OPA2364IDRG4 Equivalent & Substitute Parts

Part Overview

The OPA2364IDRG4 is a CMOS dual-channel operational amplifier manufactured by Texas Instruments, packaged in 8-SOIC surface mount configuration. This device features rail-to-rail output capability and is designed for low-power, general-purpose amplification applications across industrial and consumer electronics. The OPA2364IDRG4 is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent substitute components that maintain compatibility with existing circuit designs while ensuring continued product availability and supply chain reliability.

Key Parameters

Parameter	Value	Unit
Amplifier Type	CMOS	—
Number of Circuits	2	Channels
Output Type	Rail-to-Rail	—
Slew Rate	5	V/µs
Gain Bandwidth Product	7	MHz
Current - Input Bias	1	pA
Voltage - Input Offset	900	µV
Current - Supply (per 2 Channels)	1.1	mA
Current - Output / Channel	85	mA
Voltage - Supply Span (Min)	1.8	V
Voltage - Supply Span (Max)	5.5	V
Operating Temperature	-40 to 125	°C
Package / Case	8-SOIC (0.154", 3.90mm Width)	—
Mounting Type	Surface Mount	—
RoHS Status	ROHS3 Compliant	—
Moisture Sensitivity Level	2 (1 Year)	—

Substitute Part Grouping Explanation

Substitute components for the OPA2364IDRG4 are classified based on strict electrical and mechanical compatibility criteria. The primary substitution parameters are:

Critical Matching Parameters:

Package type: 8-SOIC surface mount (0.154", 3.90mm width)
Number of circuits: 2 channels
Output configuration: Rail-to-rail
Supply voltage range: Minimum 1.8V, Maximum 5.5V
Operating temperature range: -40°C to 125°C
RoHS3 compliance and REACH unaffected status

Performance Parameters Defining Substitution Groups:

Slew rate (5V/µs baseline)
Gain bandwidth product (7 MHz baseline)
Input bias current (1 pA baseline)
Input offset voltage (900 µV baseline)
Supply current consumption (1.1 mA per 2 channels baseline)
Output current capability (85 mA per channel baseline)

Substitutes are grouped into two categories: Direct Equivalents (matching all critical parameters with identical or superior performance) and Functional Alternatives (meeting package and supply requirements with performance variations acceptable for general-purpose applications).

Parameter Comparison

Part Number	Manufacturer	Amplifier Type	Slew Rate (V/µs)	GBW (MHz)	Input Bias (pA)	Input Offset (µV)	Supply Current (mA)	Output Current (mA)	Supply Min (V)	Supply Max (V)	Temp Range (°C)	Status
OPA2364IDRG4	Texas Instruments	CMOS	5	7	1	900	1.1	85	1.8	5.5	-40 to 125	Discontinued
OPA2364IDR	Texas Instruments	CMOS	5	7	1	900	1.1	85	1.8	5.5	-40 to 125	Active
AD8602WARZ-R7	Analog Devices Inc.	CMOS	6	8.4	0.2	80	0.75	50	2.7	5.5	-40 to 125	Active
AD8607ARZ	Analog Devices Inc.	CMOS	0.1	0.4	0.2	12	0.04	70	1.8	5	-40 to 125	Active
AD8607ARZ-REEL	Analog Devices Inc.	CMOS	0.1	0.4	0.2	12	0.04	70	1.8	5	-40 to 125	Active
AD8607ARZ-REEL7	Analog Devices Inc.	CMOS	0.1	0.4	0.2	12	0.04	70	1.8	5	-40 to 125	Active
AD8617ARZ	Analog Devices Inc.	CMOS	0.1	0.4	0.2	400	0.038	80	1.8	5	-40 to 125	Active
AD8617ARZ-REEL7	Analog Devices Inc.	CMOS	0.1	0.4	0.2	400	0.038	80	1.8	5	-40 to 125	Active
ISL28230FBZ-T7A	Renesas Electronics Corporation	General Purpose	0.2	0.4	250	5	0.02	15	1.8	5.5	-40 to 125	Active
LMV822IDT	STMicroelectronics	General Purpose	1.9	5.5	60	3500	0.3	70	2.5	5.5	-40 to 125	Active
MAX4326ESA+	Analog Devices Inc./Maxim Integrated	General Purpose	2	5	50	700	0.725	50	2.4	6.5	-40 to 85	Active

Engineering Selection Recommendations

Primary Substitute: OPA2364IDR

The OPA2364IDR is the direct equivalent to OPA2364IDRG4, manufactured by Texas Instruments with identical electrical specifications. This part maintains all performance parameters including 5V/µs slew rate, 7 MHz gain bandwidth product, 1 pA input bias current, and 900 µV input offset voltage. The OPA2364IDR is currently in active production status with 34,035 pieces in stock, ensuring supply continuity. Both parts are ROHS3 compliant and REACH unaffected. The primary difference is packaging format: OPA2364IDR is supplied in Cut Tape and Digi-Reel format, while OPA2364IDRG4 was supplied in alternative packaging. Pin configuration and electrical performance are identical, enabling direct substitution in existing designs.

Secondary Substitutes: AD8602WARZ-R7, LMV822IDT

The AD8602WARZ-R7 (Analog Devices Inc.) offers enhanced performance with 6V/µs slew rate and 8.4 MHz gain bandwidth product, superior input offset voltage (80 µV), and reduced supply current (0.75 mA). This part is suitable for applications requiring improved dynamic response while maintaining the 8-SOIC package and -40°C to 125°C operating range. Minimum supply voltage is 2.7V, which may require circuit redesign in ultra-low-voltage applications.

The LMV822IDT (STMicroelectronics) provides automotive-grade qualification (AEC-Q100) with 1.9V/µs slew rate and 5.5 MHz gain bandwidth product. This part is suitable for automotive and industrial applications requiring AEC-Q100 certification. Minimum supply voltage is 2.5V, and input offset voltage is 3.5 mV, which may require offset compensation in precision applications.

Functional Alternatives: AD8607 Series, AD8617 Series

The AD8607ARZ, AD8607ARZ-REEL, and AD8607ARZ-REEL7 are ultra-low-power alternatives with 40 µA supply current and 12 µV input offset voltage. These parts feature significantly reduced slew rate (0.1V/µs) and gain bandwidth product (400 kHz), making them suitable only for low-frequency, precision measurement applications. Maximum supply voltage is 5V (not 5.5V).

The AD8617ARZ and AD8617ARZ-REEL7 share identical performance characteristics with AD8607 series but offer 80 mA output current capability and 400 µV input offset voltage. These parts are suitable for low-frequency applications requiring higher output drive capability.

Limited Compatibility: ISL28230FBZ-T7A, MAX4326ESA+

The ISL28230FBZ-T7A (Renesas Electronics Corporation) and MAX4326ESA+ (Analog Devices Inc./Maxim Integrated) meet package and supply voltage requirements but exhibit significant performance deviations. ISL28230FBZ-T7A provides only 15 mA output current per channel and 20 µA supply current, limiting applicability to low-power signal conditioning. MAX4326ESA+ operates only to 85°C maximum temperature (not 125°C) and requires minimum 2.4V supply voltage, restricting use in extended-temperature and ultra-low-voltage designs.

Frequently Asked Questions (FAQ)

Q: Can OPA2364IDR directly replace OPA2364IDRG4 in existing PCB designs?

A: Yes. The OPA2364IDR is electrically and functionally identical to OPA2364IDRG4. Both devices feature identical pin configuration in 8-SOIC package, matching electrical specifications (5V/µs slew rate, 7 MHz gain bandwidth product, 1 pA input bias current, 900 µV input offset voltage), and identical supply voltage range (1.8V to 5.5V). The only difference is packaging format (Cut Tape/Digi-Reel versus alternative packaging). No circuit modifications are required.

Q: What is the key difference between OPA2364 and AD8602 substitutes?

A: The AD8602WARZ-R7 offers superior performance specifications compared to OPA2364IDRG4: higher slew rate (6V/µs versus 5V/µs), higher gain bandwidth product (8.4 MHz versus 7 MHz), lower input offset voltage (80 µV versus 900 µV), and lower supply current (0.75 mA versus 1.1 mA). However, AD8602WARZ-R7 requires minimum 2.7V supply voltage, whereas OPA2364IDRG4 operates from 1.8V. Substitution is appropriate for applications not requiring ultra-low-voltage operation.

Q: Are AD8607 and AD8617 series suitable replacements for OPA2364IDRG4?

A: AD8607 and AD8617 series are not recommended as direct replacements. While these parts share the 8-SOIC package and -40°C to 125°C operating range, they exhibit fundamentally different performance characteristics: slew rate is reduced to 0.1V/µs (versus 5V/µs), gain bandwidth product is reduced to 400 kHz (versus 7 MHz), and supply current is reduced to 40 µA (versus 1.1 mA). These parts are designed for ultra-low-power, low-frequency applications and are unsuitable for circuits requiring the dynamic performance of OPA2364IDRG4.

Q: What is the significance of packaging format differences (Tube, Cut Tape, Digi-Reel)?

A: Packaging format affects supply chain logistics and handling but does not impact electrical performance or pin configuration. Tube packaging is suitable for manual assembly and small-volume production. Cut Tape and Digi-Reel formats are optimized for automated pick-and-place assembly in high-volume manufacturing. All three formats contain identical die and electrical specifications. Selection should be based on production volume and assembly equipment compatibility.

Q: Can LMV822IDT replace OPA2364IDRG4 in non-automotive applications?

A: LMV822IDT is functionally compatible with OPA2364IDRG4 in applications not requiring the full performance envelope of the original part. LMV822IDT provides 1.9V/µs slew rate (versus 5V/µs) and 5.5 MHz gain bandwidth product (versus 7 MHz), with higher input offset voltage (3.5 mV versus 900 µV). The part is suitable for general-purpose signal conditioning and filtering applications operating below 1 MHz. Minimum supply voltage is 2.5V (versus 1.8V for OPA2364IDRG4). AEC-Q100 automotive qualification is not required for non-automotive applications.

Q: What are the supply voltage compatibility constraints for substitute selection?

A: OPA2364IDRG4 operates across 1.8V to 5.5V supply range. Substitute parts exhibit varying minimum supply voltage requirements: OPA2364IDR (1.8V), AD8602WARZ-R7 (2.7V), AD8607/AD8617 series (1.8V), ISL28230FBZ-T7A (1.8V), LMV822IDT (2.5V), and MAX4326ESA+ (2.4V). Circuits designed for 1.8V to 2.4V operation must use OPA2364IDR, AD8607/AD8617 series, or ISL28230FBZ-T7A. Circuits operating above 2.7V can use any substitute listed.

Q: Is RoHS3 compliance maintained across all substitute parts?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected, matching the compliance status of OPA2364IDRG4. This ensures regulatory compliance for applications subject to RoHS3 and REACH requirements in EU and international markets.

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