Datasheet > ADL5380-29A-EVALZ

ADL5380-29A-EVALZ

更新时间： 2024-09-17 06:36:19

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
36页	843K
描述
400 MHz to 6 GHz Quadrature Demodulator

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400 MHz to 6 GHz

Quadrature Demodulator

ADL5380

FEATURES

FUNCTIONAL BLOCK DIAGRAM

ENBL ADJ

Operating RF and LO frequency: 400 MHz to 6 GHz

Input IP3

ADL5380

IHI

BIAS

30 dBm @ 900 MHz

28 dBm @1900 MHz

Input IP2: >65 dBm @ 900 MHz

Input P1dB (IP1dB): 11.6 dBm @ 900 MHz

Noise figure (NF)

ILO

LOIP

10.9 dB @ 900 MHz

11.7 dB @ 1900 MHz

Voltage conversion gain: ~7 dB

Quadrature demodulation accuracy @ 900 MHz

Phase accuracy: ~0.2°

RFIN

RFIP

QUADRATURE

PHASE SPLITTER

V2I

LOIN

QHI

Amplitude balance: ~0.07 dB

Demodulation bandwidth: ~390 MHz

Baseband I/Q drive: 2 V p-p into 200 Ω

Single 5 V supply

QLO

Figure 1.

APPLICATIONS

Cellular W-CDMA/GSM/LTE

Microwave point-to-(multi)point radios

Broadband wireless and WiMAX

GENERAL DESCRIPTION

The ADL5380 is a broadband quadrature I-Q demodulator that

covers an RF/IF input frequency range from 400 MHz to 6 GHz.

With a NF = 10.9 dB, IP1dB = 11.6 dBm, and IIP3 = 29.7 dBm @

900 MHz, the ADL5380 demodulator offers outstanding dynamic

range suitable for the demanding infrastructure direct-conversion

requirements. The differential RF inputs provide a well-behaved

broadband input impedance of 50 Ω and are best driven from a

1:1 balun for optimum performance.

The fully balanced design minimizes effects from second-order

distortion. The leakage from the LO port to the RF port is

<−50 dBm. Differential dc offsets at the I and Q outputs are

typically <20 mV. Both of these factors contribute to the

excellent IIP2 specification, which is >65 dBm.

The ADL5380 operates off a single 4.75 V to 5.25 V supply. The

supply current is adjustable by placing an external resistor from

the ADJ pin to either the positive supply, V_S, (to increase supply

current and improve IIP3) or to ground (which decreases supply

current at the expense of IIP3).

Excellent demodulation accuracy is achieved with amplitude

and phase balances of ~0.07 dB and ~0.2°, respectively. The

demodulated in-phase (I) and quadrature (Q) differential outputs

are fully buffered and provide a voltage conversion gain of ~7 dB.

The buffered baseband outputs are capable of driving a 2 V p-p

differential signal into 200 Ω.

The ADL5380 is fabricated using the Analog Devices, Inc.,

advanced silicon-germanium bipolar process and is available

in a 24-lead exposed paddle LFCSP.

Rev. 0

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.

Trademarks and registeredtrademarks arethe property of their respective owners.

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

Tel: 781.329.4700

Fax: 781.461.3113

www.analog.com

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与ADL5380-29A-EVALZ相关器件

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ADL5380ACPZ-R7	ADI	获取价格	400 MHz to 6 GHz Quadrature Demodulator
ADL5380ACPZ-WP	ADI	获取价格	400 MHz to 6 GHz Quadrature Demodulator
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ADL5382-EVALZ	ADI	获取价格	700 MHz to 2.7 GHz Quadrature Demodulator
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