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MUSES8820D Equivalent & Substitute Parts
Part Overview
The MUSES8820D is a dual-channel audio amplifier integrated circuit manufactured by Nisshinbo Micro Devices Inc., housed in an 8-DIP through-hole package. This linear amplifier is designed for audio signal processing applications requiring moderate gain-bandwidth performance and low input offset voltage. The device is currently in active production status with 2945 units in stock.
Substitute parts are necessary when the MUSES8820D becomes unavailable, when alternative sourcing is required for supply chain optimization, or when design flexibility permits selection from equivalent amplifier topologies. Substitution must maintain compatibility across electrical performance parameters, package form factor, and operating specifications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | Audio | — |
| Number of Circuits | 2 | — |
| Slew Rate | 5 | V/µs |
| Gain Bandwidth Product | 11 | MHz |
| Current - Input Bias | 100 | nA |
| Voltage - Input Offset | 300 | µV |
| Current - Supply | 8 | mA |
| Current - Output / Channel | 50 | mA |
| Voltage - Supply Span (Min) | 7 | V |
| Voltage - Supply Span (Max) | 32 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Package / Case | 8-DIP (0.300", 7.62mm) | — |
| Mounting Type | Through Hole | — |
| RoHS Status | RoHS Compliant | — |
Substitute Part Grouping Explanation
Substitution of the MUSES8820D is determined by the following critical parameters:
Package Compatibility: All substitute parts must use the 8-DIP (0.300", 7.62mm) through-hole package to ensure direct PCB compatibility without layout modifications.
Dual-Channel Configuration: The MUSES8820D contains 2 circuits. Substitute parts must maintain this dual-channel architecture.
Supply Voltage Range: The MUSES8820D operates across 7V to 32V. Substitute parts must support this range or a compatible subset that covers the application's supply voltage requirements.
Electrical Performance Envelope: Substitute parts are grouped by amplifier topology (Audio, J-FET, or General Purpose) and must demonstrate comparable performance in slew rate, gain-bandwidth product, input bias current, and output current capability to maintain functional equivalence in audio signal processing applications.
Compliance Requirements: All substitute parts must maintain RoHS compliance and REACH unaffected status to satisfy regulatory and procurement requirements.
Substitute parts are organized into three functional categories: J-FET amplifiers (AD648JNZ, AD648KNZ, AD712KNZ, AD746JNZ, LF353N/NOPB, LF353P, LF412ACN/NOPB, LF412CN/NOPB) and General Purpose amplifiers (AD706JNZ, AD708JNZ). J-FET topologies offer lower input bias current; General Purpose topologies provide alternative performance characteristics.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (MHz) | Input Bias (pA/nA) | Input Offset (µV/mV) | Supply Current (mA/µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MUSES8820D | Nisshinbo | Audio | 5 | 11 | 100 nA | 300 | 8 | 50 | 7 | 32 | -40 to 85 | 8-DIP |
| AD648JNZ | Analog Devices | J-FET | 1.8 | 1 | 5 pA | 750 | 0.34 | 15 | 9 | 36 | 0 to 70 | 8-DIP |
| AD648KNZ | Analog Devices | J-FET | 1.8 | 1 | 3 pA | 300 | 0.34 | 15 | 9 | 36 | 0 to 70 | 8-DIP |
| AD706JNZ | Analog Devices | General Purpose | 0.15 | 0.8 | 50 pA | 30 | 0.75 | 15 | 4 | 36 | 0 to 70 | 8-DIP |
| AD708JNZ | Analog Devices | General Purpose | 0.3 | 0.9 | 1 nA | 30 | 4.5 | — | 6 | 36 | 0 to 70 | 8-DIP |
| AD712KNZ | Analog Devices | J-FET | 20 | — | 25 pA | 300 | 5 | 25 | 9 | 36 | 0 to 70 | 8-DIP |
| AD746JNZ | Analog Devices | J-FET | 75 | 13 | 110 pA | 300 | 7 | 25 | 9 | 36 | 0 to 70 | 8-DIP |
| LF353N/NOPB | Texas Instruments | J-FET | 13 | 4 | 50 pA | 5 mV | 3.6 | 40 | 10 | 36 | 0 to 70 | 8-DIP |
| LF353P | Texas Instruments | J-FET | 13 | 3 | 50 pA | 5 mV | 3.6 | 40 | 7 | 36 | 0 to 70 | 8-DIP |
| LF412ACN/NOPB | Texas Instruments | J-FET | 15 | 4 | 50 pA | 500 | 3.6 | — | 10 | 44 | 0 to 70 | 8-DIP |
| LF412CN/NOPB | Texas Instruments | J-FET | 15 | 4 | 50 pA | 1 mV | 3.6 | — | 10 | 40 | 0 to 70 | 8-DIP |
Engineering Selection Recommendations
Primary Substitutes for Direct Replacement:
LF353P and LF353N/NOPB (Texas Instruments) are the closest functional equivalents to the MUSES8820D. Both devices feature J-FET input topology, dual-channel configuration, 8-DIP package, and supply voltage ranges compatible with the original specification (7V minimum for LF353P, 10V minimum for LF353N/NOPB). Both are ROHS3 compliant with unlimited moisture sensitivity rating, providing superior long-term reliability compared to the MUSES8820D's MSL-2 rating.
Secondary Substitutes for Performance-Specific Applications:
AD746JNZ (Analog Devices) provides higher slew rate (75V/µs) and gain-bandwidth product (13 MHz) compared to the MUSES8820D (5V/µs, 11 MHz), suitable for applications requiring enhanced transient response. AD712KNZ offers intermediate performance (20V/µs slew rate) with lower supply current (5mA) than the MUSES8820D (8mA).
LF412ACN/NOPB and LF412CN/NOPB (Texas Instruments) support extended supply voltage to 44V and 40V respectively, accommodating higher-voltage system designs while maintaining comparable slew rate (15V/µs) and gain-bandwidth product (4 MHz).
Compliance Verification:
All substitute parts listed maintain RoHS3 compliance and REACH unaffected status. The MUSES8820D is RoHS compliant (RoHS2 equivalent). Substitutes with ROHS3 certification exceed the original compliance requirement.
Temperature Range Consideration:
The MUSES8820D operates across -40°C to 85°C. All listed substitutes operate across 0°C to 70°C, representing a narrower temperature range. Applications requiring operation below 0°C or above 70°C must retain the MUSES8820D or identify alternative parts with extended temperature specifications.
Frequently Asked Questions (FAQ)
Q: Can I directly replace MUSES8820D with LF353P without PCB modifications?
A: Yes. Both devices use the 8-DIP (0.300", 7.62mm) through-hole package with identical pin spacing and configuration. No PCB layout changes are required. Verify that your supply voltage meets LF353P's 7V minimum requirement.
Q: What is the primary difference between AD648JNZ and AD648KNZ?
A: Both are J-FET dual-channel amplifiers in 8-DIP packages. AD648KNZ features lower input bias current (3 pA vs. 5 pA) and lower input offset voltage (300 µV vs. 750 µV), providing superior precision for low-noise applications. Both share identical slew rate (1.8V/µs) and gain-bandwidth product (1 MHz).
Q: Is the MUSES8820D's extended temperature range (-40°C to 85°C) critical for my application?
A: If your application operates within 0°C to 70°C, all listed substitutes are suitable. If operation below 0°C or above 70°C is required, the MUSES8820D must be retained or alternative parts with extended temperature ratings must be sourced.
Q: Why do some substitutes have lower supply current than the MUSES8820D?
A: Supply current varies by amplifier topology and design. J-FET input amplifiers (AD648, AD712, AD746, LF353, LF412 series) typically consume less supply current than audio-optimized designs. Lower supply current reduces power dissipation and heat generation, beneficial for battery-powered or thermally constrained applications.
Q: Can I use AD706JNZ or AD708JNZ as substitutes?
A: These General Purpose amplifiers are functionally compatible in 8-DIP packages with dual-channel configuration. However, both exhibit significantly lower slew rate (0.15V/µs and 0.3V/µs respectively) and gain-bandwidth product (0.8 MHz and 0.9 MHz) compared to the MUSES8820D (5V/µs, 11 MHz). Use only if your application does not require the MUSES8820D's higher-frequency performance.
Q: What does RoHS3 compliance mean compared to RoHS compliance?
A: RoHS3 (Directive 2015/863/EU) is the current European Union restriction of hazardous substances standard, superseding earlier RoHS2 requirements. RoHS3 compliance indicates the part meets current regulatory requirements and is suitable for new designs. The MUSES8820D's RoHS compliance (RoHS2 equivalent) is acceptable but does not meet the latest RoHS3 standard.
Q: Which substitute offers the best balance of performance and availability?
A: LF412ACN/NOPB (Texas Instruments) provides 58,746 units in stock with J-FET topology, 15V/µs slew rate, 4 MHz gain-bandwidth product, and extended supply voltage range (10V to 44V). This part balances performance, availability, and design flexibility for most audio amplifier applications.
Q: Are there pin-compatibility issues between MUSES8820D and the listed substitutes?
A: All listed substitutes use standard 8-DIP dual-channel operational amplifier pinout. Pin assignments are identical across all parts. No pin-level modifications are required for direct substitution.
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