ADL5502 - ADI

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

ADL5502
Manufacturer

ADI
ChipWorker Part#

CW389486516
RoHS

Lead free / RoHS Compliant
Description

800MHz to 3800MHz Crest Factor Detector
Documentation

Datasheet

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ADL5502 Specifications

Attribute	Attribute Value

Part Number	ADL5502
Manufacturer	ADI
ChipWorker Part#	CW389486516
Documentation	Datasheet
	expand all
Product Lifecycle Status	Recommended for New Designs
RoHS	RoHS Compliant

Product Description

Product Details
The ADL5502 is a mean-responding (true rms) power detector in combination with an envelope detector to accurately determine the crest factor of a modulated signal. It can be used in high frequency receiver and transmitter signal chains from 450 MHz to 6 GHz with envelope bandwidths over 10 MHz. Requiring only a single supply between 2.5 V and 3.3 V, the detector draws less than 3 mA. The input is internally ac-coupled and has a nominal input impedance of 500 Ω.
The rms output is a linear-responding dc voltage with a conversion gain of 1.8 V/V rms at 900 MHz. The peak envelope output with a conversion gain of 1.2 V/V is toggled for peak hold with less than 1% output voltage droop in over 1 ms.
The ADL5502 is a highly accurate, easy to use means of determining the rms and peak to the average value of complex waveforms. It can be used for crest factor measurements of both simple and complex waveforms but is particularly useful for measuring high crest factor (high peak-to-rms ratio) signals, such as W-CDMA, CDMA2000, and QPSK-/QAM-based OFDM waveforms. The peak hold function allows the capture of short peaks in the envelope with lower sampling rate ADC’s.
The crest factor detector operates from −40°C to +85°C and is available in an 8-ball, 1.5 mm × 1.5 mm wafer-level chip scale package. It is fabricated on a high fT silicon BiCMOS process.
**Applications**
* Power and envelope measurement of W-CDMA, CDMA2000, and QPSK-/QAM-based OFDM, and other complex modulation waveforms
* RF transmitter or receiver power and envelope measurement
### Features and Benefits
True rms response detector
Envelope peak hold output
Excellent temperature stability
±0.25 dB rms detection accuracy vs. temperature
±0.25 dB envelope detection accuracy vs. temperature; over the top 25 dB of the input range
Over 35 dB input power dynamic range, inclusive of crest factor
RF bandwidths from 450 MHz to 6 GHz
Envelope bandwidths of 10 MHz
500 Ω input impedance
Single-supply operation: 2.5 V to 3.3 V
Low power: 3 mA at 3 V supply
RoHS compliant part

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