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SIT5156AC-FKG25NS-19.123456

产品描述LVCMOS Output Clock Oscillator, 19.123456MHz Nom, CQFN, 10 PIN
产品类别无源元件    振荡器   
文件大小1MB,共38页
制造商SiTime
标准
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SIT5156AC-FKG25NS-19.123456概述

LVCMOS Output Clock Oscillator, 19.123456MHz Nom, CQFN, 10 PIN

SIT5156AC-FKG25NS-19.123456规格参数

参数名称属性值
是否Rohs认证符合
厂商名称SiTime
包装说明LCC10,.12X.2,53/47/43
Reach Compliance Codeunknow
老化1 PPM/FIRST YEAR
最长下降时间1.9 ns
频率调整-机械NO
频率稳定性0.5%
安装特点SURFACE MOUNT
端子数量10
标称工作频率19.123456 MHz
最高工作温度70 °C
最低工作温度-20 °C
振荡器类型LVCMOS
输出负载220 OHM, 550 pF
封装主体材料CERAMIC
封装等效代码LCC10,.12X.2,53/47/43
物理尺寸5.15mm x 3.35mm x 1.06mm
最长上升时间1.9 ns
最大供电电压2.75 V
最小供电电压2.25 V
标称供电电压2.5 V
表面贴装YES
最大对称度55/45 %

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SiT5156
Description
1 MHz to 60 MHz, ±0.5 to ±2.5 ppm, Elite Platform™ Super-TCXO
Features
TCXO that is engineered for best dynamic performance. It
is ideal for high reliability telecom, wireless and networking,
industrial, precision GNSS and audio/video applications.
Leveraging SiTime’s unique DualMEMS™ temperature
sensing and TurboCompensation™ technologies, the
SiT5156 delivers the best dynamic performance for timing
stability in the presence of environmental stressors such as
air flow, temperature perturbation, vibration, shock, and
electromagnetic interference. This device also integrates
multiple on-chip regulators to filter power supply noise,
eliminating the need for a dedicated external LDO.
The SiT5156 offers three device configurations that can be
ordered using
Ordering Codes
for:
1) TCXO with non-pullable output frequency,
2) VCTCXO allowing voltage control of output
frequency, and
3) DCTCXO, enabling digital control of output frequency
2
using an I C interface, pullable to 5 ppt (parts per
trillion) resolution.
The SiT5156 can be factory programmed for any
combination of frequency, stability, voltage, and pull range.
Programmability enables designers to optimize clock
configurations while eliminating long lead times and
customization costs associated with quartz devices where
each frequency is custom built.
Refer to
Manufacturing Guideline
for proper reflow profile
and PCB cleaning recommendations to ensure best
performance.
The
SiT5156
is a ±0.5 ppm to ±2.5 ppm MEMS Super-
Any frequency from 1 MHz to 60 MHz in 1 Hz steps
Factory programmable options for short lead times
Best dynamic stability under airflow, thermal shock
±0.5 ppm stability across temperature
±15 ppb/
°
C typical
frequency slope (ΔF/ΔT)
-40°C to +105°C operating temperature
No activity dips or micro jumps
Resistant to shock, vibration and board bending
On-chip regulators eliminate the need for external LDOs
2
Digital frequency pulling (DCTCXO) via I C
Digital control of output frequency and pull range
Up to
±3200
ppm pull range
Frequency pull resolution down to 5 ppt
2.5V, 2.8V, 3.0V and 3.3V supply voltage
LVCMOS or clipped sinewave output
RoHS and REACH compliant
Pb-free, Halogen-free, Antimony-free
Applications
Precision GNSS systems
Microwave backhaul
Network routers and switches
Professional audio and video equipment
Storage and servers
Test and measurement
Block Diagram
5.0 mm x 3.2 mm Package Pinout
SDA / NC
OE / VC / NC
SCL / NC
NC
GND
1
10
9
VDD
NC
NC
CLK
2
3
8
7
4
5
6
A0 / NC
Figure 1. SiT5156 Block Diagram
Figure 2. Pin Assignments (Top view)
(Refer to
Table 13
for Pin Descriptions)
Rev 1.05
March 28, 2020
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