Datasheet > 935308612551

935308612551

更新时间： 2024-09-18 07:29:03

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
13页	966K
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RF and Baseband Circuit

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935308612551 数据手册

TEF810X

76 GHz to 81 GHz car RADAR transceiver

Rev. 1.0 — 10 May 2019

Product short data sheet

COMPANY PUBLIC

1 General description

The TEF810X Car RADAR transceiver is a single-chip automotive FMCW RADAR

transceiver for short-, medium- and long-range RADAR applications, covering the full car

RADAR frequency band from 76 GHz to 81 GHz.

The packaged IC offers a low-cost fully integrated solution for all critical mm-wave

functions, in combination with ADCs at each receiver path. The mm-wave front end part

consists of a waveform generator offering flexible chirp control, three transmit chains

featuring binary phase control and output level stabilization, and four receive chains with

high input compression and low noise figure.

Each receive chain contains high-pass filters for suppression of strong low frequency

signals, as well as low-pass filter functionality for suppression of signals in the ADC

aliasing band. Each receive chain includes a 12-bit SAR ADC sampling at an effective

rate of 40 MS/s (M samples per second). The ADC is followed by a programmable

decimation filter with decimation factors of 1, 2, 4, 8 and 16.

The digitized signals from the four receiver chains are serialized. There are two digital

output variants available:

• TEF8101 output is through four high-speed LVDS data lines, plus a bit and frame clock

signals for data synchronization

• TEF8102 includes a CSI-2-DPHY interface with four data lanes and a clock lane

The chip uses a full-duplex SPI interface with 40 Mbps maximal transfer rate for bi-

directional exchange of control and monitoring data between the RADAR IC and a host

microcontroller.

The TEF810X contains a functional safety monitoring circuit, keeping track of key

operational parameters such as chip temperature, status of RF connections to the PCB

board, locking status of the PLLs during a frequency chirp, etc. The monitoring circuitry

transfers some of the monitoring functions normally performed by the microcontroller

into the TEF810X, creating a virtual layered functional safety concept, with the TEF810X

functional monitoring circuitry as the inner layer.

The RADAR transceiver is packaged in a 7.5 mm x 7.5 mm eWLB package. The

package has a 15 x 15 sized Ball Grid Array (BGA) with 0.5 mm pitch for easy interfacing

to a wide range of antenna board technologies.

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