Overview
The Texas Instruments IWR1642AQAGABL is an integrated single-chip mmWave sensor based on Frequency Modulated Continuous Wave (FMCW) radar technology. It operates in the 76- to 81-GHz band with up to 4 GHz continuous chirp, making it an ideal solution for low-power, self-monitored, ultra-accurate radar systems. This device is built using TI’s low-power 45-nm RFCMOS process, enabling unprecedented levels of integration in a small form factor. The IWR1642 is designed for various industrial applications, including building automation, factory automation, drones, material handling, traffic monitoring, and surveillance.
Key Specifications
| Parameter | Specification |
|---|---|
| Frequency Range | 76 GHz to 81 GHz |
| Continuous Bandwidth | Up to 4 GHz |
| Number of Receive Channels | Four |
| Number of Transmit Channels | Two |
| TX Power | 12.5 dBm |
| RX Noise Figure | -14 dB (76 to 77 GHz), -15 dB (77 to 81 GHz) |
| Phase Noise at 1 MHz | -95 dBc/Hz (76 to 77 GHz), -93 dBc/Hz (77 to 81 GHz) |
| Processor | ARM Cortex-R4F-Based Radio Control System |
| DSP | Ti C674x for FMCW Signal Processing |
| On-Chip Memory | 1.5 MB |
| Package | 161-Pin 10.4 mm × 10.4 mm Flip Chip BGA |
| Junction Temperature Range | -40°C to 105°C |
Key Features
- FMCW Transceiver with integrated PLL, Transmitter, Receiver, Baseband, and A2D converters
- Ultra-accurate chirp (timing) engine based on fractional-N PLL
- Built-in calibration and self-test (monitoring)
- ARM Cortex-R4F-based processor subsystem for front-end configuration, control, and calibration
- C674x DSP for FMCW signal processing
- Supports autonomous mode (loading user application from QSPI flash memory)
- Internal memories with ECC
- Integrated peripherals: up to 6 ADC channels, up to 2 SPI channels, up to 2 UARTs, CAN interface, I2C, GPIOs
- 2-Lane LVDS interface for raw ADC data and debug instrumentation
- Embedded self-monitoring with no host processor involvement
- Complex baseband architecture and embedded interference detection capability
- Power management with built-in LDO network for enhanced PSRR
- I/Os support dual voltage 3.3 V/1.8 V
- Clock source: supports external oscillator, externally driven clock, and 40 MHz crystal connection
- Easy hardware design with 0.65-mm pitch, 161-pin Flip Chip BGA package
Applications
- Industrial sensors for measuring range, velocity, and angle
- Tank level probing radar
- Displacement sensing
- Field transmitters
- Traffic monitoring
- Proximity sensing
- Security and surveillance
- Factory automation safety guards
- People counting
- Motion detection
- Building automation
- Factory automation
- Drones
- Material handling
Q & A
- What is the frequency range of the IWR1642AQAGABL?
The IWR1642AQAGABL operates in the 76- to 81-GHz band.
- How many receive and transmit channels does the IWR1642AQAGABL have?
The device has four receive channels and two transmit channels.
- What is the TX power of the IWR1642AQAGABL?
The TX power is 12.5 dBm.
- What type of processor does the IWR1642AQAGABL use?
The device uses an ARM Cortex-R4F-based radio control system.
- What kind of DSP is integrated in the IWR1642AQAGABL?
The device integrates a Ti C674x DSP for FMCW signal processing.
- What is the on-chip memory capacity of the IWR1642AQAGABL?
The on-chip memory capacity is 1.5 MB.
- What are the key applications of the IWR1642AQAGABL?
The device is used in industrial sensors, traffic monitoring, security and surveillance, factory automation, drones, and material handling among others.
- Does the IWR1642AQAGABL support autonomous mode?
Yes, it supports autonomous mode by loading user applications from QSPI flash memory.
- What is the junction temperature range of the IWR1642AQAGABL?
The junction temperature range is -40°C to 105°C.
- What type of package does the IWR1642AQAGABL come in?
The device comes in a 161-pin 10.4 mm × 10.4 mm Flip Chip BGA package.
