OP07J8 Equivalent & Substitute Parts

Part Overview

The OP07J8 is a general-purpose operational amplifier manufactured by Analog Devices Inc., housed in an 8-CERDIP ceramic dual-in-line package. This device is classified as obsolete, though 1,676 units remain in stock as new original inventory. The OP07J8 operates across a wide temperature range of -55°C to 125°C and supports supply voltages from 6V to 36V, making it suitable for precision analog applications requiring low input offset voltage and low input bias current.

Due to its obsolete status, equivalent and substitute parts are necessary for new designs, production continuity, and long-term system support. Active alternatives with comparable or enhanced electrical characteristics are available from Analog Devices Inc. and Texas Instruments.

Key Parameters

Parameter	OP07J8	Unit
Amplifier Type	General Purpose	—
Number of Circuits	1	—
Slew Rate	0.25	V/µs
Gain Bandwidth Product	600	kHz
Current - Input Bias	1	nA
Voltage - Input Offset	30	µV
Voltage - Supply Span (Min)	6	V
Voltage - Supply Span (Max)	36	V
Operating Temperature	-55°C ~ 125°C	—
Package / Case	8-CDIP (0.300", 7.62mm)	—
Mounting Type	Through Hole	—
Product Status	Obsolete	—

Substitute Part Grouping Explanation

Substitution of the OP07J8 is determined by the following critical parameters:

Electrical Compatibility Criteria:

Amplifier type (general purpose)
Number of circuits (single circuit)
Supply voltage range (minimum 6V, maximum 36V)
Operating temperature range (-55°C to 125°C preferred for extended range applications)
Input bias current and input offset voltage characteristics
Slew rate and gain bandwidth product (performance envelope)

Mechanical Compatibility Criteria:

Package type (8-CERDIP or 8-DIP through-hole packages)
Pin configuration (8-pin DIP standard)
Mounting type (through-hole)

Substitute parts are grouped into two categories:

Category 1: Direct Electrical Equivalents (8-CERDIP Package) Parts maintaining the same package type and extended temperature range: OP27AZ, OP27AZ/883C, OP27EZ

Category 2: Functional Equivalents (Alternative Package Types) Parts with compatible electrical characteristics but different package configurations: OP37EZ (8-PDIP), OP27GZ (8-PDIP), OP07CP (8-PDIP)

Parameter Comparison

Parameter	OP07J8	OP27AZ/883C	OP27EZ	OP37EZ	OP07CP	OP27AZ	OP27GZ	Unit
Amplifier Type	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	General Purpose	—
Number of Circuits	1	1	1	1	1	1	1	—
Slew Rate	0.25	2.8	2.8	17	0.3	2.8	2.8	V/µs
Gain Bandwidth Product	600	8000	8000	63000	600	8000	8000	kHz
Current - Input Bias	1	10	10	10	1.8	10	15	nA
Voltage - Input Offset	30	10	10	10	60	10	30	µV
Voltage - Supply Span (Min)	6	8	8	8	6	8	8	V
Voltage - Supply Span (Max)	36	36	36	36	36	36	36	V
Operating Temperature	-55°C ~ 125°C	-55°C ~ 125°C	-25°C ~ 85°C	0°C ~ 70°C	0°C ~ 70°C	-55°C ~ 125°C	-40°C ~ 85°C	—
Package / Case	8-CDIP (0.300", 7.62mm)	8-CDIP (0.300", 7.62mm)	8-CDIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	8-CDIP (0.300", 7.62mm)	8-DIP (0.300", 7.62mm)	—
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	Through Hole	—
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	—
RoHS Status	—	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	—

Engineering Selection Recommendations

For Direct Package Replacement (8-CERDIP):

OP27AZ and OP27AZ/883C are the primary substitutes for the OP07J8 when package compatibility is required. Both maintain the 8-CERDIP ceramic package and support the full extended temperature range of -55°C to 125°C. OP27AZ/883C carries military qualification under MIL-STD-883, making it suitable for aerospace and defense applications. Both parts are active products with ROHS3 compliance and REACH unaffected status, ensuring long-term availability and regulatory compliance.

OP27EZ provides an alternative 8-CERDIP substitute with active product status and ROHS3 compliance. However, its operating temperature range is limited to -25°C to 85°C, restricting its use to applications not requiring the full extended temperature capability of the original OP07J8.

For Functional Equivalence with Package Alternatives:

OP07CP (Texas Instruments) maintains electrical characteristics closely aligned with the OP07J8, including the same 600 kHz gain bandwidth product and 6V minimum supply voltage. It is housed in an 8-DIP plastic package and is active with ROHS3 compliance. This option is suitable for applications where package type flexibility exists and extended temperature operation below 0°C is not required.

OP27AZ (Analog Devices Inc.) in 8-CERDIP package offers enhanced performance with 2.8V/µs slew rate and 8 MHz gain bandwidth product while maintaining the extended temperature range. This part is active and ROHS3 compliant.

OP27GZ provides functional equivalence in an 8-DIP package with 2.8V/µs slew rate and 8 MHz gain bandwidth product. Operating temperature range is -40°C to 85°C. This part is active and ROHS3 compliant.

OP37EZ represents the highest performance option with 17V/µs slew rate and 63 MHz gain bandwidth product, suitable for applications requiring faster signal processing. It is housed in an 8-DIP package with operating temperature range of 0°C to 70°C. This part is active and ROHS3 compliant.

Compliance and Availability:

All substitute parts are active products with current manufacturing status, ensuring long-term availability. All listed substitutes carry ROHS3 compliance and REACH unaffected status, meeting modern environmental and regulatory requirements. Inventory levels for all substitutes exceed 1,700 units, providing supply security for production requirements.

Frequently Asked Questions (FAQ)

Q: Can OP27AZ directly replace OP07J8 in existing designs?

A: OP27AZ is a direct package replacement for OP07J8, both using the 8-CERDIP ceramic package. Both support the full extended temperature range of -55°C to 125°C and supply voltage range of 6V to 36V minimum to 36V maximum. OP27AZ offers improved performance with higher slew rate (2.8V/µs versus 0.25V/µs) and higher gain bandwidth product (8 MHz versus 600 kHz). Circuit validation is required to confirm performance compatibility in specific applications.

Q: What is the difference between OP27AZ and OP27AZ/883C?

A: Both parts are electrically identical with the same electrical specifications and 8-CERDIP package. OP27AZ/883C carries military qualification under MIL-STD-883, making it suitable for aerospace, defense, and other applications requiring military-grade components. OP27AZ/883C is the appropriate selection for military and high-reliability applications.

Q: Why does OP37EZ have different performance specifications?

A: OP37EZ is a higher-performance operational amplifier designed for applications requiring faster signal processing. It features 17V/µs slew rate and 63 MHz gain bandwidth product compared to OP07J8's 0.25V/µs and 600 kHz. OP37EZ is housed in an 8-DIP plastic package rather than ceramic. Selection depends on application requirements for speed and bandwidth.

Q: Can I use OP07CP as a substitute if my circuit board is designed for 8-CERDIP packages?

A: OP07CP uses an 8-DIP plastic package, which has different physical dimensions and thermal characteristics compared to the 8-CERDIP ceramic package. While both are 8-pin through-hole packages with 0.300" (7.62mm) spacing, the package type change may affect circuit board layout compatibility, thermal performance, and reliability in high-temperature environments. Package compatibility must be verified before substitution.

Q: What is the minimum supply voltage for OP27 series substitutes?

A: OP27AZ, OP27AZ/883C, OP27EZ, and OP27GZ all require a minimum supply voltage of 8V, compared to OP07J8's 6V minimum. Circuits designed to operate at 6V to 7.99V supply voltage cannot use OP27 series parts. OP07CP maintains the 6V minimum supply voltage requirement and is suitable for low-voltage applications.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts carry ROHS3 compliance status. OP07J8 does not specify RoHS status. All substitutes are REACH unaffected, confirming compliance with European environmental regulations.

Q: Which substitute offers the closest electrical match to OP07J8?

A: OP07CP (Texas Instruments) provides the closest electrical match with identical 600 kHz gain bandwidth product and 6V minimum supply voltage. Input bias current is 1.8 nA (versus 1 nA for OP07J8) and input offset voltage is 60 µV (versus 30 µV). Operating temperature range is limited to 0°C to 70°C. For applications requiring extended temperature operation, OP27AZ provides the best balance of performance and temperature range.

Q: What is the temperature range limitation for OP27EZ?

A: OP27EZ operates across -25°C to 85°C, which does not cover the full extended temperature range of OP07J8 (-55°C to 125°C). OP27EZ is unsuitable for applications requiring operation below -25°C or above 85°C. OP27AZ or OP27AZ/883C are required for full extended temperature range support.

Q: Can OP37EZ be used in low-speed precision applications?

A: OP37EZ is designed for high-speed applications with 17V/µs slew rate and 63 MHz gain bandwidth product. While it can function in low-speed applications, its enhanced performance characteristics may introduce unnecessary cost and complexity. OP07CP or OP27AZ are more appropriate selections for precision, low-speed analog applications.

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