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[AK1220] AK1220 900mhz high linearity mixer 1. overview the AK1220 is high linearity mixer. rf and lo frequency range coverage from 100 to 900mhz and if coverage is from 20 to 100mhz. the rf input provides single-ended 50 interface. lo ports are 50 matched and complementary inputs should be decoupled to the grou nd. if output ports are di fferential open drain outputs. the linearity and power consumption performances can opti mize with the resistance connected to the bias pin. 2. features ? operating frequency: 100 to 900mhz ? linearity vs power selectable architecture power consumption: 17ma, iip3: +22dbm, gain:1db, nf:10.5db power consumption: 9ma, iip3:+11dbm, gain:0.5db, nf:10db ? lo input level: 0dbm5db ? operating supply voltage: 4.75 to 5.25 v ? package: 16pin uqfn(0.5mm pitch, 3mm x 3mm x 0.60mm) ? operating temperatur e range: -40 to 85 c ms1165-e-01 1 2010/11
[AK1220] table of contents 1. overview ________________________________________________________________1 2. features ________________________________________________________________1 3. block diagram ___________________________________________________________3 4. system diagram __________________________________________________________4 5. pin functional description _________________________________________________5 6. absolute maximum ratings ________________________________________________7 7. recommended operating range ____________________________________________7 8. electrical characteristics __________________________________________________8 9. typical performance ______________________________________________________9 10. typical evaluation board schematic ________________________________________16 11. ic interface schematic ___________________________________________________24 12. outer dimensions _______________________________________________________25 13. marking ________________________________________________________________26 ms1165-e-01 2 2010/11
[AK1220] 3. block diagram ifoutn ifoutp rfin mixer lo buffer iref bias loinn loinp vdd vss fig. 1 block diagram ms1165-e-01 3 2010/11
[AK1220] 4. system diagram output load resistor rload rfin loinn loinp ifoutp ifoutn AK1220 vss balun vdd (powefeeding for open-drain output) vss vdd vss lo buffer iref mixer vss bias current adjustment resistor rf input lo input if output vss vdd vss fig. 2 system diagram ms1165-e-01 4 2010/11
[AK1220] 5. pin functional description table 1 pin function no. name i/o pin functions remarks 1 rfin ai rf input connecting a i nductor between this pin and ground. 2 vss g ground pin 3 loinn ai lo input negative 4 loinp ai lo input positive 5 nc - non connect 6 nc - non connect 7 nc - non connect 8 nc - non connect 9 bias aio resistance pin for current adjustment connecting a resistor between this pin and ground. 10 vdd p power supply 11 ifoutn ao if output negative this pin is open drain output. it needs power feeding via a inductor. 12 ifoutp ao if output positive this pin is open drain output. it needs power feeding via a inductor. 13 nc - non connect 14 nc - non connect 15 nc - non connect 16 nc - non connect note) it is recommended to connect nc pins to ground, alth ough it will not make an y impact on the electrical characteristics if the pin is open. ai: analog input pin ao: analog output pin aio: analog i/o pin p: power supply pin g: ground pin ms1165-e-01 5 2010/11
[AK1220] 1 2 3 4 5 6 7 8 9 10 15 14 13 12 11 16 top view rf in vss loinn loinp nc nc bias vdd ifoutn ifoutp nc nc nc nc nc nc fig. 3 package pin layout ms1165-e-01 6 2010/11
[AK1220] 6. absolute maximum ratings table 2 absolute maximum ratings parameter symbol min. max. unit remarks supply voltage vdd -0.3 5.5 v rf input power rfpow 12 dbm lo input power lopow 12 dbm storage temperature tstg -55 125 c exceeding these maximum ratings may result in damage to the AK1220. normal operat ion is not guaranteed at these extremes. 7. recommended operating range table 3 recommended operating range parameter symbol min. typ. max. unit remarks operating temperature ta -40 85 c supply voltage vdd 4.75 5 5.25 v the specifications are applicable within the recommende d operating range (supply volt age/operating temperature). ms1165-e-01 7 2010/11
[AK1220] 8. electrical characteristics 1 analog circuit characteristics unless otherwise noted if output=50mhz, lo input level=-5dbm to +5dbm, output load resistor (rload)=2.2k , vdd=4.75 to 5.25v, ta=-40 to 85 c parameter min. typ. max. unit remarks rf input frequency 100 900 mhz lo input frequency 100 900 mhz if output frequency 20 100 mhz lo input power -5 0 +5 dbm current adjustment re sistor(bias) 22 56 k bias=22k 17 24 ma idd bias=56k 9 13 ma the total current of vdd pin, ifoutp pin and ifoutn pin. rfin=600mhz, output load resistor = 22k conversion gain -1 1 3 db ssb noise figure 10.5 13 db ip1db +4 +7 dbm iip3 +19 +22 dbm rfin=600mhz, output load resistor = 56k conversion gain -1.5 0.5 2.5 db ssb noise figure 10 12.5 db ip1db -2 +1 dbm iip3 +8 +11 dbm note 1) in the shipment test, nc pins and the exposed pad on the center of the back of the package is connected to ground. ms1165-e-01 8 2010/11
[AK1220] 9. typical performance unless otherwise noted, rf input =600mhz, lo input =550mhz,if output =50mhz, output load resistor (rload)=2.2k 1. current adjustment resistor vs. iip, nf, p1db, gain, idd 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 26.0 20 30 40 50 60 bias [kohm] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 20 30 40 50 60 bias [kohm] nf [db] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 20 30 40 50 60 bias [kohm] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 20 30 40 50 60 bias [kohm] gain [db] 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 20 30 40 50 60 bias [kohm] idd [ma] fig. 4 current adjustment resistor vs. iip3, nf, p1db, gain, idd note 1) a resistor with 5% tolerance are used. ms1165-e-01 9 2010/11
[AK1220] 2. over temperature vs. iip3, nf, p1db, gain, idd 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 -40 -20 0 20 40 60 80 100 temperature [deg] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 -40 -20 0 20 40 60 80 100 temperature [deg] nf [db] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 -40 -20 0 20 40 60 80 100 temperature [deg] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 -40 -20 0 20 40 60 80 100 temperature [deg] gain [db] 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 -40 -20 0 20 40 60 80 100 temperature [deg] idd [ma] bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm fig. 5 over temperature vs. iip3, nf, p1db, gain, idd ms1165-e-01 10 2010/11
[AK1220] 3. supply voltage vs. iip3, nf, p1db, gain, idd 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 vdd [v] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 vdd [v] gain [db] 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 vdd [v] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 vdd [v] nf [db] 8.0 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 4.75 4.80 4.85 4.90 4.95 5.00 5.05 5.10 5.15 5.20 5.25 vdd [v]] idd [ma] bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm fig. 6 supply voltage vs. iip3, nf, p1db, gain, idd ms1165-e-01 11 2010/11
[AK1220] 4. rf input frequency vs. iip3, nf, p1db, gain 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 100 200 300 400 500 600 700 800 900 1000 rf frequency [mhz] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 100 200 300 400 500 600 700 800 900 1000 rf frequency [mhz] nf [db] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 100 200 300 400 500 600 700 800 900 1000 rf frequency [mhz] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 100 200 300 400 500 600 700 800 900 1000 rf frequency [mhz] gain [db] bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm fig. 7 rf input frequency vs. iip3, nf, p1db, gain note 1) AK1220 supports 100mhz to 900mhz rf input. ms1165-e-01 12 2010/11
[AK1220] 5. if output frequency vs. iip3, nf, p1db, gain 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 20 40 60 80 100 120 if frequency [mhz] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 20 40 60 80 100 120 if frequency [mhz] nf [db] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 20 40 60 80 100 120 if frequency [mhz] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 20 40 60 80 100 120 if frequency [mhz] gain [db] bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm fig. 8 if output frequency vs. iip3, nf, p1db, gain note 1) AK1220 supports 20mhz to 100mhz if output. ms1165-e-01 13 2010/11
[AK1220] 6. lo input power vs. iip3, nf, p1db, gain 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 -20 -15 -10 -5 0 5 10 lo input level [dbm] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 -20 -15 -10 -5 0 5 10 lo input level [dbm] nf [db] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 -20 -15 -10 -5 0 5 10 lo input level [dbm] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 -20 -15 -10 -5 0 5 10 lo input level [dbm] gain [db] bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm fig. 9 lo input power vs. iip3, nf, p1db, gain note 1) AK1220 supports -5dbm to 5dbm lo input power. ms1165-e-01 14 2010/11
[AK1220] 7. output load resistor rload vs. iip3, nf, p1db, gain 10.0 12.0 14.0 16.0 18.0 20.0 22.0 24.0 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 rload [kohm] iip3 [dbm] 8.0 9.0 10.0 11.0 12.0 13.0 14.0 15.0 16.0 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 rload [kohm] nf [db] 0.0 1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0 9.0 10.0 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 rload [kohm] ip1db [dbm] -5.0 -4.0 -3.0 -2.0 -1.0 0.0 1.0 2.0 3.0 4.0 5.0 1.4 1.6 1.8 2 2.2 2.4 2.6 2.8 rload [kohm] gain [db] bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm bias=22kohm bias=56kohm fig. 10 output load resistor rload vs. iip3, nf, p1db, gain 8 leakage rf input=600mhz, -20dbm, lo input =600mhz, 0dbm, ta = 2 5 c vdd=5v parameter bias typ. unit 22k -50 dbc rf ? lo lakage 56k -50 dbc 22k -90 dbc rf ? if lakage 56k -90 dbc 22k -50 dbc lo - rf lakage 56k -50 dbc 22k -80 dbc lo - if lakage 56k -80 dbc ms1165-e-01 15 2010/11
[AK1220] 10. typical evaluation board schematic rf input impedance matching output load resistor rfin loinn loinp ifoutp ifoutn AK1220 vss l1 balun vdd (powefeeding for open-drain ) vss vdd vss lo buffer iref mixer vss bias current adjustment resistor 22 to 56k rf input lo input if output 100pf 10nf 100pf 100pf if output impedance matching 100pf 10nf vss vdd vss c1 50 fig. 11 typical evaluation board schematic note 1) the open drain output needs power feeding via a inductor. (ifoutp pin and ifoutn) note 2) it is necessary to adjust impedance matching as to its setting frequency. (rf input and if output) ms1165-e-01 16 2010/11
[AK1220] 2. example of impedance matching ? rfin frequency[mhz] c1[pf] l1[nh] 150 18 82 450 6 22 600 10 15 900 5 6.8 rfin l1 rf input c1 AK1220 frequency[mhz] c1[pf] l1[nh] 150 18 82 start 50mhz, stop 1ghz marker 1 150mhz: 43.0 -3.9 1 fig. 12 rfin 150mhz example of impedance matching ms1165-e-01 17 2010/11
[AK1220] frequency[mhz] c1[pf] l1[nh] 450 6 22 start 50mhz, stop 1ghz marker 1 380mhz: 27.5 -12.2 marker 2 450mhz: 46.5 -10.2 marker 3 570mhz: 52.5 -35.4 1 3 2 fig. 13 rfin 450mhz example of impedance matching frequency[mhz] c1[pf] l1[nh] 600 10 15 start 50mhz, stop 1ghz marker 1 600mhz: 72.3 5.9 1 fig. 14 rfin 600mhz example of impedance matching ms1165-e-01 18 2010/11
[AK1220] frequency[mhz] c1[pf] l1[nh] 900 5 6.8 start 50mhz, stop 1ghz marker 1 900mhz: 42.9 16.3 1 fig. 15 rfin 900mhz example of impedance matching ms1165-e-01 19 2010/11
[AK1220] ? ifout frequency [mhz] r1 [k ] c2 [pf] l2 [nh] l3 [nh] 30 2.2 3.9 1800 1800 50 2.2 2.0 1000 1000 60 2.2 0.5 1000 1000 80 2.2 n/a 680 680 100 2.2 n/a 470 470 ifoutp ifoutn AK1220 output load resistor rload balun vdd (powefeeding for open-drain output) vss if output 100pf 10nf vss c2 r1 l2 l3 1800nh : murata lqw21hn1r8j00l 1000nh : murata lqw21hn1r0j00l 680nh : murata lqw21hnr68j00l 470nh : murata lqw21hnr47j00l balun:mini-circuits adt4-6t+ fig. 16 ifout 30mhz example of impedance matching frequency [mhz] r1 [k ] c2 [pf] l2 [nh] l3 [nh] 30 2.2 3.9 1800 1800 start 10mhz, stop 140mhz marker 1 28mhz: 52.5 -35.7 marker 2 30mhz: 53.0 -24.1 marker 3 36mhz: 75.6 34.1 1 2 3 ms1165-e-01 20 2010/11
[AK1220] frequency [mhz] r1 [k ] c2 [pf] l2 [nh] l3 [nh] 50 2.2 2 1000 1000 start 10mhz, stop 140mhz marker 1 45mhz: 36.7 -26.9 marker 2 50mhz: 40.9 -11.0 marker 3 60mhz: 77.2 33.9 1 2 3 fig. 17 ifout 50mhz example of impedance matching frequency [mhz] r1 [k ] c2 [pf] l2 [nh] l3 [nh] 60 2.2 0.5 1000 1000 start 10mhz, stop 140mhz marker 1 55mhz: 43.5 -32.0 marker 2 60mhz: 50.5 -20.6 marker 3 70mhz: 98.9 -6.1 1 2 3 fig. 18 ifout 60mhz example of impedance matching ms1165-e-01 21 2010/11
[AK1220] frequency [mhz] r1 [k ] c2 [pf] l2 [nh] l3 [nh] 80 2.2 n/a 680 680 start 10mhz, stop 140mhz marker 1 72mhz: 32.1 -21.9 marker 2 80mhz: 45.5 -9.3 marker 3 92mhz: 98.3 -10.2 1 2 3 fig. 19 ifout 80mhz example of impedance matching frequency [mhz] r1 [k ] c2 [pf] l2 [nh] l3 [nh] 100 2.2 n/a 470 470 start 10mhz, stop 140mhz marker 1 92mhz: 26.3 -8.9 marker 2 100mhz: 37.5 1.9 1 2 fig. 20 ifout 100mhz example of impedance matching ms1165-e-01 22 2010/11
[AK1220] ? loinp/loinn loinn loinp 50ohm vss lo input 100pf 100pf AK1220 fig. 21 loinp/loinn example of impedance matching ms1165-e-01 23 2010/11
[AK1220] 11. ic interface schematic no. name i/o function 1 rfin i rf input pin 3 loinn i 4 loinp i lo input pins 27kohm 8 bias i/o analog i/o pin 300ohm 11 ifoutn o 12 ifoutp o if output pins ifoutp ifoutn ms1165-e-01 24 2010/11
[AK1220] 12. outer dimensions 3.00.10 3.00.10 0.580.05 1 pin fig. 22 outer dimensions note) it is recommended to connect the exposed pad (the cent er of the back of the pack age) to ground, although it will not make any impact on the electrical characteristics if the pad is open. ms1165-e-01 25 2010/11
[AK1220] 13. marking (a) style : qfn (b) number of pins : 16 (c) 1 pin marking: : (d) product number : 1220 (e) date code : ywwl (4 digits) y: lower 1 digit of calendar year (year 2010 0, 2011 1 ...) ww: week lot identification, given to each product lot which is made in a week lot id is given in alphabetical order (a, b, c?). ywwl (e) (c) 1220 (d) fig. 23 marking ms1165-e-01 26 2010/11
[AK1220] important notice z these products and their specifications are subject to change without notice. when you consider any use or application of these products, please make inquiries the sales office of asahi kasei microdevices corporation (akm) or authorized distributors as to current status of the products. z descriptions of external circuits, applicatio n circuits, software and other related information contained in this document are provided only to illustrate the operation and application examples of the semiconductor products. you are fully responsible for the incorporation of these external circuits, application circuits, software and other related in formation in the design of your equipments. akm assumes no responsibility for any losses incurred by you or third parties arising from the use of these information herein. akm assumes no liability for infringement of any patent, intellectual property, or other rights in the application or use of such information contained herein. z any export of these products, or devices or systems containing them, may require an export license or other official approval under the law and regulations of the c ountry of export pertaining to customs and tariffs, currency exch ange, or strategic materials. z akm products are neither intended nor authorized for use as critical components note1) in any safety, life support, or other hazar d related device or system note2) , and akm assumes no responsibility for such use, except for the use app roved with the express written consent by representative director of akm. as used here: note1) a critical component is one whose failure to function or perform may reasonably be expected to result, whether directly or indirectly, in the loss of the safety or effectiveness of the device or system containing it, and which must therefore meet very high standards of performance and reliability. note2) a hazard related device or system is one designed or intended for life support or maintenance of safety or for applications in medicine, aerospace, nuclear energy, or other fields, in which its failure to function or perfor m may reasonably be expected to result in loss of life or in significant injury or damage to person or property. z it is the responsibility of the buyer or distributor of akm products, who distributes, disposes of, or otherwise places the product with a third party, to notify such third party in advance of the above content and conditions, and the buyer or distributor agrees to assume any and all responsibility and liability for and hold akm harmless from any and all cl aims arising from the use of said product in the absence of such notification. ms1165-e-01 27 2010/11

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