參數(shù)資料
型號(hào)： AD8367ARUZ
廠商： Analog Devices Inc
文件頁(yè)數(shù)： 5/24頁(yè)
文件大?。?/td> 0K
描述： IC AMP VGA 14TSSOP
標(biāo)準(zhǔn)包裝： 96
系列： X-AMP®
放大器類型： 可變?cè)鲆?br>
電路數(shù)： 1
-3db帶寬： 500MHz
電流 - 輸入偏壓： 27µA
電流 - 電源： 26mA
電壓 - 電源，單路/雙路(±)： 2.7 V ~ 5.5 V
工作溫度： -40°C ~ 85°C
安裝類型： 表面貼裝
封裝/外殼： 14-TSSOP（0.173"，4.40mm 寬）
供應(yīng)商設(shè)備封裝： 14-TSSOP
包裝： 管件
產(chǎn)品目錄頁(yè)面： 775 (CN2011-ZH PDF)
AD8367
Rev. A | Page 13 of 24
RMS DETECTION
The AD8367 contains a square-law detector that senses
the output signal and compares it to a calibrated setpoint of
354 mV rms, which corresponds to a 1 V p-p sine wave. This
setpoint is internally set and cannot be modified to change the
AGC setpoint and the resulting VOUT level without using
additional external components. This is described in the
Any difference between the output and setpoint generates
a current that is integrated by an external capacitor, CAGC,
connected from the DETO pin to ground, to provide an AGC
control voltage. There is also an internal 5 pF capacitor on the
DETO pin.
The resulting voltage is used as an AGC bias. For this
application, the MODE pin is pulled low and the DETO pin is
tied to the GAIN pin. The output signal level is then regulated
to 354 mV rms. The AGC bias represents a calibrated rms
measure of the received signal strength (RSSI). Since in AGC
mode the output signal is forced to the 354 mV rms setpoint
(9.02 dBV rms), Equation 2 can be recast to express the
strength of the received signal, VIN-RMS, in terms of the AGC
bias VDETO.
VIN RMS (dBV rms) = 54.02 + 50 × VDETO
(4)
where 54.02 dBV rms = 45 dB 9.02 dBV rms.
For small changes in input signal level, VDETO responds with a
characteristic single-pole time constant, τAGC, which is
proportional to CAGC.
τAGC (μs) = 10 × CAGC (nf)
(5)
where the internal 5 pF capacitor is lumped with the external
capacitor to give CAGC.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AD8367ARUZ 制造商:Analog Devices 功能描述:PROGRAMMABLE GAIN AMPLIFIER IC ((NW))
AD8367ARUZ 制造商:Analog Devices 功能描述:IC DETECTOR
AD8367ARUZ1 制造商:AD 制造商全稱:Analog Devices 功能描述:500 MHz, Linear-in-dB VGA with AGC Detector
AD8367ARUZ-RL7 功能描述:IC AMP VGA 14TSSOP RoHS:是 類別:集成電路 (IC) >> Linear - Amplifiers - Instrumentation 系列:X-AMP® 標(biāo)準(zhǔn)包裝:150 系列:- 放大器類型:音頻 電路數(shù):2 輸出類型:- 轉(zhuǎn)換速率:5 V/µs 增益帶寬積:12MHz -3db帶寬:- 電流 - 輸入偏壓:100nA 電壓 - 輸入偏移:500µV 電流 - 電源:6mA 電流 - 輸出 / 通道:50mA 電壓 - 電源，單路/雙路(±):4 V ~ 32 V，±2 V ~ 16 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:8-TSSOP 包裝:管件
AD8367-EVAL 制造商:Analog Devices 功能描述:Evaluation Kit For 500 MHz, Linear-In-DB VGA With AGC Detector 制造商:Analog Devices 功能描述:AD8367 EVALUATION BOARD - Bulk 制造商:Analog Devices 功能描述:SEMICONDUCTOR ((NS))
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