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OP213FS-REEL7 Equivalent & Substitute Parts
Part Overview
The OP213FS-REEL7 is a general-purpose operational amplifier manufactured by Analog Devices Inc., configured as a dual-circuit (2-channel) rail-to-rail output device in an 8-SOIC surface-mount package. This component is classified as obsolete, indicating that Analog Devices has discontinued active production and support. The identification of equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for applications utilizing this amplifier topology.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer Part Number | OP213FS-REEL7 | — |
| Manufacturer | Analog Devices Inc. | — |
| Amplifier Type | General Purpose | — |
| Number of Circuits | 2 | — |
| Output Type | Rail-to-Rail | — |
| Slew Rate | 1.2 | V/µs |
| Gain Bandwidth Product | 3.4 | MHz |
| Current - Input Bias | 600 | nA |
| Voltage - Input Offset | 250 | µV |
| Current - Output / Channel | 40 | mA |
| Voltage - Supply Span (Min) | 4 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Product Status | Obsolete | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the OP213FS-REEL7 is determined by the following critical parameters:
Primary Substitution Criteria:
- Package compatibility: 8-SOIC surface-mount form factor
- Number of circuits: Dual-channel (2-circuit) configuration
- Amplifier classification: General-purpose operational amplifier
- Supply voltage range: Minimum 4 V to maximum 36 V
- Operating temperature range: -40°C to 85°C or wider
- Output current capability: Minimum 40 mA per channel
Secondary Compatibility Factors:
- Slew rate: 1.2 V/µs or higher preferred for equivalent performance
- Gain bandwidth product: 3.4 MHz or higher preferred
- Input bias current: 600 nA or lower preferred
- Input offset voltage: 250 µV or lower preferred
- Output type: Rail-to-rail configuration preferred but not mandatory for all applications
Substitute parts are grouped into two categories:
Category 1 - Direct Equivalents (Identical Electrical Specifications): Parts that maintain all critical electrical parameters and output type characteristics of the OP213FS-REEL7, differing only in product status or packaging format.
Category 2 - Functional Equivalents (Reduced Performance Parameters): Parts that meet the core substitution criteria but operate with reduced slew rate, gain bandwidth product, or input bias current specifications. These parts are suitable for applications where the OP213FS-REEL7's performance envelope exceeds design requirements.
Parameter Comparison
| Part Number | Manufacturer | Product Status | Slew Rate (V/µs) | GBW (MHz) | Input Bias (nA) | Input Offset (µV) | Output / Ch (mA) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Output Type |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OP213FS-REEL7 | Analog Devices Inc. | Obsolete | 1.2 | 3.4 | 600 | 250 | 40 | 4 | 36 | -40 to 85 | Rail-to-Rail |
| OP213FSZ-REEL7 | Analog Devices Inc. | Active | 1.2 | 3.4 | 600 | 250 | 40 | 4 | 36 | -40 to 85 | Rail-to-Rail |
| LM258ADT | STMicroelectronics | Active | 0.6 | 1.1 | 20 | 1000 | 40 | 3 | 30 | -40 to 105 | — |
| LM258DT | STMicroelectronics | Active | 0.6 | 1.1 | 20 | 5000 | 40 | 3 | 30 | -40 to 105 | — |
| LM2904AYDT | STMicroelectronics | Active | 0.6 | 1.1 | 20 | 1000 | 40 | 3 | 30 | -40 to 125 | Single-Ended |
| LM2904DT | Rohm Semiconductor | Not For New Designs | 0.3 | 0.7 | 20 | 1000 | 30 | 3 | 32 | -40 to 125 | — |
| LM2904YDT | STMicroelectronics | Active | 0.6 | 0.7 | 20 | 2000 | 30 | 3 | 30 | -40 to 125 | Single-Ended |
| LM358ADT | STMicroelectronics | Active | 0.6 | 1.1 | 20 | 1000 | 40 | 3 | 30 | 0 to 70 | — |
| LM358DT | Rohm Semiconductor | Obsolete | 0.3 | 0.8 | 20 | 1000 | 30 | 3 | 32 | -40 to 85 | — |
| LM7372MR/NOPB | Texas Instruments | Active | 3000 | 120 | 2700 | 2000 | 260 | 9 | 36 | -40 to 85 | — |
| LM7372MRX/NOPB | Texas Instruments | Active | 3000 | 120 | 2700 | 2000 | 260 | 9 | 36 | -40 to 85 | — |
Engineering Selection Recommendations
Direct Replacement (Preferred):
The OP213FSZ-REEL7 is the direct equivalent of the OP213FS-REEL7. This part maintains identical electrical specifications, package configuration, and operating parameters. The OP213FSZ-REEL7 is currently in active production status with 16,618 units in stock. This part is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. Selection of OP213FSZ-REEL7 eliminates all design modification requirements and ensures functional compatibility without performance degradation.
Functional Substitutes for General-Purpose Applications:
The LM258ADT and LM258DT (STMicroelectronics) are suitable substitutes for applications where the OP213FS-REEL7's performance specifications exceed design requirements. Both parts are active production items with high inventory availability (60,400 and 125,300 units respectively). These devices operate with reduced slew rate (0.6 V/µs versus 1.2 V/µs) and lower gain bandwidth product (1.1 MHz versus 3.4 MHz). The LM258ADT is AEC-Q100 qualified for automotive applications. Both parts support the full supply voltage range (3 V to 30 V) and maintain 40 mA output current per channel. Operating temperature range extends to 105°C.
The LM2904AYDT (STMicroelectronics) provides extended operating temperature range (-40°C to 125°C) with AEC-Q100 automotive qualification. This part operates with identical slew rate and gain bandwidth product to the LM258 series but features single-ended output configuration. Current inventory is 45,700 units.
Limited Substitutes (Performance Reduction):
The LM2904DT (Rohm Semiconductor) and LM358DT (Rohm Semiconductor) are classified as "Not For New Designs" and "Obsolete" respectively. These parts exhibit significantly reduced performance characteristics (slew rate 0.3 V/µs, gain bandwidth product 0.7 MHz and 0.8 MHz respectively) and reduced output current capability (30 mA per channel). These parts are suitable only for legacy system maintenance where design modification is not feasible.
High-Performance Alternatives (Performance Enhancement):
The LM7372MR/NOPB and LM7372MRX/NOPB (Texas Instruments) are voltage feedback amplifiers with substantially enhanced performance characteristics (slew rate 3000 V/µs, gain bandwidth product 120 MHz, output current 260 mA per channel). These parts are suitable for applications requiring higher bandwidth and slew rate performance. However, these devices require minimum supply voltage of 9 V and exhibit higher input bias current (2.7 µA). Moisture sensitivity level is 3 (168 hours), requiring controlled storage conditions.
Frequently Asked Questions (FAQ)
Q: Can the OP213FSZ-REEL7 be used as a direct replacement for the OP213FS-REEL7?
A: Yes. The OP213FSZ-REEL7 is electrically and mechanically identical to the OP213FS-REEL7. Both parts feature identical slew rate (1.2 V/µs), gain bandwidth product (3.4 MHz), input bias current (600 nA), input offset voltage (250 µV), output current (40 mA per channel), and supply voltage range (4 V to 36 V). The primary difference is product status: OP213FSZ-REEL7 is active production while OP213FS-REEL7 is obsolete. Packaging format differs (Cut Tape & Digi-Reel® versus reel format), but the 8-SOIC package remains identical.
Q: What are the key differences between the OP213FS-REEL7 and the LM258ADT?
A: The OP213FS-REEL7 and LM258ADT differ in four primary electrical parameters. The OP213FS-REEL7 features slew rate of 1.2 V/µs compared to 0.6 V/µs for the LM258ADT. Gain bandwidth product is 3.4 MHz versus 1.1 MHz. Input bias current is 600 nA versus 20 nA. Input offset voltage is 250 µV versus 1000 µV. The OP213FS-REEL7 specifies rail-to-rail output while the LM258ADT output type is not specified. Both parts maintain 40 mA output current per channel and operate across overlapping supply voltage ranges. The LM258ADT supports extended operating temperature to 105°C and is AEC-Q100 qualified.
Q: Is the 8-SOIC package identical across all substitute parts?
A: Yes. All substitute parts listed utilize the 8-SOIC surface-mount package with 0.154-inch (3.90 mm) width. This ensures mechanical compatibility with existing printed circuit board layouts and assembly equipment. However, the LM7372 series parts use 8-PowerSOIC package variant, which includes additional thermal pad features. Verify PCB footprint compatibility if thermal management is a design consideration.
Q: Can the LM2904AYDT be used in applications requiring rail-to-rail output?
A: The LM2904AYDT features single-ended output configuration, not rail-to-rail output. Applications requiring rail-to-rail output characteristics must use the OP213FSZ-REEL7 or OP213FS-REEL7. The LM258ADT and LM258DT do not specify output type and may not provide rail-to-rail performance. Verify output swing specifications in application datasheets before substitution.
Q: What is the significance of product status classifications?
A: Product status indicates manufacturer support and availability. "Active" status indicates ongoing production, full manufacturer support, and long-term availability. "Obsolete" status indicates discontinued production with no manufacturer support. "Not For New Designs" indicates limited production for legacy support only. For new designs, select parts with "Active" status to ensure long-term supply chain continuity and manufacturer technical support.
Q: Are all substitute parts ROHS3 compliant?
A: All substitute parts listed are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The OP213FS-REEL7 (obsolete) does not specify ROHS status in available documentation. The OP213FSZ-REEL7 is explicitly ROHS3 compliant. Verify compliance documentation with component suppliers for specific applications requiring regulatory certification.
Q: What is the moisture sensitivity level (MSL) and why does it matter?
A: Moisture sensitivity level (MSL) indicates the maximum time a component can be exposed to ambient conditions (30°C, 85% relative humidity) before requiring baking. MSL 1 (Unlimited) indicates no moisture sensitivity restrictions. MSL 3 (168 hours) indicates the component must be baked if exposed to ambient conditions for more than 168 hours. The OP213FS-REEL7 and all substitute parts except LM7372 series are MSL 1. LM7372 series parts are MSL 3, requiring controlled storage and handling procedures.
Q: Can the LM7372 series parts replace the OP213FS-REEL7 in existing designs?
A: The LM7372 series parts are not recommended as direct replacements due to significant electrical differences. These voltage feedback amplifiers feature substantially higher slew rate (3000 V/µs), gain bandwidth product (120 MHz), and output current (260 mA per channel). Input bias current is significantly higher (2.7 µA versus 600 nA). Minimum supply voltage is 9 V versus 4 V for the OP213FS-REEL7. These differences require circuit redesign and are suitable only for applications requiring enhanced performance specifications.
Q: What inventory considerations should guide part selection?
A: The OP213FSZ-REEL7 (direct equivalent) has 16,618 units in stock. The LM258DT has the highest inventory at 125,300 units. The LM358DT has 505,400 units available. High inventory levels indicate stable long-term availability and competitive pricing. Parts with lower inventory (LM7372 series: 1,303 to 3,171 units) may face supply constraints. For critical applications, prioritize parts with higher inventory levels and active production status.
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