Datasheet > ADL5904

ADL5904

更新时间： 2024-11-15 01:19:07

品牌	Logo	应用领域
亚德诺 - ADI		电信电信集成电路
页数	文件大小	规格书
28页	1973K
描述
RMS and envelope threshold detection

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数据手册

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ADL5904 数据手册

DC to 6 GHz, 45 dB TruPwr

Detector with Envelope Threshold Detection

Data Sheet

ADL5904

FEATURES

FUNCTIONAL BLOCK DIAGRAM

VPOS

VIN–

RST

ENBL

RMS and envelope threshold detection

Broad input frequency range: dc to 6 GHz

RF input range: 45 dB (−30 dBm to +15 dBm)

RMS linear in decibel output, scaled 36.5 mV/dB

Input envelope threshold detection and latching

Programmable threshold and latch reset function

ADL5904

–

ENVELOPE

DETECTOR

RFIN

RMS

VRMS

Fast response time: 12 ns from RFIN to Q/ latch

All functions temperature and supply stable

Operates at 3.3 V from −40°C to +105°C

Low power: 3.5 mA

Power-down capability to 100 µA

16-lead, 3 mm × 3 mm LFCSP package

GND

VCAL

CRMS

DECL

DNC

Figure 1.

APPLICATIONS

Transmitter signal strength indication (TSSI)

Wireless power amplifier input and output protection

Wireless receiver input protection

GENERAL DESCRIPTION

The ADL5904 is a dual-function radio frequency (RF) TruPwr™

detector that operates from dc to 6 GHz. It provides rms power

measurement along with a programmable envelope threshold

detection function.

the user defined threshold voltage, an internal comparator

captures and latches the event to a set/reset (SR) flip flop. The

response time from the RF input signal exceeding the user

programmed threshold to the output latching is 12 ns. The latched

event is held on the flip-flop until a reset pulse is applied.

The rms power measurement function has a 45 dB detection

range, nominally from −30 dBm to +15 dBm. The rms power

measurement function features low power consumption and an

intrinsically ripple free error transfer function.

The RF input of the ADL5904 is dc-coupled, allowing operation

down to arbitrarily low ac frequencies. It operates on a 3.3 V

supply and consumes 3.5 mA. A disable mode reduces this

current to 100 µA when a logic low is applied to the ENBL pin.

The envelope threshold detection function compares the voltage

from an internal envelope detector with a user defined input

voltage. When the voltage from the envelope detector exceeds

The ADL5904 is supplied in a 3 mm × 3 mm, 16-lead LFCSP for

operation over the wide temperature range of −40°C to +105°C.

Rev. 0

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

rightsof third parties that may result fromits use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks andregisteredtrademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

Technical Support

www.analog.com

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与ADL5904相关器件

型号	品牌	获取价格	描述	数据表
ADL5904ACPZN-R7	ADI	获取价格	DC to 6 GHz, 45 dB TruPwr Detector with Envelope Threshold Detection
ADL5904-EVALZ	ADI	获取价格	RMS and envelope threshold detection
ADL5906	ADI	获取价格	10 MHz to 10 GHz 67 dB TruPwr Detector
ADL5906ACPZN-R2	ADI	获取价格	10 MHz to 10 GHz 67 dB TruPwr Detector
ADL5906ACPZN-R7	ADI	获取价格	10 MHz to 10 GHz 67 dB TruPwr Detector
ADL5906-EVALZ	ADI	获取价格	10 MHz to 10 GHz 67 dB TruPwr Detector
ADL5906SCPZN-R2	ADI	获取价格	10 MHz to 10 GHz 67 dB TruPwr Detector
ADL5906SCPZN-R7	ADI	获取价格	10 MHz to 10 GHz 67 dB TruPwr Detector
ADL5910	ADI	获取价格	DC to 6 GHz, â¤45 dB Envelope Threshold Dete
ADL5910ACPZN-R7	ADI	获取价格	DC to 6 GHz, â¤45 dB Envelope Threshold Dete

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