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PE4309 Datasheet(PDF) 1 Page - Peregrine Semiconductor Corp. |
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PE4309 Datasheet(HTML) 1 Page - Peregrine Semiconductor Corp. |
1 / 6 page Page 1 of 9 Document No. 70-0218-07 │ www.psemi.com ©2007 Peregrine Semiconductor Corp. All rights reserved. This product is a high linearity, 6-bit RF Digital Step Attenuator (DSA) covering a 31.5 dB attenuation range in 0.5 dB steps. The Peregrine 50 Ω RF DSA provides a parallel CMOS control interface and it operates on 3-volt to 5-volt supply. It maintains high attenuation accuracy over frequency and temperature and exhibits very low insertion loss and low power consumption. This Peregrine DSA is available in a 4x4 mm 24 lead QFN footprint with an exposed ground paddle. The PE4309 is manufactured on Peregrine’s UltraCMOS™ process, a patented variation of silicon-on-insulator (SOI) technology on a sapphire substrate, offering the performance of GaAs with the economy and integration of conventional CMOS. Product Specification 50 Ω RF Digital Attenuator 6-bit, 31.5 dB, DC-4.0 GHz Product Description Figure 1. Functional Schematic Diagram PE4309 Features • Best in class 2.0 kV HBM ESD tolerance • Low Insertion Loss: 1.6 dB typical • Attenuation: 0.5 dB steps to 31.5 dB • High Linearity: Typical 52 dB IP3 • Best in Class Attenuation accuracy • Parallel programming interface • Single supply, 3V to 5V operation • Standard 3V or 5V CMOS control logic independent of supply voltage • Very low power consumption • RoHS-compliant 24-lead 4x4 mm QFN Control Logic Interface Parallel Control RF Input RF Output Switched Attenuator Array 6 Table 1. Electrical Specifications @ +25°C, VDD = 3.0 V - 5.0 V Notes: 1. Device Linearity will begin to degrade below 5 MHz. 2. Note Absolute Maximum in Table 4. 3. See Figures 12 and 13 for typical attenuation error. 4. Measurements made in a 50 ohm system (see Figure 4, Test Circuit Block Diagram). Resistors (R2, R3, R5, R6, R7) with a value of 10K-ohm are used to decouple the RF path from the control inputs. Figure 2. Package Type 4x4 mm 24-Lead QFN Parameter Test Conditions4 Frequency Min Typ Maximum Units Operation Frequency DC 4000 MHz Insertion Loss DC - 2.2 GHz 2.2 - 4.0 GHz - - 1.6 2.2 2 3.4 dB dB Attenuation Accuracy Any Bit or Bit Combination Any Bit or Bit Combination 0.5 - 7.5 dB States 3 8.0 - 15.5 dB States 3 16.0 - 31.5 dB States3 DC ≤ 1.0 GHz 1.0 < 2.2 GHz 2.2 < 3.8 GHz 2.2 < 3.8 GHz 2.2 < 3.8 GHz - - - - - - - 0.15 0.7 1.2 ±(0.10 + 3% of atten setting), not to exceed +0.20 dB ±(0.15 + 3% of atten setting) - - - dB dB dB dB dB 1 dB Compression2 1 MHz - 2.2 GHz 2.2 - 4.0 GHz 30 - 32 32 - - dBm dBm Input IP31 Two-tone inputs +18 dBm 1 MHz - 2.2 GHz 2.2 - 4.0 GHz - - 52 45 - - dBm dBm Return Loss DC - 2.2 GHz 2.2 - 4.0 GHz 15 10 20 20 - - dB dB Switching Speed 50% of control voltage to 90% of final attenuation level - - 1 µs |
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