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KA1458D Equivalent & Substitute Parts
Part Overview
The KA1458D is a general purpose operational amplifier integrated circuit manufactured by onsemi, configured as a dual-channel amplifier in an 8-SOIC surface mount package. This device is classified as obsolete, indicating it is no longer in active production. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure component availability, and support ongoing production requirements for applications utilizing this amplifier topology.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | KA1458D |
| Manufacturer | onsemi |
| Category | Linear, Amplifiers |
| Amplifier Type | General Purpose |
| Number of Circuits | 2 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Slew Rate | 0.5V/µs |
| 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 |
| Product Status | Obsolete |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
| REACH Status | REACH Unaffected |
Substitute Part Grouping Explanation
Substitution of the KA1458D is determined by the following critical parameters:
Package Compatibility: The KA1458D utilizes an 8-SOIC surface mount package with 0.154" (3.90mm) width. Substitute parts must maintain identical or functionally equivalent package dimensions to ensure PCB layout compatibility without redesign.
Circuit Configuration: The device contains 2 operational amplifier circuits. Substitute parts must provide dual-channel amplifier functionality to maintain circuit topology.
Electrical Operating Range: The KA1458D operates with a 36V supply span and temperature range of 0°C to 70°C. Substitute parts with wider supply voltage ranges (10V to 36V or 6V to 40V) and extended temperature ranges (-40°C to 85°C or -55°C to 125°C) are electrically compatible and provide enhanced operational flexibility.
Amplifier Classification: The KA1458D is classified as a general purpose amplifier. Substitute parts may include general purpose amplifiers or audio-grade amplifiers, as both classifications support the functional requirements of general purpose applications.
Compliance and Status: Active product status and RoHS3 compliance are preferred for new designs and ongoing production support, though obsolete parts with equivalent electrical characteristics remain functionally valid.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | Input Bias (nA) | Input Offset (mV) | Supply Current (mA) | Output Current (mA) | Supply Span Min (V) | Supply Span Max (V) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| KA1458D | onsemi | General Purpose | 0.5 | 80 | 2 | 2.3 | 20 | 36 | 36 | 0 ~ 70 | 8-SOIC (3.90mm) | Obsolete |
| LM833DR2G | onsemi | Audio | 7 | 300 | 0.3 | 4 | 29 | 10 | 36 | -40 ~ 85 | 8-SOIC (3.90mm) | Active |
| MC33078DR2G | onsemi | General Purpose | 7 | 300 | 0.15 | 4.1 | 37 | 10 | 36 | -40 ~ 85 | 8-SOIC (3.90mm) | Active |
| SE5532AD8R2G | onsemi | General Purpose | 9 | 300 | 0.5 | 8 | 38 | 6 | 40 | -55 ~ 125 | 8-SOIC (3.90mm) | Active |
| BA4558F-E2 | Rohm Semiconductor | General Purpose | 1.2 | 60 | 0.5 | — | 10 | 8 | 30 | -40 ~ 85 | 8-SOP (4.40mm) | Active |
| BA4558RF-E2 | Rohm Semiconductor | General Purpose | 1 | 60 | 0.5 | 3 | 10 | 8 | 30 | -40 ~ 105 | 8-SOP (4.40mm) | Active |
| BA4560F-E1 | Rohm Semiconductor | General Purpose | 4 | 50 | 0.5 | — | 25 | 8 | 30 | -40 ~ 85 | 8-SOP (4.40mm) | Active |
| BA4560F-E2 | Rohm Semiconductor | General Purpose | 4 | 50 | 0.5 | — | 25 | 8 | 30 | -40 ~ 85 | 8-SOP (4.40mm) | Active |
| BA4560RF-E2 | Rohm Semiconductor | General Purpose | 4 | 50 | 0.5 | 3 | 25 | 8 | 30 | -40 ~ 105 | 8-SOP (4.40mm) | Active |
| LF353D | onsemi | J-FET | 13 | 0.05 | 5 | 3.6 | 40 | 7 | 36 | 0 ~ 70 | 8-SOIC (3.90mm) | Obsolete |
| LM1458M/NOPB | Texas Instruments | General Purpose | 0.5 | 200 | 1 | 3 | — | 36 | 36 | 0 ~ 70 | 8-SOIC (3.90mm) | Active |
Engineering Selection Recommendations
Primary Substitutes (Identical Package, Active Status):
The MC33078DR2G and LM833DR2G represent the most direct substitutes for the KA1458D. Both devices maintain the 8-SOIC (3.90mm) package format, ensuring PCB compatibility without layout modification. MC33078DR2G is classified as general purpose amplifier with active product status and RoHS3 compliance, providing enhanced electrical performance with 7V/µs slew rate and extended operating temperature range (-40°C to 85°C). LM833DR2G offers audio-grade amplification with similar package compatibility and active status.
Extended Range Substitutes (Identical Package, Enhanced Specifications):
The SE5532AD8R2G maintains 8-SOIC package compatibility while providing the widest supply voltage range (6V to 40V) and highest operating temperature range (-55°C to 125°C). This device is suitable for applications requiring extended environmental performance. All three onsemi substitutes carry RoHS3 compliance and active product status.
Alternative Package Substitutes (Rohm Semiconductor):
The BA4558 and BA4560 series from Rohm Semiconductor provide general purpose amplification in 8-SOP packages with 4.40mm width. These devices require PCB layout modification due to package width difference but offer active product status and RoHS3 compliance. BA4560 variants provide higher output current capability (25mA per channel) compared to the KA1458D (20mA per channel).
Functional Equivalent (Obsolete Status):
The LM1458M/NOPB from Texas Instruments matches the KA1458D electrical characteristics (0.5V/µs slew rate, 36V supply span, 0°C to 70°C operating range) and maintains identical 8-SOIC package format. This device carries active product status and RoHS3 compliance, making it suitable for direct replacement in existing designs.
Specialized Alternative (J-FET Technology):
The LF353D provides J-FET amplifier technology with significantly lower input bias current (50pA versus 80nA) and higher slew rate (13V/µs). This device is classified as obsolete and RoHS non-compliant, limiting its application to legacy designs or specialized low-bias-current requirements.
Frequently Asked Questions (FAQ)
Q: Can the MC33078DR2G directly replace the KA1458D without PCB modification?
A: Yes. The MC33078DR2G maintains identical 8-SOIC package dimensions (0.154" width, 3.90mm) and pinout compatibility. No PCB layout changes are required. The device provides enhanced electrical performance with 7V/µs slew rate and extended temperature range (-40°C to 85°C).
Q: What is the primary difference between the KA1458D and LM1458M/NOPB?
A: Both devices share identical electrical specifications (0.5V/µs slew rate, 36V supply span, 0°C to 70°C operating range) and 8-SOIC package format. The primary difference is manufacturer (onsemi versus Texas Instruments) and product status (obsolete versus active). The LM1458M/NOPB is actively produced and RoHS3 compliant.
Q: Why do the Rohm Semiconductor BA4558 and BA4560 series require PCB modification?
A: These devices utilize 8-SOP packages with 4.40mm width, compared to the KA1458D 8-SOIC package with 3.90mm width. The 0.50mm width difference requires PCB footprint redesign. Pin spacing and functional pinout remain compatible.
Q: Is the SE5532AD8R2G suitable for applications requiring extended temperature operation?
A: Yes. The SE5532AD8R2G operates across -55°C to 125°C, providing the widest temperature range among available substitutes. It maintains 8-SOIC package compatibility and supports supply voltages from 6V to 40V, exceeding the KA1458D specifications.
Q: What compliance certifications should be verified for new production designs?
A: RoHS3 compliance and REACH unaffected status are standard for active substitute parts. The MC33078DR2G, LM833DR2G, SE5532AD8R2G, and all Rohm Semiconductor BA series variants carry these certifications. The LF353D is RoHS non-compliant and unsuitable for new designs subject to RoHS requirements.
Q: Can the LF353D replace the KA1458D in low-bias-current applications?
A: The LF353D provides J-FET amplifier technology with 50pA input bias current, substantially lower than the KA1458D (80nA). However, this device is obsolete and RoHS non-compliant. For low-bias-current requirements in new designs, alternative active J-FET amplifiers should be evaluated.
Q: What is the impact of higher slew rate in substitute parts?
A: Substitute parts with higher slew rates (7V/µs to 13V/µs versus 0.5V/µs) provide faster signal response and reduced distortion in high-frequency applications. This represents an enhancement over the KA1458D and does not create compatibility issues in existing designs.
Q: Are there supply voltage limitations when substituting the KA1458D?
A: The KA1458D operates at fixed 36V supply span. Substitute parts with wider ranges (10V to 36V or 6V to 40V) provide design flexibility but do not restrict operation at 36V. Applications requiring lower supply voltages benefit from substitutes with minimum supply specifications below 36V.
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