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AS358AMTR-E1 Equivalent & Substitute Parts
Part Overview
The AS358AMTR-E1 is a general purpose operational amplifier manufactured by Diodes Incorporated, configured as a dual-channel (2 circuit) device in an 8-SOIC surface mount package. This component is classified as Active product status and is ROHS3 compliant. The AS358AMTR-E1 operates across a wide supply voltage range of 3V to 36V and maintains performance across the industrial temperature range of -40°C to 85°C. Equivalent and substitute parts are necessary when the primary part becomes unavailable, when alternative packaging formats are required, or when design specifications demand enhanced performance characteristics within compatible electrical parameters.
Substiute Parts
Key Parameters
| Parameter | AS358AMTR-E1 Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Current - Input Bias | 20 | nA |
| Voltage - Input Offset | 2 | mV |
| Current - Supply | 700 (x2 Channels) | µA |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 3 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
| Product Status | Active | — |
Substitute Part Grouping Explanation
Substitution of the AS358AMTR-E1 is determined by strict adherence to the following electrical and mechanical parameters:
Primary Substitution Criteria:
- Amplifier Type: General Purpose
- Number of Circuits: 2 (dual-channel configuration)
- Voltage Supply Range: Minimum 3V, Maximum 36V (or higher)
- Operating Temperature Range: Must encompass -40°C to 85°C or extend beyond
- Current Output per Channel: Minimum 40 mA
- Package Type: 8-SOIC or 8-SOP surface mount configurations
- RoHS Compliance: ROHS3 Compliant
Secondary Compatibility Parameters:
- Current - Input Bias: 20 nA (reference value; substitutes may vary)
- Voltage - Input Offset: 2 mV (reference value; substitutes may vary)
- Current - Supply: 700µA per channel (reference value; substitutes may vary)
- Moisture Sensitivity Level: 1 (Unlimited) preferred for equivalent performance
Substitute parts must maintain dual-channel architecture and surface mount configuration. Parts with extended temperature ranges, enhanced slew rates, or improved gain bandwidth products are acceptable substitutes provided they meet minimum electrical requirements and maintain compatibility with the 8-SOIC/8-SOP package footprint.
Parameter Comparison
| Parameter | AS358AMTR-E1 | BA3472YF-CGE2 | BA3472YF-LBH2 | LM358ADR | LM358ADRG4 | LM358ADT | LM358DT | LM358YDT | MC33272ADR2G | NCV33072ADR2G |
|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Diodes Inc. | Rohm Semi. | Rohm Semi. | UMW | Texas Inst. | STMicro. | Rohm Semi. | STMicro. | onsemi | onsemi |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Current - Input Bias (nA) | 20 | 100 | 100 | 45 | 15 | 20 | 20 | 20 | 300 | 100 |
| Voltage - Input Offset (mV) | 2 | 10 | 10 | 2 | 2 | 1 | 1 | 2 | 0.1 | 0.5 |
| Current - Supply (µA) | 700 | 4000 | 4000 | 1000 | 500 | 700 | 600 | 700 | 2150 | 1900 |
| Current - Output / Channel (mA) | 40 | 30 | 30 | 40 | 40 | 40 | 30 | 40 | 37 | 30 |
| Voltage - Supply Span Min (V) | 3 | 3 | 3 | — | 3 | 3 | 3 | 3 | 3 | 3 |
| Voltage - Supply Span Max (V) | 36 | 36 | 36 | 36 | 30 | 30 | 32 | 30 | 36 | 44 |
| Operating Temperature (°C) | -40 to 85 | -40 to 125 | -40 to 125 | -25 to 85 | 0 to 70 | 0 to 70 | -40 to 85 | 0 to 70 | -40 to 85 | to 150 |
| Package / Case | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.173", 4.40mm) | 8-SOIC (0.173", 4.40mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) |
| Product Status | Active | Active | Active | Active | Obsolete | Active | Obsolete | Active | Active | Active |
| RoHS Status | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 | ROHS3 |
| Moisture Sensitivity Level | 1 | 1 | 3 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
Engineering Selection Recommendations
Tier 1 - Direct Equivalents (Preferred):
LM358ADT and LM358YDT (STMicroelectronics) are the primary direct equivalents to the AS358AMTR-E1. Both devices maintain identical package dimensions (8-SOIC 0.154" width), matching current output specifications (40 mA per channel), and equivalent supply current characteristics (700µA per channel). Both are Active product status with ROHS3 compliance and MSL 1 rating. LM358ADT and LM358YDT are AEC-Q100 qualified for automotive applications, providing enhanced reliability certification. Operating temperature range is 0°C to 70°C, which is narrower than the AS358AMTR-E1 but covers standard industrial applications.
LM358ADR (UMW) provides functional equivalence with identical package footprint (8-SOIC 0.154" width) and matching output current (40 mA per channel). This part is Active status with ROHS3 compliance and MSL 1 rating. Operating temperature range is -25°C to 85°C, which covers the lower end of the AS358AMTR-E1 specification. Supply current is reduced to 1 mA, offering improved power efficiency.
Tier 2 - Compatible Substitutes (Enhanced Performance):
MC33272ADR2G (onsemi) is a compatible substitute with identical package footprint (8-SOIC 0.154" width) and matching output current (37 mA per channel). This device offers enhanced performance characteristics including 10V/µs slew rate and 24 MHz gain bandwidth product compared to the AS358AMTR-E1. Operating temperature range is -40°C to 85°C, matching the primary part. MC33272ADR2G is Active status with ROHS3 compliance and MSL 1 rating.
NCV33072ADR2G (onsemi) is a compatible substitute with identical package footprint (8-SOIC 0.154" width) and 30 mA output current per channel. This device features 13V/µs slew rate and 4.5 MHz gain bandwidth product. Operating temperature extends to 150°C junction temperature. NCV33072ADR2G is AEC-Q100 qualified for automotive applications, Active status with ROHS3 compliance and MSL 1 rating. Maximum supply voltage extends to 44V, providing enhanced headroom.
Tier 3 - Package Variant Substitutes:
BA3472YF-CGE2 and BA3472YF-LBH2 (Rohm Semiconductor) are compatible substitutes with slightly larger package dimensions (8-SOIC 0.173" width, 4.40mm). Both devices maintain dual-channel configuration with 30 mA output current per channel. Operating temperature range extends to -40°C to 125°C. BA3472YF-CGE2 is Active status with AEC-Q100 qualification. BA3472YF-LBH2 is Active status with MSL 3 rating (168 hours), requiring controlled moisture handling during storage and assembly.
Obsolete Parts - Not Recommended:
LM358ADRG4 (Texas Instruments) and LM358DT (Rohm Semiconductor) are classified as Obsolete product status and are not recommended for new designs. These parts present long-term supply risk and should not be selected as primary substitutes.
Frequently Asked Questions (FAQ)
Q: Can the BA3472YF-CGE2 be used as a direct replacement for the AS358AMTR-E1 on existing PCBs?
A: The BA3472YF-CGE2 has a larger package width (0.173" vs. 0.154") and different pin spacing (4.40mm vs. 3.90mm). Physical footprint compatibility must be verified before PCB substitution. The electrical parameters are compatible, but mechanical layout changes may be required.
Q: What is the primary difference between BA3472YF-CGE2 and BA3472YF-LBH2?
A: Both parts are functionally identical with matching electrical specifications. The primary difference is packaging format: BA3472YF-CGE2 is supplied in Cut Tape & Digi-Reel format, while BA3472YF-LBH2 is supplied in Tape & Reel format. Additionally, BA3472YF-LBH2 has MSL 3 rating (168 hours) compared to MSL 1 (Unlimited) for BA3472YF-CGE2, requiring moisture control during storage.
Q: Is the LM358ADT suitable for applications requiring the full -40°C to 85°C temperature range?
A: The LM358ADT operates from 0°C to 70°C, which does not cover the full -40°C to 85°C range of the AS358AMTR-E1. For applications requiring operation below 0°C or above 70°C, alternative substitutes such as MC33272ADR2G or NCV33072ADR2G must be selected.
Q: Why does the MC33272ADR2G have higher input bias current (300 nA) compared to the AS358AMTR-E1 (20 nA)?
A: The MC33272ADR2G is optimized for higher performance characteristics including faster slew rate (10V/µs) and higher gain bandwidth product (24 MHz). The increased input bias current is a trade-off inherent to this performance class. Applications sensitive to input bias current should verify compatibility before substitution.
Q: Can the NCV33072ADR2G be used in non-automotive applications?
A: Yes. The NCV33072ADR2G is AEC-Q100 qualified for automotive use, but this qualification does not restrict its use in non-automotive applications. The part is fully compatible with general purpose amplifier applications and offers extended temperature performance to 150°C junction temperature.
Q: What is the significance of the MSL 3 rating on the BA3472YF-LBH2?
A: MSL 3 (Moisture Sensitivity Level 3) indicates the component can absorb moisture during storage and requires controlled handling. The 168-hour specification means the part must be used within 168 hours of opening the moisture barrier bag, or it must be baked to remove absorbed moisture. MSL 1 (Unlimited) parts like the AS358AMTR-E1 have no moisture sensitivity restrictions.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed in this reference are ROHS3 compliant, matching the compliance status of the AS358AMTR-E1. All parts are suitable for applications requiring RoHS compliance.
Q: Which substitute offers the best thermal performance?
A: The NCV33072ADR2G offers the highest thermal performance with a maximum junction temperature rating of 150°C, compared to the AS358AMTR-E1 operating range of -40°C to 85°C. This extended temperature capability makes it suitable for high-temperature applications.
Q: Is the LM358ADR recommended for new designs?
A: The LM358ADR is Active status with ROHS3 compliance and MSL 1 rating, making it suitable for new designs. However, the operating temperature range (-25°C to 85°C) is narrower than the AS358AMTR-E1. Verify that the reduced lower temperature limit is acceptable for the intended application.
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