PAM

www.DataSheet4U.com PRELIMINARY DATA SHEET SKY77325: iPAC™ PAM for Quad-Band GSM / GPRS Applications • Quad-band cellular handsets encompassing - Class 4 GSM850/900 - Class 1 DCS1800 PCS1900 - Class 12 GPRS multi-slot operation Description The SKY77325 Power Amplifier Module (PAM) is designed in a low profile (1.2 mm), compact form factor for quad-band cellular handsets comprising GSM850/900, DCS1800, and PCS1900 operation. The PAM also supports Class 12 General Packet Radio Service (GPRS) multi-slot operation. The module consists of separate GSM850/900 PA and DCS1800/PCS1900 PA blocks, impedancematching circuitry for 50 Ω input and output impedances, and a Power Amplifier Control (PAC) block with an internal current-sense resistor. The custom BiCMOS integrated circuit provides the internal PAC function and interface circuitry. Fabricated onto a single Gallium Arsenide (GaAs) die, one Heterojunction Bipolar Transistor (HBT) PA block supports the GSM850/900 bands and the other supports the DCS1800 and PCS1900 bands. Both PA blocks share common power supply pins to distribute current. The GaAs die, the Silicon (Si) die, and the passive components are mounted on a multi-layer laminate substrate. The assembly is encapsulated with plastic overmold. RF input and output ports of the SKY77325 are internally matched to a 50 Ω load to reduce the number of external components for a quad-band design. Extremely low leakage current (2.5 µA, typical) of the dual PA module maximizes handset standby time. The SKY77325 also contains bandselect switching circuitry to select GSM (logic 0) or DCS/PCS (logic 1) as determined from the Band Select (BS) signal. In Figure 1 below, the BS pin selects the PA output (DCS/PCS OUT or GSM850/900 OUT) and the Analog Power Control (VAPC) controls the level of output power. VBATT and VSENSE pins connect to an internal current-sense resistor and interface to an integrated power amplifier control (iPAC™) function, which is insensitive to variations in temperature, power supply, process, and input power. The ENABLE input allows initial turn-on of PAM circuitry to minimize battery drain. Features • Low input power range - 0 to 6 dBm • High efficiency - GSM850 49% - GSM900 53% - DCS 53% - PCS 53% • BiCMOS PA controller and interface IC - Low power control slope - Fast response time - Improved control accuracy • Integrated closed loop power amplifier control • Internal ICC sense resistor for PAC • Input/Output matching 50 internal (with DC blocking) • 22-pin package • Small outline - 6 mm x 8 mm • Low profile - 1.2 mm maximum • Gold plated, lead-free contacts Figure 1. Functional Block Diagram Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004 1 PRELIMINARY DATA SHEET • SKY77325 iPAC™ PAM FOR QUAD-BAND GSM / GPRS diagram of a typical SKY77325 application. The SKY77325 is a static-sensitive electronic device and should not be stored or operated near strong electrostatic fields. Detailed information on device dimensions, pin descriptions, packaging and handling can be found in later sections of this data sheet. Electrical Specifications The following tables list the electrical characteristics of the SKY77325 Power Amplifier Module. Table 1 lists the absolute maximum ratings and Table 2 shows the recommended operating conditions. lists the electrical characteristics of the SKY77325 for modes GSM850, GSM900, DCS1800, and PCS1900. Figure 2 is a Table 1. Absolute Maximum Ratings Parameter Input Power (PIN) Supply Voltage (VCC), Standby, VAPC ≤ 0.3 V, ENABLE ≤ 0.2 V Control Voltage (VAPC) Storage Temperature Minimum — — –0.5 –55 Maximum 15 7 VCC_MAX – 0.2 (See Table 3) +100 Unit dBm V V °C Table 2. Recommended Operating Conditions Parameter Supply Voltage (VCC) Supply Current (ICC) Operating Case Temperature (TCASE) – Package Bottom Surface 1-Slot (12.5% duty cycle) 2-Slot (25.0% duty cycle) 3-Slot (37.5% duty cycle) 4-Slot (50.0% duty cycle) Minimum 2.9 0 –20 –20 –20 –20 Typical 3.5 — — — — — Maximum 4.8V 2.5 +100 +100 +85 +85 Unit V A °C Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 2 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 iPAC™ PAM FOR QUAD-BAND GSM / GPRS PRELIMINARY DATA SHEET • SKY77325 Table 3. SKY77325 Electrical Specifications (1) (1 of 8) Parameter Symbol Test Condition General Supply voltage Power control impedance ENABLE control voltage ENABLE current Band Select control voltage Band Select current Low High Low High VCC ZAPC VPE VPE IPE VBS VBS IBS VBS ≤ 3.0 V VCC ≤ 4.5 V VAPC = 0.1 V ENABLE ≤ 0.2 V TCASE = +25 °C PIN ≤ –60 dBm — — VPE ≤ 3.0 V — — — — — — 2.9 — –0.1 1.2 — –0.1 1.2 — 3.5 200 — — — — — — 4.8 — 0.6 VCC 30 0.6 VCC 30 µA µA V V kΩ V Minimum Typical Maximum Units Standby Mode Leakage current IQ — 2.5 10 µA VAPC Input Filter Bandwidth VAPC Threshold VAPC FBW VAPC THCL 85 150 120 200 150 250 kHz mV GSM850 Mode (f = 824 to 849 MHz and PIN = 0 to 6dBm) Frequency range Input power Analog power control voltage f PIN VAPC VCC = 3.5 V POUT = 34.5 dBm ENABLE > 2.0 V pulse width 577 µs duty cycle 1:8 TCASE = +25 °C BW = 3 MHz 6.5 dBm ≤ POUT ≤ 34.5 dBm VCC = 3.5 V TCASE = +25 °C VCC = 2.9 V ENABLE > 2.0 V TCASE = –20 °C to +100 °C (See Table 2 for multislot.) PIN = 0 dBm VCC = 4.5 V ENABLE > 2.0 V TCASE = –20 °C to +100 °C (See Table 2 for multislot.) PIN = 0 dBm POUT = 6.5 to 34.5 dBm, controlled by VAPC PIN = 6 dBm VAPC = 0.1 V ENABLE ≤ 0.2 V 824 0 0.2 — — — 849 6 2.1 MHz dBm V Power Added Efficiency PAE 45 49 — % 2nd to 13th harmonics 2fO to 13fO POUT — 34.5 –25 35.0 –10 — dBm dBm POUT MAX LOW VOLTAGE Output power 32.0 34.0 — POUT MAX HIGH VOLTAGE 32.0 35.7 — Input VSWR ΓIN — 1.5:1 2.0:1 — Forward isolation POUT STANDBY — –40 –35 dBm Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004 3 PRELIMINARY DATA SHEET • SKY77325 iPAC™ PAM FOR QUAD-BAND GSM / GPRS Table 3. SKY77325 Electrical Specifications (1) (2 of 8) Parameter Symbol Test Condition All combinations of the following parameters: VAPC = controlled (2) PIN = min. to max. VCC = 2.9 V to 4.8 V Load VSWR = 8:1, all phase angles All combinations of the following parameters: VAPC = controlled (2) PIN = min. to max. VCC = 2.9 V to 4.8 V Load VSWR = 10:1, all phase angles At fO + 20 MHz RBW = 100 kHz VCC = 3.5 V 6.5 dBm ≤ POUT ≤ 34.5 dBm TCASE = +25 °C At fO + 10 MHz RBW = 100 kHz VCC = 3.5 V 6.5 dBm ≤ POUT ≤ 34.5 dBm TCASE = +25 °C At 1805 to 1880 MHz RBW = 100 kHz VCC = 3.5 V 6.5 dBm ≤ POUT ≤ 34.5 dBm TCASE = +25 °C Coupling of Fundamental, 2nd, and 3rd harmonics from the GSM band into the DCS/PCS band Power control dynamic range Power control variation (Control level 5–15) 3.2 ≤ VCC ≤ 4.5 Power control variation (4) (Control level 16–19) Power control slope (4) Minimum Typical Maximum Units Spurious Spur No parasitic oscillation > –36 dBm Load mismatch Load No module damage or permanent degradation — –84 –82 dBm Noise power PNOISE — –81 –76 dBm — –106 –84 dBm fO 2fO 3fO PCDR PCV — POUT +14.5 to +34.5 dBm, +25 °C POUT +14.5 to +34.5 dBm PCV PCS POUT +6.5 to +12.5 dBm, +25 °C POUT +6.5 to +12.5 dBm 6.5 to 34.5 dBm Measured at the DCS/PCS output –15 dBm ≤ POUT ≤ 34.5 dBm — — — 30 –0.8 –1.2 –0.9 –1.3 — –8 –30 –30 50 — — — — — 0 –20 –20 dB +0.8 +1.2 +0.9 +1.3 150 dB/V dB dB dBm Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 4 May 14, 2004 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • 103196P5 iPAC™ PAM FOR QUAD-BAND GSM / GPRS PRELIMINARY DATA SHEET • SKY77325 Table 3. SKY77325 Electrical Specifications (1) (3 of 8) Parameter Symbol Test Condition Minimum Typical Maximum Units GSM900 Mode (f = 880 to 915 MHz and PIN = 0 to 6 dBm) Frequency range Input power Analog power control voltage f PIN VAPC — — — VCC = 3.5 V POUT = 34.5 dBm ENABLE > 2.0 V pulse width 577 µs duty cycle 1:8 TCASE = +25 °C BW = 3 MHz 6.5 dBm ≤ POUT ≤ 34.5 dBm VCC = 3.5 V TCASE = +25 °C VCC = 2.9 V ENABLE > 2.0 V TCASE = –20 °C to +100 °C (See Table 2 for multislot.) PIN = 0 dBm VCC = 4.5 V ENABLE > 2.0 V TCASE = –20 °C to +100 °C (See Table 2 for multislot.) PIN = 0 dBm POUT = 6.5 to 34.5 dBm, controlled by VAPC PIN = 6 dBm VAPC = 0.1 V ENABLE ≤ 0.2 V 880 0 0.2 — — — 915 6 2.1 MHz dBm V Power Added Efficiency PAE 49 53 — % 2nd to 13th harmonics 2fO to 13fO POUT — 34.5 –30 35.0 –10 — dBm POUT MAX LOW VOLTAGE Output power 32.0 33.0 — dBm POUT MAX HIGH VOLTAGE 32.0 36.3 — Input VSWR ΓIN — 1.5:1 2.0:1 — Forward isolation POUT STANDBY — –40 –35 dBm Skyworks Solutions, Inc. • Phone [781] 376-3000 • Fax [781] 376-3100 • sales@skyworksinc.com • www.skyworksinc.com 103196P5 • Skyworks Proprietary and Confidential Information. • Products and product information are subject to change without notice. • May 14, 2004 5 PRELIMINARY DATA SHEET • SKY77325 iPAC™ PAM FOR QUAD-BAND GSM / GPRS Table 3. SKY77325 Electri