Description

ST7590 is the first complete Narrowband OFDM power line communication system-on-chip made using a multi-power technology with state of the art VLSI CMOS lithography. The ST7590 is based on dual core architecture to assure outstanding communication performance with a very high level of flexibility and programmability for either open standard or fully customized implementations.

Features

■ Fully integrated narrow-band power line networking system-on-chip

■ High performing DSP engine with embedded turn-key firmware for Orthogonal frequency division multiplexing (OFDM) modulation, featuring:

– 96 sub-carriers in CENELEC A band

– BDPSK, QDPSK, 8DPSK programmable modulations

– Programmable bit rate up to 128 kbps

– Convolutional coding and Viterbi decoding

– Signal to noise ratio and channel quality estimation

– Full PRIME compliant PHY

■ On chip peripherals:

– Host controller UART/SPI interface

– I2C/SPI external data memory interface

– High speed SRAM controller for optional external SRAM program code execution

– Watchdog timer

■ On chip 128 bit AES encryption HW block

■ Fully integrated analog front end:

– ADC and DAC

– High sensitivity receiver

– High linearity transmitter with intelligent gain control

■ Fully integrated power line driver

– Up to 1 Arms, 14 Vpp single ended

– Configurable active filtering topology

– Ultra low distortion

– Embedded temperature sensor

– Current control

■ 3.3 V or 5 V I/O digital I/O supply

■ Integrated 5 V and 1.8 V linear regulators for AFE and digital core supply

■ 8 V to 18 V line driver power supply

■ Suitable for applications compliant with EN50065 and FCC part 15 specifications

■ -40 °C to +85 °C temperature range

■ QFN48 7x7 (ST7590) and TQFP 100 14x14 (ST7590T) exposed pad package options

Application

PRIME compliant smart metering and smart grid applications.