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CC1101RTKR
Texas Instruments
IC RF TXRX ISM<1GHZ 20VFQFN
8963 Pcs New Original In Stock
IC RF TxRx Only General ISM < 1GHz 300MHz ~ 348MHz, 387MHz ~ 464MHz, 779MHz ~ 928MHz 20-VFQFN Exposed Pad
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5.0 / 5.0
- (383 Ratings)
CC1101RTKR
Product Overview
1274138
DiGi Electronics Part Number
CC1101RTKR-DGManufacturer
Texas Instruments
CC1101RTKR
Description
IC RF TXRX ISM<1GHZ 20VFQFNInventory
8963 Pcs New Original In Stock
IC RF TxRx Only General ISM < 1GHz 300MHz ~ 348MHz, 387MHz ~ 464MHz, 779MHz ~ 928MHz 20-VFQFN Exposed Pad
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
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CC1101RTKR Technical Specifications
Category
RF Transceiver ICs
Packaging
-
Series
-
Product Status
Obsolete
DiGi-Electronics Programmable
Not Verified
Type
TxRx Only
RF Family/Standard
General ISM < 1GHz
Protocol
-
Modulation
2FSK, 4FSK, ASK, GFSK, MSK, OOK
Frequency
300MHz ~ 348MHz, 387MHz ~ 464MHz, 779MHz ~ 928MHz
Data Rate (Max)
600kbps
Power - Output
12dBm
Sensitivity
-116dBm
Memory Size
-
Serial Interfaces
SPI
Voltage - Supply
1.8V ~ 3.6V
Current - Receiving
14.3mA ~ 17.1mA
Current - Transmitting
12.3mA ~ 34.2mA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
20-VFQFN Exposed Pad
Supplier Device Package
20-QFN (4x4)
Base Product Number
CC1101
Datasheet & Documents
HTML Datasheet
CC1101RTKR-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
3 (168 Hours)
REACH Status
REACH Unaffected
ECCN
5A991G
HTSUS
8542.39.0001
Additional Information
Other Names
-CC1101RTKRG3
296-21981-2
296-21981-6-NDR
-296-21981-1-NDR
296-21981-1
-CC1101RTKRG3-NDR
296-21981-6
-296-21981-1
296-21981-2-NDR
-CC1101RTKR-NDR
-296-21981-1-DG
296-21981-1-NDR
Standard Package
3,000
Alternative Parts
View DetailsPART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
грудня 02, 2025
다양한 제품과 세심한 고객 서비스 덕분에 항상 만족하고 있습니다.
грудня 02, 2025
客服的反應速度讓我非常驚喜，解決我疑問的速度真是神速！
грудня 02, 2025
Une entreprise qui mise sur la satisfaction client avec un support after-sales performant.
грудня 02, 2025
Bei DiGi Electronics fühle ich mich durch den schnellen Versand und den guten Support sehr gut aufgehoben.
грудня 02, 2025
Their after-sales team responded swiftly, resolving my concerns with professionalism.
грудня 02, 2025
I trust their products because they never compromise on quality or price clarity.
грудня 02, 2025
I trust their durability; their products have reliably lasted through my testing phases.
грудня 02, 2025
I love how quickly I can locate products thanks to the well-organized categories and search function.
грудня 02, 2025
The packaging kept the product’s integrity intact, and it stands out for its toughness.
грудня 02, 2025
Their efficient support after a sale ensures continuous operational flow for my team.
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Frequently Asked Questions (FAQ)
What are the key design risks when replacing the obsolete CC1101RTKR in a new low-power ISM band sensor node, and how should I evaluate alternatives like the CC1101RGPR?
The CC1101RTKR is obsolete, so designing it into new products introduces supply chain and longevity risks. While the CC1101RGPR appears functionally identical—same frequency bands, modulation schemes, SPI interface, and pinout—it uses a different package (20-QFN 5x5 vs. 4x4) and may have slight variations in thermal performance or assembly requirements. Before substitution, verify footprint compatibility, reflow profile tolerance, and confirm that your PCB layout accommodates the larger thermal pad. Also validate firmware compatibility, as register defaults or calibration routines might differ subtly. Always test RF performance (sensitivity, output power) across your target frequency band under real-world conditions to ensure no degradation in link budget.
Can I use the CC1101RTKR in a battery-powered remote sensor operating at 315MHz with intermittent 500kbps data bursts, and what are the hidden power consumption pitfalls?
Yes, the CC1101RTKR supports 315MHz operation and can handle 500kbps data rates using GFSK or 4FSK modulation. However, its transmit current can spike up to 34.2mA at 12dBm output, which significantly impacts battery life if duty cycling isn’t tightly controlled. A critical but non-obvious risk is the startup time from sleep mode (~2ms typical); frequent wake-ups for short transmissions waste energy waiting for PLL stabilization. To mitigate this, batch data transmissions, use the lowest acceptable output power, and leverage the built-in FIFO to minimize active time. Also ensure your MCU SPI timing aligns with the CC1101RTKR’s timing requirements to avoid unnecessary retries or extended active states.
How does the CC1101RTKR compare to the newer CC1310 in terms of integration, cost, and long-term reliability for a 433MHz industrial telemetry application?
The CC1101RTKR is a standalone RF transceiver requiring an external MCU, while the CC1310 integrates an ARM Cortex-M3 MCU, richer peripherals, and lower sleep current—making it better suited for future-proof, space-constrained designs. For a 433MHz telemetry system, the CC1310 offers superior energy efficiency (<1µA in shutdown) and enhanced RF performance with better adjacent channel rejection. However, the CC1101RTKR may still be viable if you already have a capable MCU and prioritize lower BOM cost. The major trade-off is long-term availability: since the CC1101RTKR is obsolete, sourcing could become unreliable, whereas the CC1310 is actively supported by TI with extended lifecycle commitments. Always assess total system cost, not just component price.
What layout and grounding mistakes commonly cause RF performance degradation when designing with the CC1101RTKR in a 2-layer PCB, and how can I avoid them?
A common mistake is inadequate grounding under the CC1101RTKR’s exposed thermal pad, which acts as the primary RF ground reference. On a 2-layer board, failing to stitch the pad directly to a solid ground plane with multiple vias leads to impedance mismatches, reduced sensitivity, and unstable output power. Additionally, placing digital traces (especially SPI lines) too close to the RF input/output pins can couple noise and degrade -116dBm sensitivity. Always route the antenna matching network first, keep it compact, and isolate it from digital sections. Use a continuous ground pour on the bottom layer and add ground vias around the CC1101RTKR perimeter. Avoid splitting the ground plane beneath the device—this is critical for stable oscillator and PA performance.
Is it safe to operate the CC1101RTKR at 3.6V supply voltage in an automotive environment where temperature swings from -30°C to 80°C, and what reliability concerns should I anticipate?
While the CC1101RTKR’s absolute maximum supply is 3.6V and its operating range includes -40°C to 85°C, running continuously at 3.6V near the upper temperature limit increases long-term reliability risks due to electromigration and accelerated aging of the internal LDO and RF circuitry. In automotive applications, voltage transients (load dumps) can exceed 3.6V even if nominal supply is 3.3V. To mitigate this, use a robust LDO with overvoltage protection and consider derating the supply to 3.3V or lower. Also ensure your PCB has proper thermal management—the 20-VFQFN package relies on the PCB for heat dissipation. Monitor for gradual sensitivity degradation over time, which could indicate oxide wearout in the receiver front-end under sustained high-voltage, high-temperature stress.
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.
CC1101RTKR CAD Models
Texas Instruments CC1101RTKR PCB symbols & footprints
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