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The S2-LPTX is a high performance ultra-low power RF transmitter, intended for RF wireless applications in the sub-1 GHz band. It is designed to operate in both the license-free ISM and SRD frequency bands at 433, 868 and 920 MHz, but can also be programmed to operate at other additional frequencies in the 413-479 MHz, 826-958 MH.
The S2-LPTX supports different modulation schemes: 2(G)FSK, 4(G)FSK, OOK and ASK. The air data rate is programmable from 0.1 to 500 kbps.
The S2-LPTX meets the regulatory requirements applicable in territories worldwide, including Europe, Japan, China and the USA.Key Features
- Frequency bands:
- 413-479 MHz
- 826-958 MHz
- Modulation schemes:
- 2(G)FSK, 4(G)FSK
- OOK, ASK
- Air data rate from 0.1 to 500 kbps
- Ultra-low power consumption:
- 10 mA TX @ +10 dBm
- Programmable RF output power up to +16 dBm
- Programmable channel spacing
- Fast start-up and frequency synthesizer settling time
- Battery indicator and low battery detector
- TX 128 bytes FIFO buffers
- 4-wire SPI interface
- ST companion integrated filter chips are available
- Fully integrated ultra-low power RC oscillator
- Wake-up driven by internal timer or external event
- Flexible packet length with dynamic payload length
- IEEE 802.15.4g hardware packet support with whitening, FEC, CRC
- Wireless M-BUS supported
- Enables operations in the SIGFOX™ network
- Suitable to build systems targeting:
- Europe: ETSI EN 300 220, ETSI EN 303 131
- US: FCC part 15 and part 90
- Japan: ARIB STD T67, T108
- China: SRRC
- Operating temperature range: -40 °C to +105 °C
- Frequency bands:
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Product Specifications (1)
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| 22 Oct 2019 |
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User Manuals (1)
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| 15 Sep 2020 |
15 Sep 2020
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Design Notes & Tips (1)
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| 12 Dec 2018 |
12 Dec 2018
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Flyers (1)
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Brochures (1)
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| 03 Dec 2019 |
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EDA Symbols, Footprints and 3D Models
STMicroelectronics - S2-LPTX
Speed up your design by downloading all the EDA symbols, footprints and 3D models for your application. You have access to a large number of CAD formats to fit with your design toolchain.
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Quality and Reliability
| Part Number | Marketing Status | Package | Grade | RoHS Compliance Grade | Material Declaration** |
|---|---|---|---|---|---|
| S2-LPTXQTR |
Active
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QFN-24L | Industrial | Ecopack3 |
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S2-LPTXQTR
Package:
QFN-24LMaterial Declaration**:
(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.
Sample & Buy
| Part Number | Order from Distributors | Order from ST | Marketing Status | ECCN (US) | ECCN (EU) | Packing Type | Package | Temperature (°C) | Country of Origin | Budgetary Price (US$)*/Qty | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| min | max | |||||||||||
| S2-LPTXQTR | 4 distributors | Free Sample Buy Direct |
Active
|
EAR99 | NEC | Tape And Reel | QFN-24L | -40 | 105 | PHILIPPINES | 1.15 / 1k | |
(*) Suggested Resale Price per unit (USD) for BUDGETARY USE ONLY. For quotes, prices in local currency, please contact your local ST Sales Office or our Distributors
