutdown, adjustable offset ltc5532 300mhz to 7ghz precision rf power detector precision v out offset control, adjustable gain and offset ltc5536 precision 600mhz to 7ghz rf power detector with fast comparator output 25ns response time, comparator reference input, latch enable input, C26dbm to +12dbm input range rf log detectors lt5534 50mhz to 3ghz log rf power detector with 60db dynamic range 1db output variation over temperature, 38ns response time, log linear response lt ? 5537 wide dynamic range log rf/if detector low frequency to 1ghz, 83db log linear dynamic range lt5538 75db dynamic range 3.8ghz log rf power detector 0.8db accuracy over temperature rms detectors lt5570 60db dynamic range rms detector 40mhz to 2.7ghz, 0.5db accuracy over temperature ltc5581 6ghz rms power detector, 40db dynamic range 1db accuracy over temperature, log linear response, 1.4ma at 3.3v ltc5587 10mhz to 6ghz rms detector with digitized output 40db dynamic detection range, integrated 12-bit serial output adc, 1db accuracy over temperature ltc5582 10ghz, 57db dynamic range rms detector 40mhz to 10ghz operation, 0.5db linearity single-ended rf output requires no external balun transformer ltc5583 6ghz, matched dual rms detector measures vswr up to 60db dynamic range, 0.5db accuracy over temperature, 40db channel-to-channel isolation with single-ended rf inputs + rfin v cca v ccrf v ccp gnd v outadj v out g1 v comp v ref g0 len 5564 ta02 LTC5564 rf input v cc 33pf 10pf 1000pf c

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