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MAX2388EGC-T
Analog Devices Inc./Maxim Integrated
MAX2388 W-CDMA LNA/MIXER IC
7545 Pcs New Original In Stock
RF IC LNA/Mixer WCDMA, Cellular, GSM 2.11GHz ~ 2.17GHz 2.7V ~ 3.3V Supply 12-QFN (3x3)
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*Quantity
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5.0 / 5.0
- (271 Ratings)
MAX2388EGC-T
Product Overview
9197904
DiGi Electronics Part Number
MAX2388EGC-T-DGManufacturer
Analog Devices Inc./Maxim Integrated
MAX2388EGC-T
Description
MAX2388 W-CDMA LNA/MIXER ICInventory
7545 Pcs New Original In Stock
RF IC LNA/Mixer WCDMA, Cellular, GSM 2.11GHz ~ 2.17GHz 2.7V ~ 3.3V Supply 12-QFN (3x3)
Quantity
Minimum 1
Minimum 1
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MAX2388EGC-T Technical Specifications
Category
RF Misc ICs and Modules
Packaging
Bulk
Series
MAX2388
Product Status
Active
Function
LNA/Mixer
Frequency
2.11GHz ~ 2.17GHz
RF Type
WCDMA, Cellular, GSM
Secondary Attributes
2.7V ~ 3.3V Supply
Mounting Type
Surface Mount
Package / Case
12-VFQFN Exposed Pad
Supplier Device Package
12-QFN (3x3)
Datasheet & Documents
HTML Datasheet
MAX2388EGC-T-DG
Environmental & Export Classification
RoHS Status
RoHS non-compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Affected
ECCN
5A991G
HTSUS
8542.39.0001
Additional Information
Other Names
MAXMAXMAX2388EGC-T
2156-MAX2388EGC-T
Standard Package
119
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
최상의 사후 서비스로 오랜 기간 믿고 거래할 수 있어 좋습니다.
Dec 02, 2025
Schneller Versand und ein freundlicher Kundenservice – so stelle ich mir eine optimale Einkaufserfahrung vor, die ich bei DiGi Electronics regelmäßig erlebe.
Dec 02, 2025
Reliable shipping times help me meet my project deadlines.
Dec 02, 2025
Support staff is knowledgeable and always willing to help with any issues.
Dec 02, 2025
DiGi Electronics has an excellent system for managing stock levels efficiently.
Dec 02, 2025
The shopping experience was seamless and I appreciated the consistent quality of products delivered every time.
Dec 02, 2025
The diversity of options available is a major plus, reflecting their adaptability to market trends.
Dec 02, 2025
DiGi Electronics ensures quick dispatch and reliable after-sales assistance.
Dec 02, 2025
Reliable hardware at such an affordable price is a rare find in the gaming industry.
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Frequently Asked Questions (FAQ)
What are the critical layout considerations when designing a PCB for the MAX2388EGC-T to avoid LNA instability and mixer spurs in a 2.1 GHz WCDMA front-end?
When integrating the MAX2388EGC-T, ensure a solid ground plane beneath the exposed pad (connected with multiple vias) and maintain tight coupling between the LNA input matching network and the antenna port to minimize parasitic inductance. Keep the RF traces short, use controlled impedance routing (typically 50 Ω), and isolate the mixer output from digital or high-speed signals to prevent self-oscillation and spurious mixing products. Poor grounding or long return paths can cause gain peaking or oscillation near 2.14 GHz, degrading EVM in WCDMA applications.
Can the MAX2388EGC-T be safely used as a drop-in replacement for the SKY65012-70LF in a 2.1 GHz GSM receiver chain, and what adjustments are needed?
The MAX2388EGC-T is not a direct drop-in for the SKY65012-70LF due to differences in pinout, supply current, and internal matching. While both operate around 2.1 GHz, the SKY65012-70LF includes integrated bias circuits and optimized for 3.0V operation with different IIP3 and noise figure trade-offs. Replacing it requires redesigning the input matching network, verifying LO drive level compatibility, and re-evaluating DC biasing—especially since the MAX2388EGC-T draws higher quiescent current (typ. 18 mA vs. 12 mA), which may overload existing regulator circuits.
How does the MAX2388EGC-T behave under supply voltage droop or ripple in battery-powered cellular devices, and what decoupling strategy is recommended?
The MAX2388EGC-T is sensitive to supply noise due to its high-gain LNA stage; even 50 mVpp ripple at 2.1 GHz can modulate the mixer and degrade ACLR performance. Use a low-ESR ceramic capacitor (100 nF) placed within 2 mm of the VCC pin, supplemented by a 10 µF bulk capacitor. Avoid shared power rails with digital ICs—dedicated LDO regulation (e.g., ADP150) is preferred. Voltage droop below 2.7V during transmit bursts can cause gain compression and desense, so validate transient response under peak current loads typical in WCDMA uplink scenarios.
Is the MAX2388EGC-T suitable for operation in industrial temperature environments (−40°C to +85°C), and what performance drift should be expected?
Yes, the MAX2388EGC-T is specified for −40°C to +85°C operation, but expect ~1.5 dB degradation in noise figure at cold temperatures (−40°C) and reduced mixer conversion gain at high temperatures (+85°C). This can impact receiver sensitivity in outdoor base stations or automotive telematics. Compensate by tightening the link budget margin or using temperature-compensated biasing. Also, ensure solder joint integrity—the 12-QFN (3x3) package with exposed pad is susceptible to thermal cycling stress; follow IPC-7351 guidelines for pad design and reflow profiling.
What are the risks of using the MAX2388EGC-T in a multi-band GSM/WCDMA design where the 2.1 GHz band is not always active, and how can idle-mode interference be mitigated?
In multi-band systems, leaving the MAX2388EGC-T powered during inactive 2.1 GHz slots can generate broadband noise or LO leakage that desensitizes adjacent receivers (e.g., 1.9 GHz PCS band). Although the part lacks a shutdown pin, you can mitigate this by gating the LO input or using an external switch on the RF path. Alternatively, power down the device via a load switch on the 3.3V rail—but ensure inrush current during wake-up doesn’t exceed 50 mA. Failing to isolate the mixer during off-states may violate spurious emission limits in 3GPP TS 45.005 for co-located transceivers.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MAX2388EGC-T CAD Models
Analog Devices Inc./Maxim Integrated MAX2388EGC-T PCB symbols & footprints
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