汽車毫米波雷達晶振如何選型?汽車毫米波雷達晶振解決方案
毫米波雷達要求超高頻率穩定度和優異相位噪聲。奶茶视频污下载安装科技針對汽車毫米波雷達推出77GHz雷達專用晶振,19.2/26MHz高精度頻率源,±10ppm頻率穩定度,完美匹配FMCW測距。
2026-09-10



| 技術指標 Technical Specifications | 條件 Condition | Min. | Typ. | Max. | Unit. | |
| 頻率 Frequency | f | Ta= +25℃、VDD=VVLF~5.5V | - | 32.768 | - | kHz |
| 工作溫度 Operating Temperature | Ta | - | -40 | 25 | 85 | ℃ |
| 頻率穩定性 Frequency Stability | Δf/f | Ta=-40~85℃、VDD=3.0V | -140 | - | 10 | ppm |
| Ta=25℃、VDD=3.0V | -5 | - | 5 | ppm | ||
| 起振時間 Start-up Time | Tsta | Ta=+25℃、VDD=VDET1~5.5V | - | - | 1 | S |
| Ta=-40~+85℃、VDD=VDET1~5.5V | - | - | 3 | S | ||
| 電流消耗 Supply Current | IDD1 | SCL = SDA = "H"; FOUT = OFF; /INT = OFF | - | 0.22 | - | μA |
| VDD = VIO = VBAT = 3V; -40℃~85℃; | ||||||
| INIEN = 1b; CHGEN = 0b | ||||||
| IDD2 | SCL = SDA = "H"; FOUT = OFF; /INT = OFF | - | 0.18 | - | μA | |
| VDD = VIO = VBAT = 3V; -40℃~85℃; | ||||||
| INIEN = 0b; CHGEN = 0b | ||||||