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会员年限:16年
SG-310SCF 3225 4P | |||
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标准频率 | 电压 | 频率偏差 | 点击购买 |
11.2896MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
12MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
16MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
20MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
24.576MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
24MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
25MHZ | 2.7V~3.6V(3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
27MHZ | 2.7V~3.6V(3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
37.125MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
40MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
48MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
50MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
54MHZ | 2.7V~3.6V (3.3V) | 50PPM | rel="nofollow" rel="nofollow" Buy |
晶振ppm误差公式
1:120ppm,27M的晶振,频率的误差 = 120/100万*27M=3240Hz
晶振的精度决定时钟的计时准确度。
2: 所配晶振频率:32772.2HZ,误差为+1.2ppm
一年的误差计算过程为:
Δf = +1.2/100万*32772.2
Δt/秒= Δf/32772.2 = 1.2/100万
一年的误差 = Δt*24*3600*365 = 37.8秒