Request Quote
(Ships tomorrow)
MAX4403ASD-T Equivalent & Substitute Parts Reference
Part Overview
The MAX4403ASD-T is a general purpose operational amplifier IC manufactured by Analog Devices Inc./Maxim Integrated, featuring four independent amplifier circuits in a 14-SOIC surface mount package. This device is classified as obsolete product status, which necessitates identification of equivalent and substitute components for ongoing design support and procurement continuity. The MAX4403ASD-T delivers rail-to-rail output capability with a 1V/µs slew rate and 800 kHz gain bandwidth product, suitable for general signal conditioning and amplification applications across industrial and consumer electronics.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 4 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1 | V/µs |
| Gain Bandwidth Product | 800 | kHz |
| Current - Input Bias | 0.1 | pA |
| Voltage - Input Offset | 1 | mV |
| Current - Supply (x4 Channels) | 410 | 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 | 14-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the MAX4403ASD-T is determined by strict alignment of electrical and mechanical parameters. The primary substitution criteria are:
Critical Parameters for Substitution:
- Four independent amplifier circuits in single package
- Rail-to-rail output configuration
- 14-SOIC or equivalent surface mount package
- Supply voltage range compatibility (minimum 2.5V, maximum 5.5V)
- Operating temperature range (-40°C to 125°C)
- RoHS3 compliance and MSL rating
Electrical Performance Alignment: Substitute parts must maintain compatibility within the following ranges: slew rate ≥0.4V/µs, gain bandwidth product ≥800 kHz, input bias current ≤1 pA, input offset voltage ≤1 mV, and output current per channel ≥12 mA.
Package Compatibility: The 14-SOIC (0.154", 3.90mm width) package is the primary form factor. Substitutes in 14-SOP (0.173", 4.40mm width) packages are mechanically compatible with PCB layouts designed for standard 14-SOIC footprints due to pin-to-pin compatibility, though board space considerations may apply.
Substitutes are grouped into three categories: direct manufacturer variants (same base part number with different packaging or tape/reel configurations), CMOS amplifier alternatives (lower power consumption), and general purpose amplifier alternatives (enhanced performance specifications).
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | GBW (kHz) | Input Bias (pA) | Input Offset (mV) | Supply Current (µA) | Output Current (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MAX4403ASD-T | Analog Devices | General Purpose | 1 | 800 | 0.1 | 1 | 410 | 30 | 2.5 | 5.5 | -40 to 125 | 14-SOIC | Obsolete |
| MAX4403ASD+T | Analog Devices | General Purpose | 1 | 800 | 0.1 | 1 | 410 | 30 | 2.5 | 5.5 | -40 to 125 | 14-SOIC | Active |
| LMV344IDR | Texas Instruments | CMOS | 1 | 1000 | 1 | 0.25 | 107 | 113 | 2.5 | 5.5 | -40 to 125 | 14-SOIC | Active |
| BU7244F-E2 | Rohm Semiconductor | CMOS | 0.4 | 900 | 1 | 1 | 360 | 12 | 1.8 | 5.5 | -40 to 85 | 14-SOP | Active |
| BU7244SF-E2 | Rohm Semiconductor | CMOS | 0.4 | 900 | 1 | 1 | 360 | 12 | 1.8 | 5.5 | -40 to 85 | 14-SOP | Active |
| LMP2234AMAX/NOPB | Texas Instruments | General Purpose | 0.048 | 130 | 0.02 | 0.01 | 36 | 30 | 1.6 | 5.5 | -40 to 125 | 14-SOIC | Active |
| LMP2234BMA/NOPB | Texas Instruments | General Purpose | 0.048 | 130 | 0.02 | 0.01 | 36 | 30 | 1.6 | 5.5 | -40 to 125 | 14-SOIC | Active |
| LMP2234BMAX/NOPB | Texas Instruments | General Purpose | 0.048 | 130 | 0.02 | 0.01 | 36 | 30 | 1.6 | 5.5 | -40 to 125 | 14-SOIC | Active |
| LMR934F-GE2 | Rohm Semiconductor | General Purpose | 0.35 | 1400 | 5 | 1 | 250 | 90 | 1.8 | 5 | -40 to 85 | 14-SOP | Active |
| LMV324AM14X | onsemi | General Purpose | 1.5 | 1400 | 1 | 1 | 100 | 34 | 2.7 | 5.5 | -40 to 125 | 14-SOIC | Obsolete |
| LMV324BG-13 | Diodes Incorporated | General Purpose | 1 | 1000 | 15 | 1.7 | 340 | 90 | 2.7 | 5.5 | -40 to 125 | 14-SOIC | Active |
Engineering Selection Recommendations
Direct Replacement (Active Status): The MAX4403ASD+T is the direct active equivalent of the MAX4403ASD-T, manufactured by Analog Devices Inc./Maxim Integrated. This part maintains identical electrical specifications and 14-SOIC packaging. Selection of MAX4403ASD+T is recommended for applications requiring exact specification matching and continuity with original design intent. Both parts carry ROHS3 compliance and MSL 1 rating.
CMOS Amplifier Alternatives (Lower Power Consumption): The LMV344IDR (Texas Instruments) and BU7244F-E2/BU7244SF-E2 (Rohm Semiconductor) are CMOS-based four-channel amplifiers offering reduced supply current consumption. LMV344IDR operates at 107µA total supply current versus 410µA for the MAX4403ASD-T, with enhanced output current capability (113mA per channel). BU7244 variants consume 360µA with lower output current (12mA per channel) and reduced operating temperature range (-40°C to 85°C). These alternatives are suitable for power-constrained applications where the lower slew rate (0.4V/µs for BU7244) and reduced gain bandwidth product (900kHz) remain acceptable.
General Purpose Amplifier Alternatives (Enhanced Performance): The LMV324BG-13 (Diodes Incorporated) and LMR934F-GE2 (Rohm Semiconductor) provide enhanced slew rate and gain bandwidth product specifications. LMV324BG-13 maintains the 14-SOIC package with 1V/µs slew rate and 1MHz gain bandwidth product, with active product status. LMR934F-GE2 offers 1.4MHz gain bandwidth product in 14-SOP package with reduced operating temperature range (-40°C to 85°C). Both parts are ROHS3 compliant.
Low-Power Precision Alternatives: The LMP2234 series (LMP2234AMAX/NOPB, LMP2234BMA/NOPB, LMP2234BMAX/NOPB) from Texas Instruments provides ultra-low supply current (36µA) with differential output configuration and superior input offset voltage (10µV). These parts are suitable for battery-powered and precision measurement applications, though reduced slew rate (0.048V/µs) and gain bandwidth product (130kHz) limit high-frequency signal processing capability.
Obsolete Status Consideration: LMV324AM14X (onsemi) is classified as obsolete product status, similar to the MAX4403ASD-T. This part should not be selected for new designs despite active inventory availability.
Frequently Asked Questions (FAQ)
Q: Can MAX4403ASD+T directly replace MAX4403ASD-T in existing designs?
A: Yes. MAX4403ASD+T is the active production equivalent with identical electrical specifications, package configuration (14-SOIC), and compliance ratings (ROHS3, MSL 1). No circuit modifications are required.
Q: What is the primary advantage of LMV344IDR over MAX4403ASD-T?
A: LMV344IDR reduces supply current consumption to 107µA (versus 410µA), making it suitable for battery-powered applications. It maintains compatible supply voltage range (2.5V to 5.5V), operating temperature (-40°C to 125°C), and 14-SOIC package. Output current capability is enhanced to 113mA per channel.
Q: Are BU7244F-E2 and BU7244SF-E2 interchangeable?
A: BU7244F-E2 and BU7244SF-E2 are electrically identical with identical specifications. The difference is packaging format: BU7244F-E2 is supplied in Cut Tape (CT) & Digi-Reel format, while BU7244SF-E2 is supplied in Tape & Reel (TR) format. Selection depends on procurement and assembly requirements.
Q: Can LMP2234 series replace MAX4403ASD-T in high-frequency applications?
A: No. LMP2234 series has significantly reduced slew rate (0.048V/µs versus 1V/µs) and gain bandwidth product (130kHz versus 800kHz). These parts are optimized for precision, low-power applications, not high-frequency signal conditioning. Use LMP2234 only when application requirements prioritize ultra-low power consumption and precision over bandwidth.
Q: What is the impact of package differences between 14-SOIC and 14-SOP?
A: 14-SOIC (0.154" width, 3.90mm) and 14-SOP (0.173" width, 4.40mm) packages have identical pin pitch and pin-to-pin spacing, enabling direct PCB footprint compatibility. However, the wider 14-SOP package may require verification of board space constraints in high-density layouts. Electrical performance is unaffected by package type.
Q: Why is LMV324AM14X not recommended despite available inventory?
A: LMV324AM14X carries obsolete product status classification. While inventory exists, obsolete parts face discontinuation risk and reduced manufacturer support. For new designs and long-term production, active status parts (LMV324BG-13, LMV344IDR, MAX4403ASD+T) are preferred to ensure supply chain continuity.
Q: What are the temperature range implications when selecting BU7244 variants?
A: BU7244F-E2 and BU7244SF-E2 operate from -40°C to 85°C, compared to MAX4403ASD-T range of -40°C to 125°C. Applications requiring operation above 85°C must use alternatives such as MAX4403ASD+T, LMV344IDR, or LMV324BG-13, which support full -40°C to 125°C range.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All substitute parts listed carry ROHS3 compliance certification. Moisture sensitivity levels are MSL 1 (unlimited) for most parts, with exception of LMV324BG-13 which carries MSL 3 (168 hours). MSL rating affects storage and handling requirements prior to assembly.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts