Part A
AD706ARZ-REEL7
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4831 PCS
- Package
- SOP-8
- Series
- Linear - Amplificadores - Instrumentação, OP Amps, Buffer Amps
Replacement verdict
Compatible functional replacement candidate
The AD706ARZ-REEL7 and AD706AR are functionally equivalent dual operational amplifiers sharing the same core die, package, and electrical specifications; the only meaningful distinction is the delivery format, with the REEL7 variant supplied on tape and reel for automated assembly while the AD706AR is provided in tube form. Designers can treat them as interchangeable in circuit design, with the selection driven primarily by manufacturing and inventory handling requirements rather than electrical performance.
Amplifier Type and Channel Count
High match
Package Type and Pinout
High match
Supply Voltage and Power Consumption
High match
Packaging and Delivery Format
Validation required
Parts at a glance
Part B
AD706AR
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4966 PCS
- Series
- Linear - Amplifiers - Instrumentation, Op Amps, Buffer Amps
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD706ARZ-REEL7 | AD706AR | Why it matters |
|---|---|---|---|
| Amplifier Type | General Purpose, Dual | General Purpose, Dual | Confirms both parts are dual op-amps with the same core function, essential for substitutability. |
| Number of Channels | 2 | 2 | Channel count must match for the parts to be drop-in replacements in a circuit. |
| Input Offset Voltage (Max) | 50 µV | 50 µV | Low offset voltage determines DC precision; identical values ensure equivalent accuracy. |
| Input Bias Current (Max) | 1.5 nA | 1.5 nA | Low bias current is critical for high-impedance sensor and precision applications. |
| Gain Bandwidth Product | 800 kHz | 800 kHz | GBW defines the frequency range over which the amplifier provides useful gain. |
| Supply Voltage Range | ±2 V to ±18 V | ±2 V to ±18 V | Matching supply ranges ensure the part works in the same power environment. |
| Package / Case | 8-SOIC | 8-SOIC | Same package footprint allows direct board-level replacement without layout changes. |
| Mounting Type / Packaging | Surface Mount, Tape & Reel | Surface Mount, Tube | Packaging differs (reel vs tube), affecting assembly line handling but not electrical function. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Identical temperature ratings ensure equivalent performance across 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 | AD706ARZ-REEL7 | AD706AR |
|---|---|---|
| Part Status | Active | Obsolete |
| Amplifier Type | General Purpose | Standard (General Purpose) |
| Number of Circuits | 2 | 2 |
| Slew Rate | 0.15V/µs | 0.15V/µs |
| Gain Bandwidth Product | 800 kHz | 800 kHz |
| Current - Input Bias | 50 pA | 50 pA |
| Voltage - Input Offset | 30 µV | 30 µV |
| Supply Current | 750µA | 750µA |
| Current - Output / Channel | 15 mA | 15 mA |
| Voltage - Supply Span (Min) | - | 4 V |
| Voltage - Supply Span (Max) | - | 36 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | - | AD706 |
| -3 dB Bandwidth | 800 kHz | 800 kHz |
| Voltage - Supply Span(Min) | 4 V | - |
| Voltage - Supply Span(Max) | 36 V | - |
Frequently asked questions
What is the difference between AD706ARZ-REEL7 and AD706AR?
Both are dual, low-power, precision bipolar op amps in the same 8-lead SOIC package with identical electrical specifications. The AD706ARZ-REEL7 is supplied in tape-and-reel packaging (7-inch reel, 750 units per reel) for automated assembly, while the AD706AR is supplied in tube packaging. The "Z" suffix in AD706ARZ-REEL7 denotes RoHS-compliant lead-free construction, whereas the AD706AR is the non-RoHS tube-packaged version.
Are AD706ARZ-REEL7 and AD706AR electrically interchangeable?
Yes. Both parts share the same die, pinout, and specified electrical performance (low offset voltage, low drift, low bias current, and low noise) per the Analog Devices AD706 datasheet. The only differences are packaging format and RoHS compliance, so they are functionally interchangeable in circuit design.
What package do AD706ARZ-REEL7 and AD706AR use?
Both devices are offered in an 8-lead SOIC (Small Outline Integrated Circuit) package. The AD706ARZ-REEL7 is the tape-and-reel variant of this same SOIC package, and the AD706AR is the tube variant. Pin assignments and PCB land patterns are identical.
Is AD706ARZ-REEL7 RoHS compliant while AD706AR is not?
Yes. The "Z" designator in AD706ARZ-REEL7 indicates RoHS-compliant, lead-free construction per Analog Devices ordering nomenclature. The AD706AR (without the Z suffix) is the non-RoHS version. Designs requiring RoHS compliance should specify the AD706ARZ-REEL7.
Which part should be selected for high-volume automated PCB assembly?
AD706ARZ-REEL7 is the appropriate choice for high-volume automated assembly because it is supplied on a 7-inch tape-and-reel (750 units per reel) compatible with standard pick-and-place equipment. AD706AR in tubes is better suited to low-volume or manual assembly.
Do AD706ARZ-REEL7 and AD706AR have the same electrical specifications?
Yes. Per the Analog Devices AD706 datasheet, both ordering variants share identical electrical characteristics, including low input offset voltage, low offset drift, low input bias current, and low noise, since they are the same device in different packaging formats.
What are the key applications of the AD706 dual op amp?
The AD706 is a dual, low-power, precision bipolar operational amplifier suited to precision instrumentation, active filters, transducer signal conditioning, and low-frequency signal processing where low offset, low drift, and low bias current are required. Both AD706ARZ-REEL7 and AD706AR support these applications identically.