Analog Devices Manuals

AD8368 is a 800MHz linear-in-dB VGA with AGC detector from Analog Devices, featuring analog variable gain range from -12 dB to +22 dB, 37.5 dB/V linear-in-dB scaling, 800MHz of 3dB bandwidth (VGAIN=0.5V), integrated rms detector, 16 dBm P1dB (140MHz), 33 dBm output IP3 (140MHz), 9.5 dB noise figure at maximum gain (140MHz), 50Ohm input and output impedances, single-supply voltage from 4.5V to 5.5V, RoHS-compliant, 24-lead LFCSP package.

This document describes the features and characteristics of the ADRF6516 model, including dual programmable filters and variable gain amplifiers, continuous gain control range of 50 dB, digital gain control of 15 dB, a 6-pole Butterworth filter with a frequency range of 1 MHz to 31 MHz in 1 MHz steps and a corner frequency of 1 dB, preamplifier and postamplifier gain steps, IMD3 of >65 dBc for 1.5 V p-p composite output, HD2 and HD3 of >65 dBc for 1.5 V p-p output, differential input and output, flexible output and input common-mode ranges, optional dc offset compensation loop, SPI programmable filter corners and gain steps, power-down feature, and single 3.3 V supply operation. It is suitable for applications such as baseband IQ receivers, diversity receivers, ADC drivers, point-to-point and point-to-multipoint radio, and instrumentation medical.

This document describes the features and characteristics of Analog Devices' Dual-Digital Variable Gain Amplifiers AD8366 Rev. A, including matched pair of differential, digitally controlled VGAs, gain range, operating frequency, noise figure, OIP3, HD2/HD3, etc.

The ADL5336 is a pair of cascadable IF VGAs with programmable RMS detectors. It features continuous gain control range, low noise figure, and linear-in-dB gain control. The product is suitable for applications such as point-to-multipoint radios, instrumentation, and medical devices.

AD8350 is a high performance fully differential amplifier useful in RF and IF circuits up to 1000 MHz. The amplifier has excellent noise figure of 5.9 dB at 250 MHz. It offers a high output third order intercept (OIP3) of +28 dBm at 250 MHz. Gain versions of 15 dB and 20 dB are offered. The AD8350 is designed to meet the demanding requirements of high performance fully differential amplifiers for a variety of RF and IF applications including cellular base stations, communications receivers, RF/IF gain blocks, differential A-to-D drivers, SAW filter interfaces, single-ended-to-differential conversion, high performance video and high speed data transmission.

AD8369 is a digitally controlled variable gain amplifier (VGA) from Analog Devices, with a gain range of -5 dB to +40 dB. It can be controlled via a 4-bit parallel or 3-wire serial interface.

The AD8351 is a low cost differential amplifier useful in RF and IF applications up to 2.2 GHz. The voltage gain is programmable over a range of 0 dB to 26 dB using a single resistor. The differential interface has a low noise input stage of 2.7 nV/√Hz, –79 dBc second order harmonic distortion, –81 dBc third order harmonic distortion and a 31 dBm OIP3. It supports single supply operation (3 V to 5.5 V), low power dissipation (28 mA @ 5 V) and has an adjustable output common mode voltage, fast settling time and overdrive recovery, and a slew rate of 13,000 V/�s. The AD8351 is suitable for applications such as differential ADC drivers, single-ended to differential conversion, IF sampling receivers, RF/IF gain blocks and SAW filter interfacing.

The AD8370 is a low-cost, digitally controlled, variable gain amplifier (VGA) that provides precision gain control, high IP3, and low noise figure. The AD8370 features excellent distortion performance, with typical distortion of -60 dBc at frequencies above 300 MHz. The AD8370's low cost and high performance make it suitable for automotive, industrial, consumer, and communications applications.

The AD8335 is a low noise, low cost quad variable gain amplifier with an 85 MHz bandwidth and excellent overload performance. It provides a gain range of ±10 dB to ±38 dB with an 8 dB gain step. The AD8335 is suitable for applications such as medical imaging (ultrasound, gamma cameras), sonar, test and measurement, etc.

AD8376 is an ultralow distortion IF dual VGA product released by Analog Devices. Its features include dual independent digitally controlled VGAs, bandwidth of 700 MHz (-3 dB), gain range of -4 dB to +20 dB, step size of 1 dB ± 0.2 dB, differential input and output, noise figure of 8.7 dB @ maximum gain, output IP3 of ~50 dBm at 200 MHz, output P1dB of 20 dBm at 200 MHz, dual parallel 5-bit control interface, provides constant SFDR vs. gain, power-down control, single 5 V supply operation, 32-lead, 5 mm x 5 mm LFCSP package.

The AD8375 is a digitally controlled, variable gain, wide bandwidth amplifier that provides precise gain control, high IP3, and low noise figure. The excellent distortion and linearity performance enable the AD8375 to provide low noise and high gain over a 630 MHz bandwidth. The AD8375 is ideal for use in differential ADC drivers, high IF sampling receivers, wideband multichannel receivers, and instrumentation applications.

This document describes the features and characteristics of the AD8372 Rev. B product, including dual independent digitally controlled VGA, differential input and output, noise figure, harmonic distortion, gain range, control interface, etc.

The ADL5561 is a 2.9 GHz ultralow distortion RF/IF differential amplifier from Analog Devices. It features low supply current, pin-strappable gain adjust, differential or single-ended input to differential output, low noise input stage, and more.

ADL5565 is a 6 GHz ultrahigh dynamic range differential amplifier with features including 3 dB bandwidth, adjustable gain, low noise input stage, low broadband distortion, and fast recovery.