MAX4134ESD Equivalent & Substitute Parts Reference

Part Overview

The MAX4134ESD is a general-purpose operational amplifier featuring four independent circuits in a 14-SOIC surface-mount package. Manufactured by Analog Devices Inc./Maxim Integrated, this device provides rail-to-rail output capability with a 4V/µs slew rate and 10 MHz gain-bandwidth product. The part is classified as obsolete, making equivalent and substitute components necessary for new designs and ongoing production requirements. Substitute parts must maintain compatibility across electrical performance, package form factor, and supply voltage specifications.

Key Parameters

Parameter	MAX4134ESD	Unit
Amplifier Type	General Purpose	—
Number of Circuits	4	Channels
Output Type	Rail-to-Rail	—
Package / Case	14-SOIC (0.154", 3.90mm Width)	—
Slew Rate	4	V/µs
Gain Bandwidth Product	10	MHz
Current - Input Bias	50	nA
Voltage - Input Offset	350	µV
Current - Supply (x4 Channels)	1	mA
Current - Output / Channel	50	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	6.5	V
Operating Temperature	-40 to 85	°C
Mounting Type	Surface Mount	—
RoHS Status	Non-compliant	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution eligibility for the MAX4134ESD is determined by the following critical parameters:

Primary Compatibility Criteria:

Package form factor: 14-SOIC (0.154", 3.90mm Width) surface mount
Circuit configuration: Four independent amplifier channels
Output architecture: Rail-to-rail capability
Supply voltage range: Minimum 2.7V, maximum 6.5V (or compatible subset)
Mounting type: Surface mount

Secondary Performance Considerations:

Slew rate: 4V/µs (baseline; higher values acceptable)
Gain-bandwidth product: 10 MHz (baseline; higher values acceptable)
Input bias current: 50 nA (baseline; lower values acceptable)
Input offset voltage: 350 µV (baseline; lower values acceptable)
Output current per channel: 50 mA (baseline; higher values acceptable)
Supply current: 1 mA per four channels (baseline; lower values acceptable)

Substitute parts must operate within the MAX4134ESD supply voltage envelope and maintain the 14-SOIC package specification. Parts with superior electrical characteristics (lower bias current, lower offset voltage, higher slew rate, higher bandwidth) are acceptable substitutes. Parts with reduced performance in these areas require application-specific evaluation.

Parameter Comparison

Parameter	MAX4134ESD	LMV324IDR	MCP6494T-E/SL	TLV2454AID	TLV2454AIDR	TLV2454IDR	TLV2464AID	TLV2464AIDR	TLV2464AMDREP	Unit
Amplifier Type	General Purpose	Voltage Feedback	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	—
Number of Circuits	4	4	4	4	4	4	4	4	4	Channels
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	—
Package / Case	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	14-SOIC	—
Slew Rate	4.0	—	6.0	0.11	0.11	0.11	1.6	1.6	1.6	V/µs
Gain Bandwidth Product	10	1	7.5	0.22	0.22	0.22	6.4	6.4	6.4	MHz
Current - Input Bias	50	10	1	0.5	0.5	0.5	1.3	1.3	1.3	pA/nA
Voltage - Input Offset	350	800	1500	300	300	300	500	500	150	µV
Current - Supply (x4 Channels)	1000	45	530	23	23	23	550	550	550	µA
Current - Output / Channel	50	25	15	10	10	10	80	80	80	mA
Voltage - Supply Span (Min)	2.7	2.1	2.4	2.7	2.7	2.7	2.7	2.7	2.7	V
Voltage - Supply Span (Max)	6.5	5.5	5.5	6.0	6.0	6.0	6.0	6.0	6.0	V
Operating Temperature	-40 to 85	-25 to 85	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-40 to 125	-55 to 125	°C
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	—
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active	Active	—

Engineering Selection Recommendations

Primary Substitutes (Highest Compatibility):

The TLV2464 series (TLV2464AID, TLV2464AIDR, TLV2464AMDREP) from Texas Instruments provides the closest electrical performance match to the MAX4134ESD. These parts maintain the 14-SOIC package, four-channel configuration, and rail-to-rail output specification. The TLV2464 series operates within the MAX4134ESD supply voltage range (2.7V to 6.0V) and delivers superior slew rate (1.6V/µs) and gain-bandwidth product (6.4 MHz) performance. All variants are ROHS3 compliant and carry active product status, ensuring long-term availability and supply chain stability.

Secondary Substitutes (Performance Trade-offs):

The MCP6494T-E/SL from Microchip Technology offers enhanced slew rate (6.0V/µs) and comparable gain-bandwidth product (7.5 MHz) within the 14-SOIC package. This part operates at a reduced maximum supply voltage (5.5V) compared to the MAX4134ESD (6.5V) and exhibits higher input offset voltage (1.5 mV). The MCP6494T-E/SL is ROHS3 compliant with active product status.

The TLV2454 series (TLV2454AID, TLV2454AIDR, TLV2454IDR) provides low-power operation (23 µA total supply current) with reduced output current capability (10 mA per channel). These parts are suitable for battery-powered or low-power applications where the MAX4134ESD's higher current consumption is not required. All TLV2454 variants are ROHS3 compliant with active product status.

Compliance Consideration:

The LMV324IDR from UMW is ROHS3 compliant and active but operates at a reduced maximum supply voltage (5.5V) and exhibits lower gain-bandwidth product (1 MHz). This part is suitable only for low-frequency applications where the MAX4134ESD's 10 MHz bandwidth is not required.

Regulatory Status:

All recommended substitute parts are ROHS3 compliant, addressing environmental and regulatory requirements that the obsolete MAX4134ESD does not meet. Designs transitioning from MAX4134ESD should prioritize active, ROHS3-compliant alternatives to ensure compliance with current procurement standards and long-term supply availability.

Frequently Asked Questions (FAQ)

Q: Can TLV2464AIDR directly replace MAX4134ESD in existing designs?

A: The TLV2464AIDR is pin-compatible and functionally equivalent within the 14-SOIC package. Both devices feature four independent rail-to-rail amplifier channels. The TLV2464AIDR operates within the MAX4134ESD supply voltage range (2.7V to 6.0V) and delivers superior electrical performance (1.6V/µs slew rate, 6.4 MHz bandwidth). No circuit modifications are required for direct substitution in most applications. However, designs operating at supply voltages above 6.0V require evaluation.

Q: What is the key difference between TLV2454 and TLV2464 series?

A: The TLV2454 series is optimized for ultra-low power consumption (23 µA total supply current) with reduced output current (10 mA per channel) and lower bandwidth (220 kHz). The TLV2464 series provides higher performance with 1.6V/µs slew rate, 6.4 MHz bandwidth, and 80 mA output current per channel at the cost of increased supply current (550 µA). Select TLV2454 for battery-powered or low-frequency applications; select TLV2464 for general-purpose applications requiring higher performance.

Q: Are all substitute parts ROHS3 compliant?

A: All recommended substitute parts (TLV2464 series, MCP6494T-E/SL, TLV2454 series, and LMV324IDR) are ROHS3 compliant. The original MAX4134ESD is RoHS non-compliant. Designs requiring regulatory compliance must transition to one of the substitute parts listed.

Q: What is the maximum supply voltage for each substitute?

A: TLV2464 series and TLV2454 series: 6.0V maximum. MCP6494T-E/SL: 5.5V maximum. LMV324IDR: 5.5V maximum. The MAX4134ESD operates to 6.5V. Designs requiring operation above 6.0V are limited to the TLV2464 series, which operates to 6.0V.

Q: Which substitute offers the lowest power consumption?

A: The TLV2454 series (all variants) consumes 23 µA total supply current across four channels. The LMV324IDR consumes 45 µA. The TLV2464 series consumes 550 µA. The MCP6494T-E/SL consumes 530 µA. Select TLV2454 for battery-powered applications where power consumption is critical.

Q: Can MCP6494T-E/SL replace MAX4134ESD in high-speed applications?

A: The MCP6494T-E/SL offers the highest slew rate (6.0V/µs) among all substitutes, exceeding the MAX4134ESD (4.0V/µs). However, the MCP6494T-E/SL maximum supply voltage is limited to 5.5V compared to the MAX4134ESD 6.5V. For applications requiring both high slew rate and operation above 5.5V, the TLV2464 series (1.6V/µs slew rate, 6.0V maximum) is the appropriate choice.

Q: What packaging options are available for substitute parts?

A: All substitute parts are available in 14-SOIC surface-mount package. Packaging variants include Tube, Cut Tape (CT), Digi-Reel®, and Tape & Reel (TR). The specific packaging designation (AID, AIDR, IDR, CD, AMDREP) indicates the packaging and reel configuration. Verify packaging requirements with your procurement specification before ordering.

Q: Is the TLV2464AMDREP suitable for military or extended temperature applications?

A: The TLV2464AMDREP operates across an extended temperature range (-55°C to 125°C) compared to standard TLV2464 variants (-40°C to 125°C). This extended range is suitable for industrial and harsh environment applications. The MAX4134ESD operates only to -40°C to 85°C. The TLV2464AMDREP is ROHS3 compliant and active.

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