ST7570

ST7570 S-FSK power line networking system-on-chip Features ■ Fully integrated narrow-band power line networking system-on-chip ■ High performing PHY processor with embedded turn-key firmware for spread frequency shift keying (S-FSK) modulation: – Programmable bit rate up to 2.4 Kbps (@ 50 Hz) – 1 Hz step programmable carriers up to 148.5 kHz – Signal to noise ratio estimation – Received signal strength indication ■ Protocol engine embedding: – IEC61334-5-1 PHY and MAC layers – Alarm management – Repeater Call procedure – Intelligent search initiator process ■ On chip peripherals: – Host controller UART interface ■ Fully integrated analog front end: – ADC and DAC – PGA with automatic gain control for high receiving sensitivity – High linearity modulated signal generation ■ Fully integrated single-ended power amplifier for line driving – Up to 1 A rms, 14 V p-p output – Configurable Active filtering topology – Very high linearity – Embedded temperature sensor – Current control feature ■ 8 to 18 V power amplifier supply ■ 3.3 V or 5 V digital I/O supply ■ Integrated 5 V and 1.8 V linear regulators for AFE and digital core supply ■ Mains zero crossing synchronization Datasheet — production data 6&1&0.XX, PITCH ■ Suitable for EN50065 and FCC part 15 compliant applications ■ VFQFPN48 package with exposed pad ■ -40 °C to +85 °C temperature range Applications ■ Smart metering applications ■ Street lighting control ■ Command and control networking Description The ...