LM1458M

Name: LM1458M
Brand: Texas Instruments
Rating: 4.5 (10 reviews)
Author: Lisleapex

Suitable for a variety of industrial and consumer electronics projects

3,187 Effective Inventory

LM1458M

Effective Inventory3,187

Suitable for a variety of industrial and consumer electronics projects

Manufacturer Part # : LM1458M
Package/Case: SOIC-8
Brand: Texas Instruments
Product Categories : Instrumentation, OP Amps, Buffer Amps
Series : LM1458

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LM1458M DataSheet

Current price plan is under preparation. Please contact our customer service team for the latest pricing information. Thank you for your understanding and support!

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LM1458M Details

The LM1458M is a dual operational amplifier (op-amp) from National Semiconductor, designed for high-performance audio applications and instrumentation systems. This device features a wide bandwidth of 1 MHz, high slew rate of 0.5 V/μs, and low input offset voltage of 2 mV, making it suitable for various signal processing tasks.

Pinout

Package: SOIC (D)-8
(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Dual Operational Amplifier: Provides two independent op-amps for simultaneous signal processing.
Wide Bandwidth: 1 MHz: Enables high-frequency signal processing and amplification.
High Slew Rate: 0.5 V/μs: Supports fast signal transitions and amplification.
Low Input Offset Voltage: 2 mV: Reduces noise and distortion in amplified signals.
Pin- Compatible with Industry-Standard Dual Operational Amplifiers: Ensures seamless integration into existing systems.

Applications

Audio Applications: Suitable for preamplifiers, filters, and amplifiers in audio systems.
Instrumentation Systems: Used in signal conditioning, voltage amplification, and low-frequency signal processing applications.
Voltage Followers and Precision Rectifiers: Enables high-performance voltage regulation and rectification tasks.

Where to Use

The LM1458M is suitable for various applications where high-performance signal processing and amplification are required, such as:

Audio equipment design
Instrumentation systems development
Industrial control systems

How to Use

To use the LM1458M, connect it to your circuit as follows:

Connect the op-amp inputs and outputs according to your specific application requirements.
Ensure proper power supply connections to VCC and GND.
Use the device's pins (e.g., non-inverting input, inverting input, output) as specified in the datasheet.

Application Circuit

The application circuit diagram for the LM1458M illustrates how to connect the op-amp to an audio amplifier or instrumentation system. It includes connections for power supply, ground, and signal processing lines, ensuring proper operation and high-performance signal amplification.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

OP07: A similar dual operational amplifier from Analog Devices offering comparable features and performance.
LM833: An alternative dual operational amplifier from National Semiconductor with equivalent functionality.

Complementary

The LM1458M can be complemented by other op-amps or amplifiers that offer specific features and performance characteristics, such as:

LM833: A complementary dual operational amplifier offering similar features and performance.

When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.

Frequently Asked Questions

Q: What is the maximum bandwidth supported by the LM1458M?

A: The LM1458M features a wide bandwidth of 1 MHz, making it suitable for high-frequency signal processing and amplification.

Q: Can the LM1458M be used in audio equipment design?

A: Yes, the LM1458M is suitable for various audio applications, including preamplifiers, filters, and amplifiers, due to its high-performance signal processing capabilities.

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Number of channels	2	Total supply voltage (+5 V = 5, ±5 V = 10) (max) (V)	36
Total supply voltage (+5 V = 5, ±5 V = 10) (min) (V)	6	Rail-to-rail	No
GBW (typ) (MHz)	1	Slew rate (typ) (V/µs)	0.5
Vos (offset voltage at 25°C) (max) (mV)	6	Iq per channel (typ) (mA)	1.5
Vn at 1 kHz (typ) (nV√Hz)	30	Rating	Catalog
Operating temperature range (°C)	0 to 70	Offset drift (typ) (µV/°C)	0
Input bias current (max) (pA)	500000	CMRR (typ) (dB)	90
Iout (typ) (A)	0.045	Architecture	Bipolar
Input common mode headroom (to negative supply) (typ) (V)	3	Input common mode headroom (to positive supply) (typ) (V)	-3
Output swing headroom (to negative supply) (typ) (V)	1	Output swing headroom (to positive supply) (typ) (V)	-1

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LM1458M PDF Download

FAQs

What is LM1458M?

The LM1458M is a dual operational amplifier IC (integrated circuit) manufactured by Texas Instruments. It is designed for general-purpose operational amplifier applications that require dual amplifiers in a single package.

How Does LM1458M Work?

The LM1458M operates as a dual operational amplifier with versatile functionality for amplifying and processing analog signals. It provides high gain, wide bandwidth, and low input offset voltage, making it suitable for a variety of applications including audio amplifiers, active filters, and voltage followers.

How Many Pins does LM1458M have and What are the Functions of the Pinout Configuration?

The LM1458M is typically available in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

VCC+: Positive power supply pin.
VCC-: Negative power supply pin.
IN1-: Inverting input for amplifier 1.
IN1+: Non-inverting input for amplifier 1.
OUT1: Output for amplifier 1.
IN2-: Inverting input for amplifier 2.
IN2+: Non-inverting input for amplifier 2.
OUT2: Output for amplifier 2.

What are the Pros and Cons of LM1458M?

Pros:

Cost-Effective: The LM1458M is an affordable dual operational amplifier solution.
General-Purpose: Suitable for a wide range of basic analog signal processing applications.
Easy-to-Use: Simple pinout and standard operational amplifier configuration.
Good Linearity: Provides decent linearity for many common applications.
Dual Amplifiers: Ideal for designs requiring two separate amplifiers in one package.

Cons:

Limited Features: Lacks advanced features found in more specialized operational amplifiers.
Lower Specs: Performance specifications may not match those of high-end operational amplifiers.
Not Rail-to-Rail: Does not support rail-to-rail input and output operation.

Are There Any Equivalents/Alternatives to LM1458M for Recommendation?

The NJM14558 from New Japan Radio is a direct equivalent to the LM1458M.
Alternatives to the LM1458M include the LM358 from Texas Instruments and the LM324 from Texas Instruments.