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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT WAFER
- Series：-
- Mfr：Texas Instruments
- Package：Bulk
- 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：-
- 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：Die
- Supplier Device Package：Wafer
- -3db Bandwidth：-
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Overview
The LM1458MWC is a dual operational amplifier from the LM1458 series, manufactured by Texas Instruments. It features a gain-bandwidth product of 1 MHz and a slew rate of 500 mV/µs. The device operates with a supply voltage range of 6 V to 36 V (±3 V to ±18 V). Key electrical parameters include an input offset voltage of 6 mV, input bias current of 500 nA, and common-mode rejection ratio of 90 dB. Input voltage noise density is 30 nV/√Hz. Each channel provides an output current of 45 mA. The component functions within a temperature range of -40°C to +85°C.
Feature Summary
- Dual operational amplifier architecture with shared bias network and power supply leads
- General-purpose design suitable for broad signal processing applications
- Operates on single or split power supplies up to 36 V total
Applications
- Audio pre-amplification stages
- Active filter circuits
- Signal conditioning modules
Procurement Notes
Verify the specific suffix 'MWC' against the official Texas Instruments datasheet to confirm package type and temperature grade. Ensure the ordering part number matches the required industrial temperature range (-40°C to +85°C) and SOIC-8 packaging specifications before finalizing procurement.
Selection Notes
Select this component when a general-purpose dual op-amp is required for moderate speed applications. It serves as a direct replacement for standard LM1558 devices in most designs. Consider the 1 MHz bandwidth and 500 mV/µs slew rate for signals requiring basic amplification without high-frequency precision requirements.
Part Context
The LM1458 belongs to the LM1458/LM1558 family of dual operational amplifiers. These devices are characterized by their internal compensation and ability to operate from a wide range of supply voltages. The LM1458 variant typically covers the industrial temperature range, while the LM1558 may cover military ranges depending on the specific manufacturer revision.
Replacement Considerations
The LM1558 is a documented substitute within the same family. Verify pinout compatibility and thermal performance differences between the LM1458MWC and potential alternatives like the TL082 or NE5532 if higher performance is needed.
