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OP07CSZ Equivalent & Substitute Parts
Part Overview
The OP07CSZ is a general-purpose operational amplifier manufactured by Analog Devices Inc., housed in an 8-SOIC surface mount package. This device is classified as "Not For New Designs," indicating it has reached end-of-life status. The OP07CSZ operates across a wide supply voltage range of 6V to 36V with an operating temperature range of -40°C to 85°C, making it suitable for legacy applications requiring low input bias current and low input offset voltage characteristics.
Due to its discontinued design status, equivalent and substitute parts are necessary for ongoing production support, maintenance applications, and design continuity where the OP07CSZ specifications remain applicable.
Substiute Parts
Key Parameters
| Parameter | OP07CSZ Value | Unit |
|---|---|---|
| Amplifier Type | General Purpose | — |
| Number of Circuits | 1 | — |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) | — |
| Mounting Type | Surface Mount | — |
| Slew Rate | 0.3 | V/µs |
| -3dB Bandwidth | 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 | -40°C ~ 85°C | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the OP07CSZ is determined by the following critical parameters:
Package Compatibility: All substitute parts must use the 8-SOIC surface mount package with 0.154" (3.90mm) width to ensure direct PCB footprint compatibility.
Electrical Performance Envelope: Substitute parts must operate within the supply voltage range of 6V to 36V minimum. Input bias current and input offset voltage characteristics determine signal integrity in precision applications.
Thermal Operating Range: The OP07CSZ operates from -40°C to 85°C. Substitute parts with extended temperature ranges (such as -40°C to 125°C) provide broader operational capability and are acceptable for legacy applications.
Slew Rate and Bandwidth: The OP07CSZ exhibits a slew rate of 0.3V/µs and -3dB bandwidth of 600 kHz. Substitute parts with equal or superior slew rate and bandwidth performance maintain or improve signal fidelity.
Compliance and Status: All substitute parts must maintain ROHS3 compliance and MSL rating of 1 to ensure manufacturing compatibility and long-term reliability.
The following parts meet these substitution criteria:
- OP07DD, OP07CDR, OP07DDR (Texas Instruments OP07 series variants)
- ADA4177-1ARZ (Analog Devices rail-to-rail variant)
- ADA4077-1BRZ (Analog Devices enhanced performance variant)
- OP-07DPSR (Texas Instruments tape & reel packaging variant)
- OPA277U, OPA277U/2K5 (Texas Instruments enhanced bandwidth variant)
Parameter Comparison
| Parameter | OP07CSZ | OP07CDR | OP07DD | OP07DDR | OP-07DPSR | ADA4177-1ARZ | ADA4077-1BRZ | OPA277U |
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Analog Devices | Texas Instruments | Texas Instruments | Texas Instruments | Texas Instruments | Analog Devices | Analog Devices | Texas Instruments |
| Package / Case | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.209", 5.30mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) | 8-SOIC (0.154", 3.90mm) |
| Slew Rate (V/µs) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 | 1.5 | 1.2 | 0.8 |
| Gain Bandwidth Product (MHz) | 0.6 | 0.6 | 0.6 | 0.6 | 0.6 | 3.5 | 3.6 | 1.0 |
| Current - Input Bias (nA/pA) | 1.8 nA | 1.8 nA | 2 nA | 2 nA | 2 nA | 300 pA | 400 pA | 500 pA |
| Voltage - Input Offset (µV) | 60 | 60 | 60 | 60 | 60 | 3 | 15 | 10 |
| Voltage - Supply Span (Min) | 6 V | 6 V | 6 V | 6 V | 6 V | 5 V | 5 V | 4 V |
| Voltage - Supply Span (Max) | 36 V | 36 V | 36 V | 36 V | 36 V | 36 V | 30 V | 36 V |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 85°C |
| Product Status | Not For New Designs | 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 |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 1 (Unlimited) | 3 (168 Hours) |
Engineering Selection Recommendations
Direct Electrical Equivalents (Matched Performance):
The OP07CDR, OP07DD, and OP07DDR represent direct electrical equivalents to the OP07CSZ. These Texas Instruments variants maintain identical slew rate (0.3V/µs), bandwidth (600 kHz), input bias current (1.8-2 nA), and input offset voltage (60 µV) specifications. All three parts are ROHS3 compliant with MSL rating of 1. The primary distinction is packaging format: OP07CDR is supplied in Cut Tape & Digi-Reel format with 220,100 units in stock, OP07DD in Tube format with 1,121 units, and OP07DDR in Cut Tape & Digi-Reel format with 25,400 units. These parts are suitable for direct substitution in legacy applications where the OP07CSZ specifications are required.
Enhanced Performance Alternatives:
The ADA4177-1ARZ and ADA4077-1BRZ offer superior electrical performance with higher slew rates (1.5V/µs and 1.2V/µs respectively) and significantly lower input bias currents (300 pA and 400 pA). Both maintain the 8-SOIC package footprint and operate across the full 6V to 36V supply range. The ADA4177-1ARZ includes rail-to-rail output capability and operates to -40°C to 125°C, extending thermal range beyond the OP07CSZ. These parts are suitable for applications where improved signal fidelity and extended temperature operation provide system benefits.
Bandwidth-Enhanced Variant:
The OPA277U and OPA277U/2K5 provide increased gain bandwidth product (1 MHz versus 600 kHz) and improved slew rate (0.8V/µs) while maintaining the 8-SOIC package. These parts operate from -40°C to 85°C, matching the OP07CSZ thermal range. The OPA277U is available in Tube packaging (9,050 units) and OPA277U/2K5 in Cut Tape & Digi-Reel format (5,230 units). These variants are applicable where faster signal response is required within the same thermal envelope.
Packaging Variant:
The OP-07DPSR is a Texas Instruments OP07 variant supplied in Tape & Reel format with 50,300 units in stock. This part maintains identical electrical specifications to the OP07CDR and OP07DD but is optimized for high-volume automated assembly processes.
Product Status Consideration:
All recommended substitute parts carry "Active" product status, ensuring ongoing manufacturing support and long-term availability. The OP07CSZ "Not For New Designs" status necessitates transition to active alternatives for production continuity.
Frequently Asked Questions (FAQ)
Q: Can the OP07CDR be used as a direct replacement for the OP07CSZ?
A: Yes. The OP07CDR is a direct electrical equivalent with identical slew rate (0.3V/µs), bandwidth (600 kHz), input bias current (1.8 nA), and input offset voltage (60 µV). Both parts use the 8-SOIC package with 0.154" (3.90mm) width, ensuring PCB footprint compatibility. The OP07CDR is ROHS3 compliant with MSL rating of 1. The primary difference is that OP07CDR operates from 0°C to 70°C versus the OP07CSZ range of -40°C to 85°C. For applications within the 0°C to 70°C range, the OP07CDR provides direct substitution.
Q: What is the difference between OP07DD and OP07DDR?
A: Both OP07DD and OP07DDR are electrically identical with matching slew rate, bandwidth, input bias current, and input offset voltage specifications. The distinction is packaging format: OP07DD is supplied in Tube format, while OP07DDR is supplied in Cut Tape & Digi-Reel format. OP07DDR is preferred for automated assembly processes. Both are ROHS3 compliant with MSL rating of 1 and operate from 0°C to 70°C.
Q: Why would I select the ADA4177-1ARZ over the OP07CDR?
A: The ADA4177-1ARZ offers superior electrical performance with slew rate of 1.5V/µs (versus 0.3V/µs), input bias current of 300 pA (versus 1.8 nA), and input offset voltage of 3 µV (versus 60 µV). The ADA4177-1ARZ includes rail-to-rail output capability and operates across -40°C to 125°C, extending the upper temperature limit by 40°C. Selection depends on application requirements: if legacy OP07CSZ performance is sufficient, the OP07CDR provides cost-effective equivalence; if improved signal fidelity and extended temperature operation are beneficial, the ADA4177-1ARZ is appropriate.
Q: Is the OP-07DPSR compatible with the OP07CSZ?
A: The OP-07DPSR is electrically equivalent to the OP07CSZ with identical slew rate (0.3V/µs), bandwidth (600 kHz), input bias current (2 nA), and input offset voltage (60 µV). However, the OP-07DPSR uses an 8-SOIC package with 0.209" (5.30mm) width, which differs from the OP07CSZ package width of 0.154" (3.90mm). This package dimension difference means the OP-07DPSR will not fit the same PCB footprint. The OP-07DPSR is suitable only for new designs where the larger package footprint is accommodated.
Q: What is the significance of MSL rating 1 versus MSL rating 3?
A: MSL (Moisture Sensitivity Level) rating 1 indicates unlimited shelf life without moisture bake-out requirements, while MSL rating 3 requires moisture bake-out after 168 hours of exposure to ambient humidity. The OP07CSZ, OP07CDR, OP07DD, OP07DDR, OP-07DPSR, ADA4177-1ARZ, and ADA4077-1BRZ all carry MSL rating 1. The OPA277U and OPA277U/2K5 carry MSL rating 3, requiring moisture management during storage and handling. For applications with stringent manufacturing logistics, MSL rating 1 parts are preferred.
Q: Can the OPA277U replace the OP07CSZ in all applications?
A: The OPA277U is not a direct replacement. While both operate from -40°C to 85°C and use the 8-SOIC package, the OPA277U has significantly different electrical characteristics: slew rate of 0.8V/µs (versus 0.3V/µs), gain bandwidth product of 1 MHz (versus 600 kHz), and input bias current of 500 pA (versus 1.8 nA). The OPA277U is suitable for applications where faster signal response and lower input bias current provide system benefits. Applications requiring the exact OP07CSZ performance envelope should use OP07CDR, OP07DD, or OP07DDR instead.
Q: What is the inventory status for substitute parts?
A: OP07CDR has the highest inventory with 220,100 units in stock. OP-07DPSR has 50,300 units. OPA277U has 9,050 units. OP07DDR has 25,400 units. ADA4177-1ARZ has 3,145 units. ADA4077-1BRZ has 4,975 units. OP07DD has 1,121 units. Inventory levels should be verified at time of procurement as stock quantities are subject to change.
Q: Are all substitute parts ROHS3 compliant?
A: Yes. All recommended substitute parts—OP07CDR, OP07DD, OP07DDR, OP-07DPSR, ADA4177-1ARZ, ADA4077-1BRZ, OPA277U, and OPA277U/2K5—are ROHS3 compliant. All parts are also REACH unaffected and carry ECCN classification EAR99.
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