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SMA428ATR датащи(PDF) 1 Page - STMicroelectronics |
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SMA428ATR датащи(HTML) 1 Page - STMicroelectronics |
1 / 8 page 1/8 PRELIMINARY DATA March, 10 2003 SMA428A High Gain, Low Noise Amplifier Rthjs Thermal Resistance Junction soldering point 200 oC/W Symbol Parameter Value Unit Vcc Device voltage 4 V Vout Voltage at pin Out 4 V VGS Voltage at pin GS 3.5 V Itot Total Device Current 12 mA Iin Current into pin In 0.5 mA Ptot Total dissipation, Ts < 125 oC 60 mW PIN Input Power 8 dBm Top Operating temperature -40 to +85 oC Tstg Storage temperature -65 to +150 oC Tj Max. operating junction temperature 150 oC ORDER CODE SMA428ATR BRANDING TBD SOT323-6L (SC70) • HIGH GAIN Gp = 21 dB at 1.85 GHz • LOW NOISE FIGURE NF = 1.3 dB at 1.85 GHz • LOW CURRENT CONSUMPTION 5.9 mA • OPEN COLLECTOR OUTPUT • TYPICAL SUPPLY VOLTAGE: 2.4-3 V • GAIN-STEP-MODE (36dB) • ULTRA MINIATURE SOT323-6L PACKAGE (LEAD FREE) APPLICATIONS • LNA FOR CELLULAR MARKET (ideal for GSM900, DCS1800 and PCS1900). • LNA FOR GPS APPLICATIONS DESCRIPTION High gain and low noise figures make the SMA428A an ideal solution for Low Noise Amplifiers and receiver front end stages up to 2.5 GHz. SMA428A’s typical supply voltage range is 2.4 to 3.3 volts. It shows excellent performances in terms of NF, Gain and current consumption, using just 3 external matching components. Applying supply voltage to the GS pin and grounding Vcc pin, it provides a reduced gain step of 35 dB. SMA428A is housed in ultra miniature SOT323-6L package(LEAD FREE), the relative dimensions are 1.15mmx1.8mm with 0.8mm thickness. ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE In, 6 GS, 4 Vcc, 1 GND, 2;5 Out, 3 BLOCK DIAGRAM |
Аналогичный номер детали - SMA428ATR |
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Аналогичное описание - SMA428ATR |
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