LM1458 is a dual general purpose operational amplifier. ② Is there a simple function generator circuit using LM1458?Ī simple function generator circuit using LM1458 is known here. This condition is to make both of the amplifiers dependent on each other. Its has two builtin amplifiers having common power supply as well as common mode voltage. LM1458 is a dual general purpose Operational Amplifier (Op-amp). Note: Please check their parameters and pin configuration before replacing them in your circuit. You can download this datasheet for LM1458–Datasheet from the link given below: TI is helping more than 100,000 customers transform the future, today. By employing the world's brightest minds, TI creates innovations that shape the future of technology. Texas Instruments Incorporated (TI) is a global semiconductor design and manufacturing company that develops analog ICs and embedded processors. The following information can be used to create custom footprints of the IC and be used for PCB designing and CAD modelling.įollowing is the circuit diagram of LM1458. Total supply voltage (Min) (+5V=5, +/-5V=10)īelow is the 2D model of the LM1458 ICs PDIP package along with its dimensions in inches(millimeters). LM1458 Specification Number of channels (#) The architecture of LM1458 is shown in the picture below. In the circuit above, the input voltage is provided to the non-inverting terminal of the op-amp IC and the inverting terminal is connected to the output of the op-amp through which a load is connected and the output voltage is taken across it. Here the circuit does not provide any amplification but provides an output voltage following the input voltage (The output voltage is equal to the input voltage). A voltage follower can also be called a buffer circuit, unity gain amplifier, and uses an op-amp circuit as it has a voltage gain of 1. Another application where op-amps are used is voltage followers.Ī voltage follower made with an op-amp is very useful because the circuits have a very high impedance. LM1458 is a dual operational amplifier which has a lot of applications but is widely used in audio amplification applications. These external components used such as resistors, capacitors, etc. The table below can be referred to understand the pin configuration of the Op-amp.Īn operation amplifier is basically a voltage amplifier which is used along with some external components between its I/O pins. The LM1458 has 8 pins for inputs/outputs and power. The following figure is the diagram of LM1458 pinout. No latch up when input common mode range is exceeded.Vos (offset voltage 25 C) (Max) (mV) 6.Wide common-mode and differential voltage ranges.Working and Need of an Operational Amplifier Video: Adjustable DC Offset with an LM1458
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