Part A
AD8062ARZ
Công ty Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 2406 PCS
- Package
- SOIC-8
- Series
- Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Replacement verdict
Compatible functional replacement candidate
The AD8062ARZ and AD8061AR are both single-channel, high-speed voltage-feedback operational amplifiers from Analog Devices in the same 8-lead SOIC package, sharing a common pinout and similar supply and temperature ranges. The AD8062ARZ is a higher-performance variant with greater bandwidth and output current capability, making it a viable functional upgrade candidate for the AD8061AR in most designs, provided the increased quiescent current and dynamic performance are acceptable to the application.
Amplifier Channel Count
High match
Package Type
High match
Supply Voltage Range
High match
Bandwidth and Output Current
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8062ARZ | AD8061AR | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 2 (Dual) | 1 (Single) | Channel count determines whether the part can serve multi-channel signal paths; a dual cannot directly replace a single without layout changes. |
| Package / Mounting | 8-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount) | Package footprint and pinout must match for a drop-in substitution on an existing PCB. |
| -3 dB Bandwidth | 320 MHz (G = +1) | 320 MHz (G = +1) | Bandwidth sets the maximum signal frequency the amplifier can pass with acceptable gain, critical for high-speed signal chains. |
| Slew Rate | 650 V/µs | 650 V/µs | Slew rate limits large-signal transient response and distortion at high frequencies. |
| Supply Voltage Range | 2.7 V to 12 V (single supply) | 2.7 V to 12 V (single supply) | The usable supply window must cover the system rail voltages for the part to operate correctly. |
| Input Offset Voltage (max) | 6 mV | 6 mV | Offset voltage directly affects DC accuracy and error budget in precision signal conditioning. |
| Quiescent Supply Current per Amplifier | 6.8 mA (typ, per amp) | 6.8 mA (typ) | Quiescent current impacts power budget and thermal design, especially in portable or dense systems. |
| Output Current | 50 mA (typ) | 50 mA (typ) | Output drive capability determines the load the amplifier can drive without clipping or distortion. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Temperature range must cover the application environment for reliable operation and spec compliance. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8062ARZ | AD8061AR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 2 | 1 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 650V/µs | 650V/µs |
| -3 dB Bandwidth | 320 MHz | 320 MHz |
| Current - Input Bias | 3.5 µA | 3.5 µA |
| Voltage - Input Offset | 1 mV | 1 mV |
| Supply Current | 6.8mA (x2 Channels) | 6.8mA |
| Current - Output / Channel | 50 mA | 50 mA |
| Voltage - Supply Span(Min) | 2.7 V | 2.7 V |
| Voltage - Supply Span(Max) | 8 V | 8 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 AD8062ARZ and the AD8061AR?
The AD8062ARZ is a dual, low-cost, high-speed voltage feedback amplifier in an 8-lead SOIC package, while the AD8061AR is a single amplifier of the same family in an 8-lead SOIC package. The AD8062ARZ integrates two independent amplifiers in one package, whereas the AD8061AR contains one amplifier; both share similar 300 MHz bandwidth and 650 V/µs slew rate characteristics per the Analog Devices datasheets.
Are the AD8062ARZ and AD8061AR pin-compatible?
No. The AD8062ARZ is a dual amplifier with both amplifiers' inputs and outputs assigned across the 8 SOIC pins, while the AD8061AR is a single amplifier that uses the same 8-lead SOIC footprint with different pin functions, including dedicated disable and feedback pins. They are not drop-in replacements for each other.
Can the AD8061AR be used to replace one channel of the AD8062ARZ?
Functionally, one AD8061AR provides a single amplifier comparable to one channel of the AD8062ARZ, but the pinouts and package pin assignments differ. A direct board-level substitution is not possible without layout changes; refer to the respective Analog Devices datasheets for pin configuration details.
What are the typical supply voltage and quiescent current specifications for these amplifiers?
Both the AD8062ARZ and AD8061AR operate from a single supply of 2.7 V to 12 V or dual supplies of ±1.35 V to ±6 V. Per Analog Devices datasheets, the AD8062ARZ (dual) draws approximately 6.8 mA total quiescent current, while the AD8061AR (single) draws approximately 3.4 mA, reflecting the difference in channel count.
Do the AD8062ARZ and AD8061AR have the same bandwidth and slew rate?
Yes. Both devices are specified with a -3 dB bandwidth of approximately 300 MHz (G = +1) and a slew rate of approximately 650 V/µs per the Analog Devices datasheets, since they belong to the same amplifier family and differ primarily in channel count and package pinout.
Which applications typically favor the AD8062ARZ versus the AD8061AR?
The AD8062ARZ is suited to applications requiring two matched high-speed amplifiers in a compact footprint, such as differential signal chains, dual-channel video or ADC driving, and I/Q channel processing. The AD8061AR is preferred where only one amplifier channel is needed, reducing board space and power consumption in single-channel signal conditioning, portable instrumentation, and video buffer designs.
Are the AD8062ARZ and AD8061AR available in the same package type?
Both are offered in an 8-lead SOIC package (the "R" suffix in the ordering code denotes SOIC). However, the internal pin assignments differ because one is a dual amplifier and the other is a single amplifier with additional disable/feedback pin functions, so the packages are physically similar but not functionally interchangeable.