Part A
AD8534ARZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 1914 個数
- Package
- SOIC-14
- Series
- リニアアンプ - 計装用、オペアンプ、バッファアンプ
Replacement verdict
Compatible functional replacement candidate
The AD8534ARZ and AD8532AR-REEL7 are both quad/dual rail-to-rail CMOS operational amplifiers from Analog Devices sharing the same core amplifier architecture, supply range, and SOIC package family, making them functionally related candidates. However, the AD8534ARZ is a quad device in a 14-lead SOIC while the AD8532AR-REEL7 is a dual device in an 8-lead SOIC, so the replacement is only viable where channel count and board footprint are re-engineered accordingly. Designers should validate channel count, package footprint, and thermal/power budget before substituting.
Channel Count
Validation required
Package Type
Validation required
Supply Voltage Range
High match
Amplifier Architecture
High match
Parts at a glance
Part B
AD8532AR-REEL7
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 5525 個数
- Package
- SOIC-8
- Series
- リニアアンプ - 計装用、オペアンプ、バッファアンプ
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8534ARZ | AD8532AR-REEL7 | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 4 (Quad) | 2 (Dual) | Channel count determines how many independent signal paths can be handled; a quad cannot directly replace a dual in a board designed for two channels without layout changes. |
| Supply Voltage Range | 2.7 V to 6 V | 2.7 V to 6 V | Matching supply ranges ensure the part operates correctly in the same power rail environment without additional regulation. |
| Gain Bandwidth Product | 3 MHz | 3 MHz | GBW sets the maximum usable frequency for a given closed-loop gain; identical values preserve AC performance and stability. |
| Slew Rate | 5 V/µs | 5 V/µs | Slew rate limits large-signal response speed; matching values keeps transient behavior consistent between the two parts. |
| Input Offset Voltage (max) | 25 mV | 25 mV | Offset voltage affects DC accuracy; identical maximums mean comparable precision in the same circuit. |
| Input Bias Current | 1 pA (typ) | 1 pA (typ) | Very low bias current suits high-impedance sensor interfaces; matching values preserve input loading characteristics. |
| Output Current per Amplifier | 250 mA | 250 mA | High output drive capability supports driving heavy loads; identical ratings ensure equivalent load-driving performance. |
| Package / Mounting | 14-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount) | Different package pin counts and footprints prevent direct drop-in replacement; PCB layout must accommodate the respective package. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | The temperature range defines the environments where the part is guaranteed to meet specifications; matching ranges support equivalent thermal robustness. |
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 | AD8534ARZ | AD8532AR-REEL7 |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 4 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 5V/µs | 5V/µs |
| Gain Bandwidth Product | 3 MHz | 3 MHz |
| Current - Input Bias | 5 pA | 5 pA |
| Voltage - Input Offset | 25 mV | 25 mV |
| Supply Current | 750µA (x4 Channels) | 750µA (x2 Channels) |
| Current - Output / Channel | 250 mA | 250 mA |
| Voltage - Supply Span(Min) | 2.7 V | 2.7 V |
| Voltage - Supply Span(Max) | 6 V | 6 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the main differences between the AD8534ARZ and AD8532AR-REEL7?
The AD8534ARZ is a quad-channel operational amplifier in a 14-lead SOIC package, while the AD8532AR-REEL7 is a dual-channel operational amplifier in an 8-lead SOIC package supplied on a 7-inch reel. Both are members of the Analog Devices AD853x family and share the same per-channel specifications, but they differ in channel count, package pin count, and packaging format.
Are the AD8534ARZ and AD8532AR-REEL7 electrically identical on a per-channel basis?
Yes. Both devices are specified with the same per-channel performance, including a 3 MHz gain bandwidth product, 5 V/µs slew rate, and rail-to-rail input and output operation, with a supply voltage range of 2.7 V to 6 V. The AD8534ARZ integrates four such channels, while the AD8532AR-REEL7 integrates two.
Can the AD8532AR-REEL7 be used as a drop-in replacement for the AD8534ARZ?
No. The AD8534ARZ is a quad amplifier in a 14-lead SOIC package, whereas the AD8532AR-REEL7 is a dual amplifier in an 8-lead SOIC package. The pin counts, pin functions, and PCB land patterns differ, so a direct drop-in substitution is not possible without a board redesign.
What supply voltage range do the AD8534ARZ and AD8532AR-REEL7 support?
Both devices operate from a single supply voltage of 2.7 V to 6 V, and they can also be operated from dual supplies within that total range. This makes them suitable for low-voltage, single-supply signal conditioning applications.
What are the package and mounting options for these two parts?
The AD8534ARZ is supplied in a 14-lead SOIC package. The AD8532AR-REEL7 is supplied in an 8-lead SOIC package on a 7-inch tape-and-reel. Both are surface-mount devices intended for automated PCB assembly.
Do the AD8534ARZ and AD8532AR-REEL7 share the same input and output characteristics?
Yes. Both parts feature rail-to-rail input and output swing, allowing signals to operate close to the supply rails. Their per-channel input offset voltage, input bias current, and output drive specifications are common to the AD853x family, so the choice between them is driven primarily by channel count and package size.
Which part should be selected for a design requiring four independent amplifier channels?
The AD8534ARZ should be selected, as it provides four independent operational amplifiers in a single 14-lead SOIC package. Using one quad device instead of two dual devices reduces board area and component count while preserving the same per-channel performance.