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Series Information for AD8367ARUZ - Analog Devices


  • feature
    Broad-range analog variable gain: u22122.5 dB to +42.5 dB 3 dB cutoff frequency of 500 MHz Gain up and gain down modes Linear-in-dB, scaled 20 mV/dB Resistive ground referenced input Nominal ZIN = 200 u03a9 On-chip, square-law detector Single-supply operation: 2.7 V to 5.5 V



The AD8367 is a high performance 45 dB variable gain amplifier with linear-in-dB gain control for use from low frequencies up to several hundred megahertz. The range, flatness, and accuracy of the gain response are achieved using Analog Devices’ X-AMP® architecture, the most recent in a series of powerful proprietary concepts for variable gain applications, which far surpasses what can be achieved using competing techniques. The input is applied to a 9-stage, 200 Ω resistive ladder network. Each stage has 5 dB of loss, giving a total attenuation of 45 dB. At maximum gain, the first tap is selected; at progressively lower gains, the tap moves smoothly and continuously toward higher attenuation values. The attenuator is followed by a 42.5 dB fixed gain feedback amplifier—essentially an operational amplifier with a gain bandwidth product of 100 GHz—and is very linear, even at high frequencies. The output third order intercept is +20 dBV at 100 MHz (+27 dBm, re 200 Ω), measured at an output level of 1 V p-p with VS = 5 V. The analog gain-control input is scaled at 20 mV/dB and runs from 50 mV to 950 mV. This corresponds to a gain of −2.5 dB to +42.5 dB, respectively, when the gain up mode is selected and +42.5 dB to −2.5 dB, respectively, when gain down mode is selected. The gain down, or inverse, mode must be selected when operating in AGC in which an integrated square-law detector with an internal setpoint is used to level the output to 354 mV rms, regardless of the crest factor of the output signal. A single external capacitor sets up the loop averaging time. The AD8367 can be powered on or off by a voltage applied to the ENBL pin. When this voltage is at a logic LO, the total power dissipation drops to the milliwatt range. For a logic HI, the chip powers up rapidly to its normal quiescent current of 26 mA at 25°C. The AD8367 is available in a 14-lead TSSOP package for the industrial temperature range of −40°C to +85°C.


No. of Channels:
No. of Amplifiers:
1 Amplifier, 1Amplifiers
Operating Temperature Min:
Operating Temperature Max:
Supply Voltage Range:
2.7V to 5.5V
Amplifier Case Style:
No. of Pins:
Product Range:
Automotive Qualification Standard:
RoHS Phthalates Compliant:
MSL 1 - Unlimited
No SVHC (07-Jul-2017)
Amplifer Supply Voltage:
2.7V to 5.5V

Alternate Descriptions

RS Components
AD8367Z variable gain with AGC SMT amp
Newark Electronics
IC, VGA W/ DETECTOR, 14TSSOP; No. of Channels:1Channels; No. of Amplifiers:1 Amplifier; Bandwidth:500MHz; Operating Temperature Min:-40°C; Operating Temperature Max:85°C; Supply Voltage Range:2.7V to 5.5V; Amplifier Case RoHS Compliant: Yes
Richardson RFPD
Integrated circuits from leading manufacturers. Please read our extensive documentation which is free to download.
RS Components UK
AD8367Z variable gain with AGC SMT amp
RS Components DE
Spannungsgesteuerter Verstärker AD8367ARUZ, 3 V, 5 V 1 No TSSOP 14-Pin Stromversorgungs-Typ : Single Eingangswiderstand max. : 225Ω Montage-Typ : SMD Betriebstemperatur max. : +85 °C Abmessungen : 5 x 4.4 x 1mm Länge : 5mm Betriebstemperatur min. : -40 °C Breite : 4.4mm, Analog Devices
RS Components HK
AD8367Z variable gain with AGC SMT amp
RS Components JP
RS Components FR
RS Components CN
IC,VGA放大器,LF1GH z,45dB,AGC检测,�
RS Components ES
AD8367Z variable gain with AGC SMT amp
RS Components NL
AD8367Z variable gain with AGC SMT amp
RS Components NO
RS Components US
AD8367Z variable gain with AGC SMT amp
RS Components SG
AD8367Z variable gain with AGC SMT amp
RS Components TW
Amplificatore guadagno variab AD8367ARUZ