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OP07CD Equivalent & Substitute Parts Reference
Part Overview
The OP07CD is a general-purpose operational amplifier manufactured by Texas Instruments, packaged in 8-SOIC surface mount configuration. This device is classified as Last Time Buy, indicating discontinued production with limited remaining inventory (2094 pcs). The OP07CD serves applications requiring low input bias current, low input offset voltage, and operation across a 6V to 36V supply range. Alternative equivalent and substitute parts are necessary due to product discontinuation and to support design flexibility across different manufacturing sources and packaging formats.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Slew Rate | 0.3 | V/µs |
| Gain Bandwidth Product | 600 | kHz |
| Current - Input Bias | 1.8 | nA |
| Voltage - Input Offset | 60 | µV |
| Voltage - Supply Span (Min) | 6 | V |
| Voltage - Supply Span (Max) | 36 | V |
| Operating Temperature | 0 to 70 | °C |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the OP07CD is determined by strict equivalence across the following critical parameters: amplifier type (general purpose), number of circuits (1), package type (8-SOIC surface mount), slew rate (0.3 V/µs), gain bandwidth product (600 kHz), input bias current (1.8 nA), input offset voltage (60 µV), and supply voltage range (6V to 36V minimum, 36V maximum). Parts are grouped into two categories:
Category 1: Direct Equivalents (Same Base Part Number) Parts sharing the OP07 base designation with identical electrical specifications and 8-SOIC packaging. These include OP07CDR (Texas Instruments, Active status, Cut Tape & Digi-Reel packaging) and OP07CSZ variants (Analog Devices Inc., Active status, Tube or Cut Tape & Digi-Reel packaging). These parts maintain full parameter compatibility with the OP07CD.
Category 2: Functional Equivalents (Different Manufacturers, Enhanced Specifications) Parts meeting or exceeding the OP07CD electrical requirements while maintaining 8-SOIC packaging and general-purpose amplifier classification. The AD8677ARZ (Analog Devices Inc., iPolar series) and LT1012ACS8#TRPBF (Analog Devices Inc.) provide equivalent or superior performance characteristics within the specified supply voltage and temperature operating ranges.
Parameter Comparison
| Part Number | Manufacturer | Amplifier Type | Slew Rate (V/µs) | Gain Bandwidth (kHz) | Input Bias (nA) | Input Offset (µV) | Supply Min (V) | Supply Max (V) | Temp Range (°C) | Package | Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| OP07CD | Texas Instruments | General Purpose | 0.3 | 600 | 1.8 | 60 | 6 | 36 | 0 to 70 | 8-SOIC | Last Time Buy |
| OP07CDR | Texas Instruments | General Purpose | 0.3 | 600 | 1.8 | 60 | 6 | 36 | 0 to 70 | 8-SOIC | Active |
| OP07CSZ | Analog Devices Inc. | General Purpose | 0.3 | 600 | 1.8 | 60 | 6 | 36 | -40 to 85 | 8-SOIC | Not For New Designs |
| OP07CSZ-REEL | Analog Devices Inc. | General Purpose | 0.3 | 600 | 1.8 | 60 | 6 | 36 | -40 to 85 | 8-SOIC | Active |
| OP07CSZ-REEL7 | Analog Devices Inc. | General Purpose | 0.3 | 600 | 1.8 | 60 | 6 | 36 | -40 to 85 | 8-SOIC | Active |
| AD8677ARZ | Analog Devices Inc. | General Purpose | 0.2 | 600 | 0.2 | 45 | 8 | 36 | -40 to 125 | 8-SOIC | Active |
| LT1012ACS8#TRPBF | Analog Devices Inc. | General Purpose | 0.2 | — | 0.025 | 8 | 2.4 | 40 | 0 to 70 | 8-SOIC | Active |
Engineering Selection Recommendations
Primary Recommendation: OP07CDR The OP07CDR is the manufacturer-recommended direct equivalent, produced by Texas Instruments with identical electrical specifications to the OP07CD. It maintains Active product status with significantly higher inventory availability (220,100 pcs). The OP07CDR is suitable for all applications currently using OP07CD, with identical performance characteristics across all specified parameters. Packaging is available in Cut Tape & Digi-Reel format, supporting both manual and automated assembly processes.
Secondary Recommendation: OP07CSZ-REEL or OP07CSZ-REEL7 These Analog Devices Inc. variants provide identical electrical performance to the OP07CD with extended operating temperature range (-40°C to 85°C versus 0°C to 70°C). Both parts maintain Active product status with substantial inventory (25,202 pcs and 25,300 pcs respectively). These parts are appropriate for applications requiring extended temperature operation or when Analog Devices sourcing is preferred. Both are supplied in Cut Tape & Digi-Reel packaging.
Alternative Recommendation: AD8677ARZ The AD8677ARZ (Analog Devices Inc., iPolar series) provides enhanced performance characteristics including lower input bias current (0.2 pA versus 1.8 nA), lower input offset voltage (45 µV versus 60 µV), and extended operating temperature range (-40°C to 125°C). This part is suitable for applications where improved precision and wider temperature operation are beneficial. Supply voltage minimum is 8V (versus 6V for OP07CD), which must be verified for compatibility with existing designs.
Alternative Recommendation: LT1012ACS8#TRPBF The LT1012ACS8#TRPBF (Analog Devices Inc.) offers superior input bias current (25 pA) and input offset voltage (8 µV) performance. This part supports extended supply voltage range (2.4V to 40V) and is suitable for precision applications. Operating temperature range matches the OP07CD (0°C to 70°C). Inventory is limited (714 pcs). This part is appropriate for designs requiring enhanced precision specifications.
All recommended substitutes maintain ROHS3 compliance, MSL Level 1 (Unlimited), and 8-SOIC surface mount packaging compatible with OP07CD PCB layouts.
Frequently Asked Questions (FAQ)
Q1: Can OP07CDR be used as a direct replacement for OP07CD without circuit modification?
A: Yes. The OP07CDR is electrically and mechanically identical to the OP07CD. All electrical parameters (slew rate, gain bandwidth product, input bias current, input offset voltage, and supply voltage range) are equivalent. The 8-SOIC package dimensions are identical. No circuit modifications are required. The primary difference is packaging format (Cut Tape & Digi-Reel versus Tube) and product status (Active versus Last Time Buy).
Q2: What is the difference between OP07CSZ and OP07CSZ-REEL?
A: Both parts are manufactured by Analog Devices Inc. with identical electrical specifications. The difference is packaging format: OP07CSZ is supplied in Tube packaging, while OP07CSZ-REEL and OP07CSZ-REEL7 are supplied in Cut Tape & Digi-Reel format. All three maintain the same 8-SOIC package case dimensions and electrical performance. Selection depends on assembly process requirements (manual assembly typically uses Tube; automated assembly typically uses Tape & Reel).
Q3: Why does the AD8677ARZ have a higher minimum supply voltage (8V) than the OP07CD (6V)?
A: The AD8677ARZ is a different device with enhanced specifications (lower input bias current, lower input offset voltage, extended temperature range). The higher minimum supply voltage (8V versus 6V) is a characteristic of this enhanced design. Designs operating at 6V or 7V supply voltage cannot use the AD8677ARZ without circuit modification to increase the supply voltage.
Q4: Is the LT1012ACS8#TRPBF suitable for all OP07CD applications?
A: The LT1012ACS8#TRPBF provides superior precision specifications (input bias current 25 pA, input offset voltage 8 µV) and is electrically compatible with the OP07CD across the 0°C to 70°C operating temperature range. However, the minimum supply voltage is 2.4V (lower than OP07CD's 6V) and maximum is 40V (higher than OP07CD's 36V). Verify that your specific application does not depend on the 6V minimum supply voltage specification. Inventory is limited (714 pcs).
Q5: Can I use OP07CSZ in new designs?
A: The OP07CSZ is marked as "Not For New Designs" by Analog Devices Inc. While it is electrically compatible with the OP07CD, it is not recommended for new product development. Use OP07CSZ-REEL or OP07CSZ-REEL7 (both Active status) for new designs requiring Analog Devices sourcing.
Q6: What packaging format should I select for automated assembly?
A: For automated pick-and-place assembly, select parts supplied in Cut Tape & Digi-Reel format: OP07CDR, OP07CSZ-REEL, OP07CSZ-REEL7, or LT1012ACS8#TRPBF. Tube packaging (OP07CD, OP07CSZ, AD8677ARZ) is typically used for manual assembly or requires additional handling equipment for automated processes.
Q7: Are all substitute parts RoHS3 compliant?
A: Yes. All parts listed in this reference (OP07CDR, OP07CSZ variants, AD8677ARZ, and LT1012ACS8#TRPBF) are ROHS3 compliant with MSL Level 1 (Unlimited moisture sensitivity). All parts are suitable for lead-free soldering processes.
Q8: Which substitute part has the best inventory availability?
A: The OP07CDR has the highest inventory availability at 220,100 pcs. This is the recommended choice for applications requiring immediate availability and long-term supply security.
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