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參數(shù)資料
| 型號： | DS32kHz-N |
| 英文描述： | 32.768kHz Temperature-Compensated Crystal Oscillator |
| 中文描述： | 32.768kHz的溫度補(bǔ)償晶體振蕩器 |
| 文件頁數(shù)： | 7/10頁 |
| 文件大?。?/td> | 443K |
| 代理商： | DS32KHZ-N |
DS32kHz
7 of 10
Figure 4 illustrates how a standard 32.768kHz crystal and the DS32kHz should be connected to address the
interchangeable option. Using this connection scheme and the recommended layout provides a solution, which
requires no hardware modifications. Only one device should be used at a time, and both layouts should be located
very close together if the recommended layout is not used.
The DS32kHz I
CC
and I
BAT
currents are specified with no output loads. Many RTC oscillator circuits use a quartz
crystal or resonator. Driving the oscillator circuit with the rail-to-rail output of the DS32kHz can increase the I
CC
and
I
BAT
currents significantly and increase the current consumption of the RTC as well. Figure 5 shows one circuit that
can be used to reduce the current consumption of a DS32kHz and an RTC. The values of R1 and C1 may vary
depending on the RTC used. However, values of 1.0M and 100pF are recommended as a starting point. R2 is
used to shift the input waveform to the proper level. The recommended value for R2 is 33k .
Figure 4. DS32kHz Connections
Figure 5. DS32kHz and RTC Connections
THIS SHOWS A CIRCUIT THAT CAN BE USED TO REDUCE
THE CURRENT CONSUMPTION OF A DS32kHz AND AN RTC.
THE STANDARD 32.768kHz CRYSTAL AND THE DS32kHz SHOULD BE CONNECTED TO ADDRESS THE
INTERCHANGEABLE OPTION.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS32KHZN/BGA | 功能描述:IC TCXO 32.768KHZ IND 36-BGA RoHS:否 類別:晶體和振蕩器 >> 振蕩器 系列:DS 標(biāo)準(zhǔn)包裝:1 系列:VG-4512CA 類型:VCXO 頻率:153.6MHz 功能:三態(tài)（輸出啟用） 輸出:LVPECL 電源電壓:3.3V 頻率穩(wěn)定性:- 工作溫度:-40°C ~ 85°C 電流 - 電源（最大）:60mA 額定值:- 安裝類型:表面貼裝 尺寸/尺寸:0.276" L x 0.197" W（7.00mm x 5.00mm） 高度:0.071"（1.80mm） 封裝/外殼:6-SMD，無引線（DFN，LCC） 包裝:Digi-Reel® 電流 - 電源（禁用）（最大）:- 其它名稱:SER3790DKR |
| DS32KHZN/BGA/T&R/ | 功能描述:TCXO振蕩器 RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
| DS32KHZN/DIP | 功能描述:TCXO振蕩器 32.768Khz Temp Cntrld Crystal Osc RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
| DS32KHZ-N/DIP | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:32.768kHz Temperature-Compensated Crystal Oscillator |
| DS32KHZN/WBGA | 功能描述:TCXO振蕩器 32.768Khz Temp Cntrld Crystal Osc RoHS:否 制造商:AVX 封裝 / 箱體: 頻率:32.768 kHz 頻率穩(wěn)定性: 負(fù)載電容:15 pF 端接類型:SMD/SMT 電源電壓:3 V 尺寸:2.5 mm W x 3.2 mm L x 1 mm H 輸出格式:CMOS 最小工作溫度:- 40 C 最大工作溫度:+ 85 C 封裝:Reel |
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