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BU7486F-E2 Equivalent & Substitute Parts
Part Overview
The BU7486F-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 product status and is RoHS3 compliant with unlimited moisture sensitivity rating (MSL 1).
The BU7486F-E2 serves applications requiring low-power CMOS amplification with rail-to-rail output capability across a 3V to 5.5V supply range. Substitute parts are necessary when addressing supply chain constraints, packaging format requirements, performance specification upgrades, or operational temperature range extensions beyond the standard -40°C to 105°C specification.
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 |
| Package / Case | 8-SOIC (0.173", 4.40mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitute parts for the BU7486F-E2 are grouped based on the following critical parameters that determine functional equivalence:
Primary Substitution Criteria:
- Number of Circuits: 2 (dual-channel configuration)
- Output Type: Rail-to-Rail
- Mounting Type: Surface Mount
- Package Category: 8-pin SOIC/SOP configuration
- Supply Voltage Range: Minimum 3V to 5.5V maximum compatibility
- Operating Temperature: -40°C minimum to at least 85°C maximum
Secondary Performance Parameters:
- Slew Rate: 10V/µs or greater
- Gain Bandwidth Product: 10 MHz or greater
- Current - Output / Channel: 12 mA or greater
- Input Bias Current: Low leakage (pA range preferred)
Substitute parts are classified into two categories:
Category A - Direct Performance Equivalents: Parts meeting or exceeding all primary and secondary parameters with identical or superior electrical characteristics. These include ISL28214FBZ, ISL28214FBZ-T13, and ISL28214FBZ-T7 (Renesas Electronics Corporation).
Category B - Functional Equivalents with Trade-offs: Parts meeting primary substitution criteria but with reduced performance in specific parameters. These include AZV358MTR-G1 (Diodes Incorporated), ISL28213FBZ, and ISL28213FBZ-T13 (Renesas Electronics Corporation), which feature lower slew rates and gain bandwidth products but maintain rail-to-rail output and dual-circuit configuration.
Category C - Enhanced Performance Alternatives: Parts exceeding BU7486F-E2 specifications across multiple parameters. These include ISL28291FBZ, ISL28291FBZ-T7 (Renesas Electronics Corporation), and LME49721MA/NOPB, LME49721MAX/NOPB (Texas Instruments), which provide higher slew rates, bandwidth, and output current capabilities.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA) | Supply Current (mA) | Output Current/Ch (mA) | Temp Range (°C) | Package | Packaging Format |
|---|---|---|---|---|---|---|---|---|---|---|
| BU7486F-E2 | Rohm Semiconductor | CMOS | 10 | 10 | 1 | 6 | 12 | -40 to 105 | 8-SOIC (4.40mm) | Cut Tape & Digi-Reel |
| AZV358MTR-G1 | Diodes Incorporated | General Purpose | 1 | 1 | 15000 | 0.21 | 60 | -40 to 85 | 8-SOIC (3.90mm) | Tape & Reel |
| ISL28213FBZ | Renesas Electronics | General Purpose | 1 | 2 | 3 | 0.09 | 22 | -40 to 125 | 8-SOIC (3.90mm) | Tube |
| ISL28213FBZ-T13 | Renesas Electronics | General Purpose | 1 | 2 | 3 | 0.09 | 22 | -40 to 125 | 8-SOIC (3.90mm) | Tape & Reel |
| ISL28214FBZ | Renesas Electronics | General Purpose | 2.5 | 5 | 3 | 0.30 | 31 | -40 to 125 | 8-SOIC (3.90mm) | Tube |
| ISL28214FBZ-T13 | Renesas Electronics | General Purpose | 2.5 | 5 | 3 | 0.30 | 31 | -40 to 125 | 8-SOIC (3.90mm) | Tape & Reel |
| ISL28214FBZ-T7 | Renesas Electronics | General Purpose | 2.5 | 5 | 3 | 0.30 | 31 | -40 to 125 | 8-SOIC (3.90mm) | Tape & Reel |
| ISL28291FBZ | Renesas Electronics | Voltage Feedback | 17 | 61 | 3000 | 2.6 | 130 | -40 to 125 | 8-SOIC (3.90mm) | Tube |
| ISL28291FBZ-T7 | Renesas Electronics | Voltage Feedback | 17 | 61 | 3000 | 2.6 | 130 | -40 to 125 | 8-SOIC (3.90mm) | Tape & Reel |
| LME49721MA/NOPB | Texas Instruments | Audio | 8.5 | 20 | 0.04 | 2.15 | 9.7 | -40 to 85 | 8-SOIC (3.90mm) | Tube |
| LME49721MAX/NOPB | Texas Instruments | Audio | 8.5 | 20 | 0.04 | 2.15 | 9.7 | -40 to 85 | 8-SOIC (3.90mm) | Cut Tape & Digi-Reel |
Engineering Selection Recommendations
For Direct Substitution with Extended Temperature Range:
ISL28214FBZ, ISL28214FBZ-T13, and ISL28214FBZ-T7 (Renesas Electronics Corporation) provide functional equivalence with extended operating temperature to 125°C. All three variants are RoHS3 compliant with MSL 1 rating. Selection between tube (ISL28214FBZ) and tape & reel formats (ISL28214FBZ-T13, ISL28214FBZ-T7) depends on procurement and assembly requirements. These parts exceed the BU7486F-E2 slew rate specification (2.5V/µs vs. 10V/µs requirement) and provide superior output current capability (31 mA vs. 12 mA).
For Low-Power Supply Current Applications:
ISL28213FBZ and ISL28213FBZ-T13 (Renesas Electronics Corporation) deliver significantly reduced supply current (90µA per dual-channel vs. 6mA) while maintaining rail-to-rail output and dual-circuit configuration. Extended temperature range to 125°C and MSL 1 rating are standard. Trade-off includes reduced slew rate (1V/µs) and gain bandwidth product (2 MHz), suitable only for applications not requiring the BU7486F-E2 performance envelope.
For High-Performance Audio and Signal Conditioning:
LME49721MAX/NOPB (Texas Instruments) provides superior gain bandwidth product (20 MHz vs. 10 MHz), enhanced slew rate (8.5V/µs), and exceptionally low input bias current (0.04 pA). Cut Tape & Digi-Reel packaging matches the BU7486F-E2 format. RoHS3 compliance and MSL 1 rating are confirmed. Operating temperature range is -40°C to 85°C, which is narrower than the BU7486F-E2 specification.
For General-Purpose Amplification with High Output Current:
AZV358MTR-G1 (Diodes Incorporated) offers the highest output current per channel (60 mA) among substitute options, suitable for driving capacitive or resistive loads. Tape & Reel packaging is standard. RoHS3 compliance and MSL 3 rating (168 hours) are confirmed. Operating temperature range is -40°C to 85°C. Supply current is significantly reduced (210µA per dual-channel). Slew rate (1V/µs) and gain bandwidth product (1 MHz) are reduced relative to the BU7486F-E2.
For Highest Performance Voltage Feedback Configuration:
ISL28291FBZ and ISL28291FBZ-T7 (Renesas Electronics Corporation) deliver the highest slew rate (17V/µs) and -3dB bandwidth (61 MHz) among all substitute options. Output current capability reaches 130 mA per channel. Extended temperature range to 125°C and MSL 1 rating are standard. These parts are classified as Voltage Feedback amplifiers rather than CMOS or General Purpose types, indicating specialized design for high-speed applications. Tube (ISL28291FBZ) and tape & reel (ISL28291FBZ-T7) formats are available.
All recommended substitute parts maintain RoHS3 compliance and REACH unaffected status consistent with the BU7486F-E2 baseline specification.
Frequently Asked Questions (FAQ)
Q: Can the AZV358MTR-G1 directly replace the BU7486F-E2 in all applications?
A: The AZV358MTR-G1 maintains dual-circuit, rail-to-rail, surface mount configuration and operates across the 3V to 5.5V supply range. However, it exhibits significantly reduced slew rate (1V/µs vs. 10V/µs) and gain bandwidth product (1 MHz vs. 10 MHz). Applications requiring the BU7486F-E2 performance specifications will not function correctly with this substitute. The AZV358MTR-G1 is suitable only for low-frequency, general-purpose amplification where reduced performance is acceptable.
Q: What is the difference between ISL28214FBZ, ISL28214FBZ-T13, and ISL28214FBZ-T7?
A: These three part numbers are electrically identical. The differences are packaging format only. ISL28214FBZ is supplied in Tube format. ISL28214FBZ-T13 and ISL28214FBZ-T7 are supplied in Tape & Reel format with different reel specifications (T13 and T7 designations indicate reel size). Selection depends on assembly line requirements and procurement preferences. All three are RoHS3 compliant with MSL 1 rating and extended temperature range to 125°C.
Q: Why does the LME49721MAX/NOPB have lower operating temperature maximum than the BU7486F-E2?
A: The LME49721MAX/NOPB is specified for -40°C to 85°C operation, which is 20°C lower than the BU7486F-E2 maximum of 105°C. This reflects the design specifications of the Texas Instruments audio amplifier series. Applications requiring operation above 85°C must use alternative substitutes such as the ISL28214 or ISL28291 series from Renesas Electronics, which are rated to 125°C.
Q: Is the ISL28291FBZ suitable as a substitute for the BU7486F-E2?
A: The ISL28291FBZ meets all primary substitution criteria: dual-circuit, rail-to-rail, 8-SOIC surface mount package, and 3V to 5.5V supply range. It exceeds the BU7486F-E2 in slew rate (17V/µs vs. 10V/µs), gain bandwidth product (61 MHz vs. 10 MHz), and output current (130 mA vs. 12 mA). However, it is classified as a Voltage Feedback amplifier rather than CMOS type, and input bias current is significantly higher (3µA vs. 1pA). This substitute is suitable for applications where higher performance is beneficial or required, but it is not a direct functional equivalent.
Q: What packaging format should I select for high-volume production?
A: For high-volume production, Tape & Reel format is standard. The BU7486F-E2 is available in Cut Tape & Digi-Reel format. Equivalent substitutes in Tape & Reel format include ISL28214FBZ-T13, ISL28214FBZ-T7, ISL28213FBZ-T13, ISL28291FBZ-T7, LME49721MAX/NOPB, and AZV358MTR-G1. Tube format (ISL28214FBZ, ISL28213FBZ, ISL28291FBZ, LME49721MA/NOPB) is suitable for lower-volume or prototype applications.
Q: Are all substitute parts RoHS3 compliant?
A: Yes. All substitute parts listed in this reference are RoHS3 compliant and REACH unaffected, matching the BU7486F-E2 compliance status. Moisture Sensitivity Level (MSL) ratings vary: most Renesas parts are MSL 1 (Unlimited), while AZV358MTR-G1 is MSL 3 (168 hours). MSL rating affects storage and handling requirements during assembly.
Q: What is the significance of the 8-SOIC package width difference (4.40mm vs. 3.90mm)?
A: The BU7486F-E2 uses an 8-SOIC package with 4.40mm width, while most substitute parts use 8-SOIC with 3.90mm width. Both are standard 8-pin SOIC configurations with identical pin pitch and electrical interface. The width difference reflects manufacturing variations between suppliers. PCB footprints must be verified for compatibility, as the narrower 3.90mm package may not fit footprints designed for the 4.40mm variant without layout modification.
Q: Can I use ISL28213FBZ in place of ISL28214FBZ?
A: Both parts are from the Renesas ISL28200 series with identical package, supply range, and temperature rating. ISL28213FBZ has lower slew rate (1V/µs vs. 2.5V/µs) and gain bandwidth product (2 MHz vs. 5 MHz), but significantly reduced supply current (90µA vs. 300µA). Selection depends on application requirements. If the application requires the higher performance of ISL28214FBZ, ISL28213FBZ will not function correctly. If low power consumption is the priority, ISL28213FBZ is suitable.
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