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ADL5240 Datasheet

Part Number ADL5240
Manufacturers Analog Devices
Logo Analog Devices
Description 100 MHz to 4000 MHz RF/IF Digitally Controlled VGA
Datasheet ADL5240 DatasheetADL5240 Datasheet (PDF)

100 MHz to 4000 MHz RF/IF Digitally Controlled VGA ADL5240 FEATURES Operating frequency from 100 MHz to 4000 MHz Digitally controlled VGA with serial and parallel interfaces 6-bit, 0.5 dB digital step attenuator 31.5 dB gain control range with ±0.25 dB step accuracy Gain block amplifier specifications Gain: 19.7 dB at 2.14 GHz OIP3: 41.0 dBm at 2.14 GHz P1dB: 19.5 dBm at 2.14 GHz Noise figure: 2.9 dB at 2.14 GHz Gain block or digital step attenuator can be first Single supply operation from 4.75.

  ADL5240   ADL5240






Part Number ADL5246
Manufacturers Analog Devices
Logo Analog Devices
Description 3GHz Variable Gain LNA
Datasheet ADL5240 DatasheetADL5246 Datasheet (PDF)

Data Sheet 3 GHz Variable Gain LNA with Integrated ½ W Driver Amplifier ADL5246 FEATURES GENERAL DESCRIPTION RF output frequency range: 0.6 GHz to 3 GHz Output IP3: 37 dBm at 2.2 GHz Output P1dB: 28 dBm at 2.2 GHz Noise figure of input amplifier: 1 dB at 2.2 GHz Maximum gain: 31.5 dB at 2.2 GHz Voltage variable attenuation range: 45 dB 0 V to 3.3 V attenuation control range Integrated bypass switch for low noise VGA Matched 50 Ω input stage 3.3 V to 5 V single supply 32-lead, 5 mm × 5 mm LFC.

  ADL5240   ADL5240







Part Number ADL5243
Manufacturers Analog Devices
Logo Analog Devices
Description 100 MHz to 4000 MHz RF/IF Digitally Controlled VGA
Datasheet ADL5240 DatasheetADL5243 Datasheet (PDF)

Data Sheet 100 MHz to 4000 MHz RF/IF Digitally Controlled VGA ADL5243 FEATURES Operating frequency from 100 MHz to 4000 MHz Digitally controlled VGA with serial and parallel interfaces 6-bit, 0.5 dB digital step attenuator 31.5 dB gain control range with ±0.25 dB step accuracy Gain Block Amplifier 1 Gain: 19.2 dB at 2140 MHz OIP3: 40.2 dBm at 2140 MHz P1dB: 19.8 dBm at 2140 MHz Noise figure: 2.9 dB at 2140 MHz ¼ W Driver Amplifier 2 Gain: 14.2 dB at 2140 MHz OIP3: 41.1 dBm at 2140 MHz P1dB: 26.

  ADL5240   ADL5240







100 MHz to 4000 MHz RF/IF Digitally Controlled VGA

100 MHz to 4000 MHz RF/IF Digitally Controlled VGA ADL5240 FEATURES Operating frequency from 100 MHz to 4000 MHz Digitally controlled VGA with serial and parallel interfaces 6-bit, 0.5 dB digital step attenuator 31.5 dB gain control range with ±0.25 dB step accuracy Gain block amplifier specifications Gain: 19.7 dB at 2.14 GHz OIP3: 41.0 dBm at 2.14 GHz P1dB: 19.5 dBm at 2.14 GHz Noise figure: 2.9 dB at 2.14 GHz Gain block or digital step attenuator can be first Single supply operation from 4.75 V to 5.25 V Low quiescent current of 93 mA Thermally efficient, 5 mm × 5 mm, 32-lead LFCSP The companion ADL5243 integrates a ¼ W driver amplifier to the output of the gain block and DSA GENERAL DESCRIPTION The ADL5240 is a high performance, digitally controlled variable gain amplifier (VGA) operating from 100 MHz to 4000 MHz. The VGA integrates a high performance, 20 dB gain, internally matched amplifier (AMP) with a 6-bit digital step attenuator (DSA) that has a gain control range of 31.5 dB in 0.5 dB steps with ±0.25 dB step accuracy. The attenuation of the DSA can be controlled using a serial or parallel interface. Both the gain block and DSA are internally matched to 50 Ω at their inputs and outputs and are separately biased. The separate bias allows all or part of the ADL5240 to be used, which facilitates easy reuse throughout a design. The pinout of the ADL5240 also enables either the gain block or DSA to be first, giving the VGA maximum flexibility in a signal chain. The ADL5.


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