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LT5557 Datasheet(PDF) 2 Page - Linear Technology |
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LT5557 Datasheet(HTML) 2 Page - Linear Technology |
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2 / 16 page  2 LT5557 5557fa Supply Voltage (VCC1, VCC2, IF+, IF–) ......................... 4V Enable Voltage ............................... –0.3V to VCC + 0.3V LO Input Power (380MHz to 4.2GHz) ............... +10dBm LO Input DC Voltage ............................ –1V to VCC + 1V RF Input Power (400MHz to 3.8GHz) ............... +12dBm RF Input DC Voltage ............................................ ±0.1V Operating Temperature Range ............... – 40 °C to 85°C Storage Temperature Range ................ – 65 °C to 125°C Junction Temperature (TJ)................................... 125°C CAUTION: This part is sensitive to electrostatic discharge (ESD). It is very important that proper ESD precautions be observed when handling the LT5557. Consult LTC Marketing for parts specified with wider operating temperature ranges. ABSOLUTE AXI U RATI GS PACKAGE/ORDER I FOR ATIO (Note 1) LT5557EUF#PBF ORDER PART NUMBER UF PART MARKING 5557 TJMAX = 125°C, θJA = 37°C/W EXPOSED PAD (PIN 17) IS GND MUST BE SOLDERED TO PCB VCC = 3.3V, EN = High, TA = 25°C, unless otherwise specified. Test circuit shown in Figure 1. (Note 3) DC ELECTRICAL CHARACTERISTICS PARAMETER CONDITIONS MIN TYP MAX UNITS RF Input Frequency Range No External Matching (Midband) 1600 to 2300 MHz With External Matching (Low Band or High Band) 400 3800 MHz LO Input Frequency Range No External Matching 1000 to 4200 MHz With External Matching 380 MHz IF Output Frequency Range Requires Appropriate IF Matching 0.1 to 600 MHz RF Input Return Loss ZO = 50Ω, 1600MHz to 2300MHz (No External Matching) >12 dB LO Input Return Loss ZO = 50Ω, 1000MHz to 5000MHz (No External Matching) >10 dB IF Output Impedance Differential at 240MHz 529 Ω||2.6pF R||C LO Input Power 1200MHz to 4200MHz –8 –3 2 dBm 380MHz to 1200MHz –5 0 5 dBm AC ELECTRICAL CHARACTERISTICS Test circuit shown in Figure 1. (Notes 2, 3) PARAMETER CONDITIONS MIN TYP MAX UNITS Power Supply Requirements (VCC) Supply Voltage 2.9 3.3 3.9 V Supply Current VCC1 (Pin 7) 25.1 mA VCC2 (Pin 6) 3.3 mA IF+ + IF– (Pin 11 + Pin 10) 53.2 60 mA Total Supply Current 81.6 92 mA Enable (EN) Low = Off, High = On Shutdown Current EN = Low 100 μA Input High Voltage (On) 2.7 V Input Low Voltage (Off) 0.3 V EN Pin Input Current EN = 3.3V DC 53 90 μA Turn-ON Time 2.8 μs Turn-OFF Time 2.9 μs 16 15 14 13 5 6 7 8 TOP VIEW 17 UF PACKAGE 16-LEAD (4mm × 4mm) PLASTIC QFN 9 10 11 12 4 3 2 1 NC NC RF NC GND IF+ IF– GND Order Options Tape and Reel: Add #TR Lead Free Part Marking: http://www.linear.com/leadfree/ |
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