X1T2R SoC Line-up
ICLegend Micro 사의 24GHz, 1T2R의 FMCW Radar SoC를 간략히 정리하고 있다.
1T2R의 경우 사물의 거리, 속도를 포함하여 방향/각도를 측정할 수 있다.
| Category | Key Parameters | S5KM312CL | ICL1122 | |
| Architecture | Transceiver Channels | 1T2R | 1T2R | |
| Low Power Mode | Not Support | Support | ||
| Cascading of Chips (Include RF & Sync Signals) | Support | Support | ||
| Standalone Operation w/o External MCU | Not Support | Not Support | ||
| Antenna | 외장 | 외장 | ||
| Frequency Synthesizer | Operating Frequency Range(BW) | 22.5 ~ 27.5 GHz(4 GHz) | 24 ~ 25 GHz(1GHz) | |
| FMCW Ramp Rate | Max. 20 MHz/µs | |||
| Frequency Modulation Error | 0.50% | 0.045 @250 MHz, FCC/CE compliant | ||
| PLL phase noise @ 1MHz offset | -97 dBc @ 1 MHz | -97 dBc @1 MHz | ||
| Transmitter | TX Max. power | 12 dBm | 12 dBm | |
| TX Power Control | 9~12 dBm | 6~12 dBm @0.25dB/Step | ||
| Transmission Power Detection | Support | |||
| Receiver | RX noise figure (RF/BB/ADC) | 10.5 dB | 10 dB | |
| Adjustable receive gain | 15~31 dB | |||
| ADC | Sampling Rate | 2.5Msps | 312.5Ksps ~ 2.5Msps @Programmable | |
| Resolution | 16 bits | 16 bits | ||
| DSP | Zero-padding super resolution | Support | ||
| Maximum 1D FFT Point | 256 | 256 | ||
| Maximum 2D FFT Point | 1024 | 1024 | ||
| Target Detection Mechanism | 2D FFT Peak Value | CFAR | ||
| External Interface | I2C | |||
| UART | ||||
| SPI | 2 x 16.67Mbps, Slave | 2 x 25Mbps, Slave/Master | ||
| Operating Condition | Operating voltage | 3.0 ~ 3.6 V | 3.0 ~ 3.6 V | |
| Operating current | 78 mA | 70 μA @0.3% duty cycle | ||
| Temperature | -40°C~85°C | |||
| Appearance | Package | QFN32 | QFN32 | |
| Dimension | 4mm x 4mm | 4mm x 4mm |
