MAX4483ASD Equivalent & Substitute Parts

Part Overview

The MAX4483ASD is a general-purpose operational amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring four independent circuits in a 14-SOIC surface-mount package. This device provides rail-to-rail output capability with a supply voltage range of 2.5V to 5.5V and operates across the industrial temperature range of -40°C to 125°C. The MAX4483ASD is classified as obsolete, necessitating identification of active equivalent and substitute components for new designs and production continuity. Substitute parts must maintain functional compatibility while meeting current availability and compliance requirements.

Key Parameters

Parameter	Value	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	—
Output Type	Rail-to-Rail	—
Slew Rate	0.08	V/µs
Gain Bandwidth Product	140	kHz
Current - Input Bias	0.1	pA
Voltage - Input Offset	1	mV
Current - Supply (x4 Channels)	50	µA
Current - Output / Channel	17	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

Substitute parts for the MAX4483ASD are selected based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Number of circuits: 4 independent amplifier channels
Output type: Rail-to-Rail capability
Package type: 14-SOIC or 14-SOP surface-mount configuration
Supply voltage range: Minimum 2.5V, maximum 5.5V
Operating temperature range: -40°C to 125°C (or compatible subset)
Mounting type: Surface Mount

Secondary Compatibility Parameters:

Slew rate: 0.08V/µs or higher
Gain bandwidth product: 140 kHz or higher
Input bias current: 0.1 pA or lower
Input offset voltage: 1 mV or lower
Output current per channel: 17 mA or higher
Supply current: 50µA or lower (per 4 channels)

Substitutes are grouped into two categories: direct packaging equivalents (14-SOIC) and functional equivalents with alternative packaging (14-SOP). All substitute parts maintain ROHS3 compliance and MSL Level 1 rating.

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Circuits	Output 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
MAX4483ASD	Analog Devices	General Purpose	4	Rail-to-Rail	0.08	140	0.1	1	50	17	2.5	5.5	-40 to 125	14-SOIC	Obsolete
MAX4483ASD+	Analog Devices	General Purpose	4	Rail-to-Rail	0.08	140	0.1	1	50	17	2.5	5.5	-40 to 125	14-SOIC	Active
LMP2234BMA/NOPB	Texas Instruments	General Purpose	4	Differential, Rail-to-Rail	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	4	Differential, Rail-to-Rail	0.048	130	0.02	0.01	36	30	1.6	5.5	-40 to 125	14-SOIC	Active
LMV824M/NOPB	Texas Instruments	General Purpose	4	Rail-to-Rail	2	5600	40	1	1000	45	2.5	5.5	-40 to 85	14-SOIC	Active
LMV824MX/NOPB	National Semiconductor	General Purpose	4	Rail-to-Rail	2	5600	40	1	1000	45	2.5	5.5	-40 to 85	14-SOIC	Active
LPV324M/NOPB	Texas Instruments	General Purpose	4	Rail-to-Rail	0.1	152	2	1.5	28	16	2.7	5	-40 to 85	14-SOIC	Active
BU7244F-E2	Rohm Semiconductor	CMOS	4	Rail-to-Rail	0.4	900	1	1	360	12	1.8	5.5	-40 to 85	14-SOP	Active
BU7244SF-E2	Rohm Semiconductor	CMOS	4	Rail-to-Rail	0.4	900	1	1	360	12	1.8	5.5	-40 to 85	14-SOP	Active
LMR934F-GE2	Rohm Semiconductor	General Purpose	4	Rail-to-Rail	0.35	1400	5	1	250	90	1.8	5	-40 to 85	14-SOP	Active
LMV324MX	National Semiconductor	General Purpose	4	Rail-to-Rail	1	1000	15	1.7	410	160	2.7	5.5	-40 to 125	14-SOIC	Active

Engineering Selection Recommendations

Direct Equivalent (Identical Packaging and Specifications):

MAX4483ASD+ is the direct active equivalent of the obsolete MAX4483ASD. Both parts share identical electrical specifications, the same 14-SOIC package footprint, and equivalent supply voltage and temperature operating ranges. The primary difference is product status: MAX4483ASD+ is active and available in production quantities (1487 pcs in stock), while the original MAX4483ASD is obsolete. For designs currently using MAX4483ASD, MAX4483ASD+ provides drop-in replacement capability without circuit modification.

14-SOIC Package Alternatives (Same Footprint):

LMP2234BMA/NOPB and LMP2234BMAX/NOPB (Texas Instruments) maintain the 14-SOIC package footprint and support the full -40°C to 125°C temperature range. These parts feature differential output capability and lower input offset voltage (10 µV vs. 1 mV), with lower supply current (36 µA vs. 50 µA). However, slew rate is reduced (0.048 V/µs vs. 0.08 V/µs) and minimum supply voltage is lower (1.6V vs. 2.5V). These parts are suitable for applications requiring extended temperature range and improved input offset specifications.

LMV824M/NOPB and LMV824MX/NOPB (Texas Instruments and National Semiconductor) provide significantly enhanced performance with 2 V/µs slew rate and 5.6 MHz gain-bandwidth product. These parts maintain 14-SOIC packaging and 2.5V to 5.5V supply range but operate only to 85°C maximum temperature and consume higher supply current (1 mA vs. 50 µA). Selection is appropriate for applications requiring higher bandwidth and slew rate within the reduced temperature range.

LPV324M/NOPB (Texas Instruments) offers low-power operation (28 µA supply current) with slew rate and bandwidth characteristics closely matching the MAX4483ASD (0.1 V/µs, 152 kHz). This part maintains 14-SOIC packaging but operates to 85°C maximum and requires minimum 2.7V supply voltage. Selection is appropriate for battery-powered or ultra-low-power applications.

LMV324MX (National Semiconductor) supports the full -40°C to 125°C temperature range in 14-SOIC packaging with enhanced performance (1 V/µs slew rate, 1 MHz bandwidth). This part is automotive-qualified (AEC-Q100) but is RoHS non-compliant and REACH-affected, limiting use in new commercial designs.

14-SOP Package Alternatives (Different Footprint):

BU7244F-E2 and BU7244SF-E2 (Rohm Semiconductor) provide CMOS amplifier implementation in 14-SOP packaging (0.173" width vs. 0.154" for 14-SOIC). These parts offer enhanced bandwidth (900 kHz) and slew rate (0.4 V/µs) with lower output current capability (12 mA vs. 17 mA). Minimum supply voltage extends to 1.8V. Temperature range is limited to -40°C to 85°C. PCB layout modification is required due to package width difference.

LMR934F-GE2 (Rohm Semiconductor) in 14-SOP packaging provides the highest performance among substitutes with 1.4 MHz bandwidth, 0.35 V/µs slew rate, and 90 mA output current per channel. Supply current is 250 µA. Minimum supply voltage is 1.8V and maximum is 5V. Temperature range is -40°C to 85°C. This part is suitable for applications requiring high output drive capability and bandwidth, with PCB layout modification for package width accommodation.

Compliance and Availability Considerations:

All recommended substitute parts maintain ROHS3 compliance and MSL Level 1 moisture sensitivity rating. MAX4483ASD+ provides the highest inventory availability (1487 pcs) with identical specifications. LMV824MX/NOPB offers the largest stock (25400 pcs) among alternatives. LMR934F-GE2 provides 3301 pcs availability. Selection should prioritize parts with active product status and confirmed REACH compliance for new commercial designs.

Frequently Asked Questions (FAQ)

Q: Can MAX4483ASD+ be used as a direct replacement for MAX4483ASD?

A: Yes. MAX4483ASD+ is the active equivalent of the obsolete MAX4483ASD with identical electrical specifications, supply voltage range (2.5V to 5.5V), temperature range (-40°C to 125°C), and 14-SOIC package footprint. No circuit modification is required. The primary difference is packaging format: MAX4483ASD+ is supplied in Tube packaging while the original used standard packaging.

Q: What are the key differences between 14-SOIC and 14-SOP packages?

A: Both packages are surface-mount configurations with 14 pins, but differ in physical dimensions. The 14-SOIC package is 0.154 inches (3.90 mm) wide, while 14-SOP is 0.173 inches (4.40 mm) wide. This width difference requires PCB layout modification when substituting between package types. Pin pitch and lead configuration are similar, but footprint artwork must be updated. Electrical performance is independent of package type.

Q: Which substitute part best matches the MAX4483ASD performance characteristics?

A: LPV324M/NOPB provides the closest performance match with slew rate of 0.1 V/µs (vs. 0.08 V/µs) and gain-bandwidth product of 152 kHz (vs. 140 kHz). This part maintains 14-SOIC packaging and 2.5V to 5.5V supply range. However, operating temperature is limited to -40°C to 85°C, and supply current is lower (28 µA vs. 50 µA). For applications requiring the full -40°C to 125°C temperature range, LMP2234BMA/NOPB is the preferred alternative.

Q: Are there performance trade-offs when selecting substitute parts?

A: Yes. Substitutes offering higher bandwidth and slew rate (LMV824M/NOPB, BU7244F-E2, LMR934F-GE2) typically consume higher supply current and may have reduced temperature range. Parts optimized for low power consumption (LPV324M/NOPB) have lower bandwidth and slew rate. Selection must balance application requirements for bandwidth, power consumption, temperature range, and output current capability.

Q: Can LMV824M/NOPB replace MAX4483ASD in all applications?

A: LMV824M/NOPB is not suitable for applications requiring operation above 85°C, as its maximum operating temperature is 85°C versus 125°C for MAX4483ASD. Additionally, supply current is significantly higher (1 mA vs. 50 µA per 4 channels). However, for applications operating within -40°C to 85°C range, LMV824M/NOPB provides superior performance with 2 V/µs slew rate and 5.6 MHz bandwidth.

Q: What is the impact of different input bias current specifications?

A: Input bias current affects circuit performance in high-impedance applications. MAX4483ASD specifies 0.1 pA input bias current. LMP2234 series offers 0.02 pA (lower), while LMV824M/NOPB specifies 40 nA (higher). For transimpedance amplifier circuits or photodiode amplifiers, lower input bias current reduces noise and improves accuracy. For general-purpose applications with moderate impedance levels, differences are negligible.

Q: Are automotive-qualified alternatives available?

A: LMV324MX is automotive-qualified (AEC-Q100) and supports -40°C to 125°C temperature range in 14-SOIC packaging. However, this part is RoHS non-compliant and REACH-affected, limiting use in new commercial designs. For automotive applications requiring RoHS3 compliance, LMP2234 series or LMV824M/NOPB are recommended alternatives, with temperature range limitations noted.

Q: What packaging options are available for substitute parts?

A: Substitute parts are available in three packaging formats: Tube (MAX4483ASD+, LMP2234BMA/NOPB, LMV824M/NOPB, LPV324M/NOPB), Cut Tape & Digi-Reel (BU7244F-E2, LMR934F-GE2), and Tape & Reel (LMP2234BMAX/NOPB, BU7244SF-E2). Selection depends on production volume and assembly process requirements. Tube packaging is typical for lower volumes, while Tape & Reel is standard for high-volume automated assembly.

Q: How do supply voltage ranges affect substitution decisions?

A: MAX4483ASD operates from 2.5V to 5.5V. Most substitutes maintain this range or extend it. LMP2234 series extends minimum voltage to 1.6V, enabling operation in lower-voltage systems. BU7244 and LMR934F-GE2 extend minimum to 1.8V. LMV824M/NOPB maintains 2.5V minimum. For applications using 2.5V to 5.5V supply, all substitutes are compatible. For lower-voltage applications, LMP2234 or BU7244 series are required.

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