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LTC6431-15 Datasheet(PDF) 9 Page - Linear Technology |
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LTC6431-15 Datasheet(HTML) 9 Page - Linear Technology |
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9 / 16 page  LTC6431-15 9 643115f block DiagraM pin FuncTions GND (Pins 8, 17, 23, Exposed Pad Pin 25): Ground. For best RF performance, all ground pins should be connected to the printed circuit board ground plane. The exposed pad should have multiple via holes to an underlying ground plane for low inductance and good thermal dissipation. IN (Pin 24): Signal Input Pin. This pin has an internally generated 2V DC bias. A DC blocking capacitor is required. See the Applications Information section for specific recommendations. VCC (Pins 9, 22): Positive Power Supply. Either VCC pin should be connected to the 5V supply. Bypass the VCC pin with 1000pF and 0.1µF capacitors. The 1000pF capacitor should be physically close to Pin 22. OUT (Pin 18): Amplifier Output Pin. A choke inductor is necessary to provide power from the 5V supply and to provide RF isolation. For best performance select a choke with low loss and high self-resonant frequency (SRF). A DC blocking capacitor is also required. See the Applica- tions Information section for specific recommendations. DNC (Pins 1 to 7, 10 to 15, 19 to 21): Do Not Connect. Do not connect these pins; allow them to float. Failure to floatthesepinsmayimpairoperationoftheLTC6431-15. T_DIODE (Pin 16): Optional Diode. The T_DIODE can be forward-biased to ground with 1mA of current. The meas- ured voltage will be an indicator of chip temperature. 643115 BD VCC 9, 22 IN BIAS AND TEMPERATURE COMPENSATION 24 OUT T_DIODE 18 16 GND 8, 17, 23, 25 (EXPOSED PAD) 15dB GAIN |
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Similar Description - LTC6431-15 |
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