MAX4436ESA+ Equivalent & Substitute Parts

Part Overview

The MAX4436ESA+ is a general-purpose operational amplifier featuring dual circuits in an 8-SOIC surface mount package, manufactured by Analog Devices Inc./Maxim Integrated. This device is classified as obsolete, indicating it has been discontinued and is no longer in active production. The part delivers a slew rate of 133V/µs with a -3dB bandwidth of 150 MHz, suitable for general-purpose amplification applications requiring moderate speed performance.

Due to its obsolete status, sourcing new units from original manufacturing channels is no longer available. Equivalent and substitute parts must be evaluated based on matching electrical characteristics, package compatibility, and functional requirements to ensure seamless integration into existing designs or new production runs.

Key Parameters

Parameter	MAX4436ESA+
Amplifier Type	General Purpose
Number of Circuits	2
Slew Rate	133 V/µs
-3dB Bandwidth	150 MHz
Current - Input Bias	14 µA
Voltage - Input Offset	1 mV
Current - Supply (x2 Channels)	15 mA
Current - Output / Channel	65 mA
Voltage - Supply Span (Min)	4.5 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 85°C
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Product Status	Obsolete
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the MAX4436ESA+ is determined by the following critical parameters:

Package Compatibility: All substitute parts must use the 8-SOIC (0.154", 3.90mm Width) surface mount package to ensure mechanical and electrical compatibility with existing PCB layouts.

Dual Circuit Configuration: The MAX4436ESA+ contains 2 circuits. All substitute parts must provide dual amplifier circuits to maintain functional equivalence.

Supply Voltage Range: The original part operates within 4.5V to 5.5V. Substitute parts must support this voltage range or a compatible superset range to function in the same power supply environment.

Electrical Performance: Slew rate, bandwidth, input bias current, input offset voltage, and output current capabilities determine functional suitability. Substitutes with equal or superior performance characteristics are acceptable.

Compliance and Status: All substitute parts must maintain ROHS3 compliance and active or available product status to ensure long-term sourcing viability.

The substitute parts are grouped into distinct amplifier technology categories: Zero-Drift amplifiers (AD8539ARZ-REEL7, LMP2022MAX/NOPB), Voltage Feedback amplifier (THS4222D), J-FET amplifier (TL072CDT), and CMOS amplifiers (TLV2322IDR, TLV2342ID). Each category offers different performance trade-offs suitable for specific application requirements.

Parameter Comparison

Parameter	MAX4436ESA+	AD8539ARZ-REEL7	LMP2022MAX/NOPB	THS4222D	TL072CDT	TLV2322IDR	TLV2342ID
Amplifier Type	General Purpose	Zero-Drift	Zero-Drift	Voltage Feedback	J-FET	CMOS	CMOS
Number of Circuits	2	2	2	2	2	2	2
Slew Rate (V/µs)	133	0.4	2.6	990	16	0.03	3.6
-3dB Bandwidth / Gain Bandwidth Product	150 MHz	430 kHz	5 MHz	230 MHz	4 MHz	85 kHz	1.7 MHz
Current - Input Bias	14 µA	15 pA	25 pA	900 nA	20 pA	0.6 pA	0.6 pA
Voltage - Input Offset	1 mV	5 µV	0.4 µV	3 mV	3 mV	1.1 mV	1.1 mV
Current - Supply (x2 Channels)	15 mA	170 µA	1.1 mA	14 mA	1.4 mA	20 µA	1.4 mA
Current - Output / Channel	65 mA	25 mA	50 mA	100 mA	40 mA	30 mA	30 mA
Voltage - Supply Span (Min)	4.5 V	2.7 V	2.2 V	2.7 V	6 V	2 V	2 V
Voltage - Supply Span (Max)	5.5 V	5.5 V	5.5 V	15 V	36 V	8 V	8 V
Operating Temperature	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C	-40°C ~ 85°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Product Status	Obsolete	Active	Active	Active	Active	Active	Last Time Buy
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant

Engineering Selection Recommendations

THS4222D (Texas Instruments) is the primary substitute for applications requiring high-speed performance comparable to the MAX4436ESA+. This voltage feedback amplifier delivers 990V/µs slew rate and 230 MHz bandwidth, exceeding the original part's specifications. It maintains active product status and ROHS3 compliance. The extended supply voltage range (2.7V to 15V) provides design flexibility beyond the original 4.5V to 5.5V specification. Output current capability of 100 mA per channel exceeds the original 65 mA specification, supporting higher load requirements.

AD8539ARZ-REEL7 (Analog Devices Inc.) and LMP2022MAX/NOPB (Texas Instruments) are zero-drift amplifiers suitable for precision applications where input offset voltage and input bias current minimization are critical. Both parts maintain active product status and ROHS3 compliance with extended operating temperature ranges (-40°C to 125°C). These substitutes trade slew rate and bandwidth performance for superior DC accuracy characteristics. AD8539ARZ-REEL7 offers 430 kHz gain bandwidth product with 5 µV input offset voltage. LMP2022MAX/NOPB provides 5 MHz gain bandwidth product with 0.4 µV input offset voltage, representing the lowest offset voltage among all substitutes.

TL072CDT (STMicroelectronics) is a J-FET amplifier with active product status and AEC-Q100 automotive qualification. This part features extremely low input bias current (20 pA) and operates across an extended supply voltage range (6V to 36V). The operating temperature range is limited to 0°C to 70°C, which may restrict use in applications requiring full -40°C to 85°C coverage.

TLV2322IDR (Texas Instruments) and TLV2342ID (Texas Instruments) are CMOS amplifiers offering ultra-low supply current consumption (20 µA and 1.4 mA respectively for dual channels). TLV2322IDR maintains active product status with minimal power draw suitable for battery-powered applications. TLV2342ID is designated Last Time Buy, indicating limited future availability. Both CMOS options provide the lowest input bias current (0.6 pA) among all substitutes but deliver reduced slew rate and bandwidth performance compared to the original part.

Compliance and Sourcing: All recommended substitutes maintain ROHS3 compliance and REACH unaffected status. AD8539ARZ-REEL7, LMP2022MAX/NOPB, THS4222D, and TLV2322IDR carry active product status ensuring long-term availability. TLV2342ID is designated Last Time Buy, requiring expedited procurement decisions. TL072CDT is active but with automotive-grade qualification and limited temperature range.

Frequently Asked Questions (FAQ)

Q: Can the MAX4436ESA+ be directly replaced with any of these substitute parts?

A: Direct replacement requires matching the 8-SOIC package format, which all listed substitutes provide. However, electrical performance characteristics differ significantly. THS4222D provides the closest performance match for high-speed applications. Zero-drift amplifiers (AD8539ARZ-REEL7, LMP2022MAX/NOPB) and CMOS amplifiers (TLV2322IDR, TLV2342ID) are suitable only for applications where reduced slew rate and bandwidth are acceptable in exchange for improved DC accuracy or power efficiency.

Q: What is the primary difference between the substitute part categories?

A: Voltage Feedback amplifiers (THS4222D) prioritize high slew rate and bandwidth for fast signal processing. Zero-Drift amplifiers (AD8539ARZ-REEL7, LMP2022MAX/NOPB) minimize input offset voltage and bias current for precision DC measurements. J-FET amplifiers (TL072CDT) provide extremely low input bias current with extended supply voltage range. CMOS amplifiers (TLV2322IDR, TLV2342ID) minimize power consumption for battery-powered applications.

Q: Are all substitutes compatible with the original 4.5V to 5.5V supply voltage?

A: AD8539ARZ-REEL7, LMP2022MAX/NOPB, and THS4222D support the 4.5V to 5.5V range within their specified supply voltage limits. TL072CDT requires minimum 6V supply, making it incompatible with 4.5V to 5.5V operation. TLV2322IDR and TLV2342ID support 2V to 8V range, encompassing the original specification.

Q: Which substitute offers the best long-term sourcing availability?

A: THS4222D, AD8539ARZ-REEL7, TLV2322IDR, and TL072CDT maintain active product status. LMP2022MAX/NOPB is active with substantial inventory. TLV2342ID is designated Last Time Buy, indicating limited future production and requiring immediate procurement if selected.

Q: What are the temperature operating range considerations?

A: MAX4436ESA+ operates -40°C to 85°C. AD8539ARZ-REEL7 and LMP2022MAX/NOPB extend to -40°C to 125°C. THS4222D and TLV2322IDR match the original -40°C to 85°C range. TL072CDT is limited to 0°C to 70°C, restricting use in full industrial temperature applications.

Q: How do output current capabilities compare?

A: MAX4436ESA+ provides 65 mA per channel. THS4222D exceeds this with 100 mA per channel. LMP2022MAX/NOPB provides 50 mA per channel. AD8539ARZ-REEL7 provides 25 mA per channel. TL072CDT provides 40 mA per channel. TLV2322IDR and TLV2342ID provide 30 mA per channel. Applications requiring 65 mA or higher output current should prioritize THS4222D or LMP2022MAX/NOPB.

Q: What packaging options are available?

A: All substitute parts are supplied in 8-SOIC (0.154", 3.90mm Width) surface mount package, matching the original MAX4436ESA+ package format. Packaging variations include Cut Tape & Digi-Reel (AD8539ARZ-REEL7, LMP2022MAX/NOPB, TL072CDT), Tube (THS4222D, TLV2342ID), and Tape & Reel (TLV2322IDR).

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