Results for: OPA2227UA2K5
in Amplifiers and Comparators
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Amplifiers and Comparators
In electronics, a comparator is a device that compares two voltages or currents and outputs a digital signal indicating which is larger. It has two analog input terminals V_+\, and V_-\, and one binary digital output V_o\,. The output is ideally A comparator consists of a specialized high-gain differential amplifier. They are commonly used in devices that measure and digitize analog signals, such as analog-to-digital converters (ADCs), as well as relaxation oscillators. An operational amplifier (op-amp) has a well balanced difference input and a very high gain. This parallels the characteristics of comparators and can be substituted in applications with low-performance requirements.[4] In theory, a standard op-amp operating in open-loop configuration (without negative feedback) may be used as a low-performance comparator. When the non-inverting input (V+) is at a higher voltage than the inverting input (V-), the high gain of the op-amp causes the output to saturate at the highest positive voltage it can output. When the non-inverting input (V+) drops below the inverting input (V-), the output saturates at the most negative voltage it can output. The op-amp's output voltage is limited by the supply voltage. An op-amp operating in a linear mode with negative feedback, using a balanced, split-voltage power supply, (powered by ± VS) has its transfer function typically written as: V_{out}=A_{o} (V_1 - V_2). However, this equation may not be applicable to a comparator circuit which is non-linear and operates open-loop (no negative feedback)
Linear > Amplifiers and Comparators > OP AMP
Part No. Variations
- OPA201CG
- OPA207ID
- OPA209AIDBVR
- OPA2111AIDR
- OPA2111JP
- OPA2111SM
- OPA2111UA
- OPA211AIDRGT
- OPA2130PA
- OPA2134UA2K5
- OPA2137P
- OPA2137UA
- OPA2141AIDR
- OPA2156IDR
- OPA2171AIDGK
- OPA2171AIDGKR
- OPA2172AIDR
- OPA2172IDRGT
- OPA2187IDR
- OPA2189IDGK
- OPA2189IDGKT
- OPA2196IDGKT
- OPA2196IDR
- OPA2197DGK
- OPA2197IDCGK
- OPA2197IDGKT
- OPA2209AIDGKR
- OPA2209AIDRIC
- OPA2210IDGKR
- OPA2210IDR
- OPA2227PA
- OPA2227PIC
- OPA2228UA2K5
- OPA2241PAG4
- OPA2241PAIC
- OPA2241UA2K5
- OPA2244EA250G4
- OPA2244EA2K5G4
- OPA2244UA2K5
- OPA2251UA2K5
- OPA2277AIDRM
- OPA2277PA
- OPA2277PAG4
- OPA2277UA
- OPA227UA2K5
- OPA2301A
- OPA2313IDGK
- OPA2313QDGKRQ1
- OPA2314AIDGKR
- OPA2317ID
- OPA2333PIDSGT
- OPA2333SHKJ
- OPA2333SJD
- OPA2337PAG4
- OPA2338UA2K5
- OPA2340EA
- OPA2344PA
- OPA2347UA
- OPA2347UAIC
- OPA234U2K5
- OPA234UG4
- OPA2350PA
- OPA2354A4
- OPA2354AID
- OPA2356AIDG4
- OPA2357AIDGS
- OPA2369AIDCNT
- OPA2369AIDGK
- OPA2376AIYZDT
- OPA2379AIDRG4
- OPA241PAG4
- OPA241UA2K5
- OPA2613IDR
- OPA2652U2K5
- OPA2658U
- OPA2674I14DG4
- OPA2677T2K5
- OPA2681N12K5
- OPA2683IDCNR
- OPA268IN
- OPA2690ID
- OPA2690IDIC
- OPA2695IRGTR
- OPA27
- OPA2703EA
- OPA2703EA250
- OPA2703EA2K5
- OPA2704PA
- OPA2725AIDG
- OPA2735AIDRIC
- OPA2743EA
- OPA2743EA250
- OPA277UIC
- OPA27EJ
- OPA27G
- OPA27GUG4
- OPA2822E250
- OPA2830IDGKT
- OPA2830IDGKTIC
- OPA2863IDGKR
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