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DEMO-ALM-2712 Datasheet(PDF) 1 Page - Broadcom Corporation. |
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DEMO-ALM-2712 Datasheet(HTML) 1 Page - Broadcom Corporation. |
1 / 19 page Description Avago Technologies’ ALM-2712 is an ultra low-noise GPS front-end module that combines a low-noise amplifier (LNA) with GPS FBAR filters. The LNA uses Avago Tech- nologies’ proprietary GaAs Enhancement-mode pHEMT process to achieve high gain with very low noise figure and high linearity. Noise figure distribution is very tightly controlled. A CMOS-compatible shutdown pin is included either for turning the LNA on/off, or for current adjust- ment. The integrated filter utilizes an Avago Technologies’ leading-edge FBAR filter for exceptional rejection at Cellular, DCS, PCS and WLAN band frequencies. Bypass functionality with an external RF switch is possible with separate RF switching. The low noise figure and high gain, coupled with low cur- rent consumption make it suitable for use in critical low- power GPS applications or during low-battery situations. Component Image Surface Mount (3.0 x 2.5 x 1) mm3 12-lead MCOB Features Very Low Noise Figure: 1.26 dB typ. Exceptional Cell/DCS/PCS/WLAN-Band rejection Advanced GaAs E-pHEMT & FBAR Technology Low external component count. CMOS compatible shutdown pin (SD) ESD: > 3kV at RFin pin Adjustable bias current via single external resistor/ voltage Useable down to 1.8V supply voltage Small package dimension: 3.0(L)x2.5(W)x1(H) mm3 Meets MSL3, Lead-free and halogen free Specifications (Typical performance @ 25°C) At 1.575GHz, Vdd = 2.7V, Idd = 7.5mA Gain = 14.2 dB NF = 1.26 dB IIP3 = +5 dBm, IP1dB = +2 dBm S11 = -9 dB, S22 =-12 dB Low-Band Rejection (824 – 928MHz): 89 dBc High-Band Rejection (1710 – 1980MHz): 80 dBc WLAN-Band Rejection (2400 – 2500MHz): 72 dBc Application GPS Front-end Module Application Circuit ALM-2712 GPS Filter-LNA-Filter Front-End Module Data Sheet Note: Package marking provides orientation and identification “2712” = Product Code “Y” = Year of manufacture “M” = Month of manufacture “XXXX” = Last 4 digit of lot number Attention: Observe precautions for handling electrostatic sensitive devices. RF In (Pin 1) to GND: ESD Human Body Model = 3 kV All other Pins : ESD Machine Model = 50 V : ESD Human Body Model = 300 V Refer to Avago Application Note A004R: Electrostatic Discharge, Damage and Control. TOP VIEW Gnd (pin 6) Gnd (pin 5) Gnd (pin 10) Vsd (pin 11) Gnd (pin 4) Gnd (pin 12) BOTTOM VIEW Vdd (pin 9) Gnd (pin 3) RF In (pin 1) Gnd (pin 7) RF Out (pin 8) Gnd (pin 2) RF In (pin 1) Gnd (pin 2) Gnd (pin 3) Gnd (pin 4) Gnd (pin 5) Gnd (pin 7) RF Out (pin 8) Vdd (pin 9) Gnd (pin 12) Vsd (pin 11) Gnd (pin 6) Gnd (pin 10) 2712 YMXXXX RFin RFout Vdd = +2.7V Vsd C1 C2 |
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