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CA5260MZ Equivalent & Substitute Parts
Part Overview
The CA5260MZ is a general purpose operational amplifier manufactured by Renesas Electronics Corporation, configured as a dual-circuit (2-channel) rail-to-rail amplifier 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 CA5260MZ operates across a supply voltage range of 4.5 V to 16 V with an operating temperature range of -55°C to 125°C, suitable for applications requiring dual-channel amplification with moderate bandwidth and slew rate characteristics.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | CA5260MZ | — |
| Manufacturer | Renesas Electronics Corporation | — |
| 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 | 5 | V/µs |
| Gain Bandwidth Product | 3 | MHz |
| Current - Input Bias | 5 | pA |
| Voltage - Input Offset | 2 | mV |
| Current - Supply | 9 | mA (x2 Channels) |
| Current - Output / Channel | 45 | mA |
| Voltage - Supply Span (Min) | 4.5 | V |
| Voltage - Supply Span (Max) | 16 | V |
| Operating Temperature | -55 to 125 | °C |
| Product Status | Obsolete | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the CA5260MZ is determined by the following critical parameters:
Mandatory Compatibility Criteria:
- Package / Case: 8-SOIC (0.154", 3.90mm Width) — all substitutes must use identical surface mount package
- Number of Circuits: 2 — dual-channel configuration required
- Output Type: Rail-to-Rail — output swing capability must match
- Mounting Type: Surface Mount — PCB assembly compatibility
- Voltage - Supply Span: Minimum 4.5 V to Maximum 16 V — operating voltage window must encompass or exceed this range
- Operating Temperature: Must support -55°C to 125°C or a subset thereof
Performance Parameters for Functional Equivalence:
- Slew Rate: 5 V/µs (CA5260MZ baseline)
- Gain Bandwidth Product: 3 MHz (CA5260MZ baseline)
- Current - Output / Channel: 45 mA (CA5260MZ baseline)
Substitute parts are grouped into two categories: Direct General Purpose Replacements (matching amplifier type and performance envelope) and Alternative Topology Substitutes (different amplifier types with compatible electrical characteristics for specific applications).
Parameter Comparison
| Parameter | CA5260MZ | AD8639WARZ | AD8639WARZ-R7 | AD8639WARZ-RL | AD8666WARZ-R7 | ICL7621DCSA+ | ICL7621DCSA+T | ICL7621DESA+ | MCP6H02-E/SN | MCP6H02T-E/SN | NCS20072DR2G |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Amplifier Type | General Purpose | Chopper (Zero-Drift) | Chopper (Zero-Drift) | Chopper (Zero-Drift) | General Purpose | CMOS | CMOS | CMOS | General Purpose | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 | 2 | 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 | 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 | 8-SOIC | 8-SOIC | 8-SOIC |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Slew Rate (V/µs) | 5 | 2 | 2 | 2 | 3.5 | 1.6 | 1.6 | 1.6 | 0.8 | 0.8 | 2.4 |
| Gain Bandwidth Product (MHz) | 3 | 1.5 | 1.5 | 1.5 | 4 | 1.4 | 1.4 | 1.4 | 1.2 | 1.2 | 3.2 |
| Current - Input Bias (pA) | 5 | 1 | 1 | 1 | 0.2 | 1 | 1 | 1 | 10 | 10 | 5 |
| Voltage - Input Offset (mV) | 2 | 0.003 | 0.003 | 0.003 | 0.6 | 15 | 15 | 15 | 0.7 | 0.7 | 1.3 |
| Current - Supply (mA, x2 Channels) | 9 | 1.25 | 1.25 | 1.25 | 1.15 | 1 | 1 | 1 | 0.135 | 0.135 | 0.42 |
| Current - Output / Channel (mA) | 45 | 37 | 37 | 37 | 140 | — | — | — | 50 | 50 | 65 |
| Voltage - Supply Span Min (V) | 4.5 | 5 | 5 | 5 | 5 | 2 | 2 | 2 | 3.5 | 3.5 | 2.7 |
| Voltage - Supply Span Max (V) | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 36 |
| Operating Temperature (°C) | -55 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | -40 to 125 | 0 to 70 | 0 to 70 | -40 to 85 | -40 to 125 | -40 to 125 | -40 to 125 |
| Product Status | Obsolete | Active | Active | Active | Active | Active | Active | Active | Active | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
Engineering Selection Recommendations
Primary Substitutes for Direct Replacement:
The AD8666WARZ-R7 (Analog Devices Inc.) is the most suitable direct replacement for the CA5260MZ in applications requiring general purpose dual-channel amplification. This device maintains identical package geometry (8-SOIC), dual-circuit configuration, and rail-to-rail output characteristics. The AD8666WARZ-R7 exceeds the CA5260MZ in gain bandwidth product (4 MHz vs. 3 MHz) and output current capability (140 mA vs. 45 mA per channel), while operating within the same supply voltage range (5 V to 16 V). The operating temperature range (-40°C to 125°C) covers the upper portion of the CA5260MZ specification. This device is in active production status with ROHS3 compliance and unlimited moisture sensitivity rating.
The NCS20072DR2G (onsemi) provides an alternative general purpose replacement with comparable performance characteristics. It delivers a gain bandwidth product of 3.2 MHz (matching the CA5260MZ baseline) and supports an extended supply voltage range (2.7 V to 36 V). Output current per channel is 65 mA, exceeding the CA5260MZ specification. Operating temperature range is -40°C to 125°C. This device is actively produced with ROHS3 compliance.
Secondary Substitutes for Specific Applications:
The MCP6H02-E/SN and MCP6H02T-E/SN (Microchip Technology) are suitable for applications where lower power consumption is prioritized. These devices operate at 135 µA total supply current (x2 channels), significantly lower than the CA5260MZ at 9 mA. The trade-off is reduced slew rate (0.8 V/µs) and lower gain bandwidth product (1.2 MHz). Supply voltage range is 3.5 V to 16 V, and operating temperature is -40°C to 125°C. Both variants are in active production with ROHS3 compliance.
Alternative Topology Substitutes:
The AD8639WARZ, AD8639WARZ-R7, and AD8639WARZ-RL (Analog Devices Inc.) employ chopper (zero-drift) amplifier topology, offering superior input offset voltage (3 µV vs. 2 mV) and input bias current (1 pA vs. 5 pA). These devices are suitable for precision measurement applications where offset drift and bias current are critical parameters. Supply voltage range is 5 V to 16 V, and operating temperature is -40°C to 125°C. All three variants are in active production with ROHS3 compliance.
The ICL7621DCSA+, ICL7621DCSA+T, and ICL7621DESA+ (Analog Devices Inc./Maxim Integrated) employ CMOS amplifier topology with extremely low supply current (1 mA total for x2 channels). These devices are suitable for battery-powered and ultra-low-power applications. The ICL7621DCSA+ and ICL7621DCSA+T support 0°C to 70°C operating temperature, while the ICL7621DESA+ extends to -40°C to 85°C. Supply voltage range is 2 V to 16 V. All variants are in active production with ROHS3 compliance.
Compliance and Availability:
All substitute parts listed are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1), matching the CA5260MZ environmental specifications. All substitutes are in active production status, ensuring long-term availability and supply chain continuity. Packaging options include tube, tape & reel, and cut tape configurations to accommodate various procurement and assembly workflows.
Frequently Asked Questions (FAQ)
Q: Can the AD8666WARZ-R7 directly replace the CA5260MZ without circuit modifications?
A: The AD8666WARZ-R7 is pin-compatible and functionally equivalent for most applications. Both devices use the 8-SOIC package with identical pinout, dual-channel configuration, and rail-to-rail output. However, the AD8666WARZ-R7 has a higher slew rate (3.5 V/µs vs. 5 V/µs) and lower input offset voltage (600 µV vs. 2 mV). Applications sensitive to these performance differences may require circuit evaluation. The minimum supply voltage for AD8666WARZ-R7 is 5 V, compared to 4.5 V for the CA5260MZ, which may affect designs operating near the lower supply limit.
Q: What is the difference between the AD8639WARZ variants (standard, -R7, -RL)?
A: The three AD8639WARZ variants are electrically identical chopper (zero-drift) amplifiers with identical performance specifications. The differences are in packaging configuration: AD8639WARZ is supplied in tube packaging, AD8639WARZ-R7 is supplied in tape & reel format, and AD8639WARZ-RL is also supplied in tape & reel format. Selection depends on procurement and assembly requirements. All three variants are in active production with identical electrical characteristics.
Q: Why would I choose the MCP6H02 series over the AD8666WARZ-R7?
A: The MCP6H02-E/SN and MCP6H02T-E/SN are optimized for low-power applications, consuming only 135 µA total supply current compared to 1.15 mA for the AD8666WARZ-R7. This 85-fold reduction in supply current makes the MCP6H02 series suitable for battery-powered systems and energy-constrained applications. The trade-off is reduced slew rate (0.8 V/µs vs. 3.5 V/µs) and lower gain bandwidth product (1.2 MHz vs. 4 MHz). Applications requiring high-speed signal processing should use the AD8666WARZ-R7; applications prioritizing power efficiency should use the MCP6H02 series.
Q: Are the ICL7621 variants suitable for the full operating temperature range of the CA5260MZ?
A: The ICL7621DCSA+ and ICL7621DCSA+T support only 0°C to 70°C operating temperature, which does not cover the CA5260MZ range of -55°C to 125°C. The ICL7621DESA+ extends to -40°C to 85°C, still not covering the full CA5260MZ range. These devices are suitable only for applications operating within their specified temperature windows. For applications requiring -55°C operation, the AD8666WARZ-R7, NCS20072DR2G, or MCP6H02 series are required.
Q: What is the significance of the NCS20072DR2G supporting 36 V maximum supply voltage?
A: The NCS20072DR2G supports a maximum supply voltage of 36 V, compared to 16 V for the CA5260MZ and most other substitutes. This extended voltage range makes the NCS20072DR2G suitable for applications using higher supply voltages or dual-supply configurations. However, for standard 16 V or lower supply applications, this extended capability provides no functional advantage. The NCS20072DR2G is otherwise compatible with the CA5260MZ across all other critical parameters.
Q: Can I use the AD8639WARZ (chopper amplifier) in place of the CA5260MZ (general purpose amplifier)?
A: The AD8639WARZ is functionally compatible with the CA5260MZ from a package and pinout perspective. However, the chopper amplifier topology introduces different performance characteristics: superior input offset voltage (3 µV vs. 2 mV) and input bias current (1 pA vs. 5 pA), but lower slew rate (2 V/µs vs. 5 V/µs) and lower gain bandwidth product (1.5 MHz vs. 3 MHz). Applications sensitive to high-frequency response or fast signal transitions should not use the AD8639WARZ. Applications requiring precision DC measurements or low-drift performance benefit from the AD8639WARZ topology.
Q: What packaging options are available for the substitute parts?
A: Substitute parts are available in multiple packaging formats: tube (standard packaging for manual assembly), tape & reel (for automated pick-and-place assembly), and cut tape with digi-reel (for semi-automated assembly). Specific variants are designated by suffixes: -E/SN (tube), -T (tape & reel), and -R7 or -RL (tape & reel variants). Selection depends on assembly process requirements and procurement workflow. All packaging options use the identical 8-SOIC surface mount case.
Q: Are all substitute parts RoHS3 compliant?
A: Yes, all substitute parts listed are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1), matching the environmental specifications of the CA5260MZ. This ensures compatibility with modern manufacturing processes and regulatory requirements.
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