MAX4195ESA-T Equivalent & Substitute Parts Reference

Part Overview

The MAX4195ESA-T is an instrumentation amplifier manufactured by Analog Devices Inc./Maxim Integrated, featuring a single circuit with rail-to-rail output in an 8-SOIC surface mount package. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for new designs and production continuity. The MAX4195ESA-T delivers precision signal conditioning with low input bias current and minimal input offset voltage, suitable for measurement and instrumentation applications requiring low-noise amplification across a 2.7V to 7.5V supply range.

Key Parameters

Parameter	Value	Unit
Amplifier Type	Instrumentation	—
Number of Circuits	1	—
Output Type	Rail-to-Rail	—
Slew Rate	0.06	V/µs
-3dB Bandwidth	220	kHz
Current - Input Bias	6	nA
Voltage - Input Offset	100	µV
Current - Supply	93	µA
Current - Output / Channel	4.5	mA
Voltage - Supply Span (Min)	2.7	V
Voltage - Supply Span (Max)	7.5	V
Operating Temperature	-40 to 85	°C
Package / Case	8-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 MAX4195ESA-T is determined by the following critical parameters: amplifier type (instrumentation vs. general purpose), output type (rail-to-rail capability), package compatibility (8-SOIC form factor), supply voltage range, input bias current, input offset voltage, and product status (active vs. obsolete).

The substitute parts are grouped into two categories:

Direct Functional Equivalent (Same Amplifier Type): The MAX4195ESA+T is an instrumentation amplifier with identical electrical specifications to the MAX4195ESA-T. The only difference is packaging format (Tape & Reel vs. tube) and product status (Active vs. Obsolete). This part maintains all key parameters including slew rate, bandwidth, input bias current, input offset voltage, and supply voltage range.

The INA122UA/2K5 is a Texas Instruments instrumentation amplifier in the same 8-SOIC package. While it shares the instrumentation amplifier classification and 8-SOIC package, it exhibits different electrical characteristics: higher slew rate (0.16V/µs vs. 0.06V/µs), lower bandwidth (120 kHz vs. 220 kHz), higher input bias current (10 nA vs. 6 nA), higher input offset voltage (150 µV vs. 100 µV), lower supply current (60 µA vs. 93 µA), and significantly higher output current capability (30 mA vs. 4.5 mA). The supply voltage range is broader (2.2V to 36V vs. 2.7V to 7.5V).

Alternative Amplifier Type (General Purpose Amplifiers): The MCP6021-I/SN and OPA340UA/2K5 are general purpose operational amplifiers, not instrumentation amplifiers. These parts share the 8-SOIC package and rail-to-rail output capability but differ fundamentally in amplifier topology and performance characteristics. General purpose amplifiers require external gain-setting resistors and do not provide the integrated gain configuration inherent to instrumentation amplifiers.

Parameter Comparison

Parameter	MAX4195ESA-T	MAX4195ESA+T	INA122UA/2K5	MCP6021-I/SN	OPA340UA/2K5	Unit
Manufacturer	Analog Devices / Maxim	Analog Devices / Maxim	Texas Instruments	Microchip Technology	Texas Instruments	—
Product Status	Obsolete	Active	Active	Active	Active	—
Amplifier Type	Instrumentation	Instrumentation	Instrumentation	General Purpose	General Purpose	—
Number of Circuits	1	1	1	1	1	—
Output Type	Rail-to-Rail	Rail-to-Rail	—	Rail-to-Rail	Rail-to-Rail	—
Slew Rate	0.06	0.06	0.16	7	6	V/µs
-3dB Bandwidth	220	220	120	—	—	kHz
Current - Input Bias	6	6	10	1	0.2	nA / pA
Voltage - Input Offset	100	100	150	500	150	µV
Current - Supply	93	93	60	1	750	µA
Current - Output / Channel	4.5	4.5	30	30	50	mA
Voltage - Supply Span (Min)	2.7	2.7	2.2	2.5	2.5	V
Voltage - Supply Span (Max)	7.5	7.5	36	5.5	5.5	V
Operating Temperature	-40 to 85	-40 to 85	-40 to 85	-40 to 85	-40 to 85	°C
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	—
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	—
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—
MSL Rating	1 (Unlimited)	1 (Unlimited)	3 (168 Hours)	1 (Unlimited)	2 (1 Year)	—

Engineering Selection Recommendations

Primary Substitute: MAX4195ESA+T

The MAX4195ESA+T is the direct functional equivalent of the MAX4195ESA-T. Both parts are manufactured by Analog Devices Inc./Maxim Integrated and share identical electrical specifications, package form factor, and operating characteristics. The MAX4195ESA+T is currently in Active product status, ensuring long-term availability and supply chain continuity. The only distinction is packaging format: MAX4195ESA+T is supplied in Tape & Reel format versus the original tube packaging. Both parts are ROHS3 compliant with MSL rating of 1 (Unlimited). This substitution requires no circuit redesign or performance verification.

Secondary Substitute: INA122UA/2K5

The INA122UA/2K5 is a Texas Instruments instrumentation amplifier in the same 8-SOIC package with Active product status. This part maintains the instrumentation amplifier topology and is suitable for applications where the broader supply voltage range (2.2V to 36V) and higher output current capability (30 mA) are advantageous. However, the INA122UA/2K5 exhibits reduced bandwidth (120 kHz vs. 220 kHz), higher input offset voltage (150 µV vs. 100 µV), and higher input bias current (10 nA vs. 6 nA). The MSL rating is 3 (168 Hours), requiring controlled storage conditions. This substitution is appropriate for applications tolerant of the specified parameter variations.

Alternative Consideration: MCP6021-I/SN and OPA340UA/2K5

The MCP6021-I/SN and OPA340UA/2K5 are general purpose operational amplifiers, not instrumentation amplifiers. These parts are fundamentally different in topology and require external gain-setting resistor networks. Substitution with these parts is not recommended for direct replacement in instrumentation amplifier applications. These alternatives are listed only for reference in applications where general purpose amplification is acceptable and where the designer can implement external gain configuration.

Frequently Asked Questions (FAQ)

Q: Can MAX4195ESA+T be used as a direct replacement for MAX4195ESA-T?

A: Yes. The MAX4195ESA+T is electrically and functionally identical to the MAX4195ESA-T. The only difference is packaging format (Tape & Reel vs. tube) and product status (Active vs. Obsolete). No circuit modifications are required. Both parts are ROHS3 compliant and share identical electrical specifications.

Q: What are the key differences between MAX4195ESA-T and INA122UA/2K5?

A: Both are instrumentation amplifiers in 8-SOIC packages, but they differ in several parameters. The INA122UA/2K5 has lower bandwidth (120 kHz vs. 220 kHz), higher input offset voltage (150 µV vs. 100 µV), higher input bias current (10 nA vs. 6 nA), and significantly higher output current capability (30 mA vs. 4.5 mA). The INA122UA/2K5 supports a broader supply voltage range (2.2V to 36V vs. 2.7V to 7.5V). The MSL rating differs: INA122UA/2K5 is rated MSL 3 (168 Hours) versus MSL 1 (Unlimited) for MAX4195ESA-T.

Q: Why are MCP6021-I/SN and OPA340UA/2K5 listed as substitutes if they are general purpose amplifiers?

A: MCP6021-I/SN and OPA340UA/2K5 are listed as alternatives only for applications where general purpose amplification is acceptable. These parts are not instrumentation amplifiers and do not provide integrated gain configuration. They require external resistor networks for gain setting. Direct substitution in instrumentation amplifier circuits is not recommended without circuit redesign.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts—MAX4195ESA+T, INA122UA/2K5, MCP6021-I/SN, and OPA340UA/2K5—are ROHS3 compliant.

Q: What is the significance of MSL (Moisture Sensitivity Level) ratings?

A: MSL rating indicates moisture sensitivity during storage and handling. MAX4195ESA-T and MAX4195ESA+T are rated MSL 1 (Unlimited), requiring no special moisture control. INA122UA/2K5 is rated MSL 3 (168 Hours), requiring controlled storage conditions and baking procedures before reflow soldering. OPA340UA/2K5 is rated MSL 2 (1 Year). MCP6021-I/SN is rated MSL 1 (Unlimited).

Q: Can the MAX4195ESA-T be used in new designs?

A: No. The MAX4195ESA-T is classified as Obsolete. New designs should use MAX4195ESA+T (direct equivalent, Active status) or evaluate INA122UA/2K5 based on application requirements.

Q: What is the package compatibility between these parts?

A: All listed parts use the 8-SOIC (0.154", 3.90mm Width) surface mount package. They are mechanically and electrically compatible at the package level. However, functional compatibility depends on amplifier type and electrical specifications.

Q: Which substitute part has the lowest input offset voltage?

A: The MAX4195ESA-T and MAX4195ESA+T both have the lowest input offset voltage at 100 µV. The INA122UA/2K5 has 150 µV, while MCP6021-I/SN has 500 µV and OPA340UA/2K5 has 150 µV.

Q: Which substitute part has the highest output current capability?

A: The OPA340UA/2K5 has the highest output current capability at 50 mA per channel, followed by MCP6021-I/SN and INA122UA/2K5 at 30 mA each. The MAX4195ESA-T and MAX4195ESA+T are limited to 4.5 mA.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message