page 1 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 www.psemi.com the PE4270 is a is a high-isolation switch designed for catv applications, covering a broad frequency range from 1 to 3000 mhz. this single-supply spst switch offers a single-pin cmos control interface with industry leading ctb performance. it also provides low insertion loss, high isolation and extremely low bias requirements while operating on a single 3-volt supply. in a typical catv application, the PE4270 provides for a cost effective and manufacturable solution vs. mechanical relays. the PE4270 is manufactured on peregrine?s ultracmos? process, a patented variation of silicon-on-insulator (soi) technology on a sapphire substrate, offering the performance of gaas with the economy and integration of conventional cmos. product specification spst catv ultracmos? switch 1 - 3000 mhz product description figure 1. functional diagram PE4270 features ? integrated 0.25 watt terminations ? ctb performance of 90 dbc ? high isolation: 90 db at 5 mhz, 63 db at 1000 mhz ? low insertion loss: 0.5 db at 50 mhz, 0.70 db at 1000 mhz ? high input ip2: >80 dbm ? cmos/ttl single-pin control ? single +3-volt supply operation ? extremely low bias: 8 a @ 3 v ? available in a 6-lead dfn package notes: 1. device linearity will begin to degrade below 1 mhz. 2. measured in a 50 ? system. 3. measured with a 1 ns risetime, 0/3 v pulse and 500 mhz bandwidth. 4. note absolute maximum ratings in table 3. table 1. electrical specifications @ +25 c (z s = z l = 75 ? ) figure 2. package type 6-lead dfn parameter condition minimum typical maximum units operating frequency 1 1 3000 mhz insertion loss 1 ? 50 mhz 1000 mhz 0.50 0.70 0.65 0.85 db isolation 1 ? 50 mhz 1000 mhz 85 60 90 63 db return loss 5 - 1000 mhz, v ctrl = 3.0v 15 16 db 1 db compression 2,4 1000 mhz 28 30 dbm ctb / cso 77 & 110 channels; po = 44 dbmv -90 dbc input ip2 2 1000 mhz 80 dbm input ip3 2 1000 mhz 50 dbm video feedthrough 3 15 mv pp switching time 2 s rf1 rf2 ctrl 75 ? 75 ? cmos control driver esd esd peregrine specification 71/0010
product specification PE4270 page 2 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 ultracmos? rfic solutions table 2. pin descriptions table 3. absolute maximum ratings electrostatic discharge (esd) precautions when handling this ultracmos? device, observe the same precautions that you would use with other esd-sensitive devices. although this device contains circuitry to protect it from damage due to esd, precautions should be taken to avoid exceeding the rating specified in table 3. latch-up avoidance unlike conventional cmos devices, ultracmos? devices are immune to latch-up. table 4. operating ranges notes: 1. both rf pins must be held at 0 v dc or require external dc blocking capacitors 2. the exposed pad must be soldered to the ground plane for proper switch performance. figure 3. pin configuration table 5. control logic truth table exposed solder pad (bottom side) v dd gnd rf1 rf2 gnd ctrl 4 5 6 3 2 1 device description the PE4270 high isolation spst catv switch is designed to support catv applications such as premise disconnect of a catv signal path. this function is typically performed by bulky and expensive mechanical relays. the high isolation characteristics, high compression point, and integrated 75-ohm terminations make the PE4270 an ideal, cost effective and manufacturable product of choice. the control logic input pin (ctrl) is typically driven by a 3-volt cmos logic level signal, and has a threshold of 50% of v dd . for flexibility to support systems that have 5-volt control logic drivers, the control logic input has been designed to handle a 5-volt logic high signal. (a minimal current will be sourced out of the v dd pin when the control logic input voltage level exceeds v dd .) notes: 1. ctrl accepts both cmos and ttl voltage leads. exceeding absolute maximum ratings may cause permanent damage. operation should be restricted to the limits in the operating ranges table. operation between operating range maximum and absolute maximum for extended periods may reduce reliability. pin no. pin name description 1 v dd nominal 3 v supply connection. 2 gnd ground connection. 2 3 rf1 rf port. 1 4 ctrl cmos or ttl logic level: high = rf1 to rf2 signal path low = rf1 isolated from rf2 5 gnd ground connection. 3 6 rf2 rf port. 1 symbol parameter/condition min max unit v dd power supply voltage -0.3 4.0 v v i voltage on ctrl input -0.3 5.5 v t st storage temperature -65 150 c p in input power (50 ? ), ctrl=1/ctrl=0 33/24 dbm v esd esd voltage (human body model) 500 v parameter min typ max unit v dd power supply 2.7 3.0 3.3 v i dd power supply current (v dd = 3v, v ctrl = 3v) 8 20 a control voltage high 0.7xv dd 5 v control voltage low 0 0.3xv dd v t op operating temperature -40 85 c control voltage (ctrl) signal path (rf1 to rf2) high 1 on low off moisture sensitivity level the moisture sensitivity level rating for the PE4270 in the 6-lead 3x3 dfn package is msl1.
product specification PE4270 page 3 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 www.psemi.com typical performance data @ -40 c to 85 c (unless otherwise noted) figure 4. insertion loss - rf1 to rf2 figure 5. 1db compression & 3 rd order figure 6. isolation - rf1 to rf2 (75 ? impedance except as indicated) intercept point (t = 25c)
product specification PE4270 page 4 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 ultracmos? rfic solutions typical performance data @ -40 c to 85 c (unless otherwise noted) figure 7. rf1 return loss (switch = on) figure 8. rf1 return loss (switch = off) figure 9. rf2 return loss (switch = on) figure 10. rf2 return loss (switch = off) (75-ohm impedance)
product specification PE4270 page 5 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 www.psemi.com evaluation kit the PE4270 ek board was designed to ease customer evaluation of peregrine?s high performance spst catv mosfet switch. rf1 is connected through a 75 ? transmission line via the top left f connector, j1. rf2 is connected through a 75 ? transmission line via the top right f connector, j2. a 75 ? through transmission line is available via f connectors j3 and j4. this transmission line can be used to estimate the loss of the pcb over the environmental conditions being evaluated. v dd is supplied via j6-2, while the control logic voltage is supplied via j5-2. it is the responsibility of the customer to determine proper supply decoupling for their design application. it has been observed that by removing c1 and c2 from the evaluation board has not shown to degrade rf performance. the board is constructed of a two metal layer fr4 material with a total thickness of 0.031?. the bottom layer provides ground for the rf transmission lines. the transmission lines were designed using a coplanar waveguide model with trace width of 0.021?, trace gaps of 0.030?, dielectric thickness of 0.028?, metal thickness of 0.0021? and r of 4.6. note that the predominate mode for these transmission lines is coplanar waveguide with a ground plane. figure 11. evaluation board layouts figure 12. evaluation board schematic peregrine specification 102/0224 peregrine specification 101/0167 (with f connectors)
product specification PE4270 page 6 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 ultracmos? rfic solutions 6-lead dfn figure 13. package drawing note: the exposed solder pad (on the bottom of the package) is not electrically connected to any other pin (isolated). figure 14. marking specifications 4270 yyww zzzzz yyww = date code (last two digits of year and work week) zzzzz = last five digits of lot number 06l slp (3x3mm)
product specification PE4270 page 7 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 www.psemi.com table 6. dimensions dimension dfn 3x3 mm ao 3.23 0.1 bo 3.17 0.1 ko 1.37 0.1 p 4 0.1 w 8 +0.3, -0.1 t 0.254 0.02 r7 quantity 3000 r13 quantity n.a. note: r7 = 7 inch lock reel, r13 = 13 inch lock reel 6-lead dfn table 7. ordering information order code part marking description package shipping method 4270-51 4270 PE4270g-06dfn 3x3mm-12800f green 6-lead 3x3 mm dfn tape or loose 4270-52 4270 PE4270g-06dfn 3x3mm-3000c green 6-lead 3x3 mm dfn 3000 units / t&r 4270-00 PE4270-ek PE4270-06dfn 3x3mm-ek evaluation kit 1 / box figure 15. tape and reel specifications device orientation in tape top of device pin 1 tape feed direction
product specification PE4270 page 8 of 8 ?2005-2010 peregrine semiconductor corp. all rights reserved. document no. 70-0148-06 ultracmos? rfic solutions sales offices the americas peregrine semiconductor corporation 9380 carroll park drive san diego, ca 92121 tel: 858-731-9400 fax: 858-731-9499 europe peregrine semiconductor europe batiment maine 13-15 rue des quatre vents f-92380 garches, france tel: +33-1-4741-9173 fax : +33-1-4741-9173 for a list of representatives in your area, please refer to our web site at: www.psemi.com data sheet identification advance information the product is in a formative or design stage. the data sheet contains design target specifications for product development. specifications and features may change in any manner without notice. preliminary specification the data sheet contains preliminary data. additional data may be added at a later date. peregrine reserves the right to change specifications at any time without notice in order to supply the best possible product. product specification the data sheet contains final data. in the event peregrine decides to change the specifications, peregrine will notify customers of the intended changes by issuing a cnf (customer notification form). the information in this data sheet is believed to be reliable. however, peregrine assumes no liability for the use of this information. use shall be entirely at the user?s own risk. no patent rights or licenses to any circuits described in this data sheet are implied or granted to any third party. peregrine?s products are not designed or intended for use in devices or systems intended for surgical implant, or in other applications intended to support or sustain life, or in any application in which the failure of the peregrine product could create a situation in which personal injury or death might occur. peregrine assumes no liabilit y for damages, including consequential or incidental damages, arising out of the use of its products in such applications. the peregrine name, logo, and utsi are registered trademarks and ultracmos, harp, multiswitch and dune are trademarks of peregrine semiconductor corp. high-reliability and defense products americas san diego, ca, usa phone: 858-731-9475 fax: 848-731-9499 europe/asia-pacific aix-en-provence cedex 3, france phone: +33-4-4239-3361 fax: +33-4-4239-7227 peregrine semiconductor, asia pacific (apac) shanghai, 200040, p.r. china tel: +86-21-5836-8276 fax: +86-21-5836-7652 peregrine semiconductor, korea #b-2607, kolon tripolis, 210 geumgok-dong, bundang-gu, seongnam-si gyeonggi-do, 463-943 south korea tel: +82-31-728-3939 fax: +82-31-728-3940 peregrine semiconductor k.k., japan teikoku hotel tower 10b-6 1-1-1 uchisaiwai-cho, chiyoda-ku tokyo 100-0011 japan tel: +81-3-3502-5211 fax: +81-3-3502-5213
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