MAX4483ASD-T Equivalent & Substitute Parts

Part Overview

The MAX4483ASD-T 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 is classified as obsolete, which necessitates identification of active equivalent and substitute components for new designs and production continuity. The MAX4483ASD-T provides rail-to-rail output capability with low input bias current and is suitable for applications requiring low-power, general-purpose amplification across industrial and consumer electronics.

Key Parameters

Parameter	Value	Unit
Manufacturer Part Number	MAX4483ASD-T	—
Manufacturer	Analog Devices Inc./Maxim Integrated	—
Product Status	Obsolete	—
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 (Total)	50	µA (x4 Channels)
Current - Output / Channel	17	mA
Voltage - Supply Span (Min)	2.5	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature Range	-40 to 125	°C
Mounting Type	Surface Mount	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitution of the MAX4483ASD-T is determined by the following critical parameters:

Primary Substitution Criteria:

Number of circuits: 4 independent amplifier channels
Output type: Rail-to-rail capability
Package compatibility: 14-SOIC or equivalent 14-pin surface-mount packages
Supply voltage range: Minimum 2.5 V to maximum 5.5 V overlap
Operating temperature: -40°C to 125°C preferred for industrial applications
Mounting type: Surface mount (SOIC/SOP variants)

Secondary Compatibility Factors:

Slew rate: 0.08 V/µs baseline; higher values acceptable for performance-enhanced designs
Gain bandwidth product: 140 kHz baseline; higher values acceptable
Input bias current: 0.1 pA baseline; lower values acceptable
Input offset voltage: 1 mV baseline; lower values acceptable
Output current per channel: 17 mA baseline; higher values acceptable
Supply current: 50 µA baseline; higher values acceptable within power budget constraints

Substitutes are grouped into two categories:

Category 1: Direct Equivalents (Same Manufacturer)

MAX4483ASD+T: Identical electrical specifications; differs only in packaging format (Tape & Reel vs. Tube)

Category 2: Cross-Manufacturer Substitutes (Enhanced Performance)

BU7244F-E2 / BU7244SF-E2 (Rohm Semiconductor): CMOS technology; higher slew rate (0.4 V/µs) and gain bandwidth (900 kHz); lower supply voltage minimum (1.8 V)
LMP2234BMA/NOPB / LMP2234BMAX/NOPB (Texas Instruments): Differential output option; lower input bias (0.02 pA); lower input offset (10 µV); extended lower supply voltage (1.6 V)
LMR934F-GE2 (Rohm Semiconductor): Higher slew rate (0.35 V/µs); significantly higher gain bandwidth (1.4 MHz); higher output current (90 mA)
LMV324ID / LMV324M/NOPB / LMV324MX/NOPB (Texas Instruments): Higher slew rate (1 V/µs); higher gain bandwidth (1 MHz); higher output current (40-160 mA)
LMV824M/NOPB (Texas Instruments): Highest performance option; slew rate 2 V/µs; gain bandwidth 5.6 MHz; output current 45 mA; operates at lower temperature maximum (85°C)

All substitute parts maintain 4-circuit configuration, rail-to-rail output, 14-SOIC/14-SOP package compatibility, and ROHS3 compliance.

Parameter Comparison

Part Number	Manufacturer	Product Status	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
MAX4483ASD-T	Analog Devices	Obsolete	General Purpose	4	Rail-to-Rail	0.08	140	0.1	1	50	17	2.5	5.5	-40 to 125	14-SOIC
MAX4483ASD+T	Analog Devices	Active	General Purpose	4	Rail-to-Rail	0.08	140	0.1	1	50	17	2.5	5.5	-40 to 125	14-SOIC
BU7244F-E2	Rohm Semiconductor	Active	CMOS	4	Rail-to-Rail	0.4	900	1	1	360	12	1.8	5.5	-40 to 85	14-SOP
BU7244SF-E2	Rohm Semiconductor	Active	CMOS	4	Rail-to-Rail	0.4	900	1	1	360	12	1.8	5.5	-40 to 85	14-SOP
LMP2234BMA/NOPB	Texas Instruments	Active	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
LMP2234BMAX/NOPB	Texas Instruments	Active	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
LMR934F-GE2	Rohm Semiconductor	Active	General Purpose	4	Rail-to-Rail	0.35	1400	5	1	250	90	1.8	5	-40 to 85	14-SOP
LMV324ID	Texas Instruments	Last Time Buy	General Purpose	4	Rail-to-Rail	1	1000	15	1.7	410	40	2.7	5.5	-40 to 125	14-SOIC
LMV324M/NOPB	Texas Instruments	Active	General Purpose	4	Rail-to-Rail	1	1000	15	1.7	410	160	2.7	5.5	-40 to 125	14-SOIC
LMV324MX/NOPB	Texas Instruments	Active	General Purpose	4	Rail-to-Rail	1	1000	15	1.7	410	160	2.7	5.5	-40 to 125	14-SOIC
LMV824M/NOPB	Texas Instruments	Active	General Purpose	4	Rail-to-Rail	2	5600	40	1	1000	45	2.5	5.5	-40 to 85	14-SOIC

Engineering Selection Recommendations

Direct Replacement (Identical Specifications):

MAX4483ASD+T is the direct active equivalent of MAX4483ASD-T. Both parts share identical electrical specifications and 14-SOIC package dimensions. The only difference is packaging format: MAX4483ASD+T is supplied in Tape & Reel format with higher inventory availability (1040 pcs vs. 836 pcs). This part is recommended for designs requiring exact specification matching and is classified as Active product status, ensuring long-term supply continuity.

Recommended Substitutes by Application Profile:

For Low-Power, Low-Frequency Applications (-40°C to 125°C Operating Range):

LMP2234BMA/NOPB or LMP2234BMAX/NOPB (Texas Instruments) are preferred substitutes. These parts maintain the full industrial temperature range (-40°C to 125°C) and provide superior input characteristics: input bias current of 0.02 pA (200× lower than MAX4483ASD-T) and input offset voltage of 10 µV (100× lower). The differential output capability provides additional design flexibility. Supply voltage range extends to 1.6 V minimum, enabling operation in battery-powered applications. These parts are Active status with strong inventory (1220-1478 pcs).

For General-Purpose Applications with Extended Temperature Range:

LMV324MX/NOPB (Texas Instruments) offers the best balance of performance and availability. This part maintains the full industrial temperature range (-40°C to 125°C), provides 1 MHz gain bandwidth product (7× higher than MAX4483ASD-T), and delivers 160 mA output current per channel (9.4× higher). Inventory is substantial at 177,800 pcs, ensuring supply security. This part is Active status and suitable for designs requiring higher performance without temperature compromise.

For High-Performance Applications (Slew Rate and Bandwidth Priority):

LMV824M/NOPB (Texas Instruments) provides the highest performance specifications: 2 V/µs slew rate (25× higher), 5.6 MHz gain bandwidth product (40× higher), and 45 mA output current per channel. This part is Active status and suitable for signal conditioning, audio amplification, and instrumentation applications. Operating temperature range is -40°C to 85°C, which is acceptable for most industrial applications. Supply current is higher at 1 mA per channel (20× higher than MAX4483ASD-T), requiring power budget evaluation.

For Cost-Optimized Designs with Lower Temperature Requirements:

BU7244F-E2 or BU7244SF-E2 (Rohm Semiconductor) provide CMOS technology with 0.4 V/µs slew rate and 900 kHz gain bandwidth product. These parts operate at -40°C to 85°C and support supply voltage down to 1.8 V. Both are Active status with high inventory (5200 pcs and 991 pcs respectively). The 14-SOP package is mechanically compatible with 14-SOIC footprints with minor PCB layout adjustment.

Compliance and Certification:

All substitute parts listed are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching the original MAX4483ASD-T specifications. All parts carry EAR99 export classification and HTSUS code 8542.33.0001. REACH compliance is confirmed for all active substitutes.

Frequently Asked Questions (FAQ)

Q1: Can MAX4483ASD+T be used as a direct replacement for MAX4483ASD-T?

A: Yes. MAX4483ASD+T is electrically and functionally identical to MAX4483ASD-T. Both parts feature identical slew rate (0.08 V/µs), gain bandwidth product (140 kHz), input bias current (0.1 pA), input offset voltage (1 mV), supply current (50 µA), output current (17 mA), and operating temperature range (-40°C to 125°C). The only difference is packaging format: MAX4483ASD+T uses Tape & Reel format while MAX4483ASD-T uses Tube format. Both use the same 14-SOIC package with 3.90mm width. No circuit modifications are required.

Q2: What is the primary reason for finding substitutes for MAX4483ASD-T?

A: MAX4483ASD-T is classified as Obsolete product status, meaning Analog Devices has discontinued manufacturing and will not guarantee future availability. Substitution is necessary for new designs, production continuity, and long-term supply security. Active equivalent parts ensure uninterrupted component sourcing and manufacturing capability.

Q3: Are the Rohm Semiconductor substitutes (BU7244F-E2, LMR934F-GE2) compatible with existing MAX4483ASD-T PCB layouts?

A: Rohm parts use 14-SOP package with 4.40mm width, compared to MAX4483ASD-T's 14-SOIC with 3.90mm width. While both are 14-pin surface-mount packages with identical pin pitch (1.27mm), the package width difference requires PCB footprint verification. Pin-to-pin electrical compatibility is confirmed for all four-circuit rail-to-rail amplifier functions. PCB layout adjustment may be necessary depending on board space constraints.

Q4: Which substitute provides the lowest input offset voltage?

A: LMP2234BMA/NOPB and LMP2234BMAX/NOPB (Texas Instruments) provide the lowest input offset voltage at 10 µV, compared to MAX4483ASD-T's 1 mV. This represents a 100× improvement and is beneficial for precision instrumentation, sensor signal conditioning, and low-level analog measurement applications. These parts also feature the lowest input bias current at 0.02 pA.

Q5: Can I use LMV824M/NOPB in applications requiring -40°C to 125°C operation?

A: No. LMV824M/NOPB operates only to 85°C maximum, not 125°C. If your application requires the full industrial temperature range (-40°C to 125°C), use LMP2234BMA/NOPB, LMP2234BMAX/NOPB, LMV324ID, LMV324M/NOPB, or LMV324MX/NOPB instead. These parts maintain the full temperature range while providing enhanced performance over MAX4483ASD-T.

Q6: What is the supply current difference between MAX4483ASD-T and the recommended substitutes?

A: MAX4483ASD-T draws 50 µA total supply current (12.5 µA per channel). LMP2234BMA/NOPB draws 36 µA (9 µA per channel), which is lower. LMV324 variants draw 410 µA (102.5 µA per channel), and LMV824M/NOPB draws 1 mA (250 µA per channel). For battery-powered or ultra-low-power applications, LMP2234 series is preferred. For general-purpose applications, LMV324 series offers better performance-to-power ratio.

Q7: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed (MAX4483ASD+T, BU7244F-E2, BU7244SF-E2, LMP2234BMA/NOPB, LMP2234BMAX/NOPB, LMR934F-GE2, LMV324ID, LMV324M/NOPB, LMV324MX/NOPB, LMV824M/NOPB) are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity rating, matching MAX4483ASD-T compliance status.

Q8: Which substitute offers the highest output current capability?

A: LMV324M/NOPB and LMV324MX/NOPB provide 160 mA output current per channel, compared to MAX4483ASD-T's 17 mA. This represents a 9.4× improvement and is suitable for driving higher impedance loads or multiple stages. LMR934F-GE2 provides 90 mA per channel. For applications requiring maximum output drive capability, LMV324M/NOPB or LMV324MX/NOPB are recommended.

Q9: What is the difference between LMV324M/NOPB and LMV324MX/NOPB?

A: LMV324M/NOPB and LMV324MX/NOPB are electrically identical, differing only in packaging format and inventory availability. LMV324M/NOPB is supplied in Tube format with 2202 pcs inventory. LMV324MX/NOPB is supplied in Cut Tape & Digi-Reel format with significantly higher inventory at 177,800 pcs. For high-volume production, LMV324MX/NOPB is recommended due to superior supply availability and reel packaging efficiency.

Q10: Can I substitute MAX4483ASD-T with a single-channel or dual-channel amplifier?

A: No. MAX4483ASD-T contains four independent amplifier circuits. Any substitute must also provide four circuits to maintain functional equivalence. All recommended substitutes in this document provide exactly four circuits. Single-channel or dual-channel amplifiers are not compatible substitutes for this application.

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