製品概要
概要
The ST7570 is a powerful power line networking system-on-chip. It combines a high-performance PHY processor core and a protocol controller core with a fully integrated analog front end (AFE) and line driver.
The ST7570 features allow the most cost-effective, single-chip power line communication solution based on IEC61334-5-1 S-FSK standard.
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特徴
- 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
- Suitable for EN50065 and FCC part 15 compliant applications
- VFQFPN48 package with exposed pad
- -40 °C to +85 °C temperature range
回路ダイアグラム
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STMicroelectronics - ST7570
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