ADL5382

RECOMMENDED FOR NEW DESIGNS

700 MHz TO 2700 MHz Quadrature Demodulator

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Overview

  • I/Q Demodulator
  • Operating RF frequency
    700 MHz to 2700MHz
  • IIP3 +30 dBm
  • IIP2 +60dBm
  • Input P1dB +13dBm
  • NF 14 dB @ 900MHz
  • Voltage Conversion Gain of 5dB
  • Quadrature demodulation accuracy
    Phase accuracy <0.5°
    Amplitude balance <0.25 dB
  • LO Input –10 to +5 dBm
  • Demodulation Bandwidth ~500 MHz
  • I/Q Drive 2Vpk into 200Ω
  • Programmable Power Consumption

The ADL5382 is a broadband quadrature I-Q demodulator that covers an RF input frequency range from 700 MHz to 2.7 GHz. With a NF = 14 dB, IP1dB = 14.7 dBm, and IIP3 = 33.5 dBm at 900 MHz, the ADL5382 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.

Excellent demodulation accuracy is achieved with amplitude and phase balances ~0.05 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 ~4 dB. The buffered baseband outputs are capable of driving a 2 Vp-p differential signal into 200 Ω.

The fully balanced design minimizes effects from second-order distortion. The leakage from the LO port to the RF port is <−65 dBc. Differential dc offsets at the I and Q outputs are typically <10 mV. Both of these factors contribute to the excellent IIP2 specifications which is >60 dBm.

The ADL5382 operates off a single 4.75 V to 5.25 V supply. The supply current is adjustable with an external resistor from the BIAS pin to ground. The ADL5382 is fabricated using the Analog Devices, Inc., advanced Silicon-Germanium bipolar process and is available in a 24-lead exposed paddle LFCSP. Performance is specified over a -40°C to +85°C temperature range.

APPLICATIONS

  • QAM/QPSK demodulator
  • W-CDMA/CDMA/CDMA2000/GSM
  • Point-to-(Multi)Point Radio
  • WiMax

ADL5382
700 MHz TO 2700 MHz Quadrature Demodulator
ADL5382-fbL ADL5382 Pin Configuration
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Software Resources

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Hardware Ecosystem

Parts Product Life Cycle Description
Analog to Digital Converters (ADCs) 7
AD9258 PRODUCTION 14-Bit, 125 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
AD9251 PRODUCTION 14-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
AD9268 PRODUCTION 16-Bit, 125 MSPS/105 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
AD9650 RECOMMENDED FOR NEW DESIGNS

16-Bit, 25 MSPS/65 MSPS/80 MSPS/105 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)

AD9269 RECOMMENDED FOR NEW DESIGNS 16-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
AD9231 PRODUCTION 12-Bit, 20 MSPS/40 MSPS/65 MSPS/80 MSPS, 1.8 V Dual Analog-to-Digital Converter
AD9262 NOT RECOMMENDED FOR NEW DESIGNS 16-Bit, 2.5 MHz/5 MHz/10 MHz, 30 MSPS to 160 MSPS Dual Continuous Time Sigma-Delta ADC
Differential Amplifiers 7
ADL5562 RECOMMENDED FOR NEW DESIGNS 3.3 GHz Ultralow Distortion RF/IF Differential Amplifier
ADL5565 RECOMMENDED FOR NEW DESIGNS

6 GHz Ultrahigh Dynamic Range Differential Amplifier

ADA4930-1 RECOMMENDED FOR NEW DESIGNS

Ultralow Noise Drivers for Low Voltage ADCs

ADA4930-2 RECOMMENDED FOR NEW DESIGNS Ultralow Noise Drivers for Low Voltage ADCs
ADA4950-1 RECOMMENDED FOR NEW DESIGNS Low Power Selectable Gain Differential ADC Driver, G = 1, 2, 3
ADA4950-2 RECOMMENDED FOR NEW DESIGNS Low Power Selectable Gain Differential ADC Driver, G = 1, 2, 3
AD8366 RECOMMENDED FOR NEW DESIGNS DC to 600 MHz, Dual-Digital Variable Gain Amplifiers
Phase-Locked Loop (PLL) Synthesizers 3
ADF4350 PRODUCTION Wideband Synthesizer with Integrated VCO
ADF4106 PRODUCTION 6 GHz integer-N PLL
ADF4156 PRODUCTION 6.2 GHz Fractional-N Frequency Synthesizer
Variable Gain Amplifiers (VGA) 2
ADRF6510 Obsolete 30 MHz Dual Programmable Filters and Variable Gain Amplifiers
ADRF6516 Obsolete 31 MHz, Dual Programmable Filters and Variable Gain Amplifiers
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Tools & Simulations

ADIsimRF

ADIsimRF is an easy-to-use RF signal chain calculator. Cascaded gain, noise, distortion and power consumption can be calculated, plotted and exported for signal chains with up to 50 stages. ADIsimRF also includes an extensive data base of device models for ADI’s RF and mixed signal components.

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ADIsimPLL™

ADIsimPLL enables the rapid and reliable evaluation of new high performance PLL products from ADI. It is the most comprehensive PLL Synthesizer design and simulation tool available today. Simulations performed include all key non-linear effects that are significant in affecting PLL performance. ADIsimPLL removes at least one iteration from the design process, thereby speeding the design- to-market.

Open Tool

Evaluation Kits

EVAL-ADL5382

ADL5382 Evaluation Board

Product Details

ADL5382-EVALZ is a fully populated, 4-layer, FR4-based evaluation board designed to allow the easy evaluation of all features of the ADL5382. The evaluation board integrates bypassable transformers to allow single ended or differential baseband I and Q outputs and the evaluation board requires only a single supply within the range of 4.75 V to 5.25 V.

EVAL-ADL5382
ADL5382 Evaluation Board

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