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AX-SFUS Datasheet, PDF (1/20 Pages) ON Semiconductor – Ultra-Low Power | |||
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AX-SFUS, AX-SFUS-API
Ultra-Low Power,
AT Command / API Controlled,
Sigfox) Compliant
Transceiver IC for Up-Link
and Down-Link
www.onsemi.com
OVERVIEW
Circuit Description
AXâSFUS and AXâSFUSâAPI are ultraâlow power
single chip solutions for a node on the Sigfox network with
both upâ and downâlink functionality. The AXâSFUS chip
is delivered fully ready for operation and contains all the
necessary firmware to transmit and receive data from the
Sigfox network in the US (SIGFOX RCZ2 region). It
connects to the customer product using a logic level RS232
UART. AT commands are used to send frames and configure
radio parameters.
The AXâSFUSâAPI variant is intended for customers
wishing to write their own application software based on the
AXâSFâLIBâ1âGEVK library.
Features
Functionality and Ecosystem
⢠Sigfox upâlink and downâlink functionality controlled
by AT commands or API
⢠The AXâSFUS and AXâSFâAPI ICs are part of a
whole development and product ecosystem available
from ON Semiconductor for any Sigfox requirement.
Other parts of the ecosystem include
⦠Ready to go development kit
DVKâSFEUâ[API]â1âGEVK including a 2 year
Sigfox subscription
⦠Sigfox Ready® certified reference design for the
AXâSFUS and AXâSFUSâAPI ICs
General Features
⢠QFN40 5 mm x 7 mm package
⢠Supply range 2.7 V* â 3.6 V
⢠â40°C to 85°C
⢠Temperature sensor
⢠Supply voltage measurements
*Includes the RF frontend module, circuit as in Figure 5. The
AXâSFUS chip alone is operational from 1.8 V to 3.6 V, a supply
voltage below 2.0 V is considered an extreme condition.
**Includes the RF frontend module, circuit as in Figure 5.
⢠8 GPIO pins
⦠2 GPIO pins with selectable voltage measure
functionality, differential (1 V or 10 V range) or
single ended (1 V range) with 10 bit resolution
⦠2 GPIO pins with selectable sigma delta DAC
output functionality
⦠2 GPIO pins with selectable output clock
⦠3 GPIO pins selectable as SPI master interface
⦠RX/TX switching Control
Power Consumption**
⢠Ultraâlow Power Consumption:
⦠Charge required to send a Sigfox OOB packet at
24 dBm output power: 0.28 C
⦠Deepsleep mode current: 100 nA
⦠Sleep mode current: 1.3 mA
⦠Standby mode current: 0.5 mA
⦠Continuous radio RXâmode at 905.2 MHz :
34 mA
⦠Continuous radio TXâmode at 902.2 MHz
230 mA @ 24 dBm
High Performance Narrowâband Sigfox RF Transceiver
⢠Receiver
⦠Carrier frequency 905.2 MHz
⦠Dataârate 600 bps FSK
⦠Sensitivity
â128 dBm @ 600 bps, 905.2 MHz, GFSK
⦠0 dBm maximum input power
⢠Transmitter
⦠Carrier frequency 902.2 MHz
⦠Dataârate 600 bps PSK
⦠High efficiency, high linearity integrated power
amplifier
⦠Maximum output power 24 dBm
Applications
Sigfox networks upâlink and downâlink.
© Semiconductor Components Industries, LLC, 2017
1
July, 2017 â Rev. 3
Publication Order Number:
AXâSFUS/D
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