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MAX4338EUB Equivalent & Substitute Parts
Part Overview
The MAX4338EUB is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring dual circuits in a 10-uMAX/uSOP surface-mount package. This device is classified as Obsolete product status, making substitute components necessary for new designs and ongoing production requirements.
The MAX4338EUB delivers rail-to-rail output capability with a 5 MHz gain-bandwidth product, suitable for low-power signal conditioning and general analog applications. The obsolete status necessitates identification of functionally equivalent alternatives that maintain electrical and mechanical compatibility within specified parameter tolerances.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1.8 | V/µs |
| Gain Bandwidth Product | 5 | MHz |
| Current - Input Bias | 100 | nA |
| Voltage - Input Offset | 600 | µV |
| Current - Supply (x2 Channels) | 1.3 | mA |
| Current - Output / Channel | 110 | mA |
| Voltage - Supply Span (Min) | 2.7 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 85 | °C |
| Mounting Type | Surface Mount | — |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the MAX4338EUB is determined by strict adherence to the following electrical and mechanical parameters:
Critical Matching Parameters:
- Dual-circuit configuration (2 circuits required)
- Rail-to-rail output capability
- Supply voltage range: 2.7 V to 5.5 V minimum
- Surface-mount package with 10-pin TFSOP/MSOP footprint (0.118", 3.00mm width)
- Operating temperature range: -40°C to 85°C minimum
- RoHS3 compliance and MSL Level 1 rating
Acceptable Variation Parameters:
- Slew rate: 1.8 V/µs or greater
- Gain-bandwidth product: 5 MHz or greater
- Input bias current: 100 nA or lower
- Input offset voltage: 600 µV or lower
- Supply current: 1.3 mA (x2 channels) or lower
- Output current per channel: 110 mA or greater
Substitute parts must satisfy all critical matching parameters while meeting or exceeding acceptable variation thresholds. Parts with extended temperature ranges (-40°C to 125°C) or automotive qualifications (AEC-Q100) are functionally compatible but represent enhanced specifications beyond the original requirement.
Parameter Comparison
| Parameter | MAX4338EUB | MAX4338EUB+ | LMV712MM/NOPB | LMV712MMX/NOPB | LMV712Q1MMX/NOPB | LMV823AIST | LMV823IST | OPA2363AIDGSR | OPA2363AIDGST | OPA2363IDGSR | OPA2363IDGST |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Analog Devices | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Slew Rate (V/µs) | 1.8 | 1.8 | 5 | 5 | 5 | 1.9 | 1.9 | 5 | 5 | 5 | 5 |
| Gain Bandwidth Product (MHz) | 5 | 5 | 5 | 5 | 5 | 5.5 | 5.5 | 7 | 7 | 7 | 7 |
| Current - Input Bias (nA) | 100 | 100 | 5.5 pA | 5.5 pA | 5.5 pA | 60 | 60 | 1 pA | 1 pA | 1 pA | 1 pA |
| Voltage - Input Offset (µV) | 600 | 600 | 400 | 400 | 400 | 800 | 3500 | 1000 | 1000 | 900 | 900 |
| Current - Supply (mA, x2 Channels) | 1.3 | 1.3 | 1.22 | 1.22 | 1.22 | 0.3 | 0.3 | 1.1 | 1.1 | 1.1 | 1.1 |
| Current - Output / Channel (mA) | 110 | 110 | 50 | 50 | 50 | 70 | 70 | 85 | 85 | 85 | 85 |
| Voltage - Supply Span Min (V) | 2.7 | 2.7 | 2.7 | 2.7 | 2.7 | 2.5 | 2.5 | 1.8 | 1.8 | 1.8 | 1.8 |
| Voltage - Supply Span Max (V) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP | 10-TFSOP, 10-MSOP |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 2 (1 Year) | 2 (1 Year) | 2 (1 Year) | 2 (1 Year) |
Engineering Selection Recommendations
Direct Replacement (Identical Specifications):
MAX4338EUB+ represents the direct successor with identical electrical specifications and active product status. This part maintains the original 1.8 V/µs slew rate, 5 MHz gain-bandwidth product, and 110 mA output current per channel. The primary distinction is packaging format (Tube versus unspecified for original), making MAX4338EUB+ the preferred choice for direct substitution in existing designs.
Texas Instruments LMV712 Series (LMV712MM/NOPB, LMV712MMX/NOPB, LMV712Q1MMX/NOPB):
The LMV712 family provides enhanced performance characteristics while maintaining core compatibility. All three variants deliver 5 V/µs slew rate (2.8× improvement), lower input bias current (5.5 pA versus 100 nA), and reduced input offset voltage (400 µV versus 600 µV). Supply current is marginally lower at 1.22 mA. Output current per channel is reduced to 50 mA, which may limit applications requiring higher drive capability.
LMV712Q1MMX/NOPB includes automotive-grade qualification (AEC-Q100) and extended temperature range (-40°C to 125°C), suitable for automotive and industrial applications requiring enhanced reliability.
STMicroelectronics LMV823 Series (LMV823AIST, LMV823IST):
The LMV823 devices provide automotive-grade qualification (AEC-Q100) with extended operating temperature to 125°C. Slew rate is 1.9 V/µs (comparable to original), with 5.5 MHz gain-bandwidth product. Input bias current is 60 nA (lower than MAX4338EUB). Supply current is significantly reduced to 300 µA per channel pair. Output current per channel is 70 mA.
LMV823IST exhibits higher input offset voltage (3.5 mV) compared to LMV823AIST (800 µV), which may impact precision applications.
Texas Instruments OPA2363 Series (OPA2363AIDGSR, OPA2363AIDGST, OPA2363IDGSR, OPA2363IDGST):
The OPA2363 family represents CMOS technology with superior performance metrics: 5 V/µs slew rate, 7 MHz gain-bandwidth product, and exceptionally low input bias current (1 pA). Extended operating temperature range (-40°C to 125°C) and lower supply voltage minimum (1.8 V) provide design flexibility.
Input offset voltage ranges from 900 µV to 1 mV, slightly higher than MAX4338EUB. Output current per channel is 85 mA. MSL rating is Level 2 (1 Year), requiring controlled storage conditions.
OPA2363AIDGSR and OPA2363AIDGST variants specify 1 mV input offset voltage, while OPA2363IDGSR and OPA2363IDGST specify 900 µV.
Product Status Compliance:
All recommended substitute parts maintain Active product status, ensuring long-term availability and manufacturing support. The MAX4338EUB obsolete classification necessitates transition to one of these alternatives for new production designs.
Frequently Asked Questions (FAQ)
Q1: Can MAX4338EUB+ be used as a direct drop-in replacement for MAX4338EUB?
A: Yes. MAX4338EUB+ maintains identical electrical specifications including 1.8 V/µs slew rate, 5 MHz gain-bandwidth product, 100 nA input bias current, and 110 mA output current per channel. The primary difference is packaging format (Tube). PCB layout and circuit design require no modification.
Q2: What is the key limitation when substituting with LMV712 series devices?
A: Output current per channel is reduced from 110 mA to 50 mA. Applications requiring higher output drive capability must be evaluated. All other electrical parameters meet or exceed MAX4338EUB specifications. Supply voltage range, operating temperature, and package footprint remain compatible.
Q3: Why do OPA2363 devices specify MSL Level 2 instead of Level 1?
A: OPA2363 parts require controlled moisture storage with a 1-year shelf life limit. This necessitates baking procedures before reflow soldering in high-humidity environments. MAX4338EUB and LMV712/LMV823 alternatives specify MSL Level 1 (unlimited shelf life), eliminating this handling requirement.
Q4: Are LMV823 automotive-grade parts suitable for non-automotive applications?
A: Yes. Automotive qualification (AEC-Q100) represents enhanced reliability screening and extended temperature validation. These parts are fully compatible with industrial and commercial applications. Extended temperature range (-40°C to 125°C) provides additional design margin compared to standard -40°C to 85°C specifications.
Q5: What is the primary advantage of LMV712Q1MMX/NOPB over standard LMV712MM/NOPB?
A: LMV712Q1MMX/NOPB includes automotive-grade qualification (AEC-Q100) and extended operating temperature range (-40°C to 125°C). Electrical specifications are identical. Selection depends on application requirements for automotive compliance and temperature margin.
Q6: Can OPA2363 devices operate at lower supply voltages than MAX4338EUB?
A: Yes. OPA2363 minimum supply voltage is 1.8 V compared to 2.7 V for MAX4338EUB. This enables operation in battery-powered and low-voltage applications. Maximum supply voltage remains 5.5 V for both families.
Q7: How does input bias current affect circuit design when substituting MAX4338EUB with OPA2363?
A: OPA2363 input bias current is 1 pA compared to 100 nA for MAX4338EUB. This 100,000× reduction eliminates bias current compensation requirements in high-impedance input circuits. Existing designs with bias current compensation remain functional but may exhibit improved performance.
Q8: What packaging considerations apply when selecting substitute parts?
A: All substitute parts maintain 10-pin TFSOP/MSOP footprint (0.118", 3.00mm width) compatible with MAX4338EUB PCB layouts. Supplier device packages vary (10-uMAX/uSOP, 10-VSSOP, 10-MiniSO) but maintain identical pin assignments and electrical function. No PCB redesign is required.
Q9: Are there supply chain advantages to selecting specific substitute parts?
A: Inventory levels vary significantly. OPA2363AIDGSR maintains 17,600 pieces in stock, while LMV712Q1MMX/NOPB maintains 7,300 pieces. LMV823AIST maintains 10,112 pieces. Availability should be confirmed with component suppliers for production requirements.
Q10: Which substitute part provides the best overall performance improvement?
A: OPA2363 series delivers the highest performance: 7 MHz gain-bandwidth product (versus 5 MHz), 5 V/µs slew rate (versus 1.8 V/µs), and 1 pA input bias current (versus 100 nA). Extended temperature range (-40°C to 125°C) and lower minimum supply voltage (1.8 V) provide additional design flexibility. MSL Level 2 handling requirements represent the primary trade-off.
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