SX1257 Datasheet PDF - Semtech Low Power Digital I and Q RF Multi-PHY Mode Transceiver Specs

SX1257 - Low Power Digital I and Q RF Multi-PHY Mode Transceiver

Datasheet Summary

Description

The SX1257 is a highly integrated RF front-end to digital I and Q modulator/demodulator Multi-PHY mode transceiver capable of supporting multiple constant and non-constant envelope modulation schemes.

Features

Fully flexible I and Q modulator and demodulator.
Half or full-duplex operation.
Bullet proof RX LNA.
Analog TX and RX pre-filtering.
Programmable tap TX FIR-DAC filter.
Linear TX amplifier for both constant and non-constant envelope modulation schemes SX1257 Data Sheet DS. SX1257.W. APP Rev. 1.2 March 2018 www. semtech. com 1 of 42 Semtech Ordering Information Part Number SX1257IWLTRT Delivery MLPQW-32 Minimum Order Quantity 3’000 pieces.

Datasheet Details

Part number	SX1257
Manufacturer	Semtech
File Size	1.03 MB
Description	Low Power Digital I and Q RF Multi-PHY Mode Transceiver
Datasheet	SX1257 Datasheet
Additional preview pages of the SX1257 datasheet.

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Full PDF Text Transcription

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SX1257 Low Power Digital I and Q RF Multi-PHY Mode Transceiver RF_IN VBAT VR_ANA1 VR_ANA2 Power Distribution System 0 to -48 dB with 6 dB steps VR_DIG 0 to -30 dB with 2 dB steps RX pre-filter CT  RX pre-filter CT  RESET 1b I_OUT 1b Q_OUT Single to Diff Control Registers and Interface RF_OP RF_ON ATT Driver Div by 2 Div by 2 Fractional-N Frequency Synthesizer Fractional-N Frequency Synthesizer TX Filter DAC TX Filter DAC MISO MOSI SCK NSS CLKIN CLKOUT 1b I_IN 1b Q_IN XO 36 MHz Figure A: SX1257 Block Diagram XTA XTB General Description The SX1257 is a highly integrated RF front-end to digital I and Q modulator/demodulator Multi-PHY mode transceiver capable of supporting multiple constant and non-constant envelope modulation schemes.

Published: Jan 28, 2019 |