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Volume 8, Issue 9 | YOUR SEMICONDUCTOR SOLUTIONS RESOURCE |
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C o n t e n t s Robust, Low Power Amplifier Features Input Overvoltage Protection >> Voltage Feedback Amplifier Is Ideal for 16-Bit to 18-Bit Precision Instrumentation >> Rail-to-Rail Triple Amplifiers for Cost Efficient, Lossless UXGA >> Compact Video Filter and Buffer Supports HD and SD Signals Simultaneously >> Differential ADC Drivers for 14-Bit and 16-Bit ADCs >> Dual-Channel, Digitally Controlled Gain Trim Amplifiers for Broadband RF Designs >> Single-Channel and Dual-Channel VGAs Provide 1 dB Resolution for Digital IF AGC Applications >> High Voltage Operational Amplifier for Low Power Applications >> Rail-to-Rail I/O Amplifier for Battery Powered Instrumentation >> Gain-Programmable Instrumentation Amplifier Reduces Size and Cost of Precision Front Ends >> Zero-Drift Instrumentation Amplifier Ideal for Max Channel Density in Space-Critical Designs >>
All prices in this bulletin are in USD in quantities greater than 1000 (unless otherwise noted), recommended lowest grade resale, FOB U.S.A.
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Dual-Channel, Digitally Controlled Gain Trim Amplifier for Broadband RF Designs
The AD8366 is a dual-channel, digitally controlled, gain trim amplifier with 0.25 dB step over a gain range of 4.5 to 20.5 dB. It is ideally suited for analog I/Q quadrature, ADC driving, and maintains excellent quadrature accuracy for direct conversion radio receivers. The device offers flat frequency performance and group delay from dc out to 150 MHz, independent of gain code. Fine gain control allows flexible and precise tuning to multistandard and wideband radio receivers. The AD8366 features include adjustable output common mode for matching to ADC input ranges and dc output offset correction loops to minimize demodulator dc offsets. It is available in a 32-lead LFCSP package and operates over the temperature range of -40°C to +85°C. AD8366 Features
Single-Channel and Dual-Channel Variable Gain Amplifiers (VGAs) Provide 1 dB Resolution for Digital IF Automatic Gain Control (AGC) Applications The AD8375 (single) and AD8376 (dual) digitally controlled variable gain amplifiers provide precise 1 dB gain control across a 24 dB range. Both amplifiers provide low distortion and high linearity with 50 dBm of output IP3, achieved through a proprietary distortion cancellation circuit. Both amplifiers are fully specified for IFs beyond 200 MHz. The devices consume 130 mA per channel and can be powered down to consume less than 5 mA from a single 5 V supply. They are available in 24-lead, 4 mm × 4 mm LFCSP and 32-lead, 5 mm × 5 mm LFCSP packages.
AD8375 Features
Please click here for the Digitally Controlled Variable Gain Amplifiers selection table.
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