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2011年3月22日星期二

OPA365AIDBVR: A Electronic Component with Variety of Uses

The component OPA365AIDBVR is included in the OPAx365 series that are usually seen in signal conditioning, DATA ACQUISITION, ACTIVE FILTERS, TEST EQUIPMENT and AUDIO in electronic components industry.

The OPAx365 zero-crossover series, rail-to-rail, high-performance, CMOS operational amplifiers are optimized for very low voltage, single-supply applications. Rail-to-rail input/output, low-noise (4.5nV/Hz) and high-speed operation (50MHz Gain Bandwidth) make these devices ideal for driving sampling analog-to-digital converters (ADCs). Applications include audio, signal conditioning, and sensor amplification. The OPA365 family of op amps are also well-suited for cell phone power amplifier control loops. Special features include an excellent common-mode rejection ratio (CMRR), no input stage crossover distortion, high input impedance, and rail-to-rail input and out-put swing. The input common-mode range includes both the negative and positive supplies. The output voltage swing is within 10mV of the rails. The OPA365 (single version) is available in the micro-SIZE SOT23-5 and SO-8 packages. The OPA2365 (dual version) is offered in the SO-8 package. All versions are specified for operation from −40°C to +125°C.
Single and dual versions have identical specifications for maximum design flexibility.

FEATURES
1. GAIN BANDWIDTH: 50MHz
2. ZERO−CROSSOVER DISTORTION TOP
  Excellent THD+N: 0.0004%
  CMRR: 100dB (min)
  Rail-to-Rail Input and Output
  Input 100mV Beyond Supply Ra
3. LOW NOISE: 4.5nV/Hz at 100kHz
4. SLEW RATE: 25V/µs
5. FAST SETTLING: 0.3µs to 0.01%
6.PRECISION:
  Low Offset: 100µV
  Low Input Bias Current: 0.2pA
7. 2.2V TO 5.5V OPERATION



2011年2月14日星期一

What About Life, What About Work...

Recently when I was keeping focusing on and news and information on electronic components industry and technology industries, I found many sensuous lines of our simple life such as: There are always rare precious things in the world, and that’s why there is only one of you in this world. When in French it is On trouve très peu d'objets précieux dans ce monde, c'est pourquoi chacun d'entre nous est unique. I like to read such lines, it always comes out with a short sentence but telling us much philosophy on how to face this cruel world, how to regulate your attitudes to your loves and your work.



We are all human beings that with many personal feelings when confront fears and, troubles and pressures, we have to make decisions, have to weep alone, but we have to make it clear that because we are real man and we should live as honestly as the electronic components do, when we are in normal you mobile phone rings, but when we are not, whatever you are apple or Nokia.


2011年2月12日星期六

A Collection of Electronic Component Symbols

To be a electronic components designer, you must know well of all electronic circuit symbols first before you draw your first circuit diagram.
The following tables shows the main symbols that are usually seen in a circuit diagram.
Table 1.


Table 2




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