Part A
AD8041ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3656 Stückzahl
- Package
- SOIC-8
- Series
- Linear-Verstärker.Instrumentation, OP-Verstärker, Pufferverstärker
Replacement verdict
Compatible functional replacement candidate
The AD8041ARZ and AD8041AR-REEL are functionally equivalent, sharing the same AD8041 operational amplifier die, package type, and specified performance characteristics. The only meaningful distinction is the packaging format: the AD8041ARZ is supplied in tube form, while the AD8041AR-REEL is supplied on tape and reel for automated assembly. Either part can serve as a direct replacement for the other in the same application, provided the board assembly process accommodates the respective packaging format.
Amplifier Core Specifications
High match
Package Type
High match
Pinout and Footprint
High match
Packaging Format
Validation required
Parts at a glance
Part B
AD8041AR-REEL
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 530 Stückzahl
- Package
- SOIC-8
- Series
- Linear-Verstärker.Instrumentation, OP-Verstärker, Pufferverstärker
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8041ARZ | AD8041AR-REEL | Why it matters |
|---|---|---|---|
| Amplifier Type | Voltage Feedback | Voltage Feedback | Both are voltage-feedback op amps, so the feedback topology and compensation behavior are the same. |
| Number of Circuits | 1 | 1 | Single-channel configuration determines package pinout and channel count in the application. |
| -3dB Bandwidth | 160 MHz | 160 MHz | Bandwidth defines the maximum signal frequency the amplifier can handle with acceptable gain rolloff. |
| Slew Rate | 160 V/µs | 160 V/µs | Slew rate limits large-signal transient response and distortion at high frequencies. |
| Input Offset Voltage | 1 mV | 1 mV | Offset voltage affects DC accuracy and error budget in precision signal chains. |
| Supply Voltage Range | 3 V to 12 V | 3 V to 12 V | Supply range determines compatibility with single-supply and split-supply system rails. |
| Supply Current per Channel | 6.5 mA | 6.5 mA | Quiescent current impacts power budget and thermal design in the target system. |
| Package / Case | 8-SOIC | 8-SOIC | Package footprint must match the PCB land pattern for drop-in substitutability. |
| Packaging / Delivery Form | Tube | Tape & Reel | Delivery form affects assembly line handling; reel is suited for automated pick-and-place, tube for manual or low-volume use. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8041ARZ | AD8041AR-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 1 | 1 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 170V/µs | 170V/µs |
| -3 dB Bandwidth | 170 MHz | 170 MHz |
| Current - Input Bias | 1.2 µA | 1.2 µA |
| Voltage - Input Offset | 2 mV | 2 mV |
| Supply Current | 5.8mA | 5.8mA |
| Current - Output / Channel | 50 mA | 50 mA |
| Voltage - Supply Span(Min) | 3 V | 3 V |
| Voltage - Supply Span(Max) | 12 V | 12 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between AD8041ARZ and AD8041AR-REEL?
Both parts are the same AD8041 operational amplifier die in an 8-lead SOIC package. The AD8041ARZ is supplied in tube or tray packaging and carries the RoHS-compliant "Z" suffix, while AD8041AR-REEL is the same device supplied on tape-and-reel for automated assembly. The AD8041AR-REEL is the non-RoHS version (no "Z" suffix).
Are AD8041ARZ and AD8041AR-REEL electrically identical?
Yes. Both are the AD8041, a single low-power, high-speed voltage-feedback operational amplifier with a 160 MHz unity-gain bandwidth and 160 V/µs slew rate. The electrical performance is the same; the difference is packaging format and RoHS compliance status.
What is the difference in RoHS compliance between the two parts?
The AD8041ARZ is the RoHS-compliant version, indicated by the "Z" suffix in the part number. The AD8041AR-REEL does not carry the "Z" suffix and is therefore the non-RoHS version. Designers requiring RoHS compliance should specify AD8041ARZ.
Can AD8041ARZ and AD8041AR-REEL be used interchangeably in a design?
Electrically and functionally yes, since both are the same AD8041 amplifier in an 8-lead SOIC package. However, they differ in RoHS compliance and delivery format, so interchangeability depends on the assembly process and regulatory requirements of the target design.
What package do AD8041ARZ and AD8041AR-REEL use?
Both devices are offered in an 8-lead SOIC (Small Outline Integrated Circuit) package, designated by the "AR" code in the part number. The package footprint and pinout are identical between the two ordering variants.
Why would a manufacturer offer the same amplifier in both tube and reel formats?
Packaging format is selected based on the production environment. Tape-and-reel (AD8041AR-REEL) supports high-volume automated pick-and-place assembly, while tube or tray packaging (AD8041ARZ) is typically used for lower-volume runs, prototyping, and manual assembly.
Which part number should be specified for a RoHS-compliant production build?
AD8041ARZ should be specified, as the "Z" suffix denotes RoHS compliance. The AD8041AR-REEL is the non-RoHS variant and should not be selected where RoHS compliance is required.