CC1101RGPRG4 - Sub-1GHz RF Transceiver | TI | ISM/SRD
Teilenummer: CC1101RGPRG4 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $3.29 | $3,29 |
| 10 | $2.95 | $29,50 |
| 100 | $2.62 | $262,00 |
| 500 | $2.35 | $1.175,00 |
| 1.000 | $2.1 | $2.100,00 |
CC1101RGPRG4 Übersicht
A sub-1 GHz RF transceiver is a combined radio transmitter and receiver integrated circuit that sits within the broader hierarchy of wireless communication ICs - transceiver -> RF front end -> wireless connectivity IC -> semiconductor. Compared with 2.4 GHz radios, sub-1 GHz transceivers achieve longer range and better obstacle penetration for the same transmit power, making them a mainstay of industrial wireless sensor networks.
Key features of the CC1101 family include programmable data rate, a flexible packet-oriented architecture with hardware packet handling, and low active and sleep current consumption suited to battery-powered nodes. The device interfaces to a host microcontroller through a standard SPI serial interface with configurable general-purpose digital output pins (GDO0/GDO1/GDO2) for status, clocking, and packet signals. The VQFN-20 (RGP) package with exposed pad provides compact 5x5 mm-class footprint with good RF grounding and thermal relief.
Architecturally, the CC1101 integrates a low-IF receiver and a direct VCO-based transmit path on a single chip, with an on-chip crystal oscillator requiring only an external crystal. Configuration registers define frequency, channel spacing, modulation, data rate, and packet format, allowing one design to cover multiple regional frequency plans.
Typical applications include 315/433/868/915 MHz ISM/SRD wireless sensor nodes, home and building automation, alarm and security systems, and industrial telemetry. Its programmable bands make it usable across regional regulatory domains with a single board design.
When designing with the CC1101RGPRG4, follow the TI reference design layout closely: RF matching network component values depend strongly on the chosen frequency band, and the exposed pad must be soldered to a solid ground plane for RF performance.
This page synthesizes distributor availability data, drop-in alternative analysis, and practical design notes beyond what the manufacturer datasheet provides.
Drop-in-Alternativen für CC1101RGPRG4 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Varianten dieser Serie
Modelle derselben Serie, die drop-in-kompatibel sind mit CC1101RGPRG4 (gleiche Bauform und Footprint) – abweichend in Frequency Bands, Operating Temperature, Package, RoHS Status.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
CC1101RGPR
✅ Drop-In✓ Auf Lager
$4.45 / Stück
Datenblatt ansehen →CC1101RGPR
✅ Drop-In✓ Auf Lager
$4.45 / Stück
Datenblatt ansehen →CC1100RGPR
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
CC1100ERGP
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
CC1101RGPRG4 Technische Daten
| Product Type | Low-Power Sub-1 GHz RF Transceiver |
| Frequency Bands | 300-348 MHz, 387-464 MHz, 779-928 MHz |
| Target ISM/SRD Bands | 315, 433, 868, 915 MHz |
| Gehäuse | VQFN (RGP), 20 pins, exposed pad |
| Betriebstemperatur | -40C to +85C |
| Schnittstelle | SPI serial interface |
| General Purpose Outputs | GDO0, GDO1 (SO), GDO2 |
| Crystal Oscillator | On-chip XOSC with external crystal (XOSC_Q1/XOSC_Q2) |
| Montageart | Surface Mount |
| RoHS-Status | Compliant (G4 = green RoHS version) |
| Datasheet Length | 112 pages |
CC1101RGPRG4 Pin-Konfiguration
| Pin 1 | SCLK — SPI serial clock input |
| Pin 2 | SO (GDO1) — SPI serial data output / general digital output 1 |
| Pin 3 | GDO2 — General digital output 2 (status/fifo/clock) |
| Pin 4 | DVDD — Digital power supply, 1.8 V-3.6 V class (per datasheet) |
| Pin 5 | DCPL — Power regulator decoupling capacitor connection |
| Pin 6 | GND — Ground |
| Pin 7 | XOSC_Q2 — Crystal oscillator pin 2 |
| Pin 8 | XOSC_Q1 — Crystal oscillator pin 1 |
| Pin 9 | GND — Ground |
| Pin 10 | RF_N — RF input/output, negative RF differential |
| Pin 11 | RF_P — RF input/output, positive RF differential |
| Pin 12 | GND — Ground |
| Pin 13 | AVDD — Analog power supply |
| Pin 14 | DVDD_GUARD — Digital supply guard for noise-sensitive blocks |
| Pin 15 | GDO0 — General digital output 0 / RF_TEMP / input for packet handling |
| Pin 16 | NC — Not connected (per datasheet) |
| Pin 17 | CSN — SPI chip select, active low |
| Pin 18 | SI — SPI serial data input |
| Pin 19 | R_BIAS — Reference current resistor connection |
| Pin 20 | RESET_N — Active-low digital reset input |
Typische Anwendungen
CC1101RGPRG4 ist geeignet für 6 Anwendungs: ISM/SRD Wireless Sensor Nodes, Home and Building Automation, Alarm and Security Systems, Industrial Telemetry and SCADA Field Devices, Wireless Audio and Remote Control Accessories, IoT Gateways and Sub-GHz Mesh Networks.
ISM/SRD Wireless Sensor Nodes
The CC1101RGPRG4 is TI's flagship low-power radio for battery-operated 315/433/868/915 MHz sensor nodes. Its sub-1 GHz operation gives a far better link budget than 2.4 GHz radios: at equal transmit power, lower-frequency signals diffract around and penetrate walls more effectively, so a node can report over hundreds of meters on a coin cell or two AA cells. The packet-oriented hardware engine handles preamble, sync word, CRC, and address filtering in silicon, which means the host MCU can stay in sleep most of the time and wake only on a GDO2 packet-available interrupt, minimizing average current. Frequency, channel spacing, and data rate are all register-programmable, so the same PCB serves the North American 915 MHz, European 868 MHz, and Asian 433 MHz regulatory domains. For antenna-matched designs, copy the TI reference design matching network for the chosen band, since RF performance depends heavily on layout fidelity.
Empfohlen
Home and Building Automation
Home automation systems - door/window sensors, thermostats, light switches, and energy monitors - benefit from the CC1101RGPRG4's combination of low sleep current and programmable sub-1 GHz bands. In multi-room residential environments, 433/868/915 MHz signals traverse interior walls reliably, avoiding the repeaters often needed at 2.4 GHz. The transceiver's SPI interface with GDO0/GDO1/GDO2 general-purpose outputs lets a low-cost MCU manage channel hopping, address filtering, and packet acknowledgment with minimal firmware overhead, while hardware CRC reduces software validation load. Because the frequency plan is register-defined, one hardware platform can be certified for US, EU, and APAC markets with firmware variants - a significant BOM-consolidation advantage for manufacturers. Designers should reserve board area for the band-specific matching network and use TI's SmartRF Studio-calculated register settings to hit regional duty-cycle and channel-spacing requirements on first pass.
Empfohlen
Alarm and Security Systems
Wireless alarm devices - PIR motion detectors, door contacts, sirens, and key fobs - rely on the CC1101RGPRG4's dependable sub-1 GHz link. Reliability matters more than throughput in security: a 433/868/915 MHz link at a modest data rate delivers robust detection margins, and the CC1101's hardware sync-word and address recognition suppresses false wake-ups from neighboring systems. The device's programmable output power and data rate let designers trade range against duty-cycle to satisfy regional SRD regulations. Security protocols (rolling code, encryption) run on the host MCU, since the CC1101 transparently moves payload packets over SPI. For key fobs and small sensors, the 20-pin VQFN (RGP) exposed-pad package keeps board area small. Follow TI's reference layout for the matching network exactly; RF mismatch from hand-tuned layouts is the most common cause of reduced sensitivity in alarm hardware.
Empfohlen
Industrial Telemetry and SCADA Field Devices
Industrial telemetry - tank levels, meter reading, pump status, and environmental monitoring - frequently mandates sub-1 GHz licensed-free bands with long range and high interference tolerance. The CC1101RGPRG4 covers 300-348 MHz, 387-464 MHz, and 779-928 MHz, allowing the same design to serve plant-specific frequency plans across global sites. Its low-IF receiver architecture provides solid selectivity against strong in-band interferers common in industrial RF environments, and the configurable channel spacing supports multi-channel polling networks. Paired with the CC1190 range extender, link budgets reach multi-kilometer distances for outdoor installations. The -40C to +85C operating range of the VQFN (RGP) package suits outdoor cabinets and unheated plant floors. Use star or mesh topologies with the MCU managing retries, and validate antenna matching with a VNA against TI's reference design before production.
Empfohlen
Wireless Audio and Remote Control Accessories
Low-bandwidth wireless accessories - remote controls, presentation clickers, wireless lamps and fans - are classic CC1101RGPRG4 use cases in the 315/433 MHz bands. Bidirectional transceiver capability enables acknowledgment and retransmission, a key upgrade over one-way transmitter-only remotes: the receiving device confirms every command, and the fob signals success to the user. The CC1101's packet hardware with variable packet length, sync word, and automatic CRC fits small control payloads efficiently, and its low active current extends coin-cell life in fobs. Because modulation, deviation, and data rate are all register-configured, designers can optimize a proprietary protocol that resists interference from commodity 433 MHz traffic. The SPI interface keeps firmware complexity low on cost-optimized MCUs. Keep the crystal layout per the datasheet - XOSC accuracy directly affects frequency error and thus receiver sensitivity margins.
Empfohlen
IoT Gateways and Sub-GHz Mesh Networks
Sub-GHz IoT gateways and mesh/coordinator nodes use the CC1101RGPRG4 as the radio front end for networks of battery-powered end devices. A gateway must listen frequently or continuously, so the transceiver's packet-engine interrupts (via GDO2) and SPI command strobes let an MCU manage RX duty cycles efficiently. Support for the full 300-348/387-464/779-928 MHz span means one gateway SKU can host multi-band fleets, and programmable data rate allows mixed-speed networks - low-rate long-reach nodes plus higher-rate short-reach nodes on the same coordinator. Address filtering in hardware reduces CPU load when dozens of nodes share a channel. Gateways benefit from adding the CC1190 front-end for extended uplink range. Place the CC1101 away from switching regulators on the board, since broadband switching noise can desensitize the low-IF receiver; linear regulation of the radio rail is a common high-performance choice.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für CC1101RGPRG4 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | CC1101RGPR | CC1101RGP | CC1100RGPR | CC1100ERGP |
|---|---|---|---|---|---|
| Package | VQFN-20 (RGP), exposed pad | VQFN-20 (RGP) - same | VQFN-20 (RGP) - same | VQFN-20 (RGP) - same | VQFN-20 (RGP) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Frequency Bands | 300-348 / 387-464 / 779-928 MHz | 300-348 / 387-464 / 779-928 MHz | 300-348 / 387-464 / 779-928 MHz | 300-348 / 387-464 / 779-928 MHz | 300-348 / 387-464 / 779-928 MHz |
| Target ISM/SRD Bands | 315 / 433 / 868 / 915 MHz | 315 / 433 / 868 / 915 MHz | 315 / 433 / 868 / 915 MHz | 315 / 433 / 868 / 915 MHz | 315 / 433 / 868 / 915 MHz |
| Device Role | Transceiver (TX + RX) | Transceiver (TX + RX) | Transceiver (TX + RX) | Transceiver (TX + RX) | Transceiver (TX + RX) |
| Operating Temperature | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C | -40C to +85C |
| Register/Firmware Compatibility | CC1101 register map | Identical CC1101 register map | Identical CC1101 register map | CC1100 register map - differs from CC1101 | CC1100 register map - differs from CC1101 |
| Material Generation | G4 (green RoHS generation) | Non-G4 generation | Base generation | Legacy CC1100 generation | Legacy CC1100 generation |
| Drop-in Interchangeability | Reference part | Full drop-in (same die, same package) | Full drop-in (same die, same package) | Footprint-compatible, firmware changes required | Footprint-compatible, firmware changes required |
Wichtigste Unterscheidungsmerkmale
- Full electrical interchangeability with CC1101RGPR (vs. CC1101RGPR)
- Broad multi-band coverage in one design (vs. CC2500RGPR)
- Bidirectional transceiver vs receiver-only alternatives (vs. CC113LRTKR)
Designhinweise
RF performance of the CC1101RGPRG4 is dominated by layout fidelity. Reproduce the TI reference design for the chosen band (315/433/868/915 MHz) as closely as possible: the differential RF_N/RF_P matching network uses component values that are band-specific, and even small deviations from the reference layout shift impedance and degrade sensitivity. The exposed pad under the VQFN-20 package must be soldered to a solid, unbroken ground plane - it is the main RF and thermal ground return. Place the crystal (XOSC_Q1/XOSC_Q2) close to pins 7-8 with short traces and ground guarding.
Do not assume firmware portability across the TI sub-1 GHz family. The CC1100 and CC1101 share the same VQFN-20 footprint but use different register maps, so dropping a CC1100 onto a CC1101 board requires firmware changes and will show reduced sensitivity. Also note that the G4 suffix on CC1101RGPRG4 is a material/generation designation, not an electrical variant - CC1101RGPR is electrically identical. Verify configuration register settings via TI SmartRF Studio rather than hand-calculating band parameters.
Decouple AVDD, DVDD, and DVDD_GUARD with ceramic capacitors placed immediately at pins 13, 4, and 14, and fit the datasheet-specified decoupling capacitor on DCPL (pin 5) for the internal regulator. Locate the CC1101 away from switching regulators and fast digital buses; broadband switching noise couples into the low-IF receiver front end and raises the noise floor. A clean, low-noise analog rail for the radio often justifies a small LDO instead of sharing the main digital supply.
Compliance-Informationen
G4 suffix denotes TI's green (RoHS) second-generation material version per TI ordering-code conventions. REACH and conflict-minerals status not stated in provided data.
