Part A
ADA4530-1ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 3596 件
- Package
- SOIC-8
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Replacement verdict
Compatible functional replacement candidate
The ADA4530-1ARZ and ADA4530-1ARZ-RL are the same ADA4530-1 femtoampere input bias current electrometer amplifier die in an identical 8-lead SOIC package, differing only in packaging format (tube vs. tape-and-reel). They are functionally interchangeable for design, qualification, and production use, with the -RL variant suited to automated high-volume assembly lines.
Amplifier Core Specifications
High match
Package and Pinout
High match
Operating Temperature Range
High match
Packaging Format
High match
Parts at a glance
Part B
ADA4530-1ARZ-RL
ADI公司
- Lifecycle
- Active
- Stock
- 7738 件
- Package
- SOIC-8
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4530-1ARZ | ADA4530-1ARZ-RL | Why it matters |
|---|---|---|---|
| Amplifier Type | Electrometer / Femtoampere Input Bias Current Amplifier | Electrometer / Femtoampere Input Bias Current Amplifier | Confirms both parts are the same functional amplifier type, so they are interchangeable in the same circuit role. |
| Number of Channels | 1 | 1 | Channel count must match for pin-compatible substitution in single-amplifier designs. |
| Input Bias Current (typ) | ±1 fA (at 25°C) | ±1 fA (at 25°C) | Ultra-low input bias current is the defining feature of this electrometer amplifier; identical values ensure equivalent high-impedance sensor performance. |
| Input Offset Voltage (max) | ±50 µV | ±50 µV | Offset voltage directly affects DC accuracy; matching limits guarantee the same precision in measurement front-ends. |
| Gain Bandwidth Product | 2 MHz | 2 MHz | GBW determines the achievable closed-loop bandwidth and stability; identical values preserve dynamic response. |
| Supply Voltage Range | 4.5 V to 16 V (single) / ±2.25 V to ±8 V (dual) | 4.5 V to 16 V (single) / ±2.25 V to ±8 V (dual) | Supply range must match to ensure the part operates correctly in the target system's power rails. |
| Package / Mounting | 8-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount) | Identical package and footprint allow direct board-level replacement without layout changes. |
| Packaging / Delivery Form | Tube | Tape and Reel | The only difference is the shipping form; tube suits low-volume/prototyping, while tape-and-reel suits automated high-volume assembly. Electrically identical. |
| Operating Temperature Range | −40°C to +125°C | −40°C to +125°C | Matching temperature ratings ensure equivalent performance across the same environmental conditions. |
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 | ADA4530-1ARZ | ADA4530-1ARZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Active |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 1 | 1 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 1.4V/µs | 1.4V/µs |
| Gain Bandwidth Product | 2 MHz | 2 MHz |
| -3 dB Bandwidth | 5.5 MHz | 5.5 MHz |
| Current - Input Bias | 0.02 pA | 0.02 pA |
| Voltage - Input Offset | 8 µV | 8 µV |
| Supply Current | 900µA | 900µA |
| Current - Output / Channel | 15 mA | 15 mA |
| Voltage - Supply Span(Min) | 4.5 V | 4.5 V |
| Voltage - Supply Span(Max) | 16 V | 16 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 ADA4530-1ARZ and ADA4530-1ARZ-RL?
Both parts are the same ADA4530-1 femtoampere-level input bias current operational amplifier in an 8-lead SOIC package. The difference is packaging format: ADA4530-1ARZ is supplied in tube/tray quantities, while ADA4530-1ARZ-RL is the tape-and-reel version intended for automated pick-and-place assembly. Electrical performance and die are identical.
Are ADA4530-1ARZ and ADA4530-1ARZ-RL electrically and functionally interchangeable?
Yes. Both order codes refer to the same silicon device, the ADA4530-1, in the same 8-lead SOIC package with the same pinout and specified electrical parameters. They differ only in shipping container format, so they are interchangeable in the assembled board.
What package do ADA4530-1ARZ and ADA4530-1ARZ-RL use?
Both are offered in an 8-lead SOIC package (the "RZ" suffix denotes the SOIC package in Analog Devices ordering nomenclature). The "-RL" suffix indicates tape-and-reel packing of the same SOIC package.
What are the key specifications of the ADA4530-1?
The ADA4530-1 is a femtoampere input bias current electrometer-grade operational amplifier with extremely low input bias current (typically in the femtoampere range), low offset voltage, rail-to-rail output, and operation on a wide supply range. It is designed for precision electrometer, photodiode, and high-impedance sensor applications. Consult the official Analog Devices datasheet for exact guaranteed limits.
Which version should be selected for high-volume automated assembly?
ADA4530-1ARZ-RL is the tape-and-reel option and is generally preferred for automated pick-and-place production lines. ADA4530-1ARZ in tube/tray format is typically used for prototyping, low-volume runs, or manual assembly.
Do ADA4530-1ARZ and ADA4530-1ARZ-RL have the same moisture sensitivity and handling requirements?
Yes. Since both are the same SOIC-packaged device, they share the same moisture sensitivity level and handling, storage, and reflow requirements as specified by Analog Devices for the ADA4530-1 in the 8-lead SOIC package. Refer to the manufacturer datasheet and packaging information for the exact MSL rating.
Can ADA4530-1ARZ-RL be used as a drop-in replacement for ADA4530-1ARZ on an existing PCB?
Yes. Because both order codes correspond to the identical ADA4530-1 die in the same 8-lead SOIC package with the same pinout, the reeled version can be used on a PCB designed for the tube version without layout changes. Only the assembly feed format differs.