CXG1108K Power Amplifier Module for JCDMA Description The CXG1108K is the power amplifier module which operates at a single power supply. This IC is designed using the Sony’s original p-Gate HFET process. 8 pin LCC (Ceramic) Features • Single power supply operation: VDD1 = VDD2 = 3.5V, VGG = 2.95V (@High mode), VGG = 2.7V (@Low mode) • Ultrasmall package: 0.065cc (6.2mm × 6.2mm × 1.7mm) • High efficiency: ηadd = 37.5% (@900MHz, POUT = 27dBm) • Output power (high/low mode switching supported): POUT ≤ 17dBm: Low mode (VGG = 2.7V) POUT = 17 to 27dBm: High mode (VGG 2.95V) • Gain: Gp = 26dB (@900MHz) Applications Power amplifier for JCDMA system cellular phones Structure p-Gate HFET module Recommended Operating Conditions VDD = 3.3 to 4.2V VGG = 2.95V±1% (High Mode) 2.7V±1% (Low Mode) Absolute Maximum Ratings • Operating case temperature • Storage temperature • Bias voltage Tcase Tstg VDD1, VDD2 • Bias voltage VGG –30 to +85 –30 to +125 (VDD1 • Input power PIN °C °C 6 V 3.3 V = VDD2 = 3.5V) 8 dBm GaAs module is ESD sensitive devices. Special handling precautions are required. Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits. –1– E00Y33A25-PS CXG1108K package Outline/Pin Configuration Front 7 GND PIN 1 6 VGG VDD1 2 5 GND VDD2 3 4 POUT 1 PIN 2 VDD1 3 VDD2 8 GND Back 7 VGG 6 GND 5 POUT 4 GND 9 8 GND GND –2– CXG1108K Electrical Characteristics Item (ZS = ZL = 50Ω, IS-95 Modulation, Ta = 25°C) Conditions Frequency Min. Typ. Max. Unit 887 925 MHz Current consumption 1 POUT = 27dBm, VDD = 3.5V, VGG = 2.95V 380 430 mA Current consumption 2 POUT = 14dBm, VDD = 3.5V, VGG = 2.7V 110 130 mA Gain POUT = 27dBm, VDD = 3.5V, VGG = 2.95V 26 28 dB ACPR1 (High mode) POUT = 27dBm, VDD = 3.5V, VGG = 2.95V, ±900kHz offset, 30kHz band width –51 –46 dBc ACPR2 (High mode) POUT = 27dBm, VDD = 3.5V, VGG = 2.95V, ±1.98MHz offset, 30kHz band width –60 –57 dBc ACPR1 (Low mode) POUT = 17dBm, VDD = 3.5V, VGG = 2.7V, ±900kHz offset, 30kHz band width –58 –46 dBc ACPR2 (Low mode) POUT = 17dBm, VDD = 3.5V, VGG = 2.7V, ±1.98MHz offset, 30kHz band width –75 –57 dBc 2nd, 3rd harmonics POUT = 27dBm, VDD = 3.5V, VGG = 2.95V –40 –30 dBc Input VSWR VDD = 3.5V, VGG = 2.95V 1.3 2.5 Gate current VGG = 2.95V, POUT ≤ 27dBm 2.5 5 mA Gain deviation within band POUT = 27dBm, VDD = 3.5V, VGG = 2.95V 1.2 2 dB –3– 24 CXG1108K Recommended External Circuit C1: 0.1µF, C2: 1µF, C3: 10µF, R: 5.1Ω L: 6.8nH GND R L VGG PIN C1 C2 C3 VDD1 C3 C2 C1 GND GND VDD2 POUT C3 C2 C1 GND Recommended Evaluation Board Board material: Glass fabric-base epoxy Size: 40mm × 50mm × 0.6mm Relative dielectric constant: 4.6 Front Back VGG GND C3 C2 C1 R L PIN C1 C2 GND POUT C1 C2 VDD1 C3 C3 GND GND VDD2 –4– CXG1108K Example of Representative Characteristics POUT vs. PIN Conditions: f = 900MHz VDD1 = VDD2 = 3.5V, VGG = 2.95V Ta = 25°C 34 32 30 POUT [dBm] 28 26 24 22 20 18 16 14 12 10 8 6 –18–16–14–12–10 –8 –6 –4 –2 0 2 4 6 8 10 PIN [dBm] Gain vs. POUT 28.0 550 27.5 500 27.0 450 26.5 400 26.0 350 25.5 Gain [dB] IDD [mA] IDD vs. POUT 600 300 250 25.0 24.5 200 24.0 150 23.5 100 23.0 50 22.5 0 22.0 8 10 12 14 16 18 20 22 24 26 28 30 32 POUT [dBm] POUT [dBm] ACPR2 vs. POUT –46 –48 –50 –52 –54 ACPR2 [dBc] ACPR1 [dBc] ACPR1 vs. POUT –34 –36 –38 –40 –42 –44 –46 –48 –50 –52 –54 –56 –58 –60 –62 –64 –66 8 10 12 14 16 18 20 22 24 26 28 30 32 –56 –58 –60 –62 –64 –66 –68 –70 8 10 12 14 16 18 20 22 24 26 28 30 32 POUT [dBm] –5– 8 10 12 14 16 18 20 22 24 26 28 30 32 POUT [dBm] CXG1108K Package Outline Unit: mm 8PIN LCC (Ceramic) ∗ 6.2 ± 0.3 1.9MAX 6.0 6.7MAX SOLDERING POINT PIN 1 INDEX Y Y 0.15 COAT TERMINAL C0.1 R0.2 0.15 3.4 ± 0.15 5.3 1.7 ± 0.1 S 0.1 6 7 R0.2 0.1 S DETAIL Y-Y 0.2 5.8 5 2 1 COAT DETAIL X X 4 3 0.6 ± 0.2 0.15 0.015MAX 3.8 1.6 0.9 1.7 8 1.1 ± 0.2 SOLDERING POINT TERMINAL PACKAGE STRUCTURE Dimension " ∗"dose not inculude cutting burr. SONY CODE LCC-8C-601 PACKAGE MATERIAL TERMINAL TREATMENT EIAJ CODE TERMINAL MATERIAL JEDEC CODE PACKAGE MASS –6– CERAMIC SUBSTRATE GOLD PLATING NICKEL PLATING 0.8g Sony Corporation