Part A
AD8009ARZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 2368 PCS
- Package
- SOIC-8
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Replacement verdict
Compatible functional replacement candidate
The AD8009ARZ and AD8001AR 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 dynamic specifications such as slew rate, gain-bandwidth product, and output drive capability, so the AD8009ARZ can serve as a functional substitute for the AD8001AR only after the circuit's transient response, settling, and load-driving requirements are validated against the actual datasheet limits.
Amplifier Architecture
High match
Package Type
High match
Slew Rate
Validation required
Supply Voltage Range
Validation required
Parts at a glance
Part B
AD8001AR
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 3816 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 | AD8009ARZ | AD8001AR | Why it matters |
|---|---|---|---|
| -3 dB Bandwidth | 1 GHz (G = +2) | 800 MHz (G = +2) | Bandwidth determines the maximum signal frequency the amplifier can handle with acceptable gain, affecting high-speed signal fidelity. |
| Slew Rate | 5500 V/µs | 1200 V/µs | Slew rate limits how fast the output can change; higher slew rate supports larger, faster signals without distortion. |
| Supply Voltage Range | ±5 V to ±6 V (dual) | ±3 V to ±6 V (dual) | The supply range determines compatibility with the system power rails and available output swing. |
| Input Offset Voltage (max) | 10 mV | 5 mV | Offset voltage introduces DC error at the output; lower offset improves precision in DC-coupled applications. |
| Quiescent Supply Current | 16 mA (typ) | 5.5 mA (typ) | Quiescent current affects power consumption and thermal budget, critical in power-sensitive designs. |
| Output Current | 175 mA (typ) | 70 mA (typ) | Output drive capability determines the ability to drive low-impedance loads such as cables or ADCs. |
| Input Voltage Noise Density | 1.1 nV/√Hz | 2 nV/√Hz | Lower input noise improves signal-to-noise ratio in low-level signal amplification. |
| Package | 8-Lead SOIC | 8-Lead SOIC | Package compatibility affects PCB footprint and assembly; identical packages allow drop-in replacement. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8009ARZ | AD8001AR |
|---|---|---|
| Part Status | Active | Obsolete |
| Amplifier Type | Current Feedback | Current Feedback |
| Number of Circuits | 1 | 1 |
| Slew Rate | 5500V/µs | 1200V/µs |
| Current - Input Bias | 50 µA | 5 µA |
| Voltage - Input Offset | 2 mV | 2 mV |
| Supply Current | 16mA | 5mA |
| Current - Output / Channel | 175 mA | 70 mA |
| Voltage - Supply Span (Min) | - | 6 V |
| Voltage - Supply Span (Max) | - | 12 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | - | AD8001 |
| -3 dB Bandwidth | 1 GHz | 715 MHz |
| Voltage - Supply Span(Min) | 5 V | - |
| Voltage - Supply Span(Max) | 12 V | - |
Frequently asked questions
What are the primary differences between the AD8009ARZ and the AD8001AR?
The AD8009ARZ is a current-feedback operational amplifier specified for a 3 dB bandwidth of 1 GHz and a slew rate of 5500 V/µs, while the AD8001AR is a current-feedback amplifier specified for a 3 dB bandwidth of 800 MHz and a slew rate of 1200 V/µs. Both are offered in 8-lead SOIC packages, but the AD8009ARZ provides higher bandwidth and slew rate for high-speed signal processing applications.
Are the AD8009ARZ and AD8001AR pin-compatible?
Yes. Both devices are current-feedback operational amplifiers supplied in an 8-lead SOIC package with the same pinout, so they are pin-compatible at the package level. However, circuit performance must be revalidated because the two parts have different bandwidth, slew rate, and supply current specifications.
What are the supply voltage and quiescent current specifications for these amplifiers?
The AD8009ARZ operates from a dual supply of ±5 V and typically draws about 16 mA of quiescent current. The AD8001AR operates from a dual supply of ±5 V and typically draws about 5.5 mA of quiescent current. The AD8001AR therefore offers lower power consumption, while the AD8009ARZ provides higher speed.
Which device is better suited for high-slew-rate pulse applications?
The AD8009ARZ is better suited for high-slew-rate pulse applications because its specified slew rate of 5500 V/µs is substantially higher than the 1200 V/µs slew rate of the AD8001AR. This makes the AD8009ARZ preferable for fast pulse and transient signal processing where rapid output transitions are required.
Can the AD8001AR be used as a drop-in replacement for the AD8009ARZ?
Although the two parts are pin-compatible in the 8-lead SOIC package, the AD8001AR should not be treated as a direct drop-in replacement without validation. Its lower bandwidth (800 MHz vs. 1 GHz) and lower slew rate (1200 V/µs vs. 5500 V/µs) may degrade performance in circuits designed around the AD8009ARZ, so the design must be re-evaluated against the AD8001AR datasheet.
What are the typical applications for the AD8009ARZ and AD8001AR?
Both are current-feedback amplifiers intended for high-speed signal processing. The AD8009ARZ, with its 1 GHz bandwidth and 5500 V/µs slew rate, is suited to high-speed pulse amplification, video and RGB processing, and fast transient applications. The AD8001AR, with its 800 MHz bandwidth and lower 5.5 mA supply current, is suited to lower-power high-speed amplification, video distribution, and portable instrumentation.
Do both devices support the same operating temperature range?
Both the AD8009ARZ and the AD8001AR are specified for the industrial temperature range of −40 °C to +85 °C, so they share the same rated operating temperature range for industrial applications.