Part A
ADA4077-2ARZ
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 5777 ПКС
- Package
- SOIC-8
- Series
- Линейные - Усилетели - Приборы, ОП Усилетели, Буферные Усилетели
Replacement verdict
Compatible functional replacement candidate
The ADA4077-2ARZ and ADA4077-2ARZ-RL are functionally identical operational amplifiers; the only distinction is the packaging format, with the -RL variant supplied on tape and reel for automated assembly. Either part number can be used interchangeably in the same circuit design, and the choice between them should be driven solely by the production handling and inventory requirements of the assembly line.
Amplifier Core Specifications
High match
Package Type
High match
Pinout and Footprint
High match
Packaging Format
Validation required
Parts at a glance
Part B
ADA4077-2ARZ-RL
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 8573 ПКС
- Package
- SOIC-8
- Series
- Линейные - Усилетели - Приборы, ОП Усилетели, Буферные Усилетели
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4077-2ARZ | ADA4077-2ARZ-RL | Why it matters |
|---|---|---|---|
| Amplifier Type | General Purpose, Precision | General Purpose, Precision | Confirms both parts are the same precision op-amp family, so functional behavior is identical. |
| Number of Channels | 2 | 2 | Dual-channel configuration must match for circuit topology and pinout compatibility. |
| Supply Voltage Range | 4 V to 36 V (±2 V to ±18 V) | 4 V to 36 V (±2 V to ±18 V) | Determines whether the part can operate in the target system's power rails. |
| Input Offset Voltage (Max) | 25 µV | 25 µV | Low offset is critical for precision signal conditioning and DC accuracy. |
| Gain Bandwidth Product | 3.6 MHz | 3.6 MHz | Sets the achievable closed-loop bandwidth and dynamic response of the amplifier. |
| Input Bias Current (Typ) | 0.5 nA | 0.5 nA | Low bias current minimizes errors in high-impedance sensor and feedback networks. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Ensures the part meets environmental requirements of the application. |
| Package / Mounting | 8-SOIC, Surface Mount | 8-SOIC, Surface Mount | Same package and footprint allow direct board-level substitution. |
| Packaging / Delivery Form | Tube | Tape & Reel | Only difference between the two part numbers; affects assembly handling, not electrical performance. |
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 | ADA4077-2ARZ | ADA4077-2ARZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Active |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 |
| Slew Rate | 1.2V/µs | 1.2V/µs |
| Gain Bandwidth Product | 3.6 MHz | 3.6 MHz |
| -3 dB Bandwidth | 5.5 MHz | 5.5 MHz |
| Current - Input Bias | 400 pA | 400 pA |
| Voltage - Input Offset | 15 µV | 15 µV |
| Supply Current | 400µA (x2 Channels) | 400µA (x2 Channels) |
| Current - Output / Channel | 10 mA | 10 mA |
| Voltage - Supply Span(Min) | 5 V | 5 V |
| Voltage - Supply Span(Max) | 30 V | 30 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 ADA4077-2ARZ and ADA4077-2ARZ-RL?
The ADA4077-2ARZ and ADA4077-2ARZ-RL are the same dual operational amplifier die in the same 8-lead SOIC package. The difference is packaging format: ADA4077-2ARZ is supplied in tube packaging, while ADA4077-2ARZ-RL is supplied in tape-and-reel packaging for automated assembly. Electrical and thermal specifications are identical.
Are the ADA4077-2ARZ and ADA4077-2ARZ-RL electrically interchangeable?
Yes. Both order codes refer to the same ADA4077-2 device in an 8-lead SOIC package, so gain bandwidth, offset voltage, input bias current, noise, supply range, and pinout are identical. The only difference is the shipping container (tube vs. tape-and-reel).
What package do the ADA4077-2ARZ and ADA4077-2ARZ-RL use?
Both parts are offered in the 8-lead SOIC package (the "RZ" suffix in the Analog Devices nomenclature denotes the SOIC package). The package body and pin configuration are the same for both order codes.
Which order code should be selected for high-volume automated assembly?
ADA4077-2ARZ-RL is the tape-and-reel option, which is intended for automated pick-and-place assembly lines. ADA4077-2ARZ in tubes is typically used for prototyping, low-volume runs, or manual handling.
Do the ADA4077-2ARZ and ADA4077-2ARZ-RL share the same operating temperature range?
Yes. Because both order codes are the same ADA4077-2 device in the same SOIC package, the specified operating temperature range is identical for both. Designers should confirm the exact range against the current Analog Devices datasheet for the ADA4077-2.
Can ADA4077-2ARZ and ADA4077-2ARZ-RL be mixed on the same PCB assembly?
Yes. Since both are the same device in the same package with the same pinout and electrical specifications, they are functionally and physically interchangeable on a PCB. The choice between them affects only the feeding method of the assembly equipment, not the board design.
Is the moisture sensitivity level the same for both order codes?
Both order codes use the same 8-lead SOIC package, so the moisture sensitivity level classification is the same. The MSL rating should be verified against the current Analog Devices datasheet and packaging information for the ADA4077-2.