High Isolation DPDT Switch CXM3648UR Description The CXM3648UR is a high power and high isolation DPDT switch for wireless communication systems. This IC has a 1.8 V CMOS compatible decoder. The Sony GaAs junction gate pHEMT (JPHEMT) MMIC process is used for low insertion loss and high linearity. (Application: LTE/CDMA/GSM/UMTS Handsets ) Features ◆ Low Insertion loss: 0.30 dB (Typ.) (Cellular Band ) 0.41 dB (Typ.) (IMT2000 ) ◆ High Isolation: 32dB (Typ.) @Band7 ◆ Low voltage operation: VDD = 2.5 V ◆ No DC blocking capacitors are required on RF ports as long as no DC voltage is applied ◆ 1 Control input ◆ Small package size: UQFN-12 pin (2.0 mm × 2.0 mm) ◆ Lead-Free and RoHS compliant Structure GaAs JPHEMT MMIC switch, CMOS decoder Ordering Information Model Name Manufacturing Part Number Evaluation Part number CXM3648UR CXM3648UR-T9 IC: CXM3648UR Board: CXM3648UR-EVB Moisture Sensitivity Moisture Sensitivity Level for this part is MSL= 2 This IC is ESD sensitive device. Special handling precautions are required. 1 CXM3648UR Block Diagram DPDT Antenna Switch RF3 RF1 RF2 Decoder Logic RF4 VDD CTL MMIC Switch F4 F4 RF1 RF3 F1 F3 F8 F5 F7 F1 F3 RF4 RF2 F2 F2 F6 Truth Table CTL Active path F1,F3 F2,F4 F5,F7 F6,F8 L RF1-RF4 RF2-RF3 ON OFF OFF ON H RF1-RF3 RF2-RF4 OFF ON ON OFF 2 CXM3648UR Pin Configuration UQFN-12P PKG (2.0mm x 2.0mm) 1 GND 2 CTL 3 RF3 GND 12 11 10 GND 5 RF2 GND 4 9 RF4 8 GND 7 RF1 6 GND VDD GND (Top View) Absolute Maximum Ratings ♦ Bias voltage VDD 4 V (Ta = 25 ˚C) ♦ Control voltage Vctl 4 V (Ta = 25 ˚C) 36 dBm ♦ Maximum input power ♦ Operating temperature Topr –35 to +90 ˚C ♦ Storage temperature Tstg –65 to +150 ˚C (Duty cycle = 12.5 to 50 %, Ta = 25 ˚C) DC Bias Condition Parameter Min. Typ. Max. VDD 2.5 2.7 3.3 Vctl (H) 1.35 1.8 3.3 Vctl (L) 0 — 0.45 Unit V 3 CXM3648UR Target Electrical Characteristics (Ta = 25 °C, VDD = 2.5 V, Vctl = 0/1.8 V) Item Symbol Path RF1-RF4 RF2-RF3 Insertion Loss IL RF1-RF3 RF2-RF4 RF1-RF4 RF2-RF3 Isolation ISO RF1-RF3 RF2-RF4 VSWR VSWR All ports in active paths 2fo Condition Min. Typ. Max. *1, *2, *6, *8 ― 0.32 0.42 *3, *4, *7, *9 ― 0.43 0.53 *5 ― 0.48 0.63 *1, *2, *6, *8 ― 0.30 0.40 *3, *4, *7, *9 ― 0.41 0.51 *5 ― 0.45 0.60 *1, *2, *6, *8 35 40 ― *3, *4, *7, *9 32 35 ― *5 28 31.5 ― *1, *2, *6, *8 35 50 ― *3, *4, *7, *9 32 36.5 ― *5 28 32 ― 700 to 2700 MHz ― ― 1.5 ― -50 –41 ― -44 –41 ― -49 –41 ― -48 –41 ― ― –50 ― ― –50 *10, *11, *12, *15, *16, *19, *20, *23, *24 ― ― –105 *10, *13, *14, *17, *18, *21, *22, *25, *26 ― ― –105 7 10 µs 20 µs *6 3fo Harmonics 2fo 3fo RF1-RF4, RF3 RF2-RF3, RF4 *7 2fo *2, *3, *5 3fo Unit dB dB ― dBm Inter modulation distortion in Rx Band IMD2 Switching speed Ts 50 % Ctl to 90 % RF ― Wakeup time Twu VDD = 2.5 V to 90 % RF, Pin = 0 dBm ― Control current Ictl Vctl = 1.8 V ― 1 5 µA Supply current Idd VDD = 2.7 V ― 0.15 0.35 mA IMD3 RF1-RF4, RF3 RF2-RF3, RF4 Electrical characteristics are measured with all RF ports terminated in 50 Ω. *1 *2 *3 *4 *5 *6 *7 *8 *9 *10 Pin = 25 dBm, 704 to 787 MHz (Band 13, Band 17) Pin = 26 dBm, 824 to 960 MHz (Band 5, Band 8) Pin = 26 dBm, 1710 to 1990 MHz (Band 1 Tx, Band 2 Tx, Band 3 Tx, Band 4 Tx) Pin = 10 dBm, 2110 to 2170 MHz (Band 1 Rx, Band 4 Rx) Pin = 26 dBm, 2500 to 2690 MHz (Band 7) Pin = 35 dBm, 824 to 915 MHz (GSM850/900 Tx) Pin = 32 dBm, 1710 to 1910 MHz (GSM1800/1900 Tx) Pin = 10 dBm, 869 to 960 MHz (GSM850/900 Rx) Pin = 10 dBm, 1805 to 1990 MHz (GSM1800/1900 Rx) Measured with the recommended circuit. 4 dBm CXM3648UR IMD Condition Band Band 1 Band 2 Band 5 Band 7 fRx on RF [MHz] 2140 1960 880 2655 fTx +20 dBm on RF3/RF4 [MHz] fBlocker –15 dBm on RF1/RF2 [MHz] 1950 1880 835 2535 5 IMD condition IMD2 (fRx – fTx) 190 *11 IMD2 (fRx + fTx) 4090 *12 IMD3 (2fTx – fRx) 1760 *13 IMD3 (2fTx + fRx) 6040 *14 IMD2 (fRx – fTx) 80 *15 IMD2 (fRx + fTx) 3840 *16 IMD3 (2fTx – fRx) 1800 *17 IMD3 (2fTx + fRx) 5720 *18 IMD2 (fRx – fTx) 45 *19 IMD2 (fRx + fTx) 1715 *20 IMD3 (2fTx – fRx) 790 *21 IMD3 (2fTx + fRx) 2550 *22 IMD2 (fRx – fTx) 120 *23 IMD2 (fRx + fTx) 5190 *24 IMD3 (2fTx – fRx) 2415 *25 IMD3 (2fTx + fRx) 7725 *26 CXM3648UR Triple Beat Ratio (VDD = 2.5 V, Ta = 25 °C) Condition Item Triple beat ratio Symbol TBR Path RF1-RF4, RF3 RF2-RF3, RF4 Input power at RF3/ RF4 [dBm] Tx1 at RF3/ RF4 [MHz] Tx2 at RF3/ RF4 [MHz] Jammer at RF1/RF2 –30 dBm [MHz] Triple beat product at RF [MHz] 21.5 835.5 836.5 881.5 21.5 1880 1881 13.5 1732 1733 Min. Typ. Max. 881.5 ± 1 81 ― ― 1960 1960 ± 1 81 ― ― 2132 2132 ± 1 81 ― ― Unit dBc * Electrical characteristics are measured with all RF ports terminated in 50 Ω. Measured with the recommended circuit. IIP2 (VDD = 2.5 V, Ta = 25 °C) Condition Item Input IP2 Symbol IIP2 Path RF1-RF4, RF3 RF2-RF3, RF4 Tx at RF3/RF4 24 dBm [MHz] Jammer at RF1/RF2 –20 dBm [MHz] IM2 product at RF [MHz] Min. Typ. Max. 836.61 1718.22 881.61 113.5 ― ― 836.61 45 881.61 95.5 ― ― 1885 3850 1965 95.5 ― ― 1885 80 1965 95.5 ― ― 1732.5 3865 2132.5 95.5 ― ― 1732.5 400 2132.5 95.5 ― ― * Electrical characteristics are measured with all RF ports terminated in 50 Ω. Measured with the recommended circuit. 6 Unit dBm CXM3648UR Recommended Circuit (Top View) RF3 11 12 VDD 10 1 9 2 8 RF4 C2 C1 CTL 3 RF1 (ANT) 7 L1 5 4 6 L1 C1 RF2 (ANT) *1 No DC blocking capacitors are required on all RF ports. (Except sourcing DC bias) *2 The DC levels of all RF ports are GND. *3 L1 (27nH) and C1(12pF) are recommended on Ant port for ESD protection. *4 C2(100pF) is recommended on VDD pin for Decoupling Capacitor. 7 CXM3648UR Recommended Land Pattern 8 CXM3648UR Recommended PCB Design ●GND Via Hole PKG Line 9 CXM3648UR Package Outline (Unit: mm) 10 CXM3648UR Marking 11 CXM3648UR Tape and Reel Size CXM3648UR-T9 12 CXM3648UR Note The product specifications, circuit examples, technical information and any and all other information and content relating to the Products contained in this specification may be revised or updated by Sony at Sony’s sole discretion without prior notice to the Customer and Customer shall abide by their latest versions. Such revisions or updates will be made available to Customer in a way as Sony deems appropriate. Ensure that you have read and reviewed the notices contained in our delivery specification as well as this specification when purchasing and using the Products. 13