ECS-96SMF21A7.5

Series:	ECS-96SMF
Packaging:	Tape & Reel (TR)
Part Status:	Active
Frequency - Center:	21.4MHz
Impedance:	850 Ohms
Insertion Loss:	2dB
Bandwidth:	7.5kHz
Ripple:	1dB
Number of Poles:	2
Operating Temperature:	-30°C ~ 80°C
Mounting Type:	Surface Mount
Package / Case:	6-SMD, No Lead
Size / Dimension:	0.276" L x 0.197" W (7.00mm x 5.00mm)
Height (Max):	0.059" (1.50mm)

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OverviewMonolithic crystals, which are also referred to as monocrystalline or monolithic ICs, are silicon structures with specific designs and physical properties that enable them to perform specific electronic functions, such as amplifying, switching, and regulating electrical signals. One of the more popular monolithic crystal products is the ECS-96SMF21A7.5. This particular device is targeted at the consumer electronics market and is mainly used for clock frequency control.In this article, we will explore the application field and working principle behind the ECS-96SMF21A7.5 monolithic crystal and how it is used in consumer electronics.Applications of ECS-96SMF21A7.5The ECS-96SMF21A7.5 monolithic crystal is mainly used in consumer electronics to control the clock frequency of various electronic products. The device is capable of providing an output frequency range of 3.6864 MHz up to a maximum of 21 MHz with an extremely tight tolerance of ±100 ppm suitable for high-precision frequency control applications. It is capable of providing power supply voltages from 3V to 6V for its digital circuits, and its superior semiconductor technology ensures a low power consumption of typically 3.5mW. These features of ECS-96SMF21A7.5 make it ideal for applications such as TV, Mobile Phones, Audio Players, GPS systems, Digital Cameras, Video Streaming Devices, Medical Devices, etc. The device is also capable of handling high temperature ranges of -40°C to +85°C without any frequency variation, making it suitable for use in harsh ambient temperature conditions.Working PrincipleThe ECS-96SMF21A7.5 monolithic crystal is a MEMS (Micro Electro Mechanical System) oscillator device which is made of a thin silicon layer with a thick layer of aluminum nitride deposited above it. The aluminum nitride acts as the vibrator of the oscillator while the silicon serves as the substrate where the electrode pattern is fabricated in order to suit the specific design requirements of a given application.When a current is passed through these electrodes, the aluminum nitride vibrates at the desired frequency and generates an electrical signal. This signal is then fed to a software module or logic circuit to suit the specific implementation of the application. As a part of the design process, the desired frequency is programmed into the device before the final assembly in order to ensure a precise frequency control. ConclusionThe ECS-96SMF21A7.5 monolithic crystal is a versatile device that can be used in a wide range of consumer electronic products. Its advanced MEMS technology ensures excellent frequency accuracy and low power consumption. Additionally, its wide temperature range and low cost make it a popular choice for many applications.

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