CA has gate protected MOSFETs (PMOS) transistors in the input circuit to provide very high input impedance typically around T Ohms. The IC requires. Renesas Electronics CAE Operational Amplifiers – Op Amps are available at Mouser Electronics. Mouser offers inventory, pricing, & datasheets for Renesas. CAE datasheet, CAE pdf, CAE data sheet, datasheet, data sheet, pdf, Harris Semiconductor, MHz, BiMOS operational amplifier with MOSFET.

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Your basic op amp circuit configurations will be the same and you will be using the same formulas. It has JFET inputs and is pin compatible with the These CMOS operational amplifiers will operate on a voltage as low as 2.

The common mode input voltage range will go 0. However, Farnell have the LFN, which is an equivalent for 38p.

HARRIS CA3140E BiMOS Operational Amplifier 4.5MHz, Dip-8

CAE is pin equivalent to the LM Almost all the modern 8-pin operational cw3140e take their architecture from the earlier chip. Texas Instruments have one of the largest ranges of integrated circuits that are pin compatible, with JFET inputs. These are ideal for battery powered circuits and portable devices. If you were using an op amp for simple educational experiments to calculate the gain, or perhaps for simple basic op amp circuits, then many cheaper equivalents would perform just as effectively, and save you money.


This is the low noise version, which is extremely useful for high-fidelity audio applications.

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The LM is a classic op amp chip and as you can see, it has a very simple and standard layout that is identical to all the chips mentioned on this page.

Both chips are pin identical toexcept the MCP has a chip select on pin 8. Here is a list showing the approximate price for one at Farnell. This means you could connect the inputs directly to a signal source with minimal impedance issues.

Even with all the modern day equivalents, the LMCN is still a very cost effective chip at around 54p each or 32p when you buy ca31140e Farnell. This one is the most affordable I could find from Farnell at just 38p each or 29p when you buy The is the one everyone thinks of when looking for a general-purpose amplifier, however, if you rely too much on the same chip and seller, they will sometimes artificially hike up their prices.

I have compiled a list of my favourite chips ca3104e are readily available and affordable. This is one of my favourites as it is almost identical to the old in technology.

CAE Datasheet(PDF) – Intersil Corporation

Consequently, some chips have been getting expensive due to students relying too much on one model and manufacturer. Mr Vis Education Donate. The CAE is a direct replacement for theand the manufacturers designed it with this being the main purpose. TLCN is another favourite of mine because it is affordable.


Pin Compatible Equivalent Op Amps

This is useful if you wanted to switch audio cq3140e, otherwise, you could always tie it permanently to ground. Obviously, it will be cheaper for bulk purchase.

You can make your budget stretch further if you look for cheaper equivalents. You can pick one of these up from Maplin for around 62p whilst you are on your way to the chip shop. If you required high-speed and precision, and money was no object, then this IC is ideal for precision instrumentation, medical equipment, and professional audio. This is a general-purpose amplifier utilising bipolar junction transistor technology. There is a minor difference in that pin 8 is for the strobe function, which controls the output, however, for basic op amp circuits it is not used.

There are many compatible chips readily obtainable; however, the problem is that many students and colleges are not aware of the different manufacturers and fa3140e model numbers. You can get these from RS at very affordable prices. Many manufacturers have made minor changes to the original design, however for the most part they cx3140e pinout equivalents, and the same formula for gain calculation applies.

This is a general-purpose operational amplifier with a JFET input, which is even better because its input impedance will be high.