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BU7486SF-E2 Equivalent & Substitute Parts
Part Overview
The BU7486SF-E2 is a CMOS amplifier integrated circuit manufactured by Rohm Semiconductor, configured as a 2-circuit rail-to-rail operational amplifier in an 8-SOP surface mount package. This device is classified as active and in production, with 3267 units currently in stock. The BU7486SF-E2 is designed for general-purpose amplification applications requiring low input bias current and moderate bandwidth performance within a compact form factor.
Substitute parts are identified when equivalent electrical performance can be achieved within the specified parameter ranges while maintaining compatibility with the 8-SOIC/8-SOP package family and surface mount assembly requirements.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | CMOS | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 10 | V/µs |
| Gain Bandwidth Product | 10 | MHz |
| Current - Input Bias | 1 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply | 6 | mA |
| Current - Output / Channel | 12 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 105 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 8-SOIC (0.173", 4.40mm Width) | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the BU7486SF-E2 are selected based on the following critical parameters:
Primary Substitution Criteria:
- Number of circuits: 2 (dual-channel configuration)
- Output type: Rail-to-rail operation
- Package compatibility: 8-SOIC or 8-SOP surface mount packages
- Supply voltage range: Minimum 3 V to maximum 5.5 V overlap
- Operating temperature range: Minimum -40°C coverage
- Surface mount assembly compatibility
Secondary Performance Parameters:
- Slew rate: 10 V/µs (BU7486SF-E2 baseline)
- Gain bandwidth product: 10 MHz (BU7486SF-E2 baseline)
- Input bias current: 1 pA (BU7486SF-E2 baseline)
- Output current per channel: 12 mA (BU7486SF-E2 baseline)
Substitute parts may exhibit variations in slew rate, gain bandwidth product, and input bias current while maintaining functional equivalence within the specified supply voltage and temperature operating ranges. All substitute parts maintain ROHS3 compliance and MSL 1 rating.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Circuits | Output Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|
| BU7486SF-E2 | Rohm Semiconductor | CMOS | 2 | Rail-to-Rail | 10 | 10 | 1 | 3 | 5.5 | -40 to 105 | 8-SOIC (4.40mm) |
| ISL28213FBZ | Renesas Electronics | General Purpose | 2 | Rail-to-Rail | 1 | 2 | 3 | 1.8 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
| ISL28214FBZ | Renesas Electronics | General Purpose | 2 | Rail-to-Rail | 2.5 | 5 | 3 | 1.8 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
| LME49721MA/NOPB | Texas Instruments | Audio | 2 | Rail-to-Rail | 8.5 | 20 | 0.04 | 2.2 | 5.5 | -40 to 85 | 8-SOIC (3.90mm) |
| LME49721MAX/NOPB | Texas Instruments | Audio | 2 | Rail-to-Rail | 8.5 | 20 | 0.04 | 2.2 | 5.5 | -40 to 85 | 8-SOIC (3.90mm) |
| LMP2012MA/NOPB | Texas Instruments | General Purpose | 2 | Rail-to-Rail | 4 | 3 | 3 | 2.7 | 5.25 | -40 to 125 | 8-SOIC (3.90mm) |
| LMP2232AMAE/NOPB | Texas Instruments | General Purpose | 2 | Differential, Rail-to-Rail | 0.048 | 0.13 | 0.02 | 1.6 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
| LMP2232BMA/NOPB | Texas Instruments | General Purpose | 2 | Differential, Rail-to-Rail | 0.048 | 0.13 | 0.02 | 1.6 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
| LMP2232BMAE/NOPB | Texas Instruments | General Purpose | 2 | Differential, Rail-to-Rail | 0.048 | 0.13 | 0.02 | 1.6 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
| LMP7718MAE/NOPB | Texas Instruments | General Purpose | 2 | Rail-to-Rail | 11.5 | 88 | 0.1 | 2 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
| LMP7732MA/NOPB | Texas Instruments | General Purpose | 2 | Rail-to-Rail | 2.4 | 22 | 14 | 1.8 | 5.5 | -40 to 125 | 8-SOIC (3.90mm) |
Engineering Selection Recommendations
Direct Substitutes (Highest Compatibility):
The LME49721MA/NOPB and LME49721MAX/NOPB from Texas Instruments provide the closest performance match to the BU7486SF-E2 in terms of slew rate (8.5 V/µs versus 10 V/µs) and gain bandwidth product (20 MHz versus 10 MHz). Both devices maintain rail-to-rail output configuration, dual-circuit architecture, and 8-SOIC package compatibility. These parts are ROHS3 compliant with MSL 1 rating. The primary limitation is the reduced maximum operating temperature (85°C versus 105°C for the BU7486SF-E2).
General Purpose Alternatives (Functional Equivalence):
The ISL28214FBZ from Renesas Electronics and LMP2012MA/NOPB from Texas Instruments function as general-purpose dual-channel rail-to-rail amplifiers with 8-SOIC packaging. Both support the full 5.5 V maximum supply voltage and extend operating temperature to 125°C. The ISL28214FBZ provides moderate slew rate (2.5 V/µs) and 5 MHz gain bandwidth product. The LMP2012MA/NOPB offers 4 V/µs slew rate and 3 MHz gain bandwidth product. These alternatives are suitable for applications where the BU7486SF-E2 performance envelope is not fully utilized.
High-Performance Alternatives:
The LMP7718MAE/NOPB delivers enhanced performance with 11.5 V/µs slew rate and 88 MHz gain bandwidth product, exceeding BU7486SF-E2 specifications. This device maintains rail-to-rail output and dual-circuit configuration with extended temperature range (-40°C to 125°C). The LMP7732MA/NOPB provides 22 MHz gain bandwidth product with 2.4 V/µs slew rate and extended temperature coverage.
Compliance and Certification:
All substitute parts listed maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard surface mount assembly processes and environmental regulations.
Frequently Asked Questions (FAQ)
Q: Can the ISL28213FBZ replace the BU7486SF-E2 in all applications?
A: The ISL28213FBZ is a functional substitute with dual-channel rail-to-rail configuration and 8-SOIC packaging. However, it exhibits lower slew rate (1 V/µs versus 10 V/µs) and reduced gain bandwidth product (2 MHz versus 10 MHz). Applications requiring the full performance envelope of the BU7486SF-E2 should use higher-performance alternatives such as the LMP7718MAE/NOPB.
Q: What is the difference between 8-SOIC (3.90mm) and 8-SOIC (4.40mm) packages?
A: The package width dimension differs between the BU7486SF-E2 (4.40mm) and most substitute parts (3.90mm). Both are 8-pin SOIC surface mount packages with identical pin pitch and electrical connectivity. PCB layout and pick-and-place equipment must accommodate the specific package width. Verify footprint compatibility before assembly.
Q: Are the LMP2232 series parts suitable replacements for the BU7486SF-E2?
A: The LMP2232AMAE/NOPB, LMP2232BMA/NOPB, and LMP2232BMAE/NOPB feature differential output configuration rather than standard rail-to-rail output. These parts are optimized for precision instrumentation applications with extremely low slew rate (0.048 V/µs) and minimal gain bandwidth product (130 kHz). They are not recommended as direct substitutes for general-purpose amplification requiring the BU7486SF-E2 performance characteristics.
Q: Which substitute part offers the best temperature range coverage?
A: Multiple substitute parts extend operating temperature to 125°C, including ISL28213FBZ, ISL28214FBZ, LMP2012MA/NOPB, LMP2232 series, LMP7718MAE/NOPB, and LMP7732MA/NOPB. The BU7486SF-E2 operates to 105°C. Applications requiring operation above 105°C should select from these extended-range alternatives.
Q: Is the LME49721MAX/NOPB identical to the LME49721MA/NOPB?
A: Both parts share identical electrical specifications, slew rate (8.5 V/µs), gain bandwidth product (20 MHz), and 8-SOIC packaging. The primary difference is packaging format: LME49721MA/NOPB is supplied in Tube, while LME49721MAX/NOPB is supplied in Cut Tape (CT) & Digi-Reel®. Electrical performance and pin configuration are equivalent.
Q: Can I use the LMP7718MAE/NOPB as a direct replacement for higher-speed applications?
A: The LMP7718MAE/NOPB provides enhanced slew rate (11.5 V/µs) and significantly higher gain bandwidth product (88 MHz) compared to the BU7486SF-E2 (10 V/µs and 10 MHz). This device is suitable for applications requiring improved frequency response and transient performance. Verify that circuit design accommodates the higher bandwidth to avoid stability issues.
Q: What supply voltage range is common across all substitute parts?
A: All substitute parts support the 5.5 V maximum supply voltage of the BU7486SF-E2. Minimum supply voltage varies: the BU7486SF-E2 requires 3 V minimum, while several substitutes operate at lower minimum voltages (1.6 V to 2.7 V). Verify that the selected substitute meets the minimum supply voltage requirement of your application.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental and regulatory compliance of the BU7486SF-E2.
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