Part A
AD8014ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 1208 PCS
- Package
- SOIC-8
- Series
- Linear - Amplifiers - Instrumentation, OP Amps, Buffer Amps
Replacement verdict
Compatible functional replacement candidate
The AD8014ARZ and AD8010AR are both high-speed current-feedback operational amplifiers from Analog Devices in the same 8-lead SOIC package, sharing a comparable supply voltage range and similar bandwidth class. However, they differ in key performance parameters such as output drive current, quiescent supply current, and specified dynamic performance, so the AD8014ARZ can serve as a functional candidate only after the design's load-driving and power-budget requirements are validated against the AD8010AR specifications.
Amplifier Type
Validation required
Package Type
High match
Output Drive Current
Validation required
Supply 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 | AD8014ARZ | AD8010AR | Why it matters |
|---|---|---|---|
| Amplifier Type | Current Feedback | Current Feedback | Both are current-feedback op amps, so the basic topology and feedback behavior are compatible for substitution. |
| -3 dB Bandwidth | 400 MHz | 200 MHz | Bandwidth determines the maximum signal frequency the amplifier can handle with acceptable gain; the AD8014 offers roughly double the bandwidth. |
| Slew Rate | 4000 V/µs | 800 V/µs | Slew rate limits how fast the output can change; higher slew rate supports faster large-signal transitions and lower distortion at high frequencies. |
| Output Current (Typical) | 50 mA | 200 mA | Output drive capability determines the load the amplifier can drive; the AD8010 can source/sink significantly more current for low-impedance loads. |
| Supply Voltage Range | ±2.5 V to ±6 V (5 V to 12 V) | ±5 V to ±15 V (10 V to 30 V) | The supply range must match the system rails; the AD8010 supports higher supply voltages while the AD8014 operates at lower rails. |
| Input Voltage Noise | 2.5 nV/√Hz | 2.5 nV/√Hz | Input noise affects the signal-to-noise ratio in low-level signal applications; both parts offer comparable low noise performance. |
| Quiescent Supply Current | 1.3 mA | 15 mA | Quiescent current impacts power consumption; the AD8014 is far more power-efficient, which matters for portable or thermally constrained designs. |
| Package | 8-Lead SOIC | 8-Lead SOIC | Matching package and pinout allows drop-in replacement on an existing PCB without layout changes. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | The temperature range must cover the application environment; both parts are rated for the same industrial range. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8014ARZ | AD8010AR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | Current Feedback | Current Feedback |
| Number of Circuits | 1 | 1 |
| Slew Rate | 4600V/µs | 800V/µs |
| -3 dB Bandwidth | 480 MHz | 230 MHz |
| Current - Input Bias | 5 µA | 10 µA |
| Voltage - Input Offset | 2 mV | 5 mV |
| Supply Current | 1.15mA | 15.5mA |
| Current - Output / Channel | 50 mA | 200 mA |
| Voltage - Supply Span(Min) | 4.5 V | 9 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 are the primary differences between the AD8014ARZ and the AD8010AR?
The AD8014ARZ is a single, low-power, high-speed current-feedback operational amplifier specified for a 3 dB bandwidth of 400 MHz and a slew rate of 4000 V/µs, supplied in an 8-lead SOIC package. The AD8010AR is a triple, high-current line driver optimized for xDSL and video applications, offering a 3 dB bandwidth of 200 MHz and a high output drive capability of 200 mA per amplifier, supplied in an 8-lead SOIC package. The AD8014ARZ is a single-channel general-purpose high-speed amplifier, while the AD8010AR is a triple-channel line driver.
Are the AD8014ARZ and AD8010AR pin-compatible?
No. Although both devices are offered in 8-lead SOIC packages, their pinouts differ. The AD8014ARZ is a single amplifier with a standard single op-amp pinout (including offset null and disable pins), whereas the AD8010AR is a triple amplifier that uses the 8-lead SOIC package to route three amplifier channels plus power and ground. The pin functions and PCB land patterns are not interchangeable, so the two parts cannot be substituted directly without a board redesign.
Can the AD8014ARZ be used as a drop-in replacement for the AD8010AR?
No. The AD8014ARZ is a single current-feedback amplifier, while the AD8010AR is a triple voltage-feedback line driver. They differ in channel count, feedback architecture, pinout, supply current, and output drive capability. A direct drop-in replacement is not possible; any substitution requires verification against the manufacturer datasheets and validation in the target design.
What are the typical supply voltage and supply current specifications for each device?
The AD8014ARZ operates from a single supply of 5 V to 12 V or dual supplies of ±2.5 V to ±6 V, with a typical supply current of 1.3 mA per amplifier. The AD8010AR operates from dual supplies of ±5 V to ±15 V (or a single supply of 10 V to 30 V), with a typical supply current of 15 mA per amplifier. The AD8010AR therefore draws substantially more supply current to support its higher output drive capability.
Which device is better suited for xDSL line driving applications?
The AD8010AR is specifically designed as a high-current line driver for xDSL and video applications, providing 200 mA output current per amplifier and a 200 MHz bandwidth, which are suitable for driving low-impedance twisted-pair lines. The AD8014ARZ, with its 1.3 mA supply current and lower output drive, is intended for general-purpose high-speed signal conditioning rather than line driving. For xDSL line driver designs, the AD8010AR is the appropriate choice based on its published specifications.
What are the bandwidth and slew rate specifications for the AD8014ARZ and AD8010AR?
The AD8014ARZ has a 3 dB bandwidth of 400 MHz and a slew rate of 4000 V/µs. The AD8010AR has a 3 dB bandwidth of 200 MHz and a slew rate of 800 V/µs. The AD8014ARZ offers higher bandwidth and slew rate per amplifier, while the AD8010AR trades some speed for higher output current drive.
What package options are available for the AD8014ARZ and AD8010AR?
Both the AD8014ARZ and the AD8010AR are offered in an 8-lead SOIC package (the "R" suffix in the part number denotes the SOIC package, and the "Z" suffix on the AD8014ARZ denotes RoHS-compliant lead finish). The AD8014ARZ is a single amplifier in an 8-lead SOIC, and the AD8010AR is a triple amplifier in an 8-lead SOIC. Package dimensions are similar, but pinouts and internal channel configurations differ.
Which device should be selected for low-power, single-channel high-speed signal conditioning?
The AD8014ARZ is the appropriate selection for low-power, single-channel high-speed signal conditioning. Its 1.3 mA typical supply current and 400 MHz bandwidth make it suitable for portable and power-sensitive applications requiring one high-speed amplifier. The AD8010AR, with its 15 mA per amplifier supply current and triple-channel configuration, is intended for multi-channel line driver applications where higher output current is required.