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XR2008ISO8X Equivalent & Substitute Parts
Part Overview
The XR2008ISO8X is a general purpose operational amplifier featuring dual circuits in an 8-SOIC surface mount package, manufactured by MaxLinear, Inc. This device delivers rail-to-rail output capability with a 50V/µs slew rate and 33 MHz gain bandwidth product, designed for applications requiring dual-channel amplification in compact form factors.
The XR2008ISO8X is classified as obsolete. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support long-term product support for legacy systems utilizing this component.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | XR2008ISO8X |
| Manufacturer | MaxLinear, Inc. |
| Category | Linear, Amplifiers |
| Description | IC OPAMP GP 2 CIRCUIT 8SOIC |
| 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 |
| Operating Temperature | -40°C ~ 125°C |
| Voltage - Supply Span (Min) | 2.5 V |
| Voltage - Supply Span (Max) | 5.5 V |
| Slew Rate | 50V/µs |
| Gain Bandwidth Product | 33 MHz |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution of the XR2008ISO8X is determined by the following critical parameters:
Mandatory Compatibility Criteria:
- Number of Circuits: 2 (dual-channel configuration)
- Package / Case: 8-SOIC (0.154", 3.90mm Width)
- Mounting Type: Surface Mount
- Output Type: Rail-to-Rail
- Operating Temperature Range: -40°C ~ 125°C minimum
- Voltage Supply Span: Minimum 2.5V to 5.5V maximum
Performance Parameters Defining Substitution Classes:
- Slew Rate: 50V/µs (primary performance metric)
- Gain Bandwidth Product: 33 MHz (primary performance metric)
- Current - Supply: 470µA (x2 Channels)
- Current - Output / Channel: 15 mA
- Current - Input Bias: 1.2 µA
- Voltage - Input Offset: 5 mV
Substitute parts are grouped into two categories:
Category 1 - Parametric Equivalents: Parts manufactured by MaxLinear, Inc. with identical electrical specifications and 8-SOIC packaging. These parts maintain the same performance envelope as the XR2008ISO8X.
Category 2 - Manufacturer Recommended Alternatives: Parts from Analog Devices Inc. and Texas Instruments with active product status, RoHS3 compliance, and REACH unaffected certification. These parts provide equivalent or superior performance characteristics while offering long-term supply availability and modern manufacturing compliance.
Parameter Comparison
| Parameter | XR2008ISO8X | XR2008ISO8MTR | AD8652ARZ-REEL | AD8646WARZ-R7 | ADA4084-2ARZ-RL | LMP7732MA/NOPB |
|---|---|---|---|---|---|---|
| Manufacturer | MaxLinear | MaxLinear | Analog Devices | Analog Devices | Analog Devices | Texas Instruments |
| Number of Circuits | 2 | 2 | 2 | 2 | 2 | 2 |
| Package / Case | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC | 8-SOIC |
| Output Type | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 50V/µs | 50V/µs | 41V/µs | 11V/µs | 4.6V/µs | 2.4V/µs |
| Gain Bandwidth Product | 33 MHz | 33 MHz | 50 MHz | 24 MHz | 15.9 MHz | 22 MHz |
| Current - Input Bias | 1.2 µA | 1.2 µA | 1 pA | 0.3 pA | 140 nA | 14 nA |
| Voltage - Input Offset | 5 mV | 5 mV | 90 µV | 600 µV | 30 µV | 6 µV |
| Current - Supply | 470µA (x2) | 470µA (x2) | 17.5mA | 1.5mA (x2) | 625µA (x2) | 5mA (x2) |
| Current - Output / Channel | 15 mA | 15 mA | 40 mA | 120 mA | 30 mA | 49 mA |
| Voltage - Supply Span (Min) | 2.5 V | 2.5 V | 2.7 V | 2.7 V | 3 V | 1.8 V |
| Voltage - Supply Span (Max) | 5.5 V | 5.5 V | 5.5 V | 5.5 V | 30 V | 5.5 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Product Status | Obsolete | Obsolete | Active | Active | Active | Active |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
Engineering Selection Recommendations
XR2008ISO8MTR (MaxLinear, Inc.)
The XR2008ISO8MTR is a direct parametric equivalent to the XR2008ISO8X, offering identical electrical specifications and 8-SOIC packaging. This part maintains the 50V/µs slew rate and 33 MHz gain bandwidth product. However, both parts share obsolete product status, limiting long-term supply viability. Selection of this part is appropriate only when existing inventory is available and supply chain continuity is not a concern.
AD8652ARZ-REEL (Analog Devices Inc.)
The AD8652ARZ-REEL is an active product with RoHS3 compliance and REACH unaffected certification. This CMOS amplifier delivers superior performance with 41V/µs slew rate and 50 MHz gain bandwidth product, exceeding the XR2008ISO8X specifications. The part maintains 8-SOIC packaging and -40°C to 125°C operating temperature range. Higher supply current (17.5mA) and lower input bias current (1 pA) characterize this device. This part is suitable for new designs and long-term production support.
AD8646WARZ-R7 (Analog Devices Inc.)
The AD8646WARZ-R7 is an active general purpose amplifier with RoHS3 compliance and REACH unaffected certification. This part provides 24 MHz gain bandwidth product and 11V/µs slew rate, representing reduced performance relative to the XR2008ISO8X. However, it delivers significantly lower supply current (1.5mA per channel) and superior input offset voltage (600 µV). The part is packaged in 8-SOIC and supports -40°C to 125°C operation. Selection is appropriate for power-constrained applications where slew rate and bandwidth requirements are less stringent.
ADA4084-2ARZ-RL (Analog Devices Inc.)
The ADA4084-2ARZ-RL is an active general purpose amplifier with RoHS3 compliance and REACH unaffected certification. This part features extended voltage supply range (3V to 30V maximum), enabling operation in higher voltage systems. Performance metrics include 15.9 MHz gain bandwidth product and 4.6V/µs slew rate. The part maintains 8-SOIC packaging and -40°C to 125°C operating temperature. Selection is appropriate for applications requiring extended supply voltage capability.
LMP7732MA/NOPB (Texas Instruments)
The LMP7732MA/NOPB is an active general purpose amplifier with RoHS3 compliance and REACH unaffected certification. This LMP series device features the lowest supply voltage minimum (1.8V) and exceptional input offset voltage (6 µV). Performance includes 22 MHz gain bandwidth product and 2.4V/µs slew rate. The part is packaged in 8-SOIC and supports -40°C to 125°C operation. Selection is appropriate for ultra-low voltage and precision offset applications.
Frequently Asked Questions (FAQ)
Q: Can the XR2008ISO8X be directly replaced with XR2008ISO8MTR?
A: Yes, the XR2008ISO8MTR is a direct parametric equivalent with identical electrical specifications, slew rate, gain bandwidth product, and 8-SOIC packaging. However, both parts are obsolete. Replacement is feasible only when existing inventory is available.
Q: What is the primary difference between the XR2008ISO8X and AD8652ARZ-REEL?
A: The AD8652ARZ-REEL is an active product with superior performance (50 MHz gain bandwidth product versus 33 MHz, and 41V/µs slew rate versus 50V/µs). The AD8652ARZ-REEL features CMOS technology with lower input bias current (1 pA versus 1.2 µA) but higher supply current (17.5mA versus 470µA). Both maintain 8-SOIC packaging and -40°C to 125°C operation.
Q: Are all substitute parts available in 8-SOIC packaging?
A: Yes, all substitute parts listed are available in 8-SOIC (0.154", 3.90mm Width) surface mount packaging, ensuring mechanical and electrical compatibility with existing PCB layouts.
Q: Which substitute part offers the lowest power consumption?
A: The AD8646WARZ-R7 offers the lowest supply current at 1.5mA per channel (3mA total for dual circuits), compared to the XR2008ISO8X at 470µA per channel (940µA total). This represents approximately 3.2 times lower power consumption.
Q: Can the XR2008ISO8X be replaced in applications requiring extended voltage supply ranges?
A: The ADA4084-2ARZ-RL supports extended voltage supply range up to 30V maximum, compared to the XR2008ISO8X maximum of 5.5V. This part is suitable for applications requiring higher supply voltages while maintaining 8-SOIC packaging and dual-circuit configuration.
Q: What is the compliance status of active substitute parts?
A: All active substitute parts (AD8652ARZ-REEL, AD8646WARZ-R7, ADA4084-2ARZ-RL, and LMP7732MA/NOPB) are RoHS3 compliant and REACH unaffected, meeting modern environmental and regulatory requirements.
Q: Which substitute part provides the best input offset voltage performance?
A: The LMP7732MA/NOPB offers the lowest input offset voltage at 6 µV, compared to the XR2008ISO8X at 5 mV. The AD8652ARZ-REEL provides 90 µV offset voltage. These CMOS and precision designs are suitable for applications requiring minimal offset drift.
Q: Are there differences in operating temperature ranges among substitute parts?
A: All substitute parts maintain the -40°C to 125°C operating temperature range of the XR2008ISO8X, with the exception of LTC6241IS8#TRPBF, which operates to -40°C to 85°C maximum. Verify temperature requirements for your specific application.
Q: What is the inventory status of substitute parts?
A: XR2008ISO8MTR has 2,950 pieces in stock. Active alternatives include AD8652ARZ-REEL (6,603 pcs), AD8646WARZ-R7 (2,998 pcs), ADA4084-2ARZ-RL (50,100 pcs), and LMP7732MA/NOPB (1,007 pcs). Inventory levels support production requirements for most applications.
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