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EFR32ZG23A010F512GM48-B
Electronics Part Number
EFR32ZG23A010F512GM48-B-WXManufacturer
Analog Devices, Inc.
EFR32ZG23A010F512GM48-B
Description
ZG23 Sub-GHz Wireless MCU with 512 KB Flash and 64 KB RAM for IoT ConnectivityInventory
381 Pcs New Original In Stock
Z-Wave RF transceiver IC with MCU, 863-870/902-928MHz, 48-VFQFN exposed pad.
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Minimum 1
Minimum 1
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Basic cost: USD 70.00
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Technical Specifications
Category
RF Mixers
Manufacturer
Analog Devices, Inc.
Packaging
Tape & Reel (TR)
Mounting Type
Surface Mount
Package / Case
16-WQFN Exposed Pad
Series
LT5557
Base Product Number
LT5557
Product Status
Active
Gain
3.3dB
Current - Supply
92mA
Frequency
400MHz ~ 3.8GHz
Voltage - Supply
2.9V ~ 3.9V
Supplier Device Package
16-QFN (4x4)
RF Type
Cellular, CDMA, TD-SCDMA, UMTS, WCDMA
Secondary Attributes
Down Converter
Number of Mixers
1
Noise Figure
11.7dB
Data Sheet Document (D)
Datasheets
Download LT5557EUF#TRPBF Product Specification (PDF)
HTML Datasheet
LT5557EUF#TRPBF-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
-2735-LT5557EUF#TRPBFDKR LT5557EUF#TRPBF-DG 505-LT5557EUF#TRPBFDKR -2735-LT5557EUF#TRPBFCT 505-LT5557EUF#TRPBFTR 505-LT5557EUF#TRPBFCT
Standard Package
2,500
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Frequently Asked Questions (FAQ)
What are the key design considerations when replacing the LT5557EUF#TRPBF with a competitor mixer li
When replacing the LT5557EUF#TRPBF with alternatives such as the HMC787A or ADRF6655, evaluate LO drive level compatibility, impedance matching networks, and DC power requirements. The LT5557EUF#TRPBF operates optimally with a +7 dBm LO drive and draws only 92 mA at 3.3 V, while the HMC787A requires higher LO power (+13 dBm) and the ADRF6655 integrates a PLL that may introduce spurs. Ensure your LO source can meet these demands and re-tune input/output matching for optimal noise figure and gain flatness across 400 MHz to 3.8 GHz. Also verify package thermal performance—the LT5557EUF#TRPBF’s 16-QFN with exposed pad simplifies heat dissipation compared to some GaAs-based alternatives.
How should I handle PCB layout and grounding for the LT5557EUF#TRPBF to minimize noise coupling and
For the LT5557EUF#TRPBF, implement a solid ground plane beneath the 16-QFN exposed pad and use multiple via stitching around the perimeter to reduce thermal and electrical impedance. Keep RF input, LO, and IF traces short and impedance-controlled (typically 50 Ω), and isolate them from digital or high-speed clock lines. Place decoupling capacitors (100 nF and 10 pF) as close as possible to the VCC pin to suppress supply noise. Avoid routing sensitive traces under the device, and ensure the local ground reference is clean—floating or noisy grounds can degrade the 11.7 dB noise figure and cause spurious responses in cellular band applications.
Can the LT5557EUF#TRPBF be safely operated near its upper frequency limit (3.8 GHz) in a WCDMA recei
Yes, but with caution. The LT5557EUF#TRPBF maintains usable performance up to 3.8 GHz, but gain rolls off and third-order intercept (IIP3) degrades near this edge. At 3.8 GHz, ensure input signal levels stay below –10 dBm to avoid premature compression, and verify linearity through bench testing with two-tone IMD measurements. Use external filtering to block out-of-band blockers that could drive the mixer into nonlinear regions. If your system demands high dynamic range at 3.8 GHz, consider adding a pre-select filter or evaluating a higher-performance alternative like the LTC5599, though at increased cost and power.
What are the reliability and long-term supply risks of using the LT5557EUF#TRPBF in a mission-critic
The LT5557EUF#TRPBF carries minimal reliability risk for infrastructure use: it is manufactured by Analog Devices with full automotive-grade screening options available, and its MSL-1 (unlimited floor life) rating eliminates moisture-related assembly concerns like popcorning during reflow. This simplifies high-volume production and rework. However, confirm long-term availability through ADI’s product longevity program, as niche RF mixers can face obsolescence. Cross-reference with pin-compatible successors like the LTC5557-1 if future-proofing is required. Always source from authorized distributors to avoid counterfeit units, especially given active inventory levels.
Is the LT5557EUF#TRPBF suitable for battery-powered IoT devices operating in the 900 MHz ISM band, c
The LT5557EUF#TRPBF can be used in 900 MHz ISM applications, but its 92 mA quiescent current at 3.3 V makes it less ideal for ultra-low-power IoT endpoints compared to integrated transceivers like the CC1310. However, in high-performance, short-burst scenarios (e.g., industrial telemetry with strong interference), its excellent linearity and down-conversion efficiency may justify the power cost. Operate within the 2.9 V to 3.9 V range using a regulated LDO to avoid gain variation. For longer battery life, consider duty-cycling the mixer or evaluating lower-power alternatives such as the MAX2685, though with trade-offs in noise figure and integration level.
What are the key design considerations when replacing the LT5557EUF#TRPBF with a competitor mixer li
When replacing the LT5557EUF#TRPBF with alternatives such as the HMC787A or ADRF6655, evaluate LO drive level compatibility, impedance matching networks, and DC power requirements. The LT5557EUF#TRPBF operates optimally with a +7 dBm LO drive and draws only 92 mA at 3.3 V, while the HMC787A requires higher LO power (+13 dBm) and the ADRF6655 integrates a PLL that may introduce spurs. Ensure your LO source can meet these demands and re-tune input/output matching for optimal noise figure and gain flatness across 400 MHz to 3.8 GHz. Also verify package thermal performance—the LT5557EUF#TRPBF’s 16-QFN with exposed pad simplifies heat dissipation compared to some GaAs-based alternatives.
How should I handle PCB layout and grounding for the LT5557EUF#TRPBF to minimize noise coupling and
For the LT5557EUF#TRPBF, implement a solid ground plane beneath the 16-QFN exposed pad and use multiple via stitching around the perimeter to reduce thermal and electrical impedance. Keep RF input, LO, and IF traces short and impedance-controlled (typically 50 Ω), and isolate them from digital or high-speed clock lines. Place decoupling capacitors (100 nF and 10 pF) as close as possible to the VCC pin to suppress supply noise. Avoid routing sensitive traces under the device, and ensure the local ground reference is clean—floating or noisy grounds can degrade the 11.7 dB noise figure and cause spurious responses in cellular band applications.
Can the LT5557EUF#TRPBF be safely operated near its upper frequency limit (3.8 GHz) in a WCDMA recei
Yes, but with caution. The LT5557EUF#TRPBF maintains usable performance up to 3.8 GHz, but gain rolls off and third-order intercept (IIP3) degrades near this edge. At 3.8 GHz, ensure input signal levels stay below –10 dBm to avoid premature compression, and verify linearity through bench testing with two-tone IMD measurements. Use external filtering to block out-of-band blockers that could drive the mixer into nonlinear regions. If your system demands high dynamic range at 3.8 GHz, consider adding a pre-select filter or evaluating a higher-performance alternative like the LTC5599, though at increased cost and power.
What are the reliability and long-term supply risks of using the LT5557EUF#TRPBF in a mission-critic
The LT5557EUF#TRPBF carries minimal reliability risk for infrastructure use: it is manufactured by Analog Devices with full automotive-grade screening options available, and its MSL-1 (unlimited floor life) rating eliminates moisture-related assembly concerns like popcorning during reflow. This simplifies high-volume production and rework. However, confirm long-term availability through ADI’s product longevity program, as niche RF mixers can face obsolescence. Cross-reference with pin-compatible successors like the LTC5557-1 if future-proofing is required. Always source from authorized distributors to avoid counterfeit units, especially given active inventory levels.
Is the LT5557EUF#TRPBF suitable for battery-powered IoT devices operating in the 900 MHz ISM band, c
The LT5557EUF#TRPBF can be used in 900 MHz ISM applications, but its 92 mA quiescent current at 3.3 V makes it less ideal for ultra-low-power IoT endpoints compared to integrated transceivers like the CC1310. However, in high-performance, short-burst scenarios (e.g., industrial telemetry with strong interference), its excellent linearity and down-conversion efficiency may justify the power cost. Operate within the 2.9 V to 3.9 V range using a regulated LDO to avoid gain variation. For longer battery life, consider duty-cycling the mixer or evaluating lower-power alternatives such as the MAX2685, though with trade-offs in noise figure and integration level.
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Sep 15 2026
