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[ak122 4 ] ms 1413 - e - 0 1 1 2013 / 0 5 AK1224 900 m hz low noise mixer 1. overview the AK1224 is a high linearity and low noise mixer. rf frequency range coverage is from 100 to 900mhz and if coverage is from 20 to 100mhz. ak122 4 can be driven by a single ended rf input and a low - power diff erential lo input that can be driven with a differential or single ended lo signal . if output ports are differential open drain outputs. the analog circuit characteristics and power consumption performances can be optimized by the resistance connected to t he bias pin. 2. feature ? operating frequency: 1 00mhz to 900 mhz ? linearity vs. power selectable architecture: current consumption: 21 ma , iip3 : + 16 dbm , gain: 5.5 db , nf : 8.5 db ? lo input level: 0 dbm 5db ? operating supply voltage: 4.75 to 5.25 v ? package: 16pin u qfn 0.5mm pitch 3mm ? 3mm ? 0.60mm ? operating temperature range - 40 to 85 ? c
[ak122 4 ] ms 1413 - e - 0 1 2 2013 / 0 5 3. table contents 1. overview ________________________________ ________________________________ __________ 1 2. feature ________________________________ ________________________________ ____________ 1 3. table contents ________________________________ ________________________________ ______ 2 4. block diagram ________________________________ ________________________________ ______ 3 5. pin function description ________________________________ _____________________________ 4 6. absolute maximum ratings ________________________________ ___________________________ 5 1. recommended operating range ________________________________ ______________________ 5 7. electrica l characteristics ________________________________ _____________________________ 6 8. typical performance ________________________________ ________________________________ _ 7 9. typical evaluation board schematic ________________________________ __________________ 14 10. lsi interface schematic ________________________________ _____________________________ 16 11. outer dimensions ________________________________ ________________________________ __ 18 12. marking ________________________________ ________________________________ __________ 19
[ak122 4 ] ms 1413 - e - 0 1 3 2013 / 0 5 4. block diagram fig. 1 block diagram fig. 2 package pin layout 1 3 14 15 16 1 2 3 4 5 6 11 10 9 8 7 12 top view vss power down_h vss vss loinn loinp bias1 bias2 vdd vdd vdd ifoutn ifoutp rfin vss bias select
[ak122 4 ] ms 1413 - e - 0 1 4 2013 / 0 5 5. pin function description table 1 pin function no. name i/o pin function remarks 1 rfin ai rf input connecting a inductor between this pin and ground. 2 vss g ground pin 3 vss g ground pin 4 loinn ai lo input negative 5 loinp ai lo input positive 6 bias1 aio resistance pin for current adjustment connecting a resistor between this pin and ground. 7 bias2 aio resistance pin for current adjustment connecting a resistor between this pin and ground. 8 vdd p power supply vdd 9 vdd p power supply vdd 10 vdd p power supply vdd 11 ifoutn ao if output negative this pin is open drain output. it needs power feeding via an inductor. 12 ifoutp ao if output positive this pin is open drain output. it needs power feeding via an inductor. 13 vss g ground pin 14 power down_h di power down control pin high power off low power on 15 bias select di bias resistance select pin high bias2 pin is enable low bias1 pin is enable 16 vss g ground pin note) the exposed pad at the center of the backside should be connected to ground. ai:analog input pin ao:anal og output pin aio:analog i/o pin p: power supply pin g: ground pin di:digital input pin
[ak122 4 ] ms 1413 - e - 0 1 5 2013 / 0 5 6. absolute maximum ratings table 2 absolute maximum ratings parameter symbol min. max. unit remarks supply voltage vdd - 0.3 5.5 v rf i nput power rfpow 12 dbm lo input power lopow 12 dbm storage temperature tstg - 55 125 ? 1. recommended operating range table 3 recommended operating range parameter symbol min. typ. max. unit remarks operating temperature ta - 40 85 ?
[ak122 4 ] ms 1413 - e - 0 1 6 2013 / 0 5 7. electrical characteristics 1. a nalog 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 ? c to 85 ? c parameter min . typ . max . unit remarks rf input frequency 100 900 mhz lo input frequency 100 900 mhz if o utput frequency 20 100 mhz lo input power - 5 0 +5 dbm current adjustment resistor(bias) 22 100 k? =22k? k? =100k? rfin=600mhz, current adjustment resistor =27k ? 2. digital circuit characteristics this table is for p ower down_h pin and bias select pin. parameter symbol conditions min typ max unit remark high level input voltage vih 0.8 ? low level input voltage vil 0.2 ? ? ?
[ak122 4 ] ms 1413 - e - 0 1 7 2013 / 0 5 8. 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 fig. 3 current adjustment resistor vs. iip3, nf, p1db, gain, idd note ) a resistor with 5% tolerance are used. 8 10 12 14 16 18 20 22 20 30 40 50 60 70 80 90 100 iip3 [dbm] r_bias [kohm] 6 7 8 9 10 11 20 30 40 50 60 70 80 90 100 nf [db] r_bias [kohm] -4 -2 0 2 4 6 8 10 12 20 30 40 50 60 70 80 90 100 ip1db [dbm] r_bias [kohm] -4 -2 0 2 4 6 8 20 30 40 50 60 70 80 90 100 gain [db] r_bias [kohm] 0 5 10 15 20 25 30 20 30 40 50 60 70 80 90 100 idd [ma] r_bias [kohm]
[ak122 4 ] ms 1413 - e - 0 1 8 2013 / 0 5 2. over temperature vs. iip3, nf, p1db, gain, idd fig. 4 over temperature vs. iip3, nf, ip1db, gain, idd resistance for current adjustment 22kohm 27 kohm 100 kohm 8 10 12 14 16 18 20 22 -40 -20 0 20 40 60 80 iip3 [dbm] temp [ ] 6 7 8 9 10 11 -40 -20 0 20 40 60 80 nf [db] temp [ ] -4 -2 0 2 4 6 8 10 12 -40 -20 0 20 40 60 80 ip1db [dbm] temp [ ] -4 -2 0 2 4 6 8 -40 -20 0 20 40 60 80 gain [db] temp [ ] 0 5 10 15 20 25 30 -40 -20 0 20 40 60 80 idd [ma] temp [ ]
[ak122 4 ] ms 1413 - e - 0 1 9 2013 / 0 5 3. supply voltage vs. iip3, nf, p1db, gain , idd fig. 5 supply voltage vs. iip3, nf, ip1db, gain, idd resistance for current ad justment 22kohm 27 kohm 100 kohm 8 10 12 14 16 18 20 22 4.75 4.85 4.95 5.05 5.15 5.25 iip3 [dbm] vdd [v] 6 7 8 9 10 11 4.75 4.85 4.95 5.05 5.15 5.25 nf [db] vdd [v] -4 -2 0 2 4 6 8 10 12 4.75 4.85 4.95 5.05 5.15 5.25 ip1db [dbm] vdd [v] -4 -2 0 2 4 6 8 4.75 4.85 4.95 5.05 5.15 5.25 gain [db] vdd [v] 0 5 10 15 20 25 30 4.75 4.85 4.95 5.05 5.15 5.25 idd [ma] vdd [v]
[ak122 4 ] ms 1413 - e - 0 1 10 2013 / 0 5 4. rf input frequency vs. iip3, nf, gain fig. 6 rf input frequency vs. iip3, nf, gain resistance for current adjustment 22kohm 27 kohm 100 kohm 8 10 12 14 16 18 20 22 100 200 300 400 500 600 700 800 900 iip3 [dbm] rf [mhz] 6 7 8 9 10 11 100 200 300 400 500 600 700 800 900 nf [db] rf [mhz] -4 -2 0 2 4 6 8 10 12 100 200 300 400 500 600 700 800 900 ip1db [dbm] rf [mhz] -4 -2 0 2 4 6 8 100 200 300 400 500 600 700 800 900 gain [db] rf [mhz]
[ak122 4 ] ms 1413 - e - 0 1 11 2013 / 0 5 5. if input frequency vs. iip3, nf, gain fig. 7 if input frequency vs. iip3, nf, gain resistance for current adjustment 22kohm 27 kohm 100 kohm 8 10 12 14 16 18 20 22 20 30 40 50 60 70 80 90 100 iip3 [dbm] if [mhz] 6 7 8 9 10 11 20 30 40 50 60 70 80 90 100 nf [db] if [mhz] -4 -2 0 2 4 6 8 10 12 20 30 40 50 60 70 80 90 100 ip1db [dbm] if [mhz] -4 -2 0 2 4 6 8 20 30 40 50 60 70 80 90 100 gain [db] if [mhz]
[ak122 4 ] ms 1413 - e - 0 1 12 2013 / 0 5 6. lo input power vs. iip3, nf, gain fig. 8 lo input power vs. iip3, nf, gain resistance for current adjustment 22kohm 27 kohm 100 kohm 8 10 12 14 16 18 20 22 -20 -15 -10 -5 0 5 10 iip3 [dbm] lo level [ dbm ] 6 7 8 9 10 11 -20 -15 -10 -5 0 5 10 nf [db] lo level [ dbm ] -4 -2 0 2 4 6 8 10 12 -20 -15 -10 -5 0 5 10 iip1db [dbm] lo level [ dbm ] -4 -2 0 2 4 6 8 -20 -15 -10 -5 0 5 10 gain [db] lo level [ dbm ]
[ak122 4 ] ms 1413 - e - 0 1 13 2013 / 0 5 7. output load resistor fig. 9 output load resistor 8. leakage rfin=600mhz, - 20dbm, lo input=550mhz,0dbm, r load=2.2k ? , ta=25 vdd=5v parameter b ias typ. unit rf C ? ? C ? ? C ? ? C ? ? 22kohm 27 kohm 100 ko hm 8 10 12 14 16 18 20 22 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 iip3 [dbm] rl [kohm] 6 7 8 9 10 11 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 nf [db] rl [kohm] -4 -2 0 2 4 6 8 10 12 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 ip1db [dbm] rl [kohm] -4 -2 0 2 4 6 8 0.8 1.0 1.2 1.4 1.6 1.8 2.0 2.2 gain [db] rl [kohm]
[ak122 4 ] ms 1413 - e - 0 1 14 2013 / 0 5 9. typical evaluation board schematic 1. typical evaluation board schematic fig. 1 0 typical evaluation board schematic note) the exposed pad at the center of the backside should be connected to ground. note) the open drain output needs power feeding via a inductor. ( ifoutp pin a nd ifoutn pin ) note) it is necessary to adjust impedance matching as to its setting frequency. (rf input and if output) 2. example of impedance matching ? rfin frequency[mhz] c1[pf] l [ nh ] impedance[ohm] 100 68 220 49.3 - j5.4 600 15 22 48.3 - j0.7 900 12 12 44.48 C j1.0 rfin rf input ak122 4 c l
[ak122 4 ] ms 1413 - e - 0 1 15 2013 / 0 5 ? ifout ? loinp/loinn loinn loinp vss lo input 10n f 10n f ak122 4 50ohm frequency [mhz] r1 [kohm] c [pf] l [nh] impedance[ohm] 20 2.2 10 2200 51.2 C j11.6 50 2.2 3.3 1000 51.6 C j0.6 100 2.2 1.2 470 48.6 C j5.7 ifoutp ifoutn ak122 4 output load resistor rload balun vss if output 100pf 10nf vss c r l l vdd 4:1 (powefeeding for open - drain output) *1)murata lqw series *1 * 1 * 1
[ak122 4 ] ms 1413 - e - 0 1 16 2013 / 0 5 10. lsi interface schematic no. name i/o function 1 rfin i rf input pin 4 loinn i lo input pins 5 loinp 6 bias1 i/o analog i/o pins 7 bias2 11 ifoutn o if output pins 12 ifoutp 300? ifoutp ifoutn
[ak122 4 ] ms 1413 - e - 0 1 17 2013 / 0 5 14 power down_h i digital input pins 15 bias select 300?
[ak122 4 ] ms 1413 - e - 0 1 18 2013 / 0 5 11. outer dime nsions fig. 1 1 outer dimensions note 1. 1 pin marking is only a reference for the 1 pin location on the top of package. 1 1 pin marking (note 1) 5 9 13 4 8 12 16
[ak122 4 ] ms 1413 - e - 0 1 19 2013 / 0 5 12. marking (a) style : u qfn (b) number of pins : 16 (c) 1 pin marking : (d) product number : 1224 (e) date code : ywwl (4 digits) y : lower 1 digit of calendar year (year 2012 2, 2013 3 ...) ww : week l : lot identification, given to each product lot which is made in a week ? lot id is given in alphabetical order (a , b, c). fig. 1 2 marking 122 4 (d) ywwl (e) (c)
[ak122 4 ] ms 1413 - e - 0 1 20 2013 / 0 5 important notice 0. asahi kasei microdevices corporation (akm) reserves the right to make changes to the information contained in this document without notice. when you consider any use or application of akm pr oduct stipulated in this document ( product ) , please make inquiries the sales office of akm or authorized distributor s as to current status of the products. 1. all information included in this document are provided only to illustrate the operation and app lication examples of akm products . akm neither makes warranties or representations with respect to the accuracy or completeness of the information contained in this document nor grants any license to any intellectual property rights or any other rights o f akm or any third party with respect to the information in this document. you are fully responsible for use of such information contained in this document in your product design or applications . akm assumes no liability for any losses incurred by you or t hird parties arising from the use of such information in your product design or applications. 2. the product is neither intended nor warranted for use in equipment or systems that require extraordinarily high levels of quality and/or reliability and/or a malfunction or failure of which may cause loss of human life, bodily injury, serious property damage or serious public impact , including but not limited to, equipment used in nuclear facilities, equipment used in the aerospace industry, medical equipment, equipment used for automobiles, trains, ships and other transportation, traffic signaling equipment, equipment used to control combustions or explosions, safety devices, elevators and escalators, devices related to electric power, and equipment used in fin ance - related fields. do not use product for the above use unless specifically agreed by akm in writing . 3. though akm works continually to improve the products quality and reliability, you are responsible for complying with safety standards and for provid ing adequate designs and safeguards for your hardware, software and systems which minimize risk and avoid situations in which a malfunction or failure of the product could cause loss of human life, bodily injury or damage to property, including data loss o r corruption. 4. do not use or otherwise make available the product or related technology or any information contained in this document for any military purposes, including without limitation, for the design, development, use, stockpiling or manufacturing of nuclear, chemical, or biological weapons or missile technology products (mass destruction weapons). when exporting the p roducts or related technology or any information contained in this document, you should comply with the applicable export control law s and regulations and follow the procedures required by such laws and regulations. the p roducts and related technology may not be used for or incorporated into any products or systems whose manufacture, use, or sale is prohibited under any applicable domes tic or foreign laws or regulations. 5. please contact akm sales representative for details as to environmental matters such as the rohs compatibility of the product. please use the product in compliance with all applicable laws and regulations that regulat e the inclusion or use of controlled substances, including without limitation, the eu rohs directive. akm assumes no liability for damages or losses occurring as a result of noncompliance with applicable laws and regulations. 6. resale of the product with provisions different from the statement and/or technical features set forth in this document shall immediately void any warranty granted by akm for the product and shall not create or extend in any manner whatsoever , any liability of akm. 7. this document may not be reproduced or duplicated, in any form, in whole or in part, without prior written consent of akm .

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