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DS32KHZSNT PDF预览

DS32KHZSNT

更新时间: 2024-02-23 15:44:37
品牌 Logo 应用领域
美信 - MAXIM 光电二极管
页数 文件大小 规格书
8页 388K
描述
Analog Circuit, 1 Func, PDSO16, 0.300 INCH, SOP-16

DS32KHZSNT 技术参数

生命周期:Obsolete零件包装代码:SOIC
包装说明:SOP,针数:16
Reach Compliance Code:compliantHTS代码:8542.39.00.01
风险等级:5.01其他特性:ALSO REQUIRES 2.7V TO 5.5V BATTERY SUPPLY
模拟集成电路 - 其他类型:ANALOG CIRCUITJESD-30 代码:R-PDSO-G16
长度:10.3 mm功能数量:1
端子数量:16最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:2.65 mm最大供电电压 (Vsup):5.5 V
最小供电电压 (Vsup):4.5 V标称供电电压 (Vsup):5 V
表面贴装:YES温度等级:INDUSTRIAL
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:7.5 mm
Base Number Matches:1

DS32KHZSNT 数据手册

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DS32kHz  
PIN DESCRIPTION  
PIN  
NAME  
FUNCTION  
SO  
BGA  
DIP  
1
C4, C5, D4, D5  
12  
32kHz  
VCC  
32.768kHz Push-Pull Output  
Primary Power Supply  
No Connection (Must be grounded)  
Ground  
2
C2, C3, D2, D3  
13  
A7, A8, B7, B8,  
C7, C8, D7, D8  
All remaining  
balls  
3–12, 15, 16  
1, 6–11, 14  
N.C.  
GND  
VBAT  
13  
14  
4
5
+3V Nominal Supply Input. Used to operate the  
device when VCC is absent.  
A4, A5, B4, B5  
Figure 2. Delta Time and Frequency vs. Temperature  
20  
0
0
Crystal +20ppm  
-20  
Typical Crystal,  
Uncompensated  
DS32kHz  
Accuracy  
Band  
-40  
-20  
-40  
-60  
-80  
-100  
-60  
-80  
-100  
-120  
-140  
-160  
-180  
-200  
Crystal -20ppm  
-40  
-30  
-20  
-10  
0
10  
20  
30  
40  
50  
60  
70  
80  
Temperature (°C)  
FUNCTIONAL DESCRIPTION  
The DS32kHz is a temperature-compensated crystal oscillator (TCXO) that outputs a 32,768Hz square wave.  
While the DS32kHz is powered by either supply input, the device measures the temperature every 64 seconds and  
adjusts the output frequency. The device requires four pins for operation: VCC, GND, VBAT, and 32kHz. (See  
Figure 4 for connection schemes.) Power is applied through VCC and GND, while VBAT is used to maintain the  
32kHz output in the absence of power. Once every 64 seconds, the DS32kHz measures the temperature and  
adjusts the out frequency. The output is accurate to ±2ppm (±1 min/yr) from 0°C to +40°C and to ±7.5ppm  
(±4 min/year) from -40°C to 0°C and from +40°C to +85°C.  
5 of 8  

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