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MAX2659ELT+T

In Stock 60330 pcs Reference Price(In US Dollars)
1+
$0.3883
Manufacturer Part Number:
MAX2659ELT+T
Manufacturer / Brand
Analog Devices Inc./Maxim Integrated
Part of Description:
IC RF AMP GPS 1575.42MHZ 6UDFN
Datasheets:
MAX2659ELT+T(1).pdfMAX2659ELT+T(2).pdfMAX2659ELT+T(3).pdfMAX2659ELT+T(4).pdfMAX2659ELT+T(5).pdfMAX2659ELT+T(6).pdfMAX2659ELT+T(7).pdfMAX2659ELT+T(8).pdfMAX2659ELT+T(9).pdf
Lead Free Status / RoHS Status:
ROHS3 Compliant
Stock Condition:
New original, 60330 pcs Stock Available.
ECAD Model:
Ship From:
Hong Kong
Shipment Way:
DHL/Fedex/TNT/UPS

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Part Number MAX2659ELT+T
Manufacturer / Brand Analog Devices Inc./Maxim Integrated
Stock Quantity 60330 pcs Stock
Category RF and Wireless > RF Amplifiers
Description IC RF AMP GPS 1575.42MHZ 6UDFN
Lead Free Status / RoHS Status: ROHS3 Compliant
RFQ MAX2659ELT+T Datasheets MAX2659ELT+T Details PDF
MAX2659ELT+T Details PDF for FR.pdf
MAX2659ELT+T Details PDF for KR.pdf
MAX2659ELT+T Details PDF for IT.pdf
MAX2659ELT+T Details PDF for ES.pdf
MAX2659ELT+T Details PDF for DE.pdf
Voltage - Supply 1.6V ~ 3.3V
Test Frequency 1575.42MHz
Supplier Device Package 6-uDFN (1.5x1)
Series -
RF Type GPS/GNSS
Package / Case 6-WFDFN
Package Tape & Reel (TR)
P1dB -12dBm
Noise Figure 0.8dB
Mounting Type Surface Mount
Gain 20.5dB
Frequency 1575.42MHz
Current - Supply 4.1mA
Base Product Number MAX2659

Packaging & ESD

Industry-standard static shielding packaging is used for electronic components.Anti-static, light-transparent materials allow easy identification of ICs and PCB assemblies.
The packaging structure provides electrostatic protection based on Faraday cage principles.This helps protect sensitive components from static discharge during handling and transportation.


All products are packed in ESD-safe anti-static packaging. Outer packaging labels include part number, brand, and quantity for clear identification. Goods are inspected prior to shipment to ensure proper condition and authenticity.

ESD protection is maintained throughout packing, handling, and global transportation. Secure packaging provides reliable sealing and resistance during transit. Additional cushioning materials are applied when required to protect sensitive components.

QC(Part Testing by IC Components)Quality Warranty

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2). Use our account for shipment, Shipment charges(Reference DHL/FedEx, Different Countries has different price.)
Shipment charges: (Reference DHL and FedEX)
Weight(KG): 0.00kg-1.00kg Price(USD$) : USD$60.00
Weight(KG): 1.00kg-2.00kg Price(USD$) : USD$80.00
* The price of cost is reference with DHL/FedEx. The detail charges, please contact us. Different country the express charges are different.



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MAX2659ELT+T Product Details:

The MAX2659ELT+T is a high-performance RF amplifier specifically designed for GPS and GNSS (Global Navigation Satellite System) applications, developed by Analog Devices / Maxim Integrated. This compact integrated circuit addresses critical design challenges in satellite navigation receiver front-end signal amplification, offering exceptional performance in a miniature 6-uDFN (1.5x1) surface-mount package.

Engineered to operate precisely at the GPS L1 frequency of 1575.42 MHz, this RF amplifier provides a remarkable gain of 20.5 dB with an impressively low noise figure of 0.8 dB. The device is optimized for low-power mobile and portable navigation devices, consuming only 4.1 mA of current while operating across a flexible supply voltage range of 1.6V to 3.3V.

The amplifier's key technical characteristics include a P1dB (compression point) of -12 dBm, making it suitable for applications requiring consistent signal amplification in challenging reception environments. Its compact 6-WFDFN package ensures minimal board space requirements, ideal for modern compact electronic designs in smartphones, portable navigation systems, and wearable technology.

Primary advantages include excellent signal conditioning, low power consumption, and robust performance in GPS/GNSS receiver front-end architectures. The device is RoHS compliant, ensuring environmental sustainability and adherence to global electronic manufacturing standards.

While direct equivalent models are not explicitly listed, similar RF amplifiers in the GPS/GNSS domain might include products from manufacturers like Skyworks Solutions, NXP Semiconductors, and STMicroelectronics. Potential application areas encompass mobile communications, automotive navigation systems, location-based services, and precision tracking technologies.

The MAX2659ELT+T is available in tape and reel packaging, facilitating streamlined surface-mount assembly processes for electronics manufacturers seeking high-performance GPS signal amplification solutions.

MAX2659ELT+T Key Technical Attributes

Manufacturer Part Number: MAX2659ELT+T

Test Frequency: 1575.42MHz

Gain: 20.5dB

MAX2659ELT+T Packing Size

The MAX2659ELT+T is packaged in a compact 6-uDFN (1.5mm x 1mm) surface-mount encapsulation, specifically identified as 6-WFDFN, making it ideal for high-density PCB designs. The package is engineered for tape & reel (TR) delivery, ensuring compatibility with automated assembly processes. The 6-uDFN configuration features a well-defined pinout for optimized RF performance and facilitates efficient thermal management due to its small footprint and exposed-pad design. Electrical properties include an operating voltage range of 1.6V to 3.3V and a nominal supply current of 4.1mA, supporting applications where space and power consumption are critical.

MAX2659ELT+T Application

The MAX2659ELT+T is primarily designed as a low-noise RF amplifier for GPS and GNSS applications, optimized for frequency bands centered at 1575.42MHz. Its superior low noise figure and small size make it suited for portable navigation devices, mobile handsets, automotive GPS systems, and other sensitive RF front-end implementations. It can also be deployed in systems where exceptionally low signal degradation and high linearity are required for satellite-based location accuracy.

MAX2659ELT+T Features

This device features a high gain of 20.5dB with an ultra-low noise figure of 0.8dB, effectively enhancing weak GPS signals and improving system sensitivity. The supply current is exceptionally low at just 4.1mA, extending battery life in mobile applications. The amplifier’s P1dB (output compression point) of -12dBm ensures robust linearity under demanding signal conditions. Its operating voltage flexibility (1.6V to 3.3V) accommodates various power architectures. The small 6-uDFN package not only reduces the board area but also improves RF performance through reduced lead inductance and minimal parasitic effects. The device is optimized to reject out-of-band signals, minimizing interference from adjacent frequencies and increasing GPS acquisition speed and reliability. Comprehensive design enhancements enable stable operation across temperature and voltage variations, supporting reliable GPS reception in diverse environments.

MAX2659ELT+T Quality and Safety Features

Manufactured in accordance with high reliability standards, this component meets design criteria for RoHS compliance, although inventory verification is recommended for specific batches. The tightly controlled package construction and quality assurance during wafer fabrication and assembly ensure product consistency, longevity, and performance over time. Features such as ESD protection and environmental compliance further contribute to its robust safety profile, minimizing the risk of field failures in mission-critical applications.

MAX2659ELT+T Compatibility

The MAX2659ELT+T is highly compatible with a wide range of GPS and GNSS receiver ICs and matching networks, due to its flexible voltage supply range and RF characteristics. It’s designed for seamless integration into modern PCB layouts, and its footprint enables straightforward replacement or implementation in existing projects using the MAX2659 base product number series. The standardized 6-WFDFN package aligns with prevailing SMT processes.

MAX2659ELT+T Datasheet PDF

For the most complete and authoritative technical details, including application circuits, design guidance, and performance graphs, please download the official datasheet PDF from our website. We strongly encourage customers to use the datasheet available on this page to ensure precise and up-to-date information for design and procurement decisions.

Quality Distributor

IC-Components takes pride in being a premium, highly reliable distributor of Analog Devices / Maxim Integrated products. We offer a comprehensive inventory of authentic, traceable MAX2659ELT+T units at competitive prices. Leverage our world-class service and get an instant quote through our website. Choose confidence—choose IC-Components for all your RF and GPS front-end needs.

Frequently Asked Questions

What are the key power supply design constraints when integrating the MAX2659ELT+T into a low-power GPS receiver system?
The MAX2659ELT+T operates from a 1.6V to 3.3V supply, but its noise performance and gain stability are optimized near the upper end of this range. For battery-powered applications, ensure that voltage droop under load does not fall below 1.8V, as this can degrade the 0.8dB noise figure and reduce gain flatness. Use a low-noise LDO with <10µV RMS output noise and place a 100nF ceramic bypass capacitor within 1mm of the VCC pin to suppress high-frequency supply transients.
Can the MAX2659ELT+T be used in multi-constellation GNSS receivers supporting GLONASS or Galileo, or is it strictly limited to GPS L1?
While the MAX2659ELT+T is specified at 1575.42 MHz (GPS L1), its -3dB bandwidth extends sufficiently to support adjacent GNSS signals such as Galileo E1 and BeiDou B1C, which reside within ±5 MHz of GPS L1. However, out-of-band interference from cellular bands (e.g., LTE Band 13) may require an external SAW filter. The device itself lacks built-in filtering, so system-level spectral planning is essential for multi-GNSS use.
How does the MAX2659ELT+T compare to the Skyworks SKY65404-31 for GPS front-end amplification in terms of noise figure and linearity trade-offs?
The MAX2659ELT+T offers a superior 0.8dB noise figure versus the SKY65404-31’s typical 1.2dB, making it better suited for weak-signal environments. However, the SKY65404-31 provides higher IIP3 (+5dBm vs. not specified for MAX2659ELT+T), offering better resilience to strong interferers. If your application operates near cellular transmitters, the Skyworks part may be preferable despite its higher noise figure; otherwise, the MAX2659ELT+T delivers better sensitivity.
What layout considerations are critical when designing a PCB for the MAX2659ELT+T in a 6-uDFN (1.5x1mm) package?
Due to the ultra-small 6-uDFN footprint and high-frequency operation, maintain a solid ground plane beneath the device and use thermal vias under the exposed pad to ensure proper heat dissipation and RF return paths. Keep input and output traces impedance-controlled (50Ω) and minimize trace length to reduce parasitic inductance. Avoid routing digital signals near the RF input to prevent coupling that could raise the effective noise floor.
Is the MAX2659ELT+T suitable for automotive-grade GPS applications requiring AEC-Q100 compliance?
No, the MAX2659ELT+T is not AEC-Q100 qualified and lacks extended temperature range certification beyond the industrial range (-40°C to +85°C). For automotive under-hood or exterior-mounted GPS modules, consider automotive-grade alternatives like the UBX-M10S from u-blox or seek a qualified RF amplifier with explicit AEC-Q100 Grade 2 or higher validation.
Can I replace a legacy BGA-packaged GPS LNA like the SiGe SE2605L-R with the MAX2659ELT+T without redesigning the matching network?
Direct replacement is not recommended. The SE2605L-R uses a different input/output impedance profile and requires specific matching components optimized for its internal architecture. The MAX2659ELT+T has internal matching optimized for 50Ω at 1575.42 MHz but may still need fine-tuning of external DC-blocking capacitors and series resistors depending on board parasitics. Perform a network analyzer sweep or simulation to validate return loss (<–10dB) before finalizing the layout.
What is the long-term reliability risk of using the MAX2659ELT+T in outdoor industrial telemetry units exposed to temperature cycling?
The MAX2659ELT+T is rated for industrial temperature ranges, but prolonged exposure to rapid thermal cycling (e.g., –30°C to +70°C daily) can stress the 6-uDFN solder joints due to CTE mismatch with standard FR4 PCBs. To mitigate this, use high-Tg PCB material, ensure adequate solder paste volume during reflow, and consider underfill if mechanical shock or vibration is present. Monitor gain drift over time—typical variation is <0.5dB over the full temperature range.
Does the MAX2659ELT+T require external biasing or enable control, and how should I manage power-down modes in duty-cycled GPS applications?
The MAX2659ELT+T does not have a dedicated enable pin; it draws 4.1mA quiescent current whenever VCC is applied. For duty-cycled operation, use a load switch on the 1.6V–3.3V supply rail controlled by a microcontroller GPIO. Ensure the switch has low leakage (<1µA) to preserve battery life and fast turn-on time (<10µs) to meet GPS receiver acquisition timing requirements.
How does the P1dB compression point of –12dBm affect system design when placing the MAX2659ELT+T after a passive antenna filter?
With a P1dB of –12dBm, the MAX2659ELT+T will begin compressing if strong out-of-band signals (e.g., from nearby GSM or LTE transmitters) exceed this level at the input. Always place a high-rejection SAW filter before the amplifier to attenuate blockers. For example, a 20dB-rejection filter at 800MHz reduces a 0dBm GSM signal to –20dBm, keeping the amplifier in its linear region and preserving GPS signal integrity.
Are there known compatibility issues when using the MAX2659ELT+T with active antennas requiring 3V bias voltage?
Yes. The MAX2659ELT+T does not include a built-in bias tee. If using an active antenna, you must provide a separate DC feed through an RF choke (e.g., 10µH high-Q inductor) on the RF input line, combined with a blocking capacitor (100pF–1nF). Ensure the bias circuit does not introduce impedance discontinuities—simulate or measure S11 to confirm minimal impact on the 50Ω match at 1575.42 MHz.

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