Part A
ADA4075-2ARZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 1638 PCS
- Package
- SOIC-8
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Replacement verdict
Compatible functional replacement candidate
The ADA4075-2ARZ-R7 and ADA4075-2ARZ are functionally equivalent dual low-noise operational amplifiers that share identical die, electrical specifications, and SOIC-8 package construction; the only distinction is tape-and-reel versus tube packaging, making them interchangeable for design and production use with no electrical or footprint impact.
Amplifier Core Specifications
High match
Package and Pinout
High match
Operating Temperature Range
High match
Packaging Format
Validation required
Parts at a glance
Part B
ADA4075-2ARZ-R7
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 5954 PCS
- Package
- SOIC-8
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4075-2ARZ-R7 | ADA4075-2ARZ | Why it matters |
|---|---|---|---|
| Amplifier Type | General Purpose, Low Power, Low Noise | General Purpose, Low Power, Low Noise | Confirms both parts are the same amplifier core, so functional behavior is identical. |
| Number of Channels | 2 | 2 | Channel count must match for the part to be a drop-in replacement in dual-op-amp circuits. |
| Supply Voltage Range | ±4.5 V to ±15 V (9 V to 30 V total) | ±4.5 V to ±15 V (9 V to 30 V total) | Determines compatibility with the system power rails; identical range ensures interchangeability. |
| Input Offset Voltage (Max) | 125 µV | 125 µV | Offset voltage affects DC accuracy; matching values mean equivalent precision performance. |
| Input Voltage Noise Density | 2.8 nV/√Hz (at 1 kHz) | 2.8 nV/√Hz (at 1 kHz) | Noise density is critical for low-level signal amplification; identical values ensure the same noise floor. |
| Gain Bandwidth Product | 6.5 MHz | 6.5 MHz | GBW sets the achievable closed-loop bandwidth; matching values preserve frequency response. |
| Slew Rate | 2.5 V/µs | 2.5 V/µs | Slew rate limits large-signal dynamic response; identical values ensure the same transient behavior. |
| Supply Current per Amplifier | 1.8 mA (typ) | 1.8 mA (typ) | Quiescent current impacts power budget; matching values mean equivalent power consumption. |
| Package / Mounting | 8-Lead SOIC, Tape & Reel (R7) | 8-Lead SOIC, Tube | Same package and footprint, but different packaging format affects assembly handling and inventory, not electrical function. |
| Packaging / Ordering Format | Tape & Reel (7-inch, 750 units) | Tube | Packaging format matters for automated pick-and-place production versus manual or low-volume assembly. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADA4075-2ARZ | ADA4075-2ARZ-R7 |
|---|---|---|
| Series | iPolar® | iPolar® |
| Part Status | Active | Active |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 |
| Slew Rate | 12V/µs | 12V/µs |
| Gain Bandwidth Product | 6.5 MHz | 6.5 MHz |
| Current - Input Bias | 30 nA | 30 nA |
| Voltage - Input Offset | 200 µV | 200 µV |
| Supply Current | 1.8mA (x2 Channels) | 1.8mA (x2 Channels) |
| Current - Output / Channel | 40 mA | 40 mA |
| Voltage - Supply Span(Min) | 9 V | 9 V |
| Voltage - Supply Span(Max) | 36 V | 36 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between ADA4075-2ARZ-R7 and ADA4075-2ARZ?
Both parts are the same ADA4075-2 dual low-noise operational amplifier in an 8-lead SOIC package. The difference is packaging format: ADA4075-2ARZ is supplied in standard tube/rail packaging, while the -R7 suffix denotes tape-and-reel packaging (7-inch reel) intended for automated assembly. The electrical and mechanical specifications of the device are identical.
Are the ADA4075-2ARZ-R7 and ADA4075-2ARZ electrically identical?
Yes. The -R7 suffix only designates the shipping packaging (tape-and-reel). Both variants use the same die and are specified with the same datasheet parameters, including supply voltage range, input offset voltage, noise density, and gain bandwidth product.
Can ADA4075-2ARZ-R7 be used as a drop-in replacement for ADA4075-2ARZ?
Yes, from an electrical and footprint standpoint they are interchangeable because both are the same device in the same 8-lead SOIC (R-8) package. The only practical consideration is the assembly process: the -R7 reel format is suited to pick-and-place production, while the tube format is typically used for prototyping or low-volume handling.
What package do the ADA4075-2ARZ and ADA4075-2ARZ-R7 use?
Both variants are offered in the 8-lead SOIC package (Analog Devices R-8 suffix), with a nominal body width of 3.90 mm and 1.27 mm lead pitch. The "Z" in the part number indicates RoHS-compliant lead finish.
Are both variants RoHS compliant?
Yes. The "Z" suffix in both ADA4075-2ARZ and ADA4075-2ARZ-R7 denotes RoHS-compliant construction per Analog Devices part numbering, so both are lead-free and RoHS compliant.
Which variant should be selected for automated PCB assembly?
ADA4075-2ARZ-R7 is the appropriate choice for automated SMT assembly because it is supplied on a 7-inch tape-and-reel, which is compatible with standard pick-and-place feeders. ADA4075-2ARZ in tube packaging is generally preferred for manual handling, prototyping, or low-volume builds.
Do both variants share the same operating temperature range and supply specifications?
Yes. Since both are the same ADA4075-2 device, they share the datasheet-specified operating temperature range of -40°C to +125°C and the same supply voltage range and AC/DC performance characteristics. Packaging format does not affect these ratings.