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| DATA SHEET CX65100: 700 - 1000 MHz Linear Power Amplifier Applications * AMPS/CDMA/TDMA/GSM * Repeaters * WLL and ISM bands * Mobile radio * Paging * Telematics Description Skyworks CX65100 Power Amplifier (PA) is a fully matched, 8-pin Leadless Chip Carrier (LCC) surface mount module, developed for cellular, Wireless Local Loop (WLL), and Industrial, Scientific, Medical (ISM) applications. This small, power-efficient PA has a full 700 to 1000 MHz bandwidth coverage packed into a single compact package. All active circuitry in the module is contained in a single Gallium Arsenide (GaAs) Microwave Monolithic Integrated Circuit (MMIC). The CX65100 is manufactured with Skyworks Aluminum (Al) GaAs Heterojunction Bipolar Transistor (HBT) process, which allows for single supply operation while maintaining high efficiency and good linearity. Figure 1 shows a functional block diagram for the CX65100. The device package and pinout for the 8-pin Leadless Chip Carrier (LCC) are shown in Figure 2. Signal pin assignments and functional pin descriptions are provided in Table 1. Features * Typical POUT of 30 dBm * High linearity * Low power consumption * Single +3.4 V supply * LCC 8-pin, 8 x 8 mm package VREF 3 VCC1 8 VCC2 4 CX65100 Driver Stage Bias Power Stage Bias RFIN 2 Input Match PA Interstage Match PA Output Match 6 RFOUT MMIC GND 1, 5, 7 C1220 Figure 1. CX65100 Functional Block Diagram Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 101471F * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * August 13, 2004 1 DATA SHEET * CX65100 GND RFIN VREF 1 2 3 4 VCC1 8 7 6 5 GND RFOUT GND VCC2 S384 Figure 2. CX65100 Pinout- 8-Pin LCC Package (Top View) Table 1. CX65100 Signal Descriptions Pin # 1 2 3 4 GND RFIN VREF VCC2 Name Ground RF input Reference voltage Supply voltage Description Pin # 5 6 7 8 GND RFOUT GND VCC1 Name Ground RF output Ground Supply voltage Description Technical Description The CX65100 is comprised of two amplifier stages. The matching circuits for the input stage, inter-stage, and output stage are contained within the device. The bias circuits for both input and output stages are included within the device for optimum temperature tracking performance. The CX65100 is internally matched for optimum linearity and efficiency. The input and output stages are independently supplied using the VCC1 and VCC2 supply lines, pins 8 and 4 respectively. The bias reference voltage is supplied using a common VREF (pin 3) line. ensure that the part is not subjected to a temperature that exceeds 300 C for more than 10 seconds. Care must be taken when attaching this product, whether it is done manually or in a production solder reflow environment. Production quantities of this product are shipped in a standard tape and reel format. For packaging details, refer to the Skyworks Application Note, Tape and Reel, document number 101568. Electrical and Mechanical Specifications The absolute maximum ratings of the CX65100 are provided in Table 2. The recommended operating conditions are specified in Table 3 and electrical specifications are provided in Table 4. Typical performance characteristics over temperature of the CX65100 are illustrated in Figures 3 through 8. Figure 9 shows the package dimensions for the 8-pin CX65100 LCC and Figure 10 provides the tape and reel dimensions. Package and Handling Information Since the device package is sensitive to moisture absorption, it is baked and vacuum packed before shipping. Instructions on the shipping container label regarding exposure to moisture after the container seal is broken must be followed. Otherwise, problems related to moisture absorption may occur when the part is subjected to high temperature during solder assembly. If the part is attached in a reflow oven, the temperature ramp rate should not exceed 5 C per second. Maximum temperature should not exceed 225 C and the time spent at a temperature that exceeds 210 C should be limited to less than 10 seconds. If the part is manually attached, precaution should be taken to Electrostatic Discharge (ESD) Sensitivity The CX65100 is a static-sensitive electronic device. Do not operate or store near strong electrostatic fields. Take proper ESD precautions. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 2 August 13, 2004 * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * 101471F DATA SHEET * CX65100 Table 2. CX65100 Absolute Maximum Ratings Parameter RF input power Supply voltage Reference voltage Case operating temperature Storage temperature Note: Symbol PIN VCC VREF TC TST Min Typical Max 2 4.5 3.3 Units dBm V V C C -40 -55 +85 +125 Exposure to maximum rating conditions for extended periods may reduce device reliability. There is no damage to device with only one parameter set at the limit and all other parameters set at or below their nominal values. Table 3. CX65100 Recommended Operating Conditions Parameter Supply voltage Reference voltage Operating frequency VCC VREF FO 700 Symbol Min Typical 3.4 3.2 900 1000 Max Units V V MHz Table 4. CX65100 Electrical Characteristics (VCC = 3.4 V, VREF = 3.2 V, Frequency = 900 MHz, TC = 25 C, unless otherwise noted) Parameter Analog Inputs Frequency range Quiescent current Small signal gain Output power Efficiency Noise Figure (NF) Output IP3 IQ G POUT PAE NF OIP3 Two tones with 100 kHz spacing, PIN = -10 dBm per tone 32.5 PIN = -15 dBm PIN = 1 dBm PIN = 1 dBm 28 28 40 700 900 110 30 30 45 4 39.0 6 1000 140 MHz mA dB dBm % dB dBm Symbol Test Conditions Min Typical Max Units Note: The above specifications apply only to the 900 MHz operating frequency. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 101471F * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * August 13, 2004 3 DATA SHEET * CX65100 33 32 31 60 50 40 Gain (dB) 30 29 28 27 26 -15 -13 -11 -9 -7 -5 -3 -1 1 3 25 oC -40 oC 85 oC PAE (%) 30 20 10 0 -15 -13 -11 -9 -7 -5 -3 -1 1 3 25 oC -40 oC 85 oC PIN (dBm) PIN (dBm) Figure 3. Typical Gain vs PIN Over Temperature (Frequency = 900 MHz) Figure 4. Typical PAE vs PIN Over Temperature (Frequency = 900 MHz) 35 30 6 5 4 Small Signal Gain (dB) 25 NF (dB) 25 oC 20 15 10 5 0 750 800 850 900 950 1000 -30 oC 85 oC 3 2 1 0 25 oC -30 oC 85 oC 750 800 850 900 950 1000 Freq (MHz) Freq (MHz) Figure 5. Typical Small Signal Gain vs Frequency Over Temperature Figure 6. Typical Noise Figure vs Frequency Over Temperature 50 35 30 40 25 Pout (dBm) 30 20 15 25 oC OIP3 (dBm) 20 25 oC 10 -30 oC 85 oC 0 10 5 0 -30 oC 85 oC 750 800 850 900 950 1000 750 800 850 900 950 1000 Freq (MHz) Freq (MHz) Figure 8. Typical POUT vs Frequency Over Temperature Figure 7. Typical OIP3 vs Frequency Over Temperature Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 4 August 13, 2004 * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * 101471F DATA SHEET * CX65100 1.955 0.155 1.45 0.10 Pin 8 Pin 1 Pin 7 8.385 0.125 Pin 2 Pin 6 7.875 0.075 Pin 3 Pin 5 Pin 4 8.385 0.125 0.51 0.05 7.875 0.075 3.30 (2X) 1.65 (2X) 3.30 (2X) 0.81 (12X) DETAIL A Note: pin 1 connects to ground R.20 (8X) 3.99 R 2.54 3.94 Pin 9 1.91 (2X) 1.91 (2X) SEE DETAIL A 0.61 (12X) 1.65 (2X) 3.99 3.94 COPPER BOTTOM The bottom solder mask thickness = 0.063 maximum All measurements are in millimeters SOLDER MASK BOTTOM C1201 Figure 9. CX65100 8-Pin LCC Package Dimensions 12.00 0.10 1.50 0.10 2.00 0.10 4.00 0.10 B Pin #1 1.75 0.10 A A 7.50 0.10 16.00 +0.30/-0.10 B 8o Max 1.50 0.25 5o Max 0.318 0.013 Notes: 1. Carrier tape: black conductive polycarbonate or polystyrene. 2. Cover tape material: transparent conductive PSA. 3. All measurements are in millimeters. 8.89 0.10 8.88 0.10 2.14 0.10 A B C1221 Figure 10. CX65100 8-Pin LCC Tape and Reel Dimensions Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 101471F * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * August 13, 2004 5 DATA SHEET * CX65100 Evaluation Board Description Skyworks CX65100 Evaluation Board is used to test the performance of the CX65100 PA. The Evaluation Board schematic diagram is shown in Figure 11. The schematic shows the basic design of the board for the 700 to 1000 MHz range. Figure 12 provides the Evaluation Board assembly diagram. Figure 13 provides the Evaluation Board layer detail. Circuit Design Considerations The following design considerations are general in nature and must be followed regardless of final use or configuration 1. Paths to ground should be made as short as possible. 2. The ground pad of the CX65100 PA has special electrical and thermal grounding requirements. This pad is the main thermal conduit for heat dissipation. Since the circuit board acts as the heat sink, it must shunt as much heat as possible from the amplifier. As such, design the connection to the ground pad to dissipate the maximum wattage produced to the circuit board. Multiple vias to the grounding layer are required. 3. Three external output bypass capacitors (150 pF, 0.01 F, and 4.7 F) are required on the VCC1 (pin 8) supply input. The same three capacitors are also required on the VCC2 (pin 4) supply input. All three capacitors should be placed in parallel between the supply line and ground. Also, 0.01 F and 4.7 F bypass capacitors are required on the VREF input (pin 3). See Figure 11 for a detailed diagram. 4. VCC1 (pin 8) and VCC2 (pin 4) may be connected together at the supply. 5. At the RF input (pin 2), a DC blocking capacitor is required. 6. The RF output includes an onboard internal DC blocking capacitor. All impedance matching is provided internally. Therefore, the application only needs to provide a good 50 load. Testing Procedure Use the following procedure to set up the CX65100 Evaluation Board for testing. Refer to Figure 14 for guidance: 1. Connect a +3.4 V supply voltage to VCC1 and VCC2, and +3.2 V supply voltage to VREF. If available, enable the current limiting function of the power supplies to 1.0 A for the +3.4 V supply current and 30 mA for the +3.2 V supply current. 2. Connect a signal generator to the RF signal input port. Set it to the desired RF frequency at a power level of 2 dBm or less to the Evaluation Board but do NOT enable the RF signal. 3. Connect a spectrum analyzer to the RF signal output port. 4. Enable the power supply. 5. Enable the RF signal. 6. Take measurements. Caution: If the input signal exceeds the rated power, the CX65100 Evaluation Board can be permanently damaged. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 6 August 13, 2004 * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * 101471F DATA SHEET * CX65100 +3.4 V C1 4.7 mF C3 150 pF VCC1 8 1 C2 0.01 mF T1 RF in C9 22 pF T2 50 W microstrip 7 T3 50 W microstrip RF out RFIN VREF C7 0.01 mF C8 4.7 mF 2 3 4 VCC2 C4 150 pF C5 0.01 mF Pin 9 Package Base 6 5 RFOUT +3.2 V Notes: 1) Pin 9 provides both a thermal and electrical ground. This ground path is critical and must be as short as possible. 2) Transmission line lengths T1 and T2 should be minimized. C6 4.7 mF +3.4 V C1237a Figure 11. Evaluation Board Schematic, 700 MHz to 1000 MHz 8x8 PA EVALUATION BD. C1 C2 C9 J1 (RF In) C7 C3 C8 C4 C5 C6 J2 (RF Out) VCC 1 VCC 2 GND GND VREF J3 Figure 12. Evaluation Board Assembly Diagram GND C1257 Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 101471F * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * August 13, 2004 7 DATA SHEET * CX65100 Layer 1: Top - Metal Layer 2: Inner Traces Layer 3: Solid Ground Plane C1253a Figure 13. Evaluation Board Layer Detail Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 8 August 13, 2004 * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * 101471F DATA SHEET * CX65100 Power Supply Signal Generator Input CX65100 Evaluation Board Output Power Meter or Spectrum Analyzer C1240a Figure 14. CX65100 Evaluation Board Testing Configuration Ordering Information Model Name CX65100 700-1000 MHz Linear Power Amplifier Manufacturing Part Number CX65100-11 TW10-D802 Evaluation Kit Part Number Copyright (c) 2001, 2002, 2004, Skyworks Solutions, Inc. All Rights Reserved. Information in this document is provided in connection with Skyworks Solutions, Inc. ("Skyworks") products. These materials 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. Skyworks may make changes to its documentation, products, specifications and product descriptions at any time, without notice. Skyworks makes no commitment to update the information and shall have no responsibility whatsoever for conflicts, incompatibilities, or other difficulties arising from future changes to its documentation, products, specifications and product descriptions. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by or under this document. Except as may be provided in Skyworks Terms and Conditions of Sale for such products, Skyworks assumes no liability whatsoever in association with its documentation, products, specifications and product descriptions. THESE MATERIALS ARE PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED OR OTHERWISE, RELATING TO SALE AND/OR USE OF SKYWORKS PRODUCTS INCLUDING WARRANTIES RELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, PERFORMANCE, QUALITY OR NON-INFRINGEMENT OF ANY PATENT, COPYRIGHT OR OTHER INTELLECTUAL PROPERTY RIGHT. SKYWORKS FURTHER 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 SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT LIMITATION, LOST REVENUES OR LOST PROFITS THAT MAY RESULT FROM THE USE OF THESE MATERIALS WHETHER OR NOT THE RECIPIENT OF MATERIALS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Skyworks products are not intended for use in medical, lifesaving or life-sustaining applications. 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. The following are trademarks of Skyworks Solutions, Inc.: SkyworksTM, the Skyworks logo, and Breakthrough SimplicityTM. Product names or services listed in this publication are for identification purposes only, and may be trademarks of Skyworks or other third parties. Third-party brands and names are the property of their respective owners. Additional information, posted at www.skyworksinc.com, is incorporated by reference. Skyworks Solutions, Inc. * Phone [781] 376-3000 * Fax [781] 376-3100 * sales@skyworksinc.com * www.skyworksinc.com 101471F * Skyworks Proprietary and Confidential information * Products and product information are subject to change without notice * August 13, 2004 9 |
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