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skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change witho ut notice. ? september 8, 2010 1 preliminary data sheet SKY77550 tx quad-band / rx dual-band bifet ipac ? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) applications ? dual-band cellular handsets encompassing - class 4 gsm850/900 - dcs1800/pcs1900 - class 12 gprs multi-slot operation features ? high efficiency - 42% (gsm850) - 42% (gsm900) - 42% (dcs1800 - 41% (pcs1900) ? low transmit supply current - 1.36 a (gsm850) - 1.36 a (gsm900) - 0.86 a (dcs1800) - 0.88 a (pcs1900) ? internal icc sense resistor for ipac ? closed loop ipac ? 50 matched input/output ? txCvco-to-antenna and antenna-to-rx-saw filter rf interface ? rf switch affords high linearity, low insertion loss, and 0 v dc on rx ports ? small, low profile package - 6 mm x 6 mm x 0.9 mm - 28-pad configuration description SKY77550 is a transmit and receive front-end module (fem) with integrated power amplifier control (ipac ? ) designed in a low profile, compact form factor for dual-band cellular handsets comprising gsm850/900 and dcs1800/pcs1900 operation. the sky 77550 offers a complete transmit vco-to- antenna and antenna-to-receive saw filter soluti on. the fem also supports class 12 general packet radio service (gprs) multi-slot operation. the module consists of a gsm850/900 pa block and a dcs1800/pcs1900 pa block, impedance- matching circuitry for 50 ohm input and output impedances, tx harmonics filtering, high linearity / low insertion loss rf switch, and a power amplifier control (pac) block with internal current sense resistor. the two heterojunction bipolar transistor (hbt) pa blocks, a bifet pac and switch control circuit are fabricated onto a single gallium arsenide (gaas) die. one pa block supports the gsm850/900 bands and the other pa block support s the dcs1800/pcs1900 bands. both pa blocks share common power supply pads to distribute current. the output of each pa block and the outputs to the two receive pads are connected to the antenna pad through an rf switch. the gaas die, switch die and passive components are mounted on a mult i-layer laminate substrate. the assembly is encapsulated with plastic overmold. band selection and control of transmit and receive are performed using four external control pads. refer to the block diagram in figure 1 below. the band select pad, bs, selects gsm850, gsm900, dcs, and pcs modes of operation. transmit enable txen controls receive or transmit mode of the rf switch (tx = logic 1). proper timing between transm it enable txen and analog power control vramp allows for high isolation between the antenna and txCvco while the vco is being tuned prior to the transmit burst. the SKY77550 is compatible with logic levels from 1. 2 v to 2.9 v for bs, txen, and vsw_en pads. figure 1. SKY77550 functional block diagram free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 2 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e electrical specifications the following tables list the electrical characteristics of the SKY77550 front-end module. the absolute maximum ratings and recommended operating conditions for the SKY77550 are listed in table 1 and table 2, respectively. table 3 specifies the mode control logic and table 4 contains the electrical characteristics of the SKY77550 for modes gsm850/900 and dcs1800/pcs1900. figure 2 presents an application schematic for the SKY77550. the SKY77550 is a static-sensitive electronic device and should not be stored or operated near strong electrostatic fields. detailed information on device dimensions, pad descriptions, packaging and handling can be found in later sections of this data sheet. table 1. SKY77550 absolute maximum ratings parameter minimum nominal maximum unit input power (p in ) ? 3 15 dbm supply voltage (v cc ), standby v ramp 0.3 v v sw_en 0.5 v ? 3.5 7 v control voltage (v ramp ) C0.5 1.6 v cc_max C 0.2 v (see table 4) v storage temperature C55 +25 +150 c 1 no damage assuming only one parameter is set at lim it with all other parameters set at nominal value. table 2. SKY77550 recommended operating conditions parameter minimum nominal maximum unit supply voltage (v cc ) 3.1 3.5 4.8 v supply current (i cc ) 0 1.8 a 1-slot (12.5% duty cycle) C20 +85 2-slot (25% duty cycle) C20 +85 3-slot (37.5% duty cycle) 2 C20 +85 operating case temperature (t case ) 1 4-slot (50% duty cycle) 2 C20 +85 c 1 case operating temperature refers to the temperature of the ground pad on the underside of the package. 2 max. output power must be reduced by 6 db to support 3-slot and 4-slot operation. table 3. SKY77550 mode control logic input control bits mode vsw_en txen bs standby 0 0 0 rx1 1 1 0 0 rx2 1 1 0 1 tx_lb 1 1 0 tx_hb 1 1 1 1 rx1 and rx2 are broadband receive ports and each supports the gsm850, gsm900, dcs, and pcs bands. free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 3 table 4. SKY77550 electrical specifications 1 general parameter symbol test condition minimum typical maximum unit supply voltage v cc ? 3.1 3.5 4.8 v power control impedance z vramp ? ? 120 ? k low v sw_en_low C0.1 ? 0.3 vsw_en control voltage high v sw_en_high ? 1.2 ? 2.9 v vsw_en current i vsw_en ? ? 25 a low v bs_low C0.1 ? 0.3 band select control voltage high v bs_high ? 1.2 ? 2.9 v band select current i bs ? ? 25 a low v t x en_low C0.1 ? 0.3 txen control voltage high v t x en_high ? 1.2 ? 2.9 v txen control current i t x en 60 a standby mode i qs 3.1 v v cc 4.2 v v sw_en = v sw_en_low v ramp 0.1 v txen txen _low bs v bs_low mode < v mode_low t case = +25 c p in C60 dbm ? 30 50 leakage current receive mode i qr x v cc 4.2 v 1.8 v v sw_en 2.5 v v ramp 0.1 v txen txen _low mode < v mode_low t case = +25 c p in C60 dbm ? 200 250 a 1 unless specified otherwise: t case = C20 c to max. operating te mperature (see table 2); rl = 50 ; pulsed operation with pulse width 1154 s and duty cycle 2:8; 3.1 v v cc 4.8 v . free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 4 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e table 5. SKY77550 electrical specifications 1 (1 of 2) gsm850 (tx_lb) mode (? = 824 mhz to 849 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum unit frequency range ? 824 ? 849 mhz input power p in C1 ? 5 dbm analog power control voltage v ramp 0.2 ? 1.6 v power added efficiency pae v cc = 3.5 v p out = 33 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 39 42 ? % i cc _33 dbm v cc = 3.5 v p out = 33 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c ? 1.36 1.46 a supply current @ rated power i cc _29 dbm v cc = 3.5 v p out = 29 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 770 ma supply current @ minimum power i cc _5 dbm v cc = 3.5 v p out = 5 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 70 85 ma harmonics 2? 0 to 13? 0 bw = 3 mhz 5 dbm p out 33 dbm v ramp controlled 2 ? C40 C33 mismatch harmonics 2? 0 to 7? 0 bw = 3 mhz v ramp = max v ramp 4 v batt = 3.5 v vswr = 3:1 all phases t case = +25 c C33 dbm p out v cc = 3.5 v t case = +25 c p in = C1 dbm 33.0 33.7 ? p out _max low voltage v cc = 3.1 v v ramp = max v ramp 4 C20 c t case +85 c p in = C1 dbm 30.5 32.0 ? output power p out_max high voltage v cc = 4.8 v v ramp = max v ramp 4 C20 c t case +85 c p in = C1 dbm 30.5 34.5 ? dbm input vswr in 5 dbm p out 33 dbm v ramp controlled 2 ? 1.5:1 2.5:1 p out_r x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en _high txen = v t x en_low rx1 mode ? C55 C45 forward isolation 3 p out_enabled_t x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en_high txen = v t x en_high ? C25 C5 dbm free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 5 table 5. SKY77550 electrical specifications 1 (2 of 2) [continued] gsm850 (tx_lb) mode (? = 824 mhz to 849 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum unit coupling of gsm850 /900 tx output (? 0 ) to rx 5 output pad 4 cghi_tx-rx_? 0 5 dbm p out 33 dbm ? C5 0 dbm coupling of gsm850 /900 tx output (2? 0 , 3? 0 ) to rx 5 output pad 4 cghi_tx-dcs_rx 5 dbm p out 33 dbm ? C45 C36 dbm spurious spur all combinations of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 12:1, all phase angles no parasitic oscillation > C35 dbm load mismatch load all combinatio ns of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 20:1, all phase angles no module damage or permanent degradation at ? 0 + 20 mhz (869 mhz to 894 mhz) rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm ? C84 C83 rx band spurious rx _spur at 1930 mhz to 1990 mhz rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm ? C101 C84 dbm power control dynamic range pc dr 30 50 ? db v batt = 3.5 v p out = 33 dbm t case = +25 c C1.5 ? 1.5 control level 5 p out = 33 dbm C2.0 ? 2.0 v batt = 3.5 v 13 dbm p out 31 dbm t case = +25 c C2.5 ? 2.5 control level 6-15 13 dbm p out 31 dbm C3.5 ? 3.5 v batt = 3.5 v 5 dbm p out 11 dbm t case = +25 c C4.5 ? 4.5 power control variation control level 16-19 pc v 5 dbm p out 11 dbm C5.5 ? 5.5 db power control slope pc s 5 dbm to 33 dbm ? ? 250 db/v gsm850 receive (? = 869 mhz to 894 mhz) rx mode parameter symbol test condition minimum typical maximum units frequency range ? 869 ? 894 mhz insertion loss, ant to rx 5,3 il_rx 5 t case = +25 c ? 1.0 1.3 db vswr ant, rx 5,3 in , out ? 1.2:1 1.5:1 1 unless specified otherwise: t case = C20 c to max. operating te mperature (see table 2); rl = 50 ; pulsed operation with pulse width 1154 s and duty cycle 2:8; 3.1 v v cc 4.8 v. 2 v ramp is calibrated to each pcl at t case = +25 c, v batt = 3.5 v, p in = 3 dbm, 50 load. 3 terminate all unused rf ports with 50 loads 4 max v ramp = v ramp @ p out =33 dbm, 50 load, t case = +25 c, v batt = 3.5 v, p in = 3 dbm 5 rx1 and rx2 are broadband receive ports and each supports the gsm850, gsm900, dcs, and pcs bands. free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 6 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e table 6. SKY77550 electrical specifications 1 (1 of 3) gsm900 (tx_lb) mode (? = 880 mhz to 915 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum units frequency range ? 880 ? 915 mhz input power p in C1 ? 5 dbm analog power control voltage v ramp 0.2 ? 1.6 v power added efficiency pae v cc = 3.5 v p out = 33 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 39 42 ? % i cc _33 dbm v cc = 3.5 v p out = 33 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c ? 1.36 1.46 a supply current @ rated power i cc _29 dbm v cc = 3.5 v p out = 29 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 750 ma supply current @ minimum power i cc _5 dbm v cc = 3.5 v p out = 5 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 70 85 ma harmonics 2? 0 to 13? 0 bw = 3 mhz 5 dbm p out 33 dbm v ramp controlled 2 ? C40 C33 dbm mismatch harmonics 2? 0 to 7? 0 bw = 3 mhz v ramp = max v ramp 4 v batt = 3.5 v vswr = 3:1 all phases t case = +25 c C33 dbm p out v cc = 3.5 v t case = +25 c p in = C1 dbm 33.0 33.7 ? p out _max low voltage v cc = 3.1 v v ramp = max v ramp 4 C20 c t case +85 c p in = C1 dbm 30.5 32.0 ? output power p out_max high voltage v cc = 4.8 v v ramp = max v ramp 4 C20 c t case +85 c p in = C1 dbm 30.5 34.5 ? dbm input vswr in p out = 5 dbm to 33 dbm v ramp controlled 2 ? 1.5:1 2.5:1 free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 7 table 6. SKY77550 electrical specifications 1 (2 of 3) [continued] gsm900 (tx_lb) mode (? = 880 mhz to 915 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum units p out_ r x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en _high txen = v t x en_low rx1 mode ? C55 C45 forward isolation 3 p out_enabled_t x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en _high txen = v t x en_high ? C25 C5 dbm coupling of gsm850 /900 tx output (? 0 ) to rx 5 output pad 3 cghi_tx-rx_?0 5 dbm p out 33 dbm ? C5 0 dbm coupling of gsm850 /900 tx output (2? 0 , 3? 0 ) to rx 5 output pad 3 cghi_tx_rx 5 5 dbm p out 33 dbm ? C45 C36 dbm spurious spur all combinations of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm load mismatch load all combinatio ns of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 20:1, all phase angles no module damage or permanent degradation at ? 0 + 20 mhz (935 mhz to 960 mhz) rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm ? C84 C83 at ? 0 + 10 mhz (925 mhz to 935 mhz) rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm ? C80 C76 rx band spurious rx _spur at 1805 mhz to 1880 mhz rbw = 100 khz v cc = 3.5 v t case = +25 c 5 dbm p out 33 dbm ? C101 C84 dbm power control dynamic range pc dr 30 50 ? db v batt = 3.5 v p out = 33 dbm t case = +25 c C1.5 ? 1.5 control level 5 p out = 33 dbm C2.0 ? 2.0 v batt = 3.5 v 13 dbm p out 31 dbm t case = +25 c C2.5 ? 2.5 control level 6-15 13 dbm p out 31 dbm C3.5 ? 3.5 v batt = 3.5 v 5 dbm p out 11 dbm t case = +25 c C4.5 ? 4.5 power control variation control level 16-19 pc v 5 dbm p out 11 dbm C5.5 ? 5.5 db power control slope pc s 5 dbm to 33 dbm ? ? 250 db/v free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 8 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e table 6. SKY77550 electrical specifications 1 (3 of 3) gsm900 receive (? = 925 mhz to 960 mhz) rx mode parameter symbol test condition minimum typical maximum units frequency range ? 925 ? 960 mhz insertion loss, ant to rx 5,3 il_rx 5 t case = +25 c ? 1.0 1.3 db vswr ant, rx 5,3 in , out ? 1.2:1 1.5:1 1 unless specified otherwise: t case = C20 c to max. operating te mperature (see table 2); rl = 50 ; pulsed operation with pulse width 1154 s and duty cycle 2:8; 3.1 v v cc 4.8 v. 2 v ramp is calibrated to each pcl at t case = +25 c, v batt = 3.5 v, p in = 3 dbm, 50 load. 3 terminate all unused rf ports with 50 loads 4 max v ramp = v ramp @ p out =33 dbm, 50 load, t case +25 c, v batt = 3.5 v, p in = 3 dbm 5 rx1 and rx2 are broadband receive ports and each supports the gsm850, gsm900, dcs, and pcs bands. table 7. SKY77550 electrical specifications 1 (1 of 3) dcs1800 (tx_hb) mode (? = 1710 mhz to 1785 mhz, C1 dbm p in 5 dbm ) parameter symbol test condition minimum typical maximum units frequency range ? 1710 ? 1785 mhz input power p in C1 ? 5 dbm analog power control voltage v ramp 0.2 ? 1.6 v power added efficiency pae v cc = 3.5 v p out = 31 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 37 42 ? % supply current @ rated power i cc _31 dbm v cc = 3.5 v p out = 31 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c ? 0.86 0.97 a i cc _28 dbm v cc = 3.5 v p out = 28 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 630 ma supply current @ minimum power i cc _0 dbm v cc = 3.5 v p out = 0 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 40 55 ma harmonics 2? 0 to 7? 0 bw = 3 mhz, 0 dbm p out 31 dbm v ramp controlled 2 ? C40 C33 dbm mismatch harmonics 2? 0 , 3? 0 bw = 3 mhz v ramp = max v ramp 4 v batt = 3.5 v vswr = 3:1 all phases t case = +25 c C33 dbm free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 9 table 7. SKY77550 electrical specifications 1 (2 of 3) [continued] dcs1800 (tx_hb) mode (? = 1710 mhz to 1785 mhz, C1 dbm p in 5 dbm ) parameter symbol test condition minimum typical maximum units p out v cc = 3.5 v t case = +25 c p in = C1 dbm 31.0 32.0 ? p out _max low voltage v cc = 3.1 v v ramp = m ax v ramp 4 C20 c t case +85 c p in = C1 dbm 28.5 30.0 ? output power p out _max high voltage v cc = 4.8 v v ramp = max v ramp 4 C20 c t case +85 c p in = C1 dbm 28.5 32.5 ? dbm input vswr in 0 dbm p out 31 dbm v ramp controlled 2 ? 1.5:1 2.5:1 ? p out r x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en_high txen = v t x en_low rx2 mode ? C65 C53 forward isolation 3 p out_enabled_t x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en_high txen = v t x en_high ? C35 C5 dbm coupling of dcs tx output to receive rf output pad 3 cdcs_tx-rx_?0 0 dbm p out 31 dbm ? 0 5 dbm spurious spur all combinations of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm load mismatch load all combinations of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 20:1, all phase angles no module damage or permanent degradation at ? 0 + 20 mhz (1805 mhz to 1880 mhz) rbw = 100 khz v cc = 3.5 v t case = +25 c 0 dbm p out 31 dbm ? C83 C78 rx band spurious rx _spur 925 mhz to 960 mhz rbw = 100 khz v cc = 3.5 v t case = +25 c 0 dbm p out 31 dbm ? ? C87 dbm power control dynamic range pc dr 35 50 ? db free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 10 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e table 7. SKY77550 electrical specifications 1 (3 of 3) [continued] dcs1800 (tx_hb) mode (? = 1710 mhz to 1785 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum units v batt = 3.5 v 30 dbm p out 31 dbm t case = +25 c C1.5 ? 1.5 control level 0 30 dbm p out 31 dbm C2.0 ? 2.0 v batt = 3.5 v 14 dbm p out 28 dbm t case = +25 c C2.5 ? 2.5 control level 1-8 14 dbm p out 28 dbm C3.5 ? 3.5 v batt = 3.5 v 4 dbm p out 12 dbm t case = +25 c C3.5 ? 3.5 control level 9-13 4 dbm p out 12 dbm C4.5 ? 4.5 v batt = 3.5 v 0 dbm p out 2 dbm t case = +25 c C4.5 ? 4.5 power control variation control level 14-15 pc v 0 dbm p out 2 dbm C5.5 ? 5.5 db power control slope pc s 0 dbm to 31 dbm ? ? 250 db/v dcs1800 receive (? =1805 mhz to 1880 mhz) rx mode parameter symbol test condition minimum typical maximum units frequency range ? 1805 ? 1880 mhz insertion loss, ant to rx 5,3 il_rx 5 t case = +25 c ? 1.2 1.5 db vswr ant, rx 5,3 in , out ? 1.2:1 1.5:1 1 unless specified otherwise: t case = C20 c to max. operating te mperature (see table 2); rl = 50 ; pulsed operation with pulse width 1154 s and duty cycle 2:8; 3.1 v v cc 4.8 v. 2 v ramp is calibrated to each pcl at t case = +25 c, v batt = 3.5 v, p in = 3 dbm, 50 load. 3 terminate all unused rf ports with 50 loads 4 max v ramp = v ramp @ p out =31 dbm, 50 load, t case +25 c, v batt = 3.5 v, p in = 3 dbm 5 rx1 and rx2 are broadband receive ports and each supports the gsm850, gsm900, dcs, and pcs bands. table 8. SKY77550 electrical specifications 1 (1 of 3) pcs1900 (tx_hb) mode (? = 1850 mhz to 1910 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum units frequency range ? 1850 ? 1910 mhz input power p in C1 ? 5 dbm analog power control voltage v ramp 0.2 ? 1.6 v power added efficiency pae v cc = 3.5 v p out = 31 dbm p in = 3 dbm duty cycle 1:8 t case = +25 c 37 41 ? % free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 11 table 8. SKY77550 electrical specifications 1 (2 of 3) [continued] pcs1900 (tx_hb) mode (? = 1850 mhz to 1910 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum units i cc _31 dbm v cc = 3.5 v p in = 3 dbm p out = 31 dbm duty cycle 1:8 t case = +25 c ? 0.88 0.97 a supply current @ rated power i cc _28 dbm v cc = 3.5 v p in = 3 dbm p out = 28 dbm duty cycle 1:8 t case = +25 c 630 ma supply current @ minimum power i cc _0 dbm v cc = 3.5 v p in = 3 dbm p out = 0 dbm duty cycle 1:8 t case = +25 c 45 55 ma harmonics 2? 0 to 7? 0 bw = 3 mhz, 0 dbm p out 31 dbm v ramp controlled 2 ? C40 C33 dbm mismatch harmonics 2? 0 , 3? 0 bw = 3 mhz v ramp = m ax v ramp 4 v batt = 3.5 v vswr = 3:1 all phases t case = +25 c C33 dbm p out v cc = 3.5 v t case = +25 c p in = C1 dbm 31.0 32.0 ? p out _max low voltage v cc = 3.1 v v ramp = m ax v ramp 4 C20 c t case +85 c p in = C1 dbm 28.5 30.0 ? output power p out _max high voltage v cc = 4.8 v v ramp = m ax v ramp 4 C20 c t case +85 c p in = C1 dbm 28.5 32.5 ? dbm input vswr in 0 dbm p out 31 dbm v ramp controlled 2 ? 1.5:1 2.5:1 ? p out r x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en _high txen = v t x en_low rx2 mode ? C60 C53 forward isolation 3 p out_enabled_t x p in = 5 dbm v ramp 0.1 v v sw_en = v sw_en_high txen = v t x en_high ? C35 C5 dbm coupling of pcs tx output to receive rf output pad 3 cpcs_tx-rx_?0 0 dbm p out 31 dbm ? 0 5 dbm spurious spur all combinations of the following parameters: v ramp = controlled 2 p in = min. to max 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 12:1, all phase angles no parasitic oscillation > C36 dbm free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 12 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e table 8. SKY77550 electrical specifications 1 (3 of 3) [continued] pcs1900 (tx_hb) mode (? = 1850 mhz to 1910 mhz, C1 dbm p in 5 dbm) parameter symbol test condition minimum typical maximum units load mismatch load all combinations of the following parameters: v ramp = controlled 2 p in = min. to max. 3.1 v v cc 4.8 v C20 c t case +85 c load vswr = 20:1, all phase angles no module damage or permanent degradation at ? 0 + 20 mhz (1930 mhz to 1990 mhz) rbw = 100 khz v cc = 3.5 v t case = +25 c 0 dbm p out 31 dbm ? C83 C78 rx band spurious rx _spur 869 mhz to 894 mhz rbw = 100 khz v cc = 3.5 v t case = +25 c 0 dbm p out 31 dbm ? ? C87 dbm power control dynamic range pc dr 35 50 ? db v batt = 3.5 v 30 dbm p out 31 dbm t case = +25 c C1.5 ? 1.5 control level 0 30 dbm p out 33 dbm C2.0 ? 2.0 v batt = 3.5 v 14 dbm p out 28 dbm t case = +25 c C2.5 ? 2.5 control level 1-8 14 dbm p out 28 dbm C3.5 ? 3.5 v batt = 3.5 v 4 dbm p out 12 dbm t case = +25 c C3.5 ? 3.5 control level 9-13 4 dbm p out 12 dbm C4.5 ? 4.5 v batt = 3.5 v 0 dbm p out 2 dbm t case = +25 c C4.5 ? 4.5 power control variation control level 14-15 pc v 0 dbm p out 2 dbm C5.5 ? 5.5 db power control slope pc s 0 dbm to 31 dbm ? ? 250 db/v pcs1900 receive (? = 1930 mhz to 1990 mhz) = rx mode parameter symbol test condition minimum typical maximum units frequency range ? 1930 ? 1990 mhz insertion loss, ant to rx 5,3 il_rx 5 t case = +25 c ? 1.2 1.5 db vswr ant, rx 5,3 in , out ? 1.2:1 1.5:1 1 unless specified otherwise: t case = C20 c to max. operating te mperature (see table 2); rl = 50 ; pulsed operation with pulse width 1154 s and duty cycle 2:8; 3.1 v v cc 4.8 v. 2 v ramp is calibrated to each pcl at t case = +25 c, v batt = 3.5 v, p in = 3 dbm, 50 load. 3 terminate all unused rf ports with 50 loads 4 max v ramp = v ramp @ p out =31 dbm, 50 load, t case +25 c, v batt = 3.5 v, p in = 3 dbm 5 rx1 and rx2 are broadband receive ports and each supports the gsm850, gsm900, dcs, and pcs bands. free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 13 figure 2. SKY77550 application schematic diagram free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 14 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e package dimensions figure 3 is a mechanical diagram of the pad layout for the SKY77550, a 28-pad leadless dual-band fem. figure 4 provides a recommended phone board layout footprint for the fem to help the designer attain optimum thermal conductivity, good grounding, and minimum rf discontinuity for the 50-ohm terminals. figure 3. dimensional drawing for 6 mm x 6 mm x 0.9 mm, 28-pad package C SKY77550 specific (all views) free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 15 figure 4. phone pcb layout footprint for 6 mm x 6 mm, 28-pad package with grid-bottom solder mask C SKY77550 specific. free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 16 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e package description figure 5 illustrates the device pad configuration and the numbering convention which starts with pad 1 at the lower left, as indicated and increments counter-clockwise around the package. table 9 lists the pad names and the associated signal descriptions. figure 6 interprets typical case markings. figure 5. SKY77550 fem pad configuration C 28-pad leadless (top view) table 9. SKY77550 pad names and signal descriptions pad 1 name description 3, 4 vbatt battery input voltage (pads internally common) 9 tx_lb_in rf input 824C915 mhz 10 tx_hb_in rf input 1710C1910 mhz 11 vsw_en control logic leve l selection/standby control 12 bs band select (mode control) 16 vramp analog power control voltage input 17 txen tx-rx select (mode control) 19 rx1 broadband receive port 21 rx2 broadband receive port 26 ant rf_in / rf_out to antenna 1 pads 1, 2, 5C8, 15, 22C25, 27, 28 are gro und pads. pads 13, 14, 18, 20 are reserved figure 6. typical case markings package handling information because of its sensitivity to moisture absorption, this device package is baked and vacuum-packed prior to shipment. instructions on the shipping container label must be followed regarding exposure to moisture after the container seal is broken, otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. the SKY77550 is capable of withstanding an msl3/260 c solder reflow. care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. if the part is attached in a reflow oven, the temperature ramp rate should not exceed 3 c per second; maximum temperature should not exceed 260 c. if the part is manually attached, precaution should be taken to insure that the part is not subjected to temperatures exceeding 260 c for more than 10 seconds. for details on attachment techniques, precautions, and handling procedures recommended by skyworks, please refer to skyworks application note: pcb design and smt assembly/rework , document number 101752. additional information on standard smt reflow profiles can also be found in the jedec joint industry standard j-std-020 . production quantities of this product are shipped in the standard tape-and-reel format (figure 7). free datasheet http:///
SKY77550 tx quad-band / rx dual-band bifet ipac? fem for preliminary data sheet gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 201138e ? skyworks proprietary and confidential information ? products and product informatio n are subject to change withou t notice. ? september 8, 2010 17 figure 7. dimensional diagram for carrier tape body size 6 mm x 6 mm x 0.85 / 1.1 mm C mcm free datasheet http:///
preliminary data sheet SKY77550 tx quad-ba nd / rx dual-band bifet ipac? fem for gsm / gprs (824-915 mhz and 1710-1910 mhz) skyworks solutions, inc. ? phone [ 781] 376-3000 ? fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com 18 september 8, 2010 ? skyworks proprietary and confidential info rmation ? products and produc t information are subject to ch ange without notice. ? 201138e electrostatic discharge (esd) sensitivity to avoid esd damage, both latent and visible, it is very important that the product assembly and test areas follow the esd handling precautions listed below. ? personnel grounding ? facility - wrist straps - relative humidity control and air ionizers - conductive smocks, gloves and finger cots - dissipative floors (less than 109 to gnd) - antistatic id badges ? protective workstation ? protective packaging and transportation - dissipative table top - bags and pouches (faraday shield) - protective test equipment (properly grounded) - protective tote boxes (conductive static shielding) - grounded tip soldering irons - protective trays - solder conductive suckers - grounded carts - static sensors - protective work order holders free datasheet http:///
ordering information model number manufacturing part number product revision package operating temperature SKY77550 SKY77550 mcm 6 mm x 6 mm x 0.9 C20 c to +85 c revision history revision date description a october 27, 2009 initial release C advance information b november 9, 2009 revise: figure 4 c april 11, 2010 revise: description (p1); tables 2C8 d may june 14, 2010 revise: change data sheet status to preliminary from advance; description, features list (p1); figure 2; tables 4C9; references e september 8, 2010 revise: features li st (p1); tables 4C8; figures 4, 7 references skyworks application note: pcb design and smt assembly/rework, document number 101752 skyworks application note: ipac? peak output power calibration, document number 103180 skyworks application note: SKY77550 bifet ipac? front- end module C implementation, document number 201287 standard smt reflow profiles: jedec standard j-std-020 ? 2009, 2010, skyworks solutions, inc. all rights reserved information in this document is provided in connection with skyw orks solutions, inc. (skyworks) products or services. these m aterials, including the information contained herein, are provided by skyworks as a service to its customers and may be used for informational purposes only by the customer. skyworks assumes no responsibility for errors or omissions in these materials or the information contained herein. skyworks may change its documentat ion, products, services, specific ations or product descriptions at any time, without notice. sk yworks makes no commitment to update the materials or information and shall have no responsib ility whatsoever for conflicts, incompatibilities, or other diff iculties arising from any future changes. no license, whether express, implied, by estoppel or otherwise, is granted to any intellectual property rights by this document . skyworks assumes no liability for any materials, products or information provided hereunder, including the sale, distribution, re production or use of skyworks products, information or mate rials, except as may be provided in skyworks terms and conditions of sale. the materials, products and information are pr ovided as is without warranty of any ki nd, whether express, implied, statutory, or otherwise, including fitness for a particular purpose or use, merchantabilit y, performance, quality or non-infringeme nt of any intellectual property right; all such warranties are hereby expressly disclaimed. skywo rks does not warrant the accuracy or completeness of the information, text, graphics or other items contained within these materials. skyworks shall not be liable for any damages, including but not li mited to any special, indirect, incidental, statutory, or con sequential damages, including without limitation, lost revenues or lost profits that may result from the use of the materials or info rmation, whether or not the reci pient of materials has been advised of the possibility of such damage. skyworks products are not intended for use in medical, lifesavi ng or life-sustaining applications, or other equipment in which the failure of the skyworks products could lead to personal injury, death, physical or environmental damage. skyworks customers using or selling skyworks products for use in such applications do so at their own risk and agree to fully indemnify skyworks for any damages resulting from such improper use or sale. customers are responsible for their products and applications us ing skyworks products, which ma y deviate from published specifi cations as a result of design defects, errors, or operation of products outside of published pa rameters or design specifications. customers sh ould include design and operating safeguards to minimize these and other risks. skyworks assumes no liability for applications assistance, customer product design, or damage to any equipment resulting from the use of skyworks products outsid e of stated published specifications or parameters. skyworks, the skyworks symbol, breakthrough simplicity, dcr, he lios, hip3, innovation to go, intera, ipac, lipa, polar loop, and system smart are tr ademarks or registered trademarks of skyworks solutions, inc., in the united states and other count ries. third-party brands and names are for identification purpose s only, and are the property of their respective owners. additional information, including relevant terms and conditions, posted at www.skyworksinc.com, are incorporated by reference. free datasheet http:///

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