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Epson, as a leading global supplier of crystal products, offers a range of programmable crystal oscillators that can be used in conjunction with fundamental normal oscillators. These products are known for their high precision, stability, and programmability. Compared to Epson's mass-produced general-purpose active crystal oscillator models, Epson's programmable crystal oscillators are most prominent for their fast batch delivery, with sample delivery times measured in hours. Batch delivery times typically take 1-3 working days, which is significantly shorter than the 3-4 month lead time. Programmable crystal oscillator is an advanced crystal oscillator, and another important feature is its friendliness to special frequencies. It can output any frequency required by customers in the range of 0.67MHz to 170MHz. Epson programmable crystal oscillator is composed of two main parts: crystal and resonant cavity. When a voltage is applied, the quartz crystal will vibrate and generate an electrical signal. This signal is detected and digitized, then demodulated by a PLL processor, and finally output the required frequency signal. The following is detailed information about Epson programmable crystal oscillators:
Product model recommendation:
1.The SG-8200 and SG-8201 series adopt Epson's new low-noise decimal N-division PLL technology, which improves stability by 2 times and reduces phase jitter by 1/25 compared to the previous generation Epson programmable crystal oscillator. It is highly suitable for various consumer and industrial applications that require small size and/or operation in harsh environments, with a working temperature range of up to+125 ° C. This programmable SPXO can be used in small batches at any frequency in the range of 1.2 MHz to 170 MHz, with short turnaround time, which is helpful for automotive applications from development to mass production. SG-8201CG and SG-8201CJ have the characteristics of high precision and low jitter, with a frequency tolerance of ± 15ppm. And SG-8200CG/SG-8200CJ are for general use, with a frequency accuracy of ± 50ppm. Both are low jitter crystal oscillators, with a typical phase jitter of 1.1 ps at fo=125 MHz. They can operate accurately even in high temperature environments up to 125 ° C and have temperature compensation function. The package size is 2.5mmx2.0x0.74.
2.The SG-9101CA/CB/CE/CG four size spread spectrum crystal oscillators integrate SS function modules internally. When frequency modulation is applied to the output, the spectral peaks of the fundamental and harmonic waves are suppressed, so that the actual output frequency is no longer the factory nominal frequency, but can be adjusted up and down by the current designer according to the current circuit design needs. To identify the frequency that maximizes the reduction of electromagnetic interference (EMI). Therefore, the use of frequency spreading crystal oscillators is a continuous debugging process, which is different from general-purpose active crystal oscillators.
3.Epson's automotive programmable crystal oscillator adopts internal IC and LL technology, which complies with AEC-Q100 standard. SG-8101CGA is an early launched high-precision and high stability programmable crystal oscillator specifically designed for automotive electronic devices. [SG-820CJA] is a new model that can simultaneously meet high-precision, low jitter, and wide temperature requirements, and can be paired with a programmable crystal oscillator with spread spectrum function [SG-9101 CGA] to provide noise protection. These programmable crystal oscillators can be used in small batches at any frequency in the range of 1.2 MHz to 170 MHz, with short turnaround time, which is helpful for automotive applications from development to mass production. The SG-8201CJA with a size of 2016 maintains high precision and stability at 15ppm/25ppm and a low noise level of 1.1ps at 105 and 125 ℃. The SG-9101CGA programmable crystal oscillator with spread spectrum (SS) function can reduce EMI, and automotive electronic equipment application engineers can program any frequency and SS options themselves.
4.SG-8503CA, SG-8504CA, and SG-8506CA are three 7050 size programmable high-frequency crystal oscillators that can be used to select user specified frequencies in the 50MHz~800MHz high-frequency range and output LV-PECL waveforms. The main difference among the three lies in the number of interfaces and channels.
5.Epson programmable crystal oscillators are currently continuing to mass produce models such as SG-8018CA, SG-8018CB, SG-8018CE, SG-8018CG, SG-8101CA, SG-8101CB, SG-8101CE, SG-8101CG, etc. Provide universal products for customers who pursue cost-effectiveness. At the same time, Epson's R&D personnel are constantly striving to mass produce programmable crystal oscillators with higher precision, lower noise, smaller size, and lower power consumption.
technical parameter
Frequency range: 0.67 MHz~170 MHz
Power supply voltage: 1.62 V~3.63V
Frequency stability: ± 15~50ppm @ -40 ° C~+105 ° C
Working temperature: -40 ° C~+105 ° C
Specification and dimensions: 2016/2520/3225/5032/7050
application area
Epson programmable crystal oscillators are widely used in application markets such as electric vehicles, fuel vehicles, industrial controls, mobile communication products, network equipment, storage devices, and industrial sectors.
advantage
Fast delivery: 1-3 working days for domestic shipment
Strong programmability: The output frequency can be adjusted arbitrarily through software programming according to actual application needs. Engineers will no longer be delayed in research and development procurement time due to frequent infrequency.
Stable output: Due to its digital control method, the output frequency stability of programmable crystal oscillators is extremely high. At the same time, the consistency between sample and batch delivery is very good.
Good temperature stability: Advanced temperature compensation technology is adopted, with a maximum error of 15ppm across the entire operating temperature range.
High reliability: Simple structure and high reliability.
Comparison Table of Programmable Crystal Oscillator Selection
型号 | 尺寸 [mm |
输出 | 电压 [V] |
频率范围 [MHz] |
精度 [ppm |
温度范围 [℃] |
SG-8200CJ | 2.0x1.6x0.6 | CMOS | 1.8 2.5 3.3 |
1.2≈170 | ±50 | -40~+125 |
SG-8200CG | 2.5x2.0x0.74 | |||||
SG-8201CJ | 2.0x1.6x0.6 | 1.8 2.5 3.3 |
1.2~170 | ±15 ±25 |
-40~+105 -40~+125 |
|
SG-8201CG | 2.5x2.0x0.74 | |||||
SG-8201CJA | 2.0x1.6x0.6 | 1.8 2.5 3.3 |
1.2~170 | ±15 | -40~+105 | |
±25 | -40~+125 | |||||
±50 | -40~+125 | |||||
SG-8018CA | 7.0x5.0x1.3 | 1.8 2.5 3.3 |
0.67~170 | ±50 | -40~+105 | |
SG-8018CB | 5.0x3.2x1.1 | |||||
SG-8018CE | 3.2x2.5x1.05 | |||||
SG-8018CG | 2.5x2.0x0.7 | |||||
SG-8101CA | 7.0x5.0x1.3 | 1.8 2.5 3.3 |
0.67~170 | ±15 ±20 ±50 |
-40~+85 -40~+105 -40~+105 |
|
SG-8101CB | 5.0x3.2x1.1 | |||||
SG-8101CF | 3.2x2.5x1.05 | |||||
SG-8101CG | 2.5x2.0x0.7 | |||||
SG-8101CGA | 2.5x2.0x0.7 | 1.8 2.5 3.3 |
0.67~170 | ±15 | -40~+85 | |
±20 | -40~+105 | |||||
±50 | -40~+125 | |||||
±100 | -40~+125 | |||||
SG-8503CA | 7.0x5.0x1.5 | LV-PECL | 2.5 3.3 |
50~800 | ±31.5 | -40~+85 |
±50 | -40~+85 | |||||
SG-8504CA | 7.0x5.0x1.5 | LV-PECL | 2.5 3.3 |
50~800 | ±31.5 | -40~+85 |
±50 | -40~+85 | |||||
SG-8506CA | 7.0x5.0x1.5 | LV-PECL | 2.5 3.3 |
50~800 | ±31.5 | -40~+85 |
±50 | -40~+85 | |||||
SG-Writerll |
Programmable frequency spreading crystal oscillator
系列号 | 尺寸 [mm ] |
频率范围 [MHz] |
工作温度 [℃] |
电压 [V] |
输出 | 类型 | 类型Ⅱ | 展频范围1 [%] |
展频范围2 [%] |
SG-9101CA | 7.0x5.0x1.3 | 0.67 to 170 | -40 to +85 -40 to+105 |
1.8 2.5 3.3 |
CMOS | Center Spread | Down Spread | ±0.25 ±0.5 ±0.75 ±1.0 ±1.5 ±2.0 |
-0.5 -1.0 -1.5 -2.0 -3.0 -4.0 |
SG-9101CB | 5.0x3.2x1.1 | ||||||||
SG-9101CE | 3.2x2.5x1.05 | ||||||||
SG-9101CG | 2.5x2.0x0.7 | ||||||||
SG-9101CGA | CG:2.5x2.0x0.7 | -40 to+125 |