參數(shù)資料
型號(hào): LC72121V
廠商: SANYO SEMICONDUCTOR CO LTD
元件分類: PLL合成/DDS/VCOs
英文描述: PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24
封裝: SSOP-24
文件頁數(shù): 11/23頁
文件大小: 377K
代理商: LC72121V
Clock Time Base Usage Notes
When using the clock time base output function, the output pin (BO1) pull-up resistor must have a value of over 100 k
.
The use of a Schmitt input in the microcontroller that accepts this signal is recommended to reduce chattering. This is to
prevent degradation of the VCO C/N characteristics when combining with a loop filter that uses the internal transistor
provided to form a low-pass filter. Although the ground for the clock time base output pin (VSSd) and the ground for the
transistor (VSSa) are isolated internally on the chip, applications must take care to avoid ground loops and minimize
current fluctuations in the time base pin to prevent degradation of the low-pass filter characteristics.
No. 5815-19/23
LC72121, 72121M, 72121V
Pin States after a Power on Reset
相關(guān)PDF資料
PDF描述
LC72121M PLL FREQUENCY SYNTHESIZER, 160 MHz, PDSO24
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