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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT 8SOIC
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR),Cut Tape (CT)
- Amplifier Type：General Purpose
- Number of Circuits：2
- Output Type：-
- Slew Rate：0.5V/µs
- Gain Bandwidth Product：1 MHz
- Current - Input Bias：200 nA
- Voltage - Input Offset：1 mV
- Current - Supply：3mA (x2 Channels)
- Current - Output / Channel：20 mA
- Voltage - Supply Span (Min)：36 V
- Voltage - Supply Span (Max)：36 V
- Operating Temperature：0°C ~ 70°C
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- -3db Bandwidth：-
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Overview
The LM1458MX is a dual operational amplifier manufactured by Texas Instruments, housed in an 8-SOIC surface-mount package. It features two independent amplifiers with a gain-bandwidth product of 1 MHz and a slew rate of 0.5 V/µs. The device operates on a supply voltage range of 6 V to 36 V (±3 V to ±18 V) and draws a supply current of 3 mA per channel. Key electrical parameters include a maximum input offset voltage of 1 mV, an output current capability of 45 mA, and a common-mode rejection ratio of 90 dB.
Feature Summary
- Dual-channel architecture providing two independent operational amplifiers within a single compact package
- High output drive capability supporting up to 45 mA per channel for load driving applications
- Wide single or split power supply operation enabling flexibility across various voltage rails
Applications
- Audio pre-amplification stages
- General-purpose signal conditioning circuits
- Active filter implementations
Procurement Notes
Verify the specific suffix 'MX' against the official Texas Instruments datasheet to confirm the exact package type and temperature grade. Ensure the ordering part number matches the required RoHS compliance status and tape-and-reel packaging specifications. Cross-reference the manufacturer's latest documentation to validate pinout compatibility and thermal performance characteristics before finalizing procurement.
Selection Notes
Select this component when a dual op-amp solution is required with moderate bandwidth and high output current capabilities. The SOIC-8 package suits automated surface-mount assembly processes. Consider the 1 MHz gain-bandwidth product and 0.5 V/µs slew rate for applications not requiring high-speed precision. Verify that the 1 mV input offset voltage meets the system's accuracy requirements.
Part Context
The LM1458 series belongs to Texas Instruments' family of general-purpose dual operational amplifiers. This series is widely used in consumer electronics and industrial control systems due to its robust performance and cost-effectiveness. The LM1458MX variant specifically utilizes the SOIC-8 surface-mount footprint, distinguishing it from through-hole DIP variants while maintaining functional equivalence.
Replacement Considerations
Compatible substitutes include the LM1458M/NOPB and LM1458N/NOPB. Verify pinout compatibility and ensure the alternative part number supports the required SOIC-8 package if board space is constrained.
