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LM6142BIMX Equivalent & Substitute Parts
Part Overview
The LM6142BIMX is a general purpose operational amplifier featuring dual circuits with rail-to-rail output capability in an 8-SOIC surface mount package. This device is classified as obsolete, which necessitates identification of equivalent substitute components for ongoing design support and procurement continuity. The LM6142BIMX operates across a wide supply voltage range of 1.8 V to 24 V and is suitable for applications requiring low input bias current and moderate bandwidth performance.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Amplifier Type | General Purpose |
| Number of Circuits | 2 |
| Output Type | Rail-to-Rail |
| Slew Rate | 25 V/µs |
| Gain Bandwidth Product | 18 MHz |
| Current - Input Bias | 174 nA |
| Voltage - Input Offset | 1.3 mV |
| Current - Supply (x2 Channels) | 750 µA |
| Current - Output / Channel | 24 mA |
| Voltage - Supply Span (Min) | 1.8 V |
| Voltage - Supply Span (Max) | 24 V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution of the LM6142BIMX is determined by strict equivalence across the following critical parameters:
- Amplifier Type: General Purpose
- Number of Circuits: 2 (dual configuration)
- Output Type: Rail-to-Rail
- Slew Rate: 25 V/µs
- Gain Bandwidth Product: 18 MHz
- Current - Input Bias: 174 nA
- Voltage - Input Offset: 1.3 mV
- Current - Supply: 750 µA (x2 Channels)
- Current - Output / Channel: 24 mA
- Voltage - Supply Span: 1.8 V to 24 V
- Operating Temperature Range: -40°C ~ 85°C (TA)
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: 1 (Unlimited)
Only components meeting all specified parameters are classified as direct substitutes. The LM6142BIMX/NOPB variant is identified as a direct equivalent, differing only in product status classification.
Parameter Comparison
| Parameter | LM6142BIMX | LM6142BIMX/NOPB |
|---|---|---|
| Manufacturer | Texas Instruments | Texas Instruments |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 25 V/µs | 25 V/µs |
| Gain Bandwidth Product | 18 MHz | 18 MHz |
| Current - Input Bias | 174 nA | 174 nA |
| Voltage - Input Offset | 1.3 mV | 1.3 mV |
| Current - Supply (x2 Channels) | 750 µA | 750 µA |
| Current - Output / Channel | 24 mA | 24 mA |
| Voltage - Supply Span (Min) | 1.8 V | 1.8 V |
| Voltage - Supply Span (Max) | 24 V | 24 V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount | Surface Mount |
| Product Status | Obsolete | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
The LM6142BIMX/NOPB is the direct substitute for the obsolete LM6142BIMX. Both components are manufactured by Texas Instruments and maintain identical electrical and mechanical specifications across all critical parameters. The primary distinction is product status: the LM6142BIMX is classified as obsolete, while the LM6142BIMX/NOPB maintains active status with current manufacturing support.
Both variants are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity classification, indicating equivalent environmental handling requirements. The LM6142BIMX/NOPB is the recommended selection for new designs and ongoing procurement due to its active product status and confirmed inventory availability.
Frequently Asked Questions (FAQ)
Q: Can the LM6142BIMX/NOPB be used as a direct replacement for the LM6142BIMX?
A: Yes. The LM6142BIMX/NOPB is electrically and mechanically identical to the LM6142BIMX. All electrical parameters, including slew rate, gain bandwidth product, input bias current, and supply voltage range, are equivalent. The 8-SOIC package dimensions and pinout are identical, enabling direct board-level substitution.
Q: What is the significance of the "/NOPB" designation?
A: The "/NOPB" suffix indicates a packaging variant without lead (Pb) content, consistent with ROHS3 compliance requirements. This designation does not affect electrical performance or functional compatibility.
Q: Are there any differences in operating temperature range between these parts?
A: No. Both the LM6142BIMX and LM6142BIMX/NOPB operate across the identical temperature range of -40°C to 85°C (TA).
Q: What is the moisture sensitivity level for these components?
A: Both components carry MSL Level 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.
Q: Can these components be used in applications requiring rail-to-rail output?
A: Yes. Both the LM6142BIMX and LM6142BIMX/NOPB feature rail-to-rail output capability, enabling output voltage swing to both supply rails within the specified 1.8 V to 24 V supply range.
Q: What is the supply current consumption for dual-channel operation?
A: The total supply current for both channels is 750 µA, with each channel consuming 375 µA under typical operating conditions.
Q: Are these components suitable for low-voltage applications?
A: Yes. Both components support minimum supply voltage of 1.8 V, enabling operation in low-voltage battery-powered and portable applications.
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