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IWR2243
  • IWR2243
  • IWR2243

IWR2243

ACTIVE

76-GHz to 81-GHz industrial high-performance MMIC

Texas Instruments IWR2243 Product Info

1 April 2026 0

Parameters

Type

IC

Frequency range

76 - 81 GHz

Number of receivers

4

Number of transmitters

3

ADC sampling rate (ksps)

45000

TX power (dBm)

13

Edge AI enabled

No

Interface type

CSI-2, I2C, SPI

Operating temperature range (°C)

-40 to 105

TI functional safety category

Functional Safety-Compliant

Power supply solution

LP87745-Q1

Rating

Catalog

Package

FCCSP (ABL)-161-108.16 mm² 10.4 x 10.4

Features

  • FMCW transceiver
    • Integrated PLL, transmitter, receiver, baseband, and ADC
    • 76- to 81-GHz coverage with 5 GHz available bandwidth
    • Four receive channels
    • Three transmit channels
    • Ultra-accurate chirp engine based on Fractional-N PLL
    • TX power: 13 dBm
    • RX noise figure: 13 dB
    • Phase noise at 1 MHz:
      • –96 dBc/Hz (76 to 77 GHz)
      • –94 dBc/Hz (77 to 81 GHz)
  • Built-in calibration and self-test
    • Built-in firmware (ROM)
    • Self-calibrating system across frequency and temperature
  • Host interface
    • Control interface with external processor over SPI or I2C interface
    • Data interface with external processor over MIPI D-PHY and CSI2 v1.1
    • Interrupts for Fault Reporting
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid IEC 61508 functional safety system design up to SIL 3
    • Hardware integrity up to SIL-2
    • Safety-related certification
      • IEC 61508 certified upto SIL 2 by TUV SUD
  • IWR2243 advanced features
    • Embedded self-monitoring with limited Host processor involvement
    • Complex baseband architecture
    • Option of cascading multiple devices to increase channel count
    • Embedded interference detection capability
  • Power management
    • Built-in LDO Network for enhanced PSRR
    • I/Os support dual voltage 3.3 V/1.8 V
  • Clock source
    • Supports externally driven clock (square/sine) at 40 MHz
    • Supports 40 MHz crystal connection with load capacitors
  • Easy hardware design
    • 0.65-mm pitch, 161-pin 10.4 mm × 10.4 mm flip chip BGA package for easy assembly and low-cost PCB design
    • Small solution size
  • Junction temperature range of –40°C to 105°C
  • FMCW transceiver
    • Integrated PLL, transmitter, receiver, baseband, and ADC
    • 76- to 81-GHz coverage with 5 GHz available bandwidth
    • Four receive channels
    • Three transmit channels
    • Ultra-accurate chirp engine based on Fractional-N PLL
    • TX power: 13 dBm
    • RX noise figure: 13 dB
    • Phase noise at 1 MHz:
      • –96 dBc/Hz (76 to 77 GHz)
      • –94 dBc/Hz (77 to 81 GHz)
  • Built-in calibration and self-test
    • Built-in firmware (ROM)
    • Self-calibrating system across frequency and temperature
  • Host interface
    • Control interface with external processor over SPI or I2C interface
    • Data interface with external processor over MIPI D-PHY and CSI2 v1.1
    • Interrupts for Fault Reporting
  • Functional Safety-Compliant
    • Developed for functional safety applications
    • Documentation available to aid IEC 61508 functional safety system design up to SIL 3
    • Hardware integrity up to SIL-2
    • Safety-related certification
      • IEC 61508 certified upto SIL 2 by TUV SUD
  • IWR2243 advanced features
    • Embedded self-monitoring with limited Host processor involvement
    • Complex baseband architecture
    • Option of cascading multiple devices to increase channel count
    • Embedded interference detection capability
  • Power management
    • Built-in LDO Network for enhanced PSRR
    • I/Os support dual voltage 3.3 V/1.8 V
  • Clock source
    • Supports externally driven clock (square/sine) at 40 MHz
    • Supports 40 MHz crystal connection with load capacitors
  • Easy hardware design
    • 0.65-mm pitch, 161-pin 10.4 mm × 10.4 mm flip chip BGA package for easy assembly and low-cost PCB design
    • Small solution size
  • Junction temperature range of –40°C to 105°C

Description

The IWR2243 is an integrated single-chip FMCW transceiver capable of operation in the 76- to 81-GHz band. This device enables unprecedented levels of integration in an extremely small form factor. IWR2243 is an ideal solution for low power, self-monitored, ultra-accurate radar systems in the industrial space.

IWR2243 is a self-contained FMCW transceiver single-chip solution that simplifies the implementation of Radar sensors. It is built on TI’s low-power 45-nm RFCMOS process, which enables a monolithic implementation of a 3TX, 4RX system with built-in PLL and ADC converters. Simple programming model changes can enable a wide variety of sensor implementation with the possibility of dynamic reconfiguration for implementing a multimode sensor. The IWR2243 device supports connection of multiple devices in cascade fashion. This enhances the angular resolution to meet high performance radar sensor development.

Additionally, the device is provided as a complete platform solution including reference hardware design, software drivers, sample configurations, API guide, and user documentation.

The IWR2243 is an integrated single-chip FMCW transceiver capable of operation in the 76- to 81-GHz band. This device enables unprecedented levels of integration in an extremely small form factor. IWR2243 is an ideal solution for low power, self-monitored, ultra-accurate radar systems in the industrial space.

IWR2243 is a self-contained FMCW transceiver single-chip solution that simplifies the implementation of Radar sensors. It is built on TI’s low-power 45-nm RFCMOS process, which enables a monolithic implementation of a 3TX, 4RX system with built-in PLL and ADC converters. Simple programming model changes can enable a wide variety of sensor implementation with the possibility of dynamic reconfiguration for implementing a multimode sensor. The IWR2243 device supports connection of multiple devices in cascade fashion. This enhances the angular resolution to meet high performance radar sensor development.

Additionally, the device is provided as a complete platform solution including reference hardware design, software drivers, sample configurations, API guide, and user documentation.

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