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EFR32ZG23A010F512GM48-BR
Electronics Part Number
EFR32ZG23A010F512GM48-BR-WXManufacturer
Analog Devices, Inc.
EFR32ZG23A010F512GM48-BR
Description
Wireless SoC ZG23, Sub-GHz Band, 512 KB Flash Memory, 64 KB RAM for IoT DevicesInventory
197 Pcs New Original In Stock
IC RF TxRx + MCU, Z-Wave, ISM <1GHz, 863-928MHz, 48-VFQFN.
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Technical Specifications
Category
RF Mixers
Manufacturer
Analog Devices, Inc.
Packaging
Tape & Reel (TR)
Mounting Type
Surface Mount
Package / Case
24-WQFN Exposed Pad
Series
LT5579
Base Product Number
LT5579
Product Status
Active
Gain
2.6dB
Current - Supply
250mA
Frequency
1.5GHz ~ 3.8GHz
Voltage - Supply
3.3V
Supplier Device Package
24-QFN (5x5)
RF Type
Cellular, CDMA2000, EDGE, GPRS, GSM
Secondary Attributes
Up Converter
Number of Mixers
1
Noise Figure
9.9dB
Data Sheet Document (D)
Datasheets
Download LT5579IUH#TRPBF Product Specification (PDF)
HTML Datasheet
LT5579IUH#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
Standard Package
2,500
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Frequently Asked Questions (FAQ)
How does the LT5579IUH#TRPBF perform in high-temperature environments when used in outdoor cellular
The LT5579IUH#TRPBF operates reliably in industrial temperature ranges (typically -40°C to +85°C), but power dissipation from its 250mA supply current at 3.3V can lead to localized heating in 24-QFN (5x5) packages. In outdoor cellular or remote radio head applications, ensure adequate PCB copper grounding and thermal vias under the exposed pad to minimize junction temperature. Use at least a 4-layer board with internal ground planes to enhance heat dissipation. Avoid placing heat-sensitive components nearby, and consider derating RF performance above +70°C ambient to maintain linearity and avoid gain drift in EDGE or CDMA2000 up-conversion paths.
Can the LT5579IUH#TRPBF replace the HMC554ALC5 in a 2.5GHz upconverter design, and what are the crit
While both the LT5579IUH#TRPBF and HMC554ALC5 support up-conversion in the 2.5GHz band, the LT5579IUH#TRPBF offers lower supply current (250mA vs. ~300mA) and better integration for GSM/GPRS systems, but has higher noise figure (9.9dB vs. ~6dB) and lower gain (2.6dB vs. 8dB). This makes the LT5579IUH#TRPBF less suitable for noise-critical applications unless followed by a low-noise IF amplifier. When replacing the HMC554ALC5, ensure LO drive levels are adjusted—LT5579IUH#TRPBF requires +13dBm for optimal OIP3, versus +5dBm for HMC554ALC5—so verify driver stage compatibility to avoid conversion loss and distortion.
What are the key LO drive requirements for the LT5579IUH#TRPBF in high-linearity GSM base station ap
The LT5579IUH#TRPBF requires a +13dBm LO signal (typ.) at 1.5GHz–3.8GHz for optimal output third-order intercept (OIP3) and minimal conversion variation. Underdriving the LO increases noise and distortion, especially in GSM and EDGE modulation schemes. To suppress LO leakage into RF or IF ports—which can cause interference or fail emissions tests—use a directional coupler or filtering at the LO input, ensure symmetrical balun layout on the LO trace, and avoid sharing LO paths among multiple mixers. Keep LO trace length under λ/8 and use grounded coplanar waveguide routing to minimize radiation.
How does the LT5579IUH#TRPBF handle high VSWR loads in cellular transmitter circuits, and what prote
The LT5579IUH#TRPBF lacks integrated VSWR protection, making it vulnerable to reflected power when driving mismatched antennas or filters in upconverter stages, especially in multi-band GSM applications. High VSWR can degrade intermodulation performance or damage internal Schottky diodes. To mitigate risk, place a resistive attenuator (3–6dB) at the RF output or use a PIN diode limiter and directional coupler with a power detector. Always simulate load pull behavior in your band of interest and avoid operating near the edge of antenna bandwidths without isolators or circulators.
Is the LT5579IUH#TRPBF suitable for direct replacement of the MAX2664 in a 3.5GHz WiMAX upconverter,
The LT5579IUH#TRPBF can technically operate at 3.5GHz—the upper limit of its specified range—but the MAX2664 offers better NF and gain flatness in that band. When substituting LT5579IUH#TRPBF for MAX2664, expect a drop in conversion gain (2.6dB vs. ~6dB), requiring additional IF amplification. The LT5579IUH#TRPBF also draws higher supply current (250mA vs. 100mA), so verify power budget. Adjust PCB layout with shorter, impedance-controlled RF traces (<50Ω, tightly matched), minimize stubs, and use π-filter decoupling (100pF + 10µF) close to VCC pins to maintain stability at 3.8GHz edge performance.
How does the LT5579IUH#TRPBF perform in high-temperature environments when used in outdoor cellular
The LT5579IUH#TRPBF operates reliably in industrial temperature ranges (typically -40°C to +85°C), but power dissipation from its 250mA supply current at 3.3V can lead to localized heating in 24-QFN (5x5) packages. In outdoor cellular or remote radio head applications, ensure adequate PCB copper grounding and thermal vias under the exposed pad to minimize junction temperature. Use at least a 4-layer board with internal ground planes to enhance heat dissipation. Avoid placing heat-sensitive components nearby, and consider derating RF performance above +70°C ambient to maintain linearity and avoid gain drift in EDGE or CDMA2000 up-conversion paths.
Can the LT5579IUH#TRPBF replace the HMC554ALC5 in a 2.5GHz upconverter design, and what are the crit
While both the LT5579IUH#TRPBF and HMC554ALC5 support up-conversion in the 2.5GHz band, the LT5579IUH#TRPBF offers lower supply current (250mA vs. ~300mA) and better integration for GSM/GPRS systems, but has higher noise figure (9.9dB vs. ~6dB) and lower gain (2.6dB vs. 8dB). This makes the LT5579IUH#TRPBF less suitable for noise-critical applications unless followed by a low-noise IF amplifier. When replacing the HMC554ALC5, ensure LO drive levels are adjusted—LT5579IUH#TRPBF requires +13dBm for optimal OIP3, versus +5dBm for HMC554ALC5—so verify driver stage compatibility to avoid conversion loss and distortion.
What are the key LO drive requirements for the LT5579IUH#TRPBF in high-linearity GSM base station ap
The LT5579IUH#TRPBF requires a +13dBm LO signal (typ.) at 1.5GHz–3.8GHz for optimal output third-order intercept (OIP3) and minimal conversion variation. Underdriving the LO increases noise and distortion, especially in GSM and EDGE modulation schemes. To suppress LO leakage into RF or IF ports—which can cause interference or fail emissions tests—use a directional coupler or filtering at the LO input, ensure symmetrical balun layout on the LO trace, and avoid sharing LO paths among multiple mixers. Keep LO trace length under λ/8 and use grounded coplanar waveguide routing to minimize radiation.
How does the LT5579IUH#TRPBF handle high VSWR loads in cellular transmitter circuits, and what prote
The LT5579IUH#TRPBF lacks integrated VSWR protection, making it vulnerable to reflected power when driving mismatched antennas or filters in upconverter stages, especially in multi-band GSM applications. High VSWR can degrade intermodulation performance or damage internal Schottky diodes. To mitigate risk, place a resistive attenuator (3–6dB) at the RF output or use a PIN diode limiter and directional coupler with a power detector. Always simulate load pull behavior in your band of interest and avoid operating near the edge of antenna bandwidths without isolators or circulators.
Is the LT5579IUH#TRPBF suitable for direct replacement of the MAX2664 in a 3.5GHz WiMAX upconverter,
The LT5579IUH#TRPBF can technically operate at 3.5GHz—the upper limit of its specified range—but the MAX2664 offers better NF and gain flatness in that band. When substituting LT5579IUH#TRPBF for MAX2664, expect a drop in conversion gain (2.6dB vs. ~6dB), requiring additional IF amplification. The LT5579IUH#TRPBF also draws higher supply current (250mA vs. 100mA), so verify power budget. Adjust PCB layout with shorter, impedance-controlled RF traces (<50Ω, tightly matched), minimize stubs, and use π-filter decoupling (100pF + 10µF) close to VCC pins to maintain stability at 3.8GHz edge performance.
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Sep 15 2026
