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AFE032 Datasheet

Part NameDescriptionManufacturer
AFE032 Power-Line Communications Analog Front-End TI
Texas Instruments TI
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DESCRIPTION
The AFE032 is a low-cost, integrated, power-line communications (PLC), analog front-end (AFE) device capable of transformer-coupled connections to the power-line while under the control of a digital signal processor (DSP) or microcontroller. This device is ideal for driving high-current, low-impedance lines up to 1.9 A into reactive loads.
The integrated receiver is able to detect signals down to 10 μVRMS (G3-FCC mode) and is capable of a wide range of gain options to adapt to varying input-signal conditions. The monolithic integrated circuit provides high reliability in demanding power-line communication applications.
The AFE032 transmit power amplifier operates from a single supply in the range of 7 V to 24 V. At typical load current (IOUT = 1.5 APEAK), a wide output swing provides a 12-VPP capability with a nominal 15-V supply.
The device is internally protected against overtemperature and short-circuit conditions. The device also provides a selectable current limit. An interrupt output is provided, indicating current limit, thermal limit, and undervoltage. A shutdown pin is also available, and can be used to quickly place the device into the lowest-power state. Each functional block can be enabled or disabled to optimize power dissipation through the serial peripheral interface (SPI),
The AFE032 is housed in a thermally-enhanced, surface-mount, PowerPAD, QFN-48 package. Operation is specified over the extended industrial junction temperature range of –40°C to +125°C.

FEATURES
• Supports:
   – CENELEC Bands A, B, C, D
   – ARIB STD-T84, FCC
   – FSK, SFSK, and NB-OFDM
• Conforms To:
   – EN50065-1, -2, -3, -7
   – FCC, Part 15
   – ARIB STD-T84
• Standards:
   – G3, PRIME, P1901.2, ITU-G.hnem
• Programmable Tx Low-Pass Filters and
   Rx Band-Pass Filters
• Integrated Power-Line Driver with Thermal and
   Overcurrent Protection
• Low-Power Consumption:
   – 50 mW (Receiver Mode)
• Receive Sensitivity: 10 μVRMS (Typ)
• Four-Wire SPI™ Interface
• Three Integrated Zero-Crossing Detectors
• Package: QFN-48 PowerPAD™
• Extended Temperature Range:
   –40°C to +125°C

APPLICATIONS
• eMetering
• Home Area Networks
• Lighting
• Solar
• Pilot Wires and EVSEs

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