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Product Detailed Parameters
- Description：IC OPAMP GP 2 CIRCUIT 8SOIC
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Amplifier Type：General Purpose
- Number of Circuits：2
- Output Type：-
- Slew Rate：0.5V/µs
- Gain Bandwidth Product：-
- Current - Input Bias：80 nA
- Voltage - Input Offset：2 mV
- Current - Supply：2.3mA (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 LM1458CMX is a dual general-purpose operational amplifier manufactured by Fairchild Semiconductor, now part of onsemi. It features internal frequency compensation and short-circuit protection without requiring external components. The device operates within a supply voltage range of ±6V to ±18V (total 12V to 36V). Key electrical characteristics include a typical input offset voltage of 2.0mV, an input bias current of 80nA, and a large signal voltage gain of 200V/mV. The package is an 8-SOP.
Feature Summary
- Internal frequency compensation eliminates the need for external components
- Short circuit protection ensures robust operation under fault conditions
- High common mode voltage range with no latch-up behavior
- Low power consumption suitable for various applications
Applications
- Voltage followers
- Integrator circuits
- Summing amplifiers
- General feedback applications
Procurement Notes
Verify that the ordering suffix 'MX' corresponds to the 8-SOP package as documented in the Fairchild datasheet. Confirm the manufacturer origin is Fairchild Semiconductor or its successor entity. Ensure the component meets the specified operating temperature range of 0°C to +70°C. Cross-reference the part number against official distributor catalogs to confirm availability and authenticity.
Selection Notes
Select this component for dual-channel applications requiring high gain and wide operating voltage ranges. It is suitable for single-supply systems where the input common-mode voltage includes ground. Consider the 8-SOP package for surface-mount designs. Evaluate the 2.0mV typical input offset voltage and 80nA input bias current against specific circuit requirements.
Part Context
The LM1458 series consists of two independent, high-gain, internally frequency-compensated operational amplifiers. Designed for single power supply operation over a wide voltage range, it offers low power drain independent of supply voltage magnitude. The device provides superior performance in integrator and summing amplifier configurations due to its high gain and wide operating voltage range.
Replacement Considerations
LM1458CN
FAQ
Does the LM1458CMX require external components for frequency compensation?
No, the LM1458CMX has internal frequency compensation and does not require external components.
What is the maximum power supply voltage for the LM1458CMX?
The absolute maximum power supply voltage is ±18V.
