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MAX4245AUT-T Equivalent & Substitute Parts
Part Overview
The MAX4245AUT-T is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, housed in a SOT-23-6 surface mount package. This device features rail-to-rail output capability and is designed for low-power analog signal processing applications. The MAX4245AUT-T is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. Active alternatives with compatible electrical and mechanical specifications are available from multiple manufacturers including STMicroelectronics and Texas Instruments.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 0.4 | V/µs |
| Gain Bandwidth Product | 1 | MHz |
| Current - Input Bias | 10 | nA |
| Voltage - Input Offset | 400 | µV |
| Current - Supply | 375 | µA |
| Current - Output / Channel | 30 | mA |
| Voltage - Supply Span (Min) | 2.5 | V |
| Voltage - Supply Span (Max) | 5.5 | V |
| Operating Temperature | -40 to 125 | °C |
| Package / Case | SOT-23-6 | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the MAX4245AUT-T is determined by strict alignment of electrical and mechanical parameters within the general-purpose operational amplifier category. The following criteria establish substitution validity:
Primary Substitution Criteria:
- Amplifier Type: General Purpose
- Number of Circuits: 1
- Output Type: Rail-to-Rail
- Package / Case: SOT-23-6
- Mounting Type: Surface Mount
- Operating Temperature Range: -40°C to 125°C
- Supply Voltage Span: 2.5 V to 5.5 V
Secondary Compatibility Parameters:
- Slew Rate: Equal to or greater than 0.4 V/µs
- Gain Bandwidth Product: Equal to or greater than 1 MHz
- Current - Input Bias: Equal to or less than 10 nA (lower is acceptable)
- Voltage - Input Offset: Equal to or less than 400 µV (lower is acceptable)
- Current - Supply: Equal to or less than 375 µA (lower is acceptable)
- Current - Output / Channel: Equal to or greater than 30 mA
Substitute parts meeting all primary criteria and maintaining secondary parameter compatibility are classified as direct functional equivalents. Parts exceeding secondary parameters provide enhanced performance characteristics while maintaining full backward compatibility.
Parameter Comparison
| Parameter | MAX4245AUT-T | MAX4245AUT+T | LMV820AILT | OPA363AIDBVR | OPA363AIDBVT | OPA363IDBVR | OPA363IDBVT | TSV850AILT |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Analog Devices | STMicroelectronics | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | STMicroelectronics |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active |
| Amplifier Type | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| 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 |
| Slew Rate (V/µs) | 0.4 | 0.4 | 1.9 | 5 | 5 | 5 | 5 | 0.7 |
| Gain Bandwidth Product (MHz) | 1 | 1 | 5.5 | 7 | 7 | 7 | 7 | 1.3 |
| Current - Input Bias (nA) | 10 | 10 | 60 | 1 | 1 | 1 | 1 | 27 |
| Voltage - Input Offset (µV) | 400 | 400 | 800 | 1000 | 1000 | 500 | 500 | 800 |
| Current - Supply (µA) | 375 | 375 | 300 | 1100 | 1100 | 1100 | 1100 | 130 |
| Current - Output / Channel (mA) | 30 | 30 | 70 | 85 | 85 | 85 | 85 | 70 |
| Voltage - Supply Span (Min) (V) | 2.5 | 2.5 | 2.5 | 1.8 | 1.8 | 1.8 | 1.8 | 2.5 |
| Voltage - Supply Span (Max) (V) | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| Operating Temperature (°C) | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 |
| Package / Case | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 | SOT-23-6 |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 2 (1 Year) | 2 (1 Year) | 2 (1 Year) | 2 (1 Year) | 1 (Unlimited) |
Engineering Selection Recommendations
Direct Replacement (Identical Specifications):
MAX4245AUT+T is the direct equivalent of MAX4245AUT-T, differing only in packaging format (Tape & Reel versus individual unit). Both devices share identical electrical specifications and are manufactured by Analog Devices Inc./Maxim Integrated. MAX4245AUT+T maintains active product status, providing long-term availability and supply chain continuity.
Performance-Enhanced Substitutes:
LMV820AILT (STMicroelectronics) and TSV850AILT (STMicroelectronics) provide enhanced slew rate and gain bandwidth product while maintaining supply voltage compatibility and operating temperature range. Both devices are active products with ROHS3 compliance and unlimited moisture sensitivity rating.
OPA363AIDBVT, OPA363AIDBVR, OPA363IDBVR, and OPA363IDBVT (Texas Instruments) offer significantly improved performance characteristics including higher slew rate (5 V/µs), higher gain bandwidth product (7 MHz), and lower input bias current (1 pA). These devices support extended supply voltage range (1.8 V minimum) and are active products with ROHS3 compliance. Moisture sensitivity level is rated at 2 (1 Year), requiring appropriate handling protocols.
Compliance and Regulatory Status:
All substitute parts maintain ROHS3 compliance and REACH unaffected status, matching the regulatory profile of the original MAX4245AUT-T. All devices are classified under ECCN EAR99 and HTSUS 8542.33.0001.
Frequently Asked Questions (FAQ)
Q: Can MAX4245AUT+T be used as a direct replacement for MAX4245AUT-T?
A: Yes. MAX4245AUT+T is electrically and functionally identical to MAX4245AUT-T. The difference is packaging format: MAX4245AUT+T is supplied in Tape & Reel format while MAX4245AUT-T is supplied as individual units. Both devices are manufactured by Analog Devices Inc./Maxim Integrated with identical electrical specifications. MAX4245AUT+T is an active product, providing superior long-term availability.
Q: What are the key differences between the MAX4245AUT-T and the OPA363 series?
A: The OPA363 series (OPA363AIDBVT, OPA363AIDBVR, OPA363IDBVR, OPA363IDBVT) provides enhanced performance: slew rate of 5 V/µs versus 0.4 V/µs, gain bandwidth product of 7 MHz versus 1 MHz, and input bias current of 1 pA versus 10 nA. The OPA363 series supports lower minimum supply voltage (1.8 V versus 2.5 V). All devices share identical SOT-23-6 packaging and operating temperature range. The OPA363 series is manufactured by Texas Instruments and maintains active product status.
Q: Are the STMicroelectronics alternatives (LMV820AILT and TSV850AILT) suitable for direct substitution?
A: Both LMV820AILT and TSV850AILT meet all primary substitution criteria: general-purpose amplifier type, single circuit, rail-to-rail output, SOT-23-6 package, surface mount configuration, and -40°C to 125°C operating temperature. LMV820AILT provides higher slew rate (1.9 V/µs) and gain bandwidth product (5.5 MHz). TSV850AILT provides moderate performance enhancement with slew rate of 0.7 V/µs and gain bandwidth product of 1.3 MHz. Both are active products with ROHS3 compliance and unlimited moisture sensitivity rating.
Q: What is the significance of moisture sensitivity level differences?
A: MAX4245AUT-T, MAX4245AUT+T, LMV820AILT, and TSV850AILT are rated at MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. OPA363 series devices are rated at MSL 2 (1 Year), requiring storage in controlled humidity environments and limiting shelf life to one year from manufacturing date. This affects inventory management and handling protocols but does not impact electrical performance or functional compatibility.
Q: Can these operational amplifiers be used interchangeably in existing PCB designs?
A: All substitute parts share identical SOT-23-6 package and pin configuration, enabling direct PCB footprint compatibility. Electrical parameter differences must be evaluated against circuit design requirements. Applications requiring low slew rate and low bandwidth may use MAX4245AUT+T, LMV820AILT, or TSV850AILT without modification. Applications benefiting from enhanced performance characteristics may use OPA363 series devices. Circuit simulation and functional testing are required to confirm performance in specific applications.
Q: What is the inventory status of these parts?
A: MAX4245AUT-T (obsolete) has 765 units in stock. MAX4245AUT+T (active) has 3545 units. LMV820AILT (active) has 30225 units. OPA363AIDBVT (active) has 15300 units. OPA363AIDBVR (active) has 1768 units. OPA363IDBVR (active) has 3500 units. OPA363IDBVT (active) has 5144 units. TSV850AILT (active) has 4300 units. Active products provide superior long-term supply chain continuity.
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