STRADA770M

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76-81 GHz Tranceiver with MIPI Digital Interface

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  • STRADA770M is a dual-band 77 GHz radar transceiver with integrated FMCW chirp modulator and profiles-based chirps sequencer, targeting automotive radar applications, in both the 76-77 GHz and 77-81 GHz regulated frequency bands.

    It is designed to be integrated in a full-blown radar sensor along with a controller/processor in charge of:
    configuring it through the slave interface;receiving/processing the raw radar data (sampled IF from each RX channel) that it produces through the master interface.
    The device is capable of synthesizing the low-phase-noise clock needed for optimal performance, with the help of an external 40 MHz or 50 MHz crystal, but supports an external oscillator as well.
    Power can be provided to the device at a single supply voltage (3.3 V) or at two different ones (3.3 V and 2.6 V); in both cases additional voltages (1.2 V and, possibly, 2.6 V) are produced internally by means of integrated LDOs relying on up to 6 external passive stabilization networks.
    A further external passive network is needed for implementing the loop filter for the internal modulator.
    The device consists of the following main components:
    a digital slave interface configurable at power-up time for SPI or I2C operation;a chirps sequencer capable of autonomously interleaving, over time, different chirp modulation/transmission/reception schemes as one-time-programmed by the external controller;a LO (Local Oscillator) linear frequency modulator (FMCW ramp generator);a set of 3 TX (transmit) channels, supporting per-chirp and per-channel power and binary phase control;a set of 4 RX (receive) channels, supporting per-chirp and per-channel gain and HP/LP filtering control and integrating high-speed/high-resolution ADCs and digital filtering/decimation;a digital master interface compliant to MIPI's D-PHY/CSI-2 v1.1 specifications, composed of 4 data lanes each one running at 480 Mbps or 600 Mbps (depending on main clock frequency) maximum data rate.
    Those main components are complemented with:
    single ended RF ports, for easier PCB and antennas implementation;provisions for coherent cascading of multiple instances of the device, for building systems with a greater number of TX/RX channels;detectors, monitors and diagnostic features enabling system-level implementation of ASIL-B functions;OTP memory for storing test-line calibration and tracking data.
    The LO modulator support ramp slopes up to 50 MHz/μs.
    TX channels are equipped with per-chirp- and per-channel-controllable binary phase shifters enabling MIMO radar systems and grant a maximum programmable output power of 10 dBm per channel, in worst case conditions (in the 76-77 GHz frequency range).

    主要特性

    • AEC-Q100 Grade 2 automotive qualification ongoing
    • Fan-Out Wafer Level BGA, 9x9 mm2, 0.5 mm pitch
    • Bicmos9MW, SiGe:C
    • 2.6 V and 3.3 V voltage supplies
    • Integrated LDOs supporting single 3.3 V supply voltage
    • ESD protected
    • Integrated low-phase-noise oscillator, supporting 40 and 50 MHz crystals
    • Fully-programmable chirps sequencer with multi-profiles support
    • Fully-programmable FMCW chirp modulator
    • Three-channels transmitter(50 Ω single ended outputs)
    • Four-channels receiver(50 Ω single ended inputs)
    • Digital per-TX-channel power control
    • Binary per-TX-channel phase control
    • Digital per-RX-channel conversion gain control
    • Per-RX-channel programmable HP and LP filters
    • 40/50 MHz 12-bits ADCs
    • Programmable decimation
    • Configurable SPI/I2C slave interface
    • MIPI D-PHY/CSI-2 (v1.1) digital output master interface (4 data lanes, up to 480/600 Mbps each, 1.92/2.4 Gbps aggregated)
    • Support for cascaded (master/slave) configurations
    • Integrated monitors, detectors, diagnostics for ISO26262 ASIL-B support

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技术文档

    • 描述 版本 文档大小 操作
      DB2857
      Automotive dual-band 77 GHz radar transceiver (3 TX / 4 RX) with integrated FMCW chirp modulator and chirps sequencer
      6.0
      252.6 KB
      PDF
      DB2857

      Automotive dual-band 77 GHz radar transceiver (3 TX / 4 RX) with integrated FMCW chirp modulator and chirps sequencer

出版刊物和宣传资料

    • 描述 版本 文档大小 操作
      STRADA770M: 76-81 GHz transceiver for automotive radar applications 1.0
      1.55 MB
      PDF

      STRADA770M: 76-81 GHz transceiver for automotive radar applications

产品型号 供货状态 封装 符合RoHS级别 等级规格 Material Declaration**
STRADA770M
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FO-WLP9X9X0.8 228 DEPOPULATED P0 Ecopack2 汽车

STRADA770M

Package:

FO-WLP9X9X0.8 228 DEPOPULATED P0

Material Declaration**:

Marketing Status

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Package

FO-WLP9X9X0.8 228 DEPOPULATED P0

RoHS Compliance Grade

Ecopack2

Grade

Automotive

(**) The Material Declaration forms available on st.com may be generic documents based on the most commonly used package within a package family. For this reason, they may not be 100% accurate for a specific device. Please contact our sales support for information on specific devices.

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