●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.
