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General Description

The MAX2203 RMS power detector is designed to

operate from 800MHz to 2.0GHz. The device is ideal for

wideband code-division multiple access (WCDMA),

cdma2000

, and high-speed downlink/uplink packet

access. The MAX2203 accepts an RF signal at the

input and outputs the same voltage regardless of the

peak-average of the input signal. The output voltage

and input power is linear in dB. The device has a

-24dBm to +3dBm detection range, and every dB

change in input power gives 35mV (typ) change in out-

put voltage.

The MAX2203 operates from a 2.5V to 4.2V supply and

is specified over the -40°C to +85°C extended tempera-

ture range. The device is available in a 6-bump WLP

package.

Applications

WCDMA, cdma2000, 1xEVDO

High-Speed Downlink Packet Access (HSDPA)

High-Speed Uplink Packet Access (HSUPA)

Features

o -24dBm to +3dBm Power-Detection Range

o 35mV/dB (typ) Log Detector

o 0.1dB (typ) RMS Accuracy from WCDMA

Modulation Change

o ±0.4dB Detection Error Due to Temperature

o +2.5V to +4.2V Single-Supply Operation

o Space-Saving 6-Bump WLP Package

MAX2203

RMS Power Detector

________________________________________________________________

Maxim Integrated Products

RFIN/ENA

GND

OUT

FILT

GND

TOP VIEW

(BUMPS ON BOTTOM)

MAX2203

Pin Configuration

Ordering Information

19-4982; Rev 0; 10/09

For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,

or visit Maxim’s website at www.maxim-ic.com.

EVALUATION KIT

AVAILABLE

PART TEMP RANGE

PIN-

PACKAGE

TOP

MARK

MAX2203EWT+T10 -40°C to +85°C 6 WLP AA

Denotes a lead(Pb)-free/RoHS-compliant package.

T = Tape and reel.

Typical Operating Circuit appears at end of data sheet.

cdma2000 is a registered trademark of Telecommunications

Industry Association.

1 2 3 4 5 6 7

RMS Power Detector 1

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Página 1 - RMS Power Detector

General DescriptionThe MAX2203 RMS power detector is designed tooperate from 800MHz to 2.0GHz. The device is ideal forwideband code-division multiple

Página 2

MAX2203RMS Power Detector2 _______________________________________________________________________________________ABSOLUTE MAXIMUM RATINGSDC ELECTRICA

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MAX2203RMS Power Detector_______________________________________________________________________________________ 3OUTPUT VOLTAGE vs. INPUT POWERMAX220

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MAX2203RMS Power Detector4 _______________________________________________________________________________________Typical Operating Characteristics (c

Página 5

Detailed DescriptionThe MAX2203 RMS power detector is designed tooperate from 800MHz to 2.0GHz. The device is ideal forWCDMA, cdma2000, and high-speed

Página 6

MAX2203Applications InformationThe MAX2203 uses external termination when usingdirectional couplers. Figure 1 shows the system levelconnection of dual

Página 7

MAX2203RMS Power DetectorMaxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No cir

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Rainbow-electronics MAX2203 Manual do Utilizador

Consulte online ou descarregue Manual do Utilizador para Hardware Rainbow-electronics MAX2203. Rainbow Electronics MAX2203 User Manual Manual do Utilizador

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