Part A
AD8534ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 1914 件
- Package
- SOIC-14
- 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 AD8534ARZ and AD8532AR-REEL share the same amplifier core, supply range, and SOIC package family, making the AD8534ARZ a viable functional substitute for the AD8532AR-REEL in most designs. The primary distinction is channel count: the AD8534ARZ integrates four amplifiers versus two in the AD8532AR-REEL, so the replacement is appropriate where the additional channels can be left unused or repurposed, and where board space and pinout accommodate the quad device. Verify thermal and layout implications before committing to production.
Channel Count
High match
Package Type
High match
Supply Voltage Range
High match
Pinout Compatibility
Validation required
Parts at a glance
Part B
AD8532AR-REEL
ADI公司
- Lifecycle
- Active
- Stock
- 9796 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 | AD8534ARZ | AD8532AR-REEL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 4 (Quad) | 2 (Dual) | Determines how many independent op-amp channels are available in a single package; 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 | Defines the operating supply window; matching ranges ensure the part works in the same single-supply or battery-powered system. |
| Gain Bandwidth Product | 3 MHz | 3 MHz | Sets the achievable closed-loop bandwidth; identical GBW means similar AC performance and signal fidelity in the application. |
| Input Offset Voltage (max) | 25 mV | 25 mV | Affects DC accuracy; matching offset specs means comparable error budget for precision-sensitive circuits. |
| Input Bias Current | 1 pA (typ) | 1 pA (typ) | Low bias current is critical for high-impedance sensor interfaces; identical values preserve input loading behavior. |
| Output Current per Channel | 250 mA | 250 mA | Determines drive capability for loads such as headphones or LEDs; matching output current ensures equivalent load-driving performance. |
| Slew Rate | 5 V/µs | 5 V/µs | Governs large-signal transient response; identical slew rate means similar behavior for fast-changing signals. |
| Package / Pin Count | 14-Lead SOIC | 8-Lead SOIC | Footprint and pinout must match for a drop-in replacement; different package sizes require PCB redesign. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Ensures the part meets environmental requirements of the target application; matching ranges confirm 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-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc.,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 key differences between the AD8534ARZ and AD8532AR-REEL?
The AD8534ARZ is a quad-channel operational amplifier in a 14-lead SOIC package, while the AD8532AR-REEL is a dual-channel operational amplifier in an 8-lead SOIC package supplied on tape and reel. Both share the same AD853x family core specifications, including rail-to-rail input and output, but differ in channel count, package pin count, and packaging format.
Do the AD8534ARZ and AD8532AR-REEL have the same supply voltage range?
Yes. Both devices operate from a single supply of 2.7 V to 6 V or a dual supply of ±1.35 V to ±3 V, as specified in the Analog Devices AD8531/AD8532/AD8534 datasheet.
Are the AD8534ARZ and AD8532AR-REEL electrically identical per amplifier channel?
Yes. Both are members of the same AD853x amplifier family and share the same per-channel specifications, including 3 MHz gain bandwidth product, 5 V/µs slew rate, and rail-to-rail input and output operation, per the Analog Devices datasheet.
Can the AD8532AR-REEL be used as a drop-in replacement for the AD8534ARZ?
No. The AD8534ARZ is a quad amplifier in a 14-lead SOIC package, while the AD8532AR-REEL 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 is the difference in packaging between the AD8534ARZ and AD8532AR-REEL?
The AD8534ARZ is supplied in a 14-lead SOIC package in tube or standard tray format, while the AD8532AR-REEL is supplied in an 8-lead SOIC package on tape and reel, making it suitable for automated high-volume assembly lines.
Do both parts share the same operating temperature range?
Yes. Both the AD8534ARZ and AD8532AR-REEL are specified for the industrial temperature range of −40 °C to +85 °C, as stated in the Analog Devices AD8531/AD8532/AD8534 datasheet.
Which part should be selected for a design requiring four amplifier channels?
The AD8534ARZ should be selected, as it integrates four operational amplifiers in a single 14-lead SOIC package. The AD8532AR-REEL provides only two channels and would require two devices to achieve four channels.
Are both devices RoHS compliant?
Yes. The AD8534ARZ and AD8532AR-REEL are both offered in RoHS-compliant package options, as indicated by the "Z" suffix in the AD8534ARZ part number and the Analog Devices product documentation for the AD853x family.