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AD8367 Datasheet PDF

Part Series:AD8367 Series
Description:500MHz, Linear-in-dB VGA with AGC Detector
Document:AD8367ARU Datasheet PDF (26 Pages)

AD8367 Datasheet PDF

24 Pages
ADI
SP Amp Variable Gain Amp Single 5.5V 14Pin TSSOP T/R
24 Pages
ADI
500MHz, Linear-in-dB VGA with AGC Detector

AD8367 - ADI Function Overview

Product Details
Silicon Bipolar VGA with integrated Square Law Detector
The AD8367 is a high-performance variable gain amplifier designed to be used at IF frequencies up to 500 MHz. An externally applied analog gain control voltage of 0 to 1 volt, scales the 45 dB of gain control range to provide 20 mV/dB output. The precise linear-dB gain control is achieved with a proprietary X-AMP™ architecture, consisting of a variable attenuator network fed by a Gaussian interpolator yielding precise linear gain adjustment.
In addition the AD8367 has an integrated square law detector, which enables the part to be used as an AGC solution and provides a detected received signal strength indication (RSSI) output voltage.
The AD8367 has been specified for operation at common IF frequencies 70 MHz, 140 MHz, 190 MHz and 240 MHz found in the cellular CDMA / GSM and W-CDMA applications.
The AD8367 is fabricated on a high performance silicon bipolar process, package in 14-lead thin shrunk small outline (TSSOP) package fully specified over –40°C to +85°C temperature range.
### Features and Benefits
Wide bandwidth 500 MHz (-3 dB bandwidth)
Linear-in-dB continuous analog gain control
Integrated on chip square law detector for AGC operation
High linearity output IP3 36.5 dBm @ 70 MHz
High output compression P1dB 8.5 dBm @ 70 MHz
Single ended 200 Ω input impedance
Gain control range 45 dB with max gain 42.5 dB
Small footprint 14-lead TSSOP package
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