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| Product Specification PE4231 Product Description The PE4231 SPDT High Power UltraCMOSTM RF Switch is designed to cover a broad range of applications from DC to 1.3 GHz. This single-supply reflective switch integrates on-board CMOS control logic driven by a simple, single-pin CMOS or TTL compatible control input. Using a nominal +3-volt power supply, a typical input 1 dB compression point of +32 dBm can be achieved. The PE4231 also exhibits input-output isolation of better than 42 dB at 1.0 GHz and is offered in a small 8-lead MSOP package. The PE4231 SPDT High Power UltraCMOSTM RF Switch is manufactured in Peregrine's patented Ultra Thin Silicon (UTSi(R)) CMOS process, offering the performance of GaAs with the economy and integration of conventional CMOS. Figure 1. Functional Diagram RFCommon SPDT High Power UltraCMOSTM DC - 1.3 GHz RF Switch Features * Optimized for 75 systems * Single +3-volt power supply * Low insertion loss: 0.80 dB at 1.0 GHz * High isolation: 42 dB at 1.0 GHz * Typical input 1 dB compression point of +32 dBm * Single-pin CMOS or TTL logic control * Low cost Figure 2. Package Type 8-lead MSOP RF1 RF2 CMOS Control Driver CTRL Table 1. Electrical Specifications @ +25 C, VDD = 3 V (ZS = ZL = 75 ) Parameter Operation Frequency Insertion Loss Isolation - RFCommon to RF1/RF2 Isolation - RF1 to RF2 Return Loss `ON' Switching Time `OFF' Switching Time Video Feedthrough 2 3 1 Conditions 50 MHz 1000 MHz 50 MHz 1000 MHz 50 MHz 1000 MHz 1000 MHz CTRL to 0.1 dB final value, 2 GHz CTRL to 25 dB isolation, 2 GHz Minimum DC Typical 0.50 Maximum 1300 0.60 0.90 Units MHz dB dB dB dB ns ns mVpp dBm dBm 73 40 58 33 16 0.80 75 42 60 35 17 2000 900 15 Input 1 dB Compression Input IP3 Notes: 3 1000 MHz 1000 MHz, 17 dBm 30 50 32 1. Device linearity will begin to degrade below 1 MHz. 2. Measured with a 1 ns risetime, 0/3 V pulse and 500 MHz bandwidth. 3. Measured in a 50 system. (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 1 of 7 Document No. 70-0097-01 www.psemi.com PE4231 Product Specification Figure 3. Pin Configuration (Top View) Table 4. DC Electrical Specifications Parameter Min 2.7 Typ 3.0 29 Max 3.3 35 Units V A V VDD CTRL 1 2 8 7 RF1 GND VDD Power Supply Voltage IDD Power Supply Current (VDD = 3V, VCNTL = 3V) Control Voltage High 4231 GND 3 4 6 5 GND 0.7xVDD 0.3xVDD Control Voltage Low RFCommon RF2 V Table 2. Pin Descriptions Pin No. 1 2 Table 5. Truth Table Control Voltage Signal Path RFCommon to RF1 RFCommon to RF2 Pin Name VDD CTRL Description Nominal +3 V supply connection. CMOS or TTL logic level: High = RFCommon to RF1 signal path Low = RFCommon to RF2 signal path Ground connection. Traces should be physically short and connected to ground Common RF port for switch.1 RF2 port.1 Ground Connection. Traces should be physically short and connected to ground Ground Connection. Traces should be physically short and connected to ground RF1 port.1 CTRL = CMOS or TTL High CTRL = CMOS or TTL Low 3 GND 4 5 6 RF Common RF2 GND The control logic input pin (CTRL) is typically driven by a 3-volt CMOS logic level signal, and has a threshold of 50% of VDD. For flexibility to support systems that have 5-volt control logic drivers, the control logic input has been designed to handle a 5-volt logic HIGH signal. (A minimal current will be sourced out of the VDD pin when the control logic input voltage level exceeds VDD.) Latch-Up Avoidance 7 GND 8 RF1 Unlike conventional CMOS devices, UltraCMOSTM devices are immune to latch-up. Electrostatic Discharge (ESD) Precautions When handling this UltraCMOSTM device, observe the same precautions that you would use with other ESD-sensitive devices. Although this device contains circuitry to protect it from damage due to ESD, precautions should be taken to avoid exceeding the rating specified in Table 3. Note 1: All RF pins must be DC blocked with an external series capacitor or held at 0 VDC. Table 3. Absolute Maximum Ratings Symbol VDD VI VCTRL TST TOP PIN VESD Parameter/ Conditions Power supply voltage Voltage on any input except for the CTRL input Voltage on CTRL input Storage temperature range Operating temperature range Input power (50) ESD voltage (Human Body Model) Min -0.3 -0.3 Max 4.0 VDD+ 0.3 5.0 Units V V V C C dBm V -65 -40 150 85 33 200 (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 2 of 7 Document No. 70-0097-01 UltraCMOSTM RFIC Solutions PE4231 Product Specification Typical Performance Data @ -40 C to 85 C (Unless Otherwise Noted) Figure 4. Insertion Loss - RFC to RF1 Figure 5. Input 1dB Compression Point 40 -40 8C 0 -0.25 1dB Compression Point (dBm) -40 8C Insertion Loss (dB) -0.5 30 85 8C 25 8C -0.75 85 8C -1 25 8C 20 10 -1.25 -1.5 0 200 400 600 800 1000 1200 0 0 200 400 600 800 1000 1200 Frequency (MHz) Frequency (MHz) Figure 6. Insertion Loss - RFC to RF2 Figure 7. Isolation - RFC to RF1 0 0 -0.25 -40 8C Insertion Loss (dB) -0.5 Isolation (dB) -20 -40 -0.75 85 8C -1 25 8C -60 -1.25 -80 -1.5 0 200 400 600 800 1000 1200 -100 0 200 400 600 800 1000 1200 Frequency (MHz) Frequency (MHz) Document No. 70-0097-01 www.psemi.com (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 3 of 7 PE4231 Product Specification Typical Performance Data @ -40 C to 85 C (Unless Otherwise Noted) Figure 8. Isolation - RFC to RF2 Figure 9. Isolation - RF1 to RF2, RF2 to RF1 0 0 -20 -20 RF2 Isolation (dB) Isolation (dB) -40 -40 RF1 -60 -60 -80 -80 -100 0 200 400 600 800 1000 1200 -100 0 200 400 600 800 1000 1200 Frequency (MHz) Frequency (MHz) Figure 10. Return Loss - RFC Figure 11. Return Loss - RF1, RF2 0 0 -10 Return Loss (dB) -10 RF2 Return Loss (dB) -20 -20 RF1 -30 -30 -40 0 200 400 600 800 1000 1200 -40 0 200 400 600 800 1000 1200 Frequency (MHz) Frequency (MHz) (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 4 of 7 Document No. 70-0097-01 UltraCMOSTM RFIC Solutions PE4231 Product Specification Evaluation Kit The SPDT Switch Evaluation Kit board was designed to ease customer evaluation of the PE4231 SPDT switch. The RF common port is connected through a 75 transmission line to the top left BNC connector, J1. Port 1 and Port 2 are connected through 75 transmission lines to the top two BNC connectors on the right side of the board, J2 and J3. A through transmission line connects BNC connectors J4 and J5. This transmission line can be used to estimate the loss of the PCB over the environmental conditions being evaluated. The board is constructed of a two metal layer FR4 material with a total thickness of 0.031". The bottom layer provides ground for the RF transmission lines. The transmission lines were designed using a coplanar waveguide with ground plane model using a trace width of 0.021", trace gaps of 0.030", dielectric thickness of 0.028", metal thickness of 0.0014" and r of 4.4. J6 provides a means for controlling DC and digital inputs to the device. Starting from the lower left pin, the second pin to the right (J6-3) is connected to the device CNTL input. The fourth pin to the right (J6-7) is connected to the device VDD input. A decoupling capacitor (100 pF) is provided on both CNTL and VDD traces. It is the responsibility of the customer to determine proper supply decoupling for their design application. Removing these components from the evaluation board has not been shown to degrade RF performance. J6-7 Figure 8. Evaluation Board Layouts Figure 9. Evaluation Board Schematic 100 pF Optional VDD RF1 J2 CNTL J6-3 100 pF Optional GND GND GND RFC J1 RF2 J3 J5 J4 Document No. 70-0097-01 www.psemi.com (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 5 of 7 PE4231 Product Specification Figure 14. Package Drawing 8-lead MSOP TOP VIEW 0.65BSC 8 7 6 5 .525BSC 12o REF 2.450.10 2X 3.000.10 GAGE PLANE 0.25 0.510.13 -B12o REF R 0.90 MIN R 0.90 MIN 0o 6o 0.55 0.15 0.95 BSC 0.510.13 1 2 3 4 .25 ABC 2.950.10 -C0.860.08 2.950.10 1.10 MAX -A0.10 A 0.08 0.33 +0.07 -0.08 ABC 0.100.05 3.000.10 4.900.15 3.000.10 FRONT VIEW SIDE VIEW Table 6. Ordering Information Order Code 4231-01 4231-02 4231-00 4231-51 4231-52 Part Marking 4231 4231 PE4231-EK 4231 4231 Description PE4231-08MSOP-50A PE4231-08MSOP-2000C PE4231-08MSOP-EK PE4231G-08MSOP-50A PE4231G-08MSOP-2000C Package 8-lead MSOP 8-lead MSOP Evaluation Kit Green 8-lead MSOP Green 8-lead MSOP Shipping Method 50 units / Tube 2000 units / T&R 1 / Box 50 units / Tube 2000 units / T&R (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 6 of 7 Document No. 70-0097-01 UltraCMOSTM RFIC Solutions PE4231 Product Specification Sales Offices United States Peregrine Semiconductor Corp. 9450 Carroll Park Drive San Diego, CA 92121 Tel 1-858-731-9400 Fax 1-858-731-9499 Japan Peregrine Semiconductor K.K. 5A-5, 5F Imperial Tower 1-1-1 Uchisaiwaicho, Chiyoda-ku Tokyo 100-0011 Japan Tel: 011-81-3-3502-5211 Fax: 011-81-3-3502-5213 Europe Peregrine Semiconductor Europe Batiment Maine 13-15 rue des Quatre Vents F- 92380 Garches, France Tel: 011- 33-1-47-41-91-73 Fax : 011-33-1-47-41-91-73 China Peregrine Semiconductor 28G, Times Square, No. 500 Zhangyang Road, Shanghai, 200122, P.R. China Tel: 011-86-21-5836-8276 Fax: 011-86-21-5836-7652 For a list of representatives in your area, please refer to our Web site at: www.psemi.com Data Sheet Identification Advance Information The product is in a formative or design stage. The data sheet contains design target specifications for product development. Specifications and features may change in any manner without notice. The information in this data sheet is believed to be reliable. However, Peregrine assumes no liability for the use of this information. Use shall be entirely at the user's own risk. No patent rights or licenses to any circuits described in this data sheet are implied or granted to any third party. Peregrine's products are not designed or intended for use in devices or systems intended for surgical implant, or in other applications intended to support or sustain life, or in any application in which the failure of the Peregrine product could create a situation in which personal injury or death might occur. Peregrine assumes no liability for damages, including consequential or incidental damages, arising out of the use of its products in such applications. The Peregrine name, logo, and UTSi are registered trademarks and UltraCMOS is a trademark of Peregrine Semiconductor Corp. Preliminary Specification The data sheet contains preliminary data. Additional data may be added at a later date. Peregrine reserves the right to change specifications at any time without notice in order to supply the best possible product. Product Specification The data sheet contains final data. In the event Peregrine decides to change the specifications, Peregrine will notify customers of the intended changes by issuing a DCN (Document Change Notice). Document No. 70-0097-01 www.psemi.com (c)2005 Peregrine Semiconductor Corp. All rights reserved. Page 7 of 7 |
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