5.0 mm x 3.2 mm Package Pinout ............................................................................................................................................... 1
Ordering Information .................................................................................................................................................................... 2
Device Configurations and Pin-outs ............................................................................................................................................. 9
Pin-out Top Views................................................................................................................................................................. 9
Test Circuit Diagrams for LVCMOS and Clipped Sinewave Outputs ......................................................................................... 10
Frequency Stability ............................................................................................................................................................. 16
Output Frequency and Format............................................................................................................................................ 16
Output Frequency Tuning ................................................................................................................................................... 16
Pin 1 Configuration (OE, VC, or NC) .................................................................................................................................. 17
Control Voltage Bandwidth ................................................................................................................................................. 20
Pull Range and Average Pull Range .................................................................................................................................. 22
Output Frequency ............................................................................................................................................................... 23
2
I C Control Registers .......................................................................................................................................................... 25
Serial Interface Configuration Description .......................................................................................................................... 28
Serial Signal Format ........................................................................................................................................................... 28
Parallel Signal Format ........................................................................................................................................................ 29
Parallel Data Format ........................................................................................................................................................... 29
2
I C Timing Specification ...................................................................................................................................................... 31
2
I C Device Address Modes ................................................................................................................................................. 32
Schematic Example ............................................................................................................................................................ 33
Dimensions and Patterns ........................................................................................................................................................... 34
Additional Information ................................................................................................................................................................ 36
Revision History ......................................................................................................................................................................... 37
Rev 1.05
Page 3 of 38
www.sitime.com
SiT5156
1 MHz to 60 MHz, ±0.5 to ±2.5 ppm, Elite Platform™ Super-TCXO
Electrical Characteristics
All Min and Max limits are specified over temperature and rated operating voltage with 15 pF output load unless otherwise
stated. Typical values are at 25°C and 3.3V Vdd.
Table 1. Output Characteristics
Parameters
Nominal Output Frequency Range
Operating Temperature Range
Symbol
F_nom
T_use
Min.
1
-20
-40
-40
Frequency Stability over
Temperature
Initial Tolerance
Supply Voltage Sensitivity
F_stab
–
–
–
F_init
F_Vdd
–
–
–
–
Output Load Sensitivity
F_load
–
–
–
Frequency vs. Temperature Slope
ΔF/ΔT
–
–
–
Dynamic Frequency Change during
Temperature Ramp
One-Year Aging
20-Year Aging
F_dynamic
–
–
–
F_1y
F_20y
–
–
Typ.
–
–
–
–
–
–
–
–
±7.10
±11.83
±28.40
±0.81
±1.35
±3.24
±15
±25
±60
±0.13
±0.21
±0.50
±1
±2
Max.
60
+70
+85
+105
±0.5
±1.0
±2.5
±1
±16.25
±32.50
±65.0
±2.75
±5.50
±11.00
±25
±50
±100
±0.21
±0.42
±0.83
–
–
Unit
MHz
°C
°C
°C
ppm
ppm
ppm
ppm
ppb
ppb
ppb
ppb
ppb
ppb
ppb/°C
ppb/°C
ppb/°C
ppb/s
ppb/s
ppb/s
ppm
ppm
Initial frequency at 25°C at 48 hours after 2 reflows
语音作为自然的人机接口,可以使车载导航系统实现更安全、更人性化的操作。通过国内外车载导航系统的功能对比可知,支持语音交互是车载导航系统的一个发展趋势。另外,市场信息服务公司J.D Power and Associates的调研数据也表明,56%的消费者更倾向于选择声控的导航系统。因此,开发车载语音导航系统是很有意义的。目前,国内已经具备开发车载语音导航系统的技术基础,特别是文语转换TTS技术...[详细]
中国 北京—— Analog Devices, Inc. (纽约证券交易所代码 : ADI ),全球领先的高性能信号处理解决方案供应商,最新推出两款模拟输出驱动器—— AD5750 和 AD5751 ,能显著提高过程控制应用的效率和可靠性,包括那些在高恒流电压和高温条件下工作的过程控制应用。这两款器件基于 ADI 公司的 iCMOS ™工业工艺技术,输出驱动器的精度...[详细]
便携式医疗设备的特殊性决定了它们应该是对用户友好的、必须工作在无菌环境下,并且空间占用小、耗能低。 同时,便携式医疗设备还需要足够的计算能力以便处理医疗数据,能够连接到无线或有线接口以便记录和发送数据。从设计人员的角度考虑,上述需求需要低功耗的单片机(MCU)和数字信号控制器(Digital Signal Controller,DSC)。 正是有了嵌入式处理器,设计人员才有可能设...[详细]