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AD8362 데이터시트 PDF




Analog Devices에서 제조한 전자 부품 AD8362은 전자 산업 및 응용 분야에서
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부품번호 AD8362 기능
기능 50 Hz to 3.8 GHz 65 dB TruPwr Detector
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AD8362 데이터시트, 핀배열, 회로
Data Sheet
FEATURES
Complete, fully calibrated measurement/control system
Accurate rms-to-dc conversion from 50 Hz to 3.8 GHz
Input dynamic range of >65 dB: −52 dBm to +8 dBm in 50 Ω
Waveform and modulation independent, such as
GSM/CDMA/TDMA
Linear-in-decibels output, scaled 50 mV/dB
Law conformance error of 0.5 dB
All functions temperature and supply stable
Operates from 4.5 V to 5.5 V at 24 mA
Power-down capability to 1.3 mW
APPLICATIONS
Power amplifier linearization/control loops
Transmitter power controls
Transmitter signal strength indication (TSSI)
Radio frequency (RF) instrumentation
GENERAL DESCRIPTION
The AD8362 is a true rms-responding power detector that has
a 65 dB measurement range. It is intended for use in a variety of
high frequency communication systems and in instrumentation
requiring an accurate response to signal power. It is easy to use,
requiring only a single supply of 5 V and a few capacitors. It
operates from arbitrarily low frequencies to over 3.8 GHz and
accepts inputs from −52 dBm to +8 dBm with crest factors that
are typical of quadrature amplitude modulation (QAM) and
orthogonal frequency division multiplexing (OFDM) modulation
schemes.
The AD8362 has a 1.3 mW power consumption when powered
down by a logic high applied to the PWDN pin. It powers up
within about 20 μs to its nominal operating current of 20 mA at
25°C. The AD8362 is supplied in a 16-lead TSSOP for operation
over the temperature range of −40°C to +85°C.
50 Hz to 3.8 GHz
65 dB TruPwrDetector
AD8362
FUNCTIONAL BLOCK DIAGRAM
DECL CHPF
INHI
INLO
VTGT
x2 CLPF
VOUT
x2
ACOM
VREF
AD8362
BIAS
VSET
VPOS
COMM
PWDN
Figure 1.
Table 1. Next Generation Upgrades for the AD8362
Device No. Product Description
ADL5902
Improved temperature stability, single-ended
input drive.
HMC1120
Improved sensitivity and range, includes envelope
tracking and peak-hold function, single-ended
input drive.
ADL5906
Improved temperature stability, single-ended
input drive. Slightly lower input range.
AD8363
Improved temperature stability, single-ended
input drive. Lower input range.
ADL5903
Lower range, significantly lower power consumption,
single-ended input drive.
ADL5501
Lower range, significantly lower power consumption,
linear in V/V output, single-ended input drive.
Rev. F
Document Feedback
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700 ©2003–2015 Analog Devices, Inc. All rights reserved.
Technical Support
www.analog.com




AD8362 pdf, 반도체, 판매, 대치품
Data Sheet
REVISION HISTORY
9/15—Rev. E to Rev. F
Changes to General Description Section .......................................1
Added Table 1; Renumbered Sequentially ....................................1
Change to Equation 3 .....................................................................17
Changes to Ordering Guide...........................................................32
12/12—Rev. D to Rev. E
Changes to Time Domain Response of the Closed Loop Section..18
Changes to Equation 13, Choosing a Value for CLPF Section
and Equation 14...............................................................................21
Changes to Ordering Guide...........................................................31
6/07—Rev. C to Rev. D
Changes to Features, General Description ....................................1
Changes to Table 1 ............................................................................3
Changes to Table 2 ............................................................................6
Added Figure 21 to Figure 25 ........................................................11
Changes to Equipment Section .....................................................15
Changes to Circuit Description Section.......................................16
Changes to Single-Ended Input Drive Section............................19
Changes to Choosing a Value for CHPF section ........................21
Changes to Choosing a Value for CLPF section .........................21
Changes to Figure 57 ......................................................................23
Changes to Figure 58 ......................................................................24
Added Temperature Compensation at Various WiMAX
Frequencies up to 3.8 GHz Section...............................................24
Changes to Ordering Guide...........................................................31
AD8362
9/05—Rev. B to Rev. C
Changes to Specifications ................................................................3
Changes to Table 3 ............................................................................7
Deleted Figure 16 to Figure 18; Renumbered Sequentially .......10
Changes to Figure 32 and Figure 33 .............................................13
Replaced Circuit Description Section ..........................................15
Changes to Operation in RF Measurement Mode Section........18
Deleted Using the AD8362 Section ..............................................20
Deleted Main Modes of Operation Section.................................22
Changes to Operation in Controller Mode Section ...................23
Changes to AD8362 Evaluation Board Section ..........................25
Deleted General Applications Section..........................................29
3/04—Rev. A to Rev. B
Updated Format ................................................................. Universal
Changes to Specifications ................................................................3
Changes to the Offset Elimination Section .................................16
Changes to the Operation at Low Frequencies Section .............17
Changes to the Time-Domain Response of the Closed Loop
Section ..............................................................................................17
Changes to Equation 13 .................................................................24
Changes to Table 5 ..........................................................................31
6/03—Rev. 0 to Rev. A
Updated Ordering Guide .................................................................5
Change to Analysis Section ...........................................................12
Updated AD8362 Evaluation Board Section ...............................26
2/03—Revision 0: Initial Version
Rev. F | Page 3 of 33

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AD8362 전자부품, 판매, 대치품
AD8362
Parameter
2.7 GHz
Dynamic Range
Deviation vs. Temperature
Logarithmic Slope
Logarithmic Intercept
Deviation from CW Response
3.65 GHz
Dynamic Range
Deviation vs. Temperature
Logarithmic Slope
Logarithmic Intercept
Test Conditions/Comments
Error referred to best-fit line (linear regression)
±1.0 dB linearity, CW input
±0.5 dB linearity, CW input
Deviation from output at 25°C
−40°C < TA < +85°C, PIN = −40 dBm
−40°C < TA < +85°C, PIN = −15 dBm
−40°C < TA < +85°C, PIN = +5 dBm
5.5 dB peak-to-rms ratio (IS95 reverse link)
12.0 dB peak-to-rms ratio (W-CDMA 4 channels)
18.0 dB peak-to-rms ratio (W-CDMA 15 channels)
Single-ended drive3
Error referred to best-fit line (linear regression)
±1.0 dB linearity, CW input
±0.5 dB linearity, CW input
Deviation from output at 25°C
−40°C < TA < +85°C, PIN = −35 dBm
−40°C < TA < +85°C, PIN = −15 dBm
−40°C < TA < +85°C, PIN = +10 dBm
1 1:4 balun transformer, M/A-COM ETC 1.6-4-2-3.
2 See Figure 48.
3 See Figure 50.
4 The limitation of the high end of the power range is due to the test equipment not the device under test.
Data Sheet
Min Typ Max Unit
63 dB
62 dB
−5.3 dB
−5.5 dB
−4.8 dB
50.5 mV/dB
−58 dBm
0.2 dB
0.2 dB
0.4 dB
51 dB
50 dB
−3 dB
−3.5 dB
−3.5 dB
51.7 mV/dB
−45 dBm
Rev. F | Page 6 of 33

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50 Hz to 3.8 GHz 65 dB TruPwr Detector

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