CC1020RSST - FSK/OOK UHF Transceiver 402-940MHz | TI
料号： CC1020RSST ✓ 量产中| 数量 | 单价 | 小计 |
|---|---|---|
| 1 | $6.9 | $6.90 |
| 10 | $6.25 | $62.50 |
| 100 | $5.55 | $555.00 |
| 500 | $5.1 | $2,550.00 |
| 1,000 | $4.65 | $4,650.00 |
CC1020RSST 概述
A narrowband RF transceiver is a radio IC that transmits and receives data on channels only a few tens of kilohertz wide, sitting within the broader hierarchy of wireless connectivity ICs: RF transceiver -> RF integrated circuit -> semiconductor. Narrowband operation gives superior range and channel density versus wideband systems, making it the technology of choice for licensed and ISM/SRD telemetry links.
Key features include fully integrated frequency synthesizer and transceiver chain for the ISM (Industrial, Scientific, and Medical) and SRD (Short Range Device) bands at 402, 424, 426, 429, 433, 447, 449, 469, 868, and 915 MHz, programmable multichannel operation at other frequencies within the supported bands, FSK and OOK modulation, and a CMOS process that keeps power consumption low for battery-operated nodes.
Technically, the CC1020 integrates a low-IF receiver architecture and a direct VCO-based transmitter with an on-chip PLL synthesizer. Configuration of frequency, modulation, data rate, and power output is performed through a serial configuration interface from an external microcontroller, giving designers fine-grained control over the RF link.
Typical applications include narrowband telemetry and metering links in the 433 MHz and 868/915 MHz ISM bands, 402-470 MHz utility and alarm systems, and short-range device communication in industrial and building-automation equipment.
When designing with the CC1020RSST, follow the reference layout of the CC1020EM evaluation module, place matching-network components close to the antenna pins, and budget crystal tolerance carefully because narrowband channels leave little margin for frequency error.
This page synthesizes distributor availability data, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
直接替换替代料： CC1020RSST ——相同封装，引脚兼容。需要 PCB 改动的不同封装料号已排除。
本系列中的变体
可与以下型号直接替换的同系列型号： CC1020RSST （相同外形与封装尺寸） ——差异在于 Modulation, Package, Product Type, Technology.
快速对比工具——选择替代料号进行并排对比：
CC1020RUZ
✅ 直接替换📋 参考替代料（不在目录中）
CC1021RSST
✅ 直接替换 ⚠️ 规格未核验✓ 有现货
$5.05 / 个
查看数据手册 →CC1021RUZ
✅ 直接替换 ⚠️ 规格未核验📋 参考替代料（不在目录中）
CC1020RSS
✅ 直接替换📋 参考替代料（不在目录中）
CC1020RSST 规格参数
| Product Type | Single-chip FSK/OOK CMOS UHF transceiver |
| Frequency Band 1 | 402 MHz to 470 MHz |
| Frequency Band 2 | 804 MHz to 960 MHz |
| Modulation | FSK, OOK |
| ISM/SRD Channels | 402, 424, 426, 429, 433, 447, 449, 469, 868, 915 MHz |
| Channel Operation | Programmable multichannel within supported bands |
| Technology | CMOS |
| Configuration Interface | Serial configuration interface (SPI-type bus) |
| 封装 | 32-VQFN with exposed pad (RSS) |
| 安装类型 | Surface Mount |
CC1020RSST 32-vqfn with exposed pad (rss) 引脚配置指南
CC1020RSST（32-vqfn with exposed pad (rss) 封装）的引脚配置。 引脚编号、功能和连接图在制造商数据手册中定义。请参阅该手册以了解确切的封装尺寸和焊接指南。
暂无详细引脚数据： CC1020RSST.
请参阅 数据手册 以查看完整引脚配置。
典型应用
CC1020RSST 适用于 6 应用s: Narrowband ISM/SRD Telemetry, Utility Metering (402-470 MHz), Alarm and Security Systems, 915 MHz Industrial Control Links, Building Automation Sensors, 469 MHz Regional Telemetry and Paging.
Narrowband ISM/SRD Telemetry
The CC1020RSST fits telemetry links in the 433, 868, and 915 MHz ISM/SRD bands where regulations restrict occupied bandwidth, making narrowband FSK the practical choice. According to the TI product description, the device natively covers 402, 424, 426, 429, 433, 447, 449, 469, 868, and 915 MHz channels. In a typical node, an external MCU loads frequency, deviation, and data-rate registers over the serial configuration interface, and the CC1020 handles the complete RF chain from bit stream to antenna. Narrowband channels deliver tens of dB of processing advantage over wideband links at equal power, extending battery life in metering and sensor-reporting duty cycles. The trade-off is tight crystal tolerance and slower data rates versus wideband parts, so designs must budget TCXO or calibration margins.
推荐
Utility Metering (402-470 MHz)
Water, gas, and electric metering networks frequently operate in the 402-470 MHz slice, and the CC1020RSST's first band spans exactly this range with programmable multichannel operation. The single-chip CMOS transceiver is designed for very low power and very low voltage operation, which directly translates into multi-year battery life for meter endpoints that transmit brief, infrequent readings. In a metering application the CC1020 is placed between the MCU and a simple discrete matching network to the antenna; FSK modulation provides robust reception in obstructed urban environments where 2.4 GHz links struggle. Because channel assignments vary by region and utility, the programmable synthesizer lets one hardware BOM serve multiple deployments by changing register settings in firmware rather than the RF design.
推荐
Alarm and Security Systems
Professional alarm panels and wireless detectors in the 433/868 MHz SRD bands benefit from the CC1020RSST's narrowband FSK link, which resists interference better than ASK-based commodity remotes. Per TI, the device is mainly intended for ISM and SRD bands including 433 and 868 MHz, with OOK modulation also supported for compatibility with legacy OOK sensor fleets on the same receiver infrastructure. A security detector can duty-cycle the transceiver's low-power states, waking only to transmit a brief event frame; the low-voltage CMOS design tolerates battery sag near end of life. Designers should implement repeated-frame transmission and acknowledgment protocols in MCU firmware, since the CC1020 provides the physical layer but no packet engine.
推荐
915 MHz Industrial Control Links
In North America, the 902-928 MHz industrial band suits the CC1020RSST's second operating range of 804 MHz to 960 MHz, per the DigiKey frequency listing of 804-960 MHz coverage. Industrial control and SCADA-style telemetry over short distances use programmable multichannel operation to hop or select clear channels, mitigating the crowded spectrum in factories. The CC1020's integrated synthesizer supports fast frequency reprogramming through the serial configuration interface, enabling frequency-agile schemes without external VCO or synthesizer components. Sub-GHz propagation penetrates metal-clad and concrete structures better than 2.4 GHz, reducing repeater counts in plant environments. The exposed-pad VQFN package provides a solid RF ground, but layouts should follow the CC1020EMX reference to control matching-network parasitics.
推荐
Building Automation Sensors
Battery-powered occupancy, temperature, and door-position sensors in building automation commonly use 868 MHz (EU) or 915 MHz (US) SRD links, both natively covered by the CC1020RSST. TI describes the part as a true single-chip UHF transceiver for very low-power, very low-voltage wireless applications - the two attributes that dominate sensor-node design, where a coin cell must last years. The MCU-driven architecture lets firmware power down the transceiver completely between reporting intervals, drawing only sensor and MCU sleep current. FSK sensitivity supports signal margins through walls and risers, and programmable channels let one design ship into both EU and US markets after regulatory firmware changes. Antenna matching follows the discrete network from the CC1020EM reference design.
推荐
469 MHz Regional Telemetry and Paging
Several regions allocate 447, 449, and 469 MHz channels to private telemetry and on-site paging, and the CC1020RSST's 402-470 MHz band covers these exactly. Narrowband FSK at these frequencies achieves long range from modest transmit power, which matters for unlicensed on-site systems bound by ERP limits - every dB of receiver sensitivity bought by narrowband filtering extends coverage radius. The CC1020's receiver front end and digital demodulator are configured by register writes, allowing the same PCB to serve base-station receiver and remote transmitter roles in a paging network. Designers must pay attention to frequency accuracy: at narrow channel bandwidths, a low-cost crystal plus periodic calibration, or a TCXO, is needed to keep transmit carriers inside regulatory masks.
推荐
推荐产品汇总
工程参考数据： CC1020RSST ——对比、设计指导和合规信息。
选型指南
与替代料对比
| 参数 | 本产品 | CC1020RUZ | CC1021RSST | CC1021RUZ |
|---|---|---|---|---|
| Package | 32-VQFN exposed pad (RSS) | 32-VQFN exposed pad (RUZ) - same footprint | 32-VQFN exposed pad (RSS) - same | 32-VQFN exposed pad (RUZ) - same |
| Brand | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Frequency Range | 402-470 MHz, 804-960 MHz | 402-470 MHz, 804-960 MHz | 402-470 MHz, 804-940 MHz | 402-470 MHz, 804-940 MHz |
| Modulation | FSK, OOK | FSK, OOK | FSK, OOK | FSK, OOK |
| Architecture | Transceiver + external MCU | Transceiver + external MCU | Transceiver + external MCU | Transceiver + external MCU |
| Lifecycle Status | Active (legacy family) | Active (legacy family) | Active (legacy family) | Active (legacy family) |
关键差异点
- True single-chip narrowband solution （对比 CC1021RSST)
- Programmable multichannel coverage of ten ISM/SRD allocations （对比 CC1020RUZ)
- Trade-off: no integrated packet engine or MCU （对比 CC1021RSST)
设计说明
Follow the CC1020EMX reference design layout, which TI publishes with schematics and PCB files specifically for the CC1020. Place the discrete matching network and crystal as close to the CC1020RSST pins as possible, keep the VQFN exposed pad soldered to a solid ground plane with multiple thermal vias, and route the serial configuration interface away from the RF front end. At narrowband channel bandwidths even a few picofarads of layout parasitic can detune the matching network and cost several dB of sensitivity.
Frequency accuracy is the dominant engineering risk in narrowband links. Because channel bandwidths are only a few tens of kHz, crystal tolerance and drift directly shift both the transmit carrier and the receiver's center frequency, degrading margin. Budget a TCXO or implement periodic frequency calibration in MCU firmware, especially across the full -40C to +85C industrial temperature span. Estimated: a +/-20 ppm crystal error at 868 MHz equals roughly +/-17 kHz of carrier error - enough to close a 25 kHz channel entirely.
The CC1020 requires a very low-voltage, low-noise supply per its datasheet positioning for very low-power and very low-voltage applications. Power the RF section from a dedicated low-noise LDO or filtered rail, not directly from a switching converter output, and decouple each supply pin with 100 nF ceramics placed within 2 mm. If a buck converter feeds the system, add an LC filter (ferrite bead plus bulk capacitance) before the CC1020 supply pins to keep switching ripple out of the PLL, where it appears as spurs degrading adjacent-channel performance.
合规信息
Compliance status not stated in the retrieved web data; verify the RoHS/REACH declaration for the exact orderable suffix on ti.com/product/CC1020 before design-in.
