for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 1 hmc799lp3e v01.1009 functional diagram electrical specifcations, t a = +25 c, vcc1 = vcc2 = vcc3 = +5v the hmc799lp3e is ideal for: ? laser sensor ? fddi receiver ? catv fm analog receiver ? wideband gain block ? low noise rf applications 10 kohm transimpedance very low noise: 150na input rms noise over 700 mhz bandwidth 700 mhz analog bandwidth wide dynamic range: +65 db low power: 70ma from single +5v supply 16 lead 3x3 mm smt package: 9mm2 the hmc799lp3e is dc to 700 mhz transimpe- dance amplifer designed for opto-electronic laser sensor applications, fddi receivers and receiver systems employing optical to electrical conversion. this amplifer provides a single-ended output voltage that is proportional to an applied current at its input port. this current is typically provided by a photo- diode. operating from a single +5v supply, hmc799lp3e features very low input referred noise, and very large electrical input dynamic range exce- eding 65 db. 10 kohm or 80 db-ohms transimpedance gain provides very good sensitivity at higher data rates. the output of hmc799lp3e is internally matched to 50 ohms. external matching is not necessary. the hmc799lp3e exhibits excellent gain and output power stability over temperature, while requiring a minimal number of external bias components. parameter conditions min. typ. max. units dc specifcations power supply voltage 4.5 5 5.5 v power supply current vcc = 5v 60 70 80 ma input impedance @ 350 mhz 175 ohm input bias voltage 2.1 v ac specifcations transimpedance @ 100 mhz, rl = 50 ohm 7.5 10 12.5 k ohms transimpedance 3-db bandwidth 600 700 mhz small signal gain s21 42 db input referred current noise density cpd [1] <1pf, @ 200 mhz 4.6 pa / hz cpd [1] = 1pf, @ 200 mhz 4.8 pa / hz cpd [1] = 2pf, @ 200 mhz 5.2 pa / hz cpd [1] = 3pf, @ 200 mhz 5.6 pa / hz [1] cpd is the total parasitic capacitance value arises from addition of input photo diode. this value includes photo diode parasitic capacitance, pcb trace capacitance and package parasitic capacitance. typical applications features general description dc - 700 mhz, 10 kohm transimpedance amplifier
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 2 hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier parameter conditions min. typ. max. units input referred rms current noise cpd [1] <1pf, @ 700 mhz bw 149 na rms cpd [1] = 1pf, @630 mhz bw 164 na rms cpd [1] = 2pf, @ 560 mhz bw 174 na rms cpd [1] = 3pf, @ 420 mhz bw 132 na rms saturated output swing vin = 50mv p-p 1 vp-p output power 1-db compression op1db @ 200 mhz 4 dbm output third order intercept point oip3 @ 200 mhz 13 dbm input overdrive current 20 ma output return loss @ 500 mhz 16 20 db electrical specifcations (conditions) gain vs. temperature output return loss vs. temperature 0 10 20 30 40 50 0 100 200 300 400 500 600 700 800 +25c +85c -40c frequency (mhz) gain (db) -50 -40 -30 -20 -10 0 0 100 200 300 400 500 600 700 800 +25c +85c -40c frequency (mhz) return loss (db) input referred noise density vs. c pd [1] input referred noise density vs. temperature [2] [1] cpd is the total parasitic capacitance value resulting from the addition of the input photo diode. this value includes photo diode parasitic capacitance, pcb trace capacitance and package parasitic capacitance. [2] cpd = 1 pf 0 5 10 15 20 0 100 200 300 400 500 600 700 800 +25c +85c -40c frequency (mhz) input referred noise density (pa/ hz) 0 5 10 15 20 0 100 200 300 400 500 600 700 800 c pd =0pf c pd =1pf c pd =2pf c pd =3pf frequency (mhz) input referred noise density (pa/ hz)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 3 transimpedance vs. c pd [1] transimpedance vs. supply voltage (vcc) [2] transimpedance vs. temperature [2] output power vs. input power @ 200 mhz [2] [1] cpd is the total parasitic capacitance value resulting from the addition of the input photo diode. this value includes photo diode parasitic capacitance, pcb trace capacitance and package parasitic capacitance. [2] cpd = 1 pf hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier 0 5 10 15 20 0 100 200 300 400 500 600 700 800 c pd =0pf c pd =1pf c pd =2pf c pd =3pf frequency (mhz) transimpedance (kohm) 0 5 10 15 20 0 100 200 300 400 500 600 700 800 +25c +85c -40c frequency (mhz) transimpedance (kohm) -10 -5 0 5 10 -50 -40 -30 -20 -10 0 10 input power (dbm) output power (dbm) 0 5 10 15 20 0 100 200 300 400 500 600 700 800 vcc=4.5v vcc=5.0v vcc=5.5v frequency (mhz) transimpedance (kohm)
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 4 hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier output signal [2] output signal [1] measurements current mean std dev min. max units v amptd 959.62 960.47 3.703 953.11 972.63 mv frequency 200.1 200.0 0.117 199.5 200.4 mhz duty cycle 49.1 49 0.08 48.7 49.2 % [2] input signal current 20 map-p, frequency 200 mhz measurements current mean std dev min. max units v amptd 198.84 200.50 3.6253 184.99 212.70 mv frequency 200.8 199.9 0.631 198.0 202.1 mhz duty cycle 50.9 49.7 0.62 47.6 51.6 % [1] input signal current 25 ap-p, frequency 200 mhz
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 5 hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier power supply voltage (vcc1, vcc2, vcc3) -1v to 8v input current 30 map-p junction temperature 125 c continuous pdiss (t=85 c) (derate 31.82 mw/ c above +85 c 1.27w thermal resistance (junction to ground paddle) 31.43 c/w storage temperature -65 to 125 c operating temperature -40 to +85 c esd sensitivity (hbm) class 1c absolute maximum ratings outline drawing part number package body material lead finish msl rating package marking [1] hmc799lp3e rohs-compliant low stress injection molded plastic 100% matte sn msl1 [2] h799 xxxx [1] 4-digit lot number xxxx [2] max peak refow temperature of 260 c package information notes: 1. leadframe material: copper alloy 2. dimensions are in inches [millimeters]. 3. lead spacing tolerance is non-cumulative 4. pad burr length shall be 0.15mm maximum. pad burr height shall be 0.05mm maximum. 5. package warp shall not exceed 0.05mm. 6. all ground leads and ground paddle must be soldered to pcb rf ground. 7. refer to hmc application note for suggested pcb land pattern.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 6 hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier pin number function description interface schematic 1, 12, 14 vcc1, vcc2, vcc3 positive supply 2 cfilt overload current flter capacitance pin. 3 rfin rf input 4 cext reference voltage flter capacitance pin. 5 - 9, 11, 13, 15, 16 n/c not connected. 10 rfout rf output package base gnd package base has exposed metal ground paddle which must be connected to ground. pin descriptions
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 7 hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier application circuit note: for power supply rejection ratio (psrr) tests, install 0 ohm for r1.
for price, delivery and to place orders: hittite microwave corporation, 20 alpha road, chelmsford, ma 01824 phone: 978-250-3343 fax: 978-250-3373 order on-line at www.hittite.com application support: phone: 978-250-3343 or apps@hittite.com transimpedance amps - smt 11 11 - 8 hmc799lp3e v01.1009 dc - 700 mhz, 10 kohm transimpedance amplifier evaluation pcb the circuit board used in the fnal application should use rf circuit design techniques. signal lines should have 50 ohm impedance while the package ground leads and exposed paddle should be connected directly to the ground plane similar to that shown. a sufficient number of via holes should be used to connect the top and bottom ground planes. the evaluation circuit board shown is available from hittite upon request. list of materials for evaluation pcb 124022 [1] item description j1 - j2 pcb mount sma connector j3, j5 dc pin c1 - c3 22 nf capacitor, 0402 pkg. c4, c12 10 f capacitor, 0805 pkg. c6, c8, c10 4.7 f capacitor, 0805 pkg. c7, c9, c11 0.1 f capacitor, 0603 pkg. u1 hmc799lp3e transimpedance amplifer pcb [2] 124020 evaluation pcb [1] reference this number when ordering complete evaluation pcb [2] circuit board material: arlon 25fr or rogers 4350
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