XR2008ISO8 Equivalent & Substitute Parts

Part Overview

The XR2008ISO8 is a general purpose operational amplifier manufactured by MaxLinear, Inc., featuring dual circuits in an 8-SOIC surface mount package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and production continuity. The XR2008ISO8 delivers rail-to-rail output capability with a 50V/µs slew rate and 33 MHz gain bandwidth product, suitable for general purpose amplification applications across industrial and consumer electronics.

Key Parameters

Parameter	Value
Manufacturer Part Number	XR2008ISO8
Manufacturer	MaxLinear, Inc.
Category	Linear, Amplifiers
Amplifier Type	General Purpose
Number of Circuits	2
Output Type	Rail-to-Rail
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
Slew Rate	50V/µs
Gain Bandwidth Product	33 MHz
-3dB Bandwidth	35 MHz
Current - Input Bias	1.2 µA
Voltage - Input Offset	5 mV
Current - Supply	470µA (x2 Channels)
Current - Output / Channel	15 mA
Voltage - Supply Span (Min)	2.5 V
Voltage - Supply Span (Max)	5.5 V
Operating Temperature	-40°C ~ 125°C
Product Status	Obsolete
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the XR2008ISO8 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 direct PCB footprint compatibility.

Functional Requirements: Substitute parts must provide dual-circuit (2 circuits) general purpose operational amplifier functionality with rail-to-rail output capability.

Electrical Operating Range: Substitute parts must support the voltage supply span of 2.5V to 5.5V minimum, with operating temperature range of -40°C to 125°C or equivalent.

Performance Characteristics: Substitute parts are grouped based on slew rate, gain bandwidth product, and output current capability. Parts with equal or superior performance in these areas are considered direct substitutes.

Supply Current: Substitute parts with lower supply current consumption are preferred for power-sensitive applications, while parts with higher output current capability provide enhanced drive capability.

The substitute parts listed below meet these criteria and are available from active product lines, ensuring long-term supply availability and design continuity.

Parameter Comparison

Parameter	XR2008ISO8	ADA4084-2ARZ	LTC6241HS8#PBF	LTC6241IS8#TRPBF	MCP6002T-I/SN	OPA2322AID	OPA2365AQDRQ1	TSV992IYDT
Manufacturer	MaxLinear, Inc.	Analog Devices Inc.	Analog Devices Inc.	Analog Devices Inc.	Microchip Technology	Texas Instruments	Texas Instruments	STMicroelectronics
Amplifier Type	General Purpose	General Purpose	CMOS	CMOS	General Purpose	CMOS	CMOS	General Purpose
Number of Circuits	2	2	2	2	2	2	2	2
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
Package / Case	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC	8-SOIC
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Slew Rate (V/µs)	50	4.6	10	10	0.6	10	25	10
Gain Bandwidth Product (MHz)	33	15.9	18	18	1	20	50	20
-3dB Bandwidth (MHz)	35	13.9	N/A	N/A	N/A	N/A	N/A	N/A
Current - Input Bias	1.2 µA	140 nA	0.5 pA	0.5 pA	1 pA	0.2 pA	0.2 pA	1 pA
Voltage - Input Offset	5 mV	30 µV	100 µV	100 µV	4.5 mV	500 µV	100 µV	100 µV
Current - Supply (µA, x2 Channels)	470	625	2.5	2.5	100	1.6	4.6	820
Current - Output / Channel (mA)	15	30	30	30	23	65	65	35
Voltage - Supply Span (Min)	2.5 V	3 V	2.8 V	2.8 V	1.8 V	1.8 V	2.2 V	2.5 V
Voltage - Supply Span (Max)	5.5 V	30 V	6 V	6 V	6 V	5.5 V	5.5 V	5.5 V
Operating Temperature	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 125°C	-40°C ~ 125°C	-40°C ~ 125°C
Product Status	Obsolete	Active	Active	Active	Active	Active	Active	Active
RoHS Status	N/A	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	2 (1 Year)	3 (168 Hours)	1 (Unlimited)
Automotive Grade / AEC-Q100	N/A	N/A	N/A	N/A	N/A	N/A	Yes	Yes

Engineering Selection Recommendations

Primary Substitutes for Direct Replacement:

The OPA2365AQDRQ1 (Texas Instruments) and TSV992IYDT (STMicroelectronics) are the preferred substitutes for the XR2008ISO8. Both devices maintain the full -40°C to 125°C operating temperature range, support the 2.5V to 5.5V supply voltage span, and provide superior performance characteristics. The OPA2365AQDRQ1 offers the highest slew rate (25V/µs) and gain bandwidth product (50 MHz) among all substitutes, with AEC-Q100 automotive qualification. The TSV992IYDT provides comparable performance with AEC-Q100 qualification and is available in active production with high inventory levels.

Secondary Substitutes for Performance-Matched Applications:

The LTC6241HS8#PBF and LTC6241IS8#TRPBF (Analog Devices Inc.) are CMOS-based alternatives offering extremely low input bias current (0.5 pA) and minimal supply current consumption (2.5 mA). These devices are suitable for applications prioritizing low power consumption and precision input characteristics. The LTC6241IS8#TRPBF operates at -40°C to 85°C, which may limit use in extended temperature applications.

Alternative Substitutes for Cost-Sensitive Applications:

The MCP6002T-I/SN (Microchip Technology) provides the lowest supply current consumption (100 µA) and is available in the highest inventory quantity (241,240 pcs). This device is suitable for battery-powered or ultra-low-power applications. However, the significantly reduced slew rate (0.6V/µs) and gain bandwidth product (1 MHz) restrict its use to low-frequency signal processing applications.

Compliance and Availability:

All substitute parts are ROHS3 compliant and available from active product lines. The OPA2365AQDRQ1 and TSV992IYDT carry AEC-Q100 automotive qualification, making them suitable for automotive and industrial applications requiring enhanced reliability standards. Inventory availability ranges from 241 to 241,240 units across all substitutes, ensuring production continuity.

Frequently Asked Questions (FAQ)

Q: Can the OPA2365AQDRQ1 directly replace the XR2008ISO8 in existing designs?

A: Yes. The OPA2365AQDRQ1 is pin-compatible in the 8-SOIC package and supports the same 2.5V to 5.5V supply voltage range and -40°C to 125°C operating temperature. The superior slew rate (25V/µs vs. 50V/µs) and gain bandwidth product (50 MHz vs. 33 MHz) provide enhanced performance. PCB layout and component placement remain unchanged.

Q: What is the key difference between the LTC6241 series and other substitutes?

A: The LTC6241HS8#PBF and LTC6241IS8#TRPBF are CMOS-based amplifiers with extremely low input bias current (0.5 pA) and minimal supply current (2.5 mA). These characteristics make them ideal for precision instrumentation and low-power applications. The primary trade-off is reduced slew rate (10V/µs) compared to the XR2008ISO8 (50V/µs).

Q: Is the MCP6002T-I/SN suitable for high-frequency applications?

A: No. The MCP6002T-I/SN has a gain bandwidth product of only 1 MHz and slew rate of 0.6V/µs, making it unsuitable for high-frequency signal processing. This device is optimized for ultra-low-power, low-frequency applications such as sensor signal conditioning and battery-powered instrumentation.

Q: What are the automotive-qualified alternatives?

A: The OPA2365AQDRQ1 and TSV992IYDT both carry AEC-Q100 automotive qualification. These devices are suitable for automotive, industrial, and mission-critical applications requiring enhanced reliability and quality assurance standards.

Q: How do input offset voltage specifications compare?

A: The XR2008ISO8 has an input offset voltage of 5 mV. The ADA4084-2ARZ offers superior precision at 30 µV. The LTC6241 series and OPA2365AQDRQ1 provide 100 µV offset voltage. For applications requiring minimal offset drift, the ADA4084-2ARZ is the preferred choice.

Q: Are there supply voltage compatibility concerns?

A: The ADA4084-2ARZ supports a wider supply voltage range (3V to 30V) compared to the XR2008ISO8 (2.5V to 5.5V). For designs operating at the lower voltage limit (2.5V), the LTC6241 series, OPA2365AQDRQ1, and TSV992IYDT are compatible. The MCP6002T-I/SN supports the lowest minimum supply voltage (1.8V).

Q: What is the impact of moisture sensitivity level differences?

A: The XR2008ISO8, LTC6241 series, and TSV992IYDT have MSL 1 (Unlimited), requiring no special moisture control during storage and handling. The OPA2322AID has MSL 2 (1 Year), requiring controlled storage conditions. The OPA2365AQDRQ1 has MSL 3 (168 Hours), requiring more stringent moisture control and shorter shelf life management.

Q: Which substitute offers the highest output current capability?

A: The OPA2365AQDRQ1 and OPA2322AID both provide 65 mA output current per channel, compared to 15 mA for the XR2008ISO8. These devices are suitable for applications requiring higher load drive capability.

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