SiT1552中文资料Ultra-Small µPower, ±5 to ±20 ppm, 32.768 kHz TCXO数据手册SiTime规格书

描述 Description

SiTime's TempFlat MEMS technology enables the first 32 kHz TCXO in a 1.2mm2 chip-scale package, the world's smallest footprint. Typical core supply current is only 1 μA. And unlike standard oscillators, the SiT1552 features NanoDrive™, a factory-programmable output that reduces voltage swing to minimize power. The SiT1552 is factory calibrated over multiple temperature points to guarantee extremely tight frequency stability from ±5 ppm to ±20 ppm (initial and over temperature).

Video Demo: The SiT1552 is placed in temperature chamber that increases temp. from < -40 to +85 °C at a fast ramp rate of 4 degrees per second.

特性 Features

±10 ppm all-inclusive frequency stability
• Improved local timekeeping and improved system power with less dependency on network timekeeping updates with mobile and wearable devices

Smallest footprint in chip-scale (CSP)
• 1.5 x 0.8 mm: Saves board space

NanoPower: 990 nA (typ.)
• Maximizes battery life

NanoDrive™ reduced swing oscillator output
• Programmable output swing minimizes power

Internal VDD supply filtering
• Eliminates external VDD bypass capacitor to maintain ultra-small footprint

应用 Application

• Smart Meters
• Health & Wellness Monitors
• Pulse-per-second (PPS) Timekeeping
• Medical Electronics
• Retail Electronics
• Long-range Communications
• Machine to Machine (M2M)
• Asset Tracking
• Smart Agriculture
• Smart City
• Smartwatches
• Fitness Trackers
• Home Appliances

简介

SiT1552属于晶体振荡器谐振器的振荡器。由制造生产的SiT1552振荡器振荡器产品用作频率/时间基准源，与常用于类似用途的晶体产品相比，区别在于它们集成了更多功能，用于生成输出的保持和稳定。最简单的振荡器包括晶体或其他谐振元件，并且具备必要的功能，让用户能够获取频率基准，而无需密切关注谐振元件的工作。更先进的器件还集成了温度补偿或控制功能，以获取更稳定的基准或能够进行选择性调节的基准。