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CC3120RNMARGKR
Texas Instruments
IC RF TXRX+MCU WIFI 64VFQFN
75429 Pcs New Original In Stock
IC RF TxRx + MCU WiFi 802.11b/g/n 2.4GHz 64-VFQFN Exposed Pad
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5.0 / 5.0
- (134 Ratings)
CC3120RNMARGKR
Product Overview
1421661
DiGi Electronics Part Number
CC3120RNMARGKR-DGManufacturer
Texas Instruments
CC3120RNMARGKR
Description
IC RF TXRX+MCU WIFI 64VFQFNInventory
75429 Pcs New Original In Stock
IC RF TxRx + MCU WiFi 802.11b/g/n 2.4GHz 64-VFQFN Exposed Pad
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
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CC3120RNMARGKR Technical Specifications
Category
RF Transceiver ICs
Packaging
Cut Tape (CT) & Digi-Reel®
Series
SimpleLink™
Product Status
Active
DiGi-Electronics Programmable
Not Verified
Type
TxRx + MCU
RF Family/Standard
WiFi
Protocol
802.11b/g/n
Modulation
DSSS, OFDM
Frequency
2.4GHz
Data Rate (Max)
54Mbps
Power - Output
18dBm
Sensitivity
-96dBm
Memory Size
-
Serial Interfaces
SPI, UART
Voltage - Supply
2.1V ~ 3.6V
Current - Receiving
59mA
Current - Transmitting
229mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
64-VFQFN Exposed Pad
Supplier Device Package
64-VQFN (9x9)
Base Product Number
CC3120
Datasheet & Documents
Getting Started Guide
CC3120 Solution SDK Getting Started Guide
Manufacturer Product Page
CC3120RNMARGKR Specifications
HTML Datasheet
CC3120RNMARGKR-DG
Design Resources
CC3120, CC3220 Design Checklist
CC3120, CC3220 Layout Guidelines
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A992C
HTSUS
8542.31.0001
Additional Information
Other Names
296-45445-2
296-45445-1
296-45445-6
Standard Package
2,500
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
DiGi Electronics prioritizes customer satisfaction through fair prices and attentive service.
de desembre 02, 2025
Even after years of use, DiGi Electronics' products still function flawlessly, highlighting their durability.
de desembre 02, 2025
DiGi Electronics's logistics team handles international shipments efficiently, with minimal customs delays and clear communication throughout the process.
de desembre 02, 2025
I am impressed by their unwavering focus on product consistency and price clarity.
de desembre 02, 2025
DiGi Electronics offers an impressive variety of products that cater to diverse needs, demonstrating their commitment to customer satisfaction.
de desembre 02, 2025
Great value at a fair price, with packaging that’s good for the environment.
de desembre 02, 2025
From inquiry to purchase, their professionalism shines through, making me trust their brand completely.
de desembre 02, 2025
The sturdy nature of their products means I can rely on them for long-term projects.
de desembre 02, 2025
DiGi Electronics' quick delivery has made a significant difference in how I schedule my repair jobs.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when integrating the CC3120RNMARGKR into a space-constrained IoT PCB, and how can thermal performance be maintained under continuous transmit loads?
When integrating the CC3120RNMARGKR in compact layouts, inadequate thermal vias or insufficient copper pour under the exposed pad can lead to overheating during sustained 2.4GHz transmission, risking thermal throttling or reduced lifespan. To mitigate, ensure at least 4x 0.3mm thermal vias connected to inner ground planes and maintain a minimum 2mm clearance around the RF section. Use controlled impedance traces for RF connections and avoid routing high-speed signals beneath the CC3120RNMARGKR to prevent coupling. Keep the total junction temperature below 100°C by monitoring power cycles and limiting duty cycles above 50% in enclosed environments.
Can the CC3120RNMARGKR replace the ESP32-WROOM-32 in an existing dual-band WiFi design, and what limitations should engineers expect in 2.4GHz-only applications?
The CC3120RNMARGKR cannot fully replace the ESP32-WROOM-32 in designs requiring Bluetooth Low Energy (BLE) or dual-core processing, as it only supports WiFi 802.11b/g/n and lacks an integrated BLE radio. While both operate at 2.4GHz, the CC3120RNMARGKR relies on an external host MCU for application processing, unlike the ESP32's integrated processing capability. Engineers must verify that their host processor can handle TCP/IP offload and TLS encryption demands via SPI/UART. Additionally, the CC3120RNMARGKR's maximum data rate of 54Mbps may bottleneck high-throughput applications compared to the ESP32’s more flexible interface options.
How does the CC3120RNMARGKR handle coexistence with nearby 2.4GHz RF systems like Bluetooth or Zigbee, and what board layout practices reduce interference?
The CC3120RNMARGKR lacks built-in coexistence mechanisms for simultaneous Bluetooth/Zigbee operation, increasing collision risk in mixed-RF environments. To reduce interference, maintain at least 10mm separation between antennas and use shielded enclosures with proper grounding. Route RF traces away from digital lines using 3W spacing rules, and employ a dedicated 2.2μF and 0.1μF capacitor pair close to the VDD_RF pin. Consider time-division multiplexing for multiple radios and avoid placing the CC3120RNMARGKR near noisy components like switching regulators. Conduct conducted emission testing early to validate isolation.
Is the CC3120RNMARGKR suitable for industrial edge devices requiring extended temperature operation (-40°C to 85°C), and what reliability concerns arise from prolonged high-current transmit cycles?
Yes, the CC3120RNMARGKR is rated for industrial temperature operation (-40°C to 85°C) and is well-suited for edge sensing applications. However, prolonged transmit cycles at 229mA current draw can accelerate electromigration in poorly designed power rails, especially in high-humidity environments. To ensure long-term reliability, use 2oz copper traces for VCC lines, implement staggered vias for current distribution, and avoid daisy-chained decoupling capacitors. Monitor battery or LDO performance under pulse loads, and consider adding a soft-start circuit to reduce inrush stress during wake-up from low-power modes.
What are the critical differences between the CC3120RNMARGKR and the NXP LWIP822UK/R7 when selecting a WiFi transceiver for ultra-low-power sensor nodes?
While both the CC3120RNMARGKR and NXP LWIP822UK/R7 target low-power IoT, the CC3120RNMARGKR offers superior receiver sensitivity (-96dBm vs ~-92dBm typical) enabling longer range in noisy environments. However, the LWIP822UK/R7 integrates a more efficient DC-DC converter, achieving lower average current during idle-sleep cycles. The CC3120RNMARGKR requires careful management of its 59mA receive current through aggressive sleep scheduling. Additionally, the CC3120RNMARGKR supports TI’s SimpleLink ecosystem, enabling easier certification reuse. For battery-operated nodes, validate that the host processor's wake latency aligns with the CC3120RNMARGKR's response time to avoid unnecessary power waste during RX/TX transitions.
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.
CC3120RNMARGKR CAD Models
Texas Instruments CC3120RNMARGKR PCB symbols & footprints
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