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OP AMP

An operational amplifier (op-amp) is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output.[1] In this configuration, an op-amp produces an output potential (relative to circuit ground) that is typically hundreds of thousands of times larger than the potential difference between its input terminals.[2] Operational amplifiers had their origins in analog computers, where they were used to do mathematical operations in many linear, non-linear and frequency-dependent circuits. Characteristics of a circuit using an op-amp are set by external components with little dependence on temperature changes or manufacturing variations in the op-amp itself, which makes op-amps popular building blocks for circuit design. Op-amps are among the most widely used electronic devices today, being used in a vast array of consumer, industrial, and scientific devices. Many standard IC op-amps cost only a few cents in moderate production volume; however some integrated or hybrid operational amplifiers with special performance specifications may cost over $100 US in small quantities.[3] Op-amps may be packaged as components, or used as elements of more complex integrated circuits. The op-amp is one type of differential amplifier. Other types of differential amplifier include the fully differential amplifier (similar to the op-amp, but with two outputs), the instrumentation amplifier (usually built from three op-amps), the isolation amplifier (similar to the instrumentation amplifier, but with tolerance to common-mode voltages that would destroy an ordinary op-amp), and negative feedback amplifier (usually built from one or more op-amps and a resistive feedback network).

Linear > Amplifiers and Comparators > OP AMP

型号	DS	厂牌	批号	数量	地区	采购
LM124J		TI	200918	8	西班牙	要求报价
LM124J		TI	200531	10	西班牙	要求报价
LM124J		TI	200304	6	西班牙	要求报价
LM124J		TI	199527	25	西班牙	要求报价
LM124J		TI	201104	6	印度	要求报价
LM124J		TI	2020+	349	新加坡	要求报价
LM124J		TI	2011+	181	日本	要求报价
LM124J		TI	199651	1	印度	要求报价
LM124J		TI	-	100	香港	要求报价
LM124J		TI	2020	1813	日本	要求报价
LM124J		TI	2012+	25	韩国	要求报价
LM124J		TI	199546	13	法国	要求报价
LM124J		TI	2021+	5000	中国	要求报价
LM124J		TI	-	1	中国	要求报价
LM124J		TI	2020+	2009	中国	要求报价
LM124J		TI	-	1000	中国	要求报价
LM124J		TI	199349	2	德国	要求报价
LM124J		TI	200418	73	中国	要求报价
LM124J		TI	201521+	50	中国	要求报价
LM124J		TI	201841	6257	中国	要求报价
LM124J		TI	199546	8	德国	要求报价
LM124J		TI	199604	8	德国	要求报价
LM124J		TI	2020+	5726	香港	要求报价
LM124J		TI	2020+	4009	香港	要求报价
LM124J		TI	-	1555	香港	要求报价

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