參數(shù)資料
型號(hào): CXD2951GA-4
廠商: Sony Corporation
英文描述: Single Chip GPS LSI
中文描述: 單芯片LSI的全球定位系統(tǒng)
文件頁數(shù): 19/26頁
文件大小: 283K
代理商: CXD2951GA-4
– 19 –
CXD2951GA-4
RTC crystal and TCXO
In order to operate CXD2951GA-4 appropriately, the recommended characteristics of RTC crystal and TCXO
is shown below.
Recommended characteristics of RTC crystal
Operating temperature
Nominal frequency
Frequency tolerance
Frequency temperature coefficient
Frequency peak temperature
Frequency aging
–40 to +85°C
32.768kHz
±20ppm
–0.04ppm/°C
2
(Max.)
+25 ± 5°C
±3ppm/year
Recommended characteristics of TCXO
Operating temperature
Frequency tolerance
Frequency vs. temperature
Frequency vs. supply voltage
Frequency vs. load
Frequency aging
–40 to +85°C
±2.0ppm
±2.5ppm
±0.2ppm
±0.2ppm
±1ppm/year
Recommended parts
RTC crystal
TCXO
EPSON FC-255
NDK SNA3088B (NT5032 series)
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