STS1TX

批量生产
Design Win

低数据率、低功耗 sub-1GHz发送器

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产品概述

描述

The STS1TX is a very low-power RF transmitter intended for RF wireless applications in the sub-1 GHz band. It is designed to operate both in the license-free ISM and SRD frequency bands at 169, 315, 433, 868, and 915 MHz, but can also be programmed to operate at other frequencies in the 300-348, 387-470, and 779-956 MHz bands. The air data rate is programmable from 1 to 500 kbps, and the STS1TX can be used in systems with channel spacing of 12.5/25 kHz, complying with the EN 300 220 standard. It uses very few discrete external components and integrates a configurable baseband modem, which supports data management and modulation. The data management handles the data in the proprietary fully-programmable packet format, and also allows the M-Bus standard compliance format (all performance classes).

An AES 128-bit encryption co-processor is available for secure data transfer. The STS1TX supports different modulation schemes: 2-FSK, GFSK, OOK, ASK, and MSK. Transmitted data bytes are buffered in FIFO (TX FIFO), accessible via the SPI interface for host processing.

  • 所有功能

    • Frequency bands: 150-174 MHz, 300-348 MHz, 387-470 MHz, 779-956 MHz
    • Modulation schemes: 2-FSK, GFSK, MSK, GMSK, OOK, and ASK
    • Air data rate from 1 to 500 kbps
    • Very low power consumption (21 mA TX at +11 dBm)
    • Programmable channel spacing (12.5 kHz min.)
    • Programmable output power up to +16 dBm
    • Fast startup and frequency synthesizer settling time (6 μs)
    • Integrated temperature sensor
    • Battery indicator and low battery detector
    • TX FIFO buffer (96 bytes each)
    • Configurability via SPI interface
    • AES 128-bit encryption co-processor
    • Fully integrated ultra low power RC oscillator
    • Wakeup on internal timer and on external event
    • Flexible packet length with dynamic payload length
    • Automatic CRC handling
    • FEC with interleaving
    • Whitening of data
    • Wireless M-BUS, EN 300 220, FCC CFR47 15 (15.205, 15.209, 15.231, 15.247, 15.249), and ARIB STD T-67, T93, T-108 compliant
    • QFN20 4x4 mm RoHS package
    • Operating temperature range from -40 °C to 85 °C

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STMicroelectronics - STS1TX

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质量与可靠性

产品型号 Marketing Status 等级规格 符合RoHS级别 材料声明**
STS1TXQTR
批量生产
VFQFPN 20 4x4x1.0 工业 Ecopack3

STS1TXQTR

Package:

VFQFPN 20 4x4x1.0

Material Declaration**:

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Marketing Status

批量生产

Package

VFQFPN 20 4x4x1.0

Grade

Industrial

RoHS Compliance Grade

Ecopack3

(**) st.com上提供的材料声明表单可能是基于包装系列中最常用的封装的通用文档。因此,它们可能不是100%适用于特定的设备。有关特定设备的信息,请联系 销售支持

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STS1TXQTR
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(*) 建议转售单价(美元)仅用于预算用途。如需以当地货币计价的报价,请联系您当地的 ST销售办事处 或我们的 经销商