Part A
AD8092ARZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 1785 PCS
- Package
- SOIC-8
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Replacement verdict
Compatible functional replacement candidate
The AD8099ARD is a viable functional replacement candidate for the AD8092ARZ in high-speed signal-chain applications, provided the board layout is reviewed for the differing package footprint and the tighter supply-voltage headroom is validated. Both devices share a dual/single high-speed voltage-feedback architecture and similar bandwidth class, but the AD8099ARD offers substantially higher slew rate and lower distortion at the cost of reduced supply range and a different SOIC-8 pinout. Designers should confirm gain configuration, decoupling, and thermal layout before committing to the substitution.
Amplifier Type
Validation required
Package Type
Validation required
Supply Voltage Range
Validation required
Bandwidth Class
High match
Parts at a glance
Part B
AD8099ARD
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 3378 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 | AD8092ARZ | AD8099ARD | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 2 | 1 | Channel count determines how many independent signal paths can be processed; a dual op-amp cannot directly replace a single in multi-channel layouts without redesign. |
| Gain Bandwidth Product | 110 MHz | 700 MHz | GBW sets the maximum usable frequency for a given closed-loop gain; the much higher GBW of the AD8099 enables wider-bandwidth signal processing. |
| Slew Rate | 170 V/µs | 1350 V/µs | Slew rate limits how fast the output can respond to large signal steps; higher slew rate supports faster large-signal and pulse applications. |
| Input Voltage Noise Density | 16 nV/√Hz | 0.95 nV/√Hz | Lower input noise improves signal-to-noise ratio in low-level signal amplification; the AD8099 is far better suited to precision low-noise front ends. |
| Supply Voltage Range | 3 V to 12 V | 5 V to 12 V | The minimum supply voltage affects compatibility with low-voltage rails; the AD8092 can operate at 3 V while the AD8099 requires at least 5 V. |
| Input Offset Voltage (max) | 5 mV | 0.5 mV | Offset voltage causes DC error at the output; a lower offset reduces the need for trimming in precision DC-coupled designs. |
| Package / Mounting | 8-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount) | Package and pinout determine board footprint and layout compatibility; both share SOIC-8 but differ in channel configuration and pin function. |
| Quiescent Supply Current per Amplifier | 4.8 mA | 15 mA | Quiescent current drives power budget and thermal load; the AD8099 consumes substantially more current for its higher performance. |
| Output Current (short-circuit) | 30 mA | 100 mA | Output drive capability affects ability to drive low-impedance loads or cables; higher output current supports heavier loads. |
Need help validating a replacement?
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8092ARZ | AD8099ARD |
|---|---|---|
| Part Status | Active | Obsolete |
| Amplifier Type | Voltage Feedback | Voltage Feedback |
| Number of Circuits | 2 | 1 |
| Slew Rate | 170V/µs | 1350V/µs |
| Current - Input Bias | 1.4 µA | 6 µA |
| Voltage - Input Offset | 1.8 mV | 100 µV |
| Supply Current | 4.8mA (x2 Channels) | 15mA |
| Current - Output / Channel | 45 mA | 178 mA |
| Voltage - Supply Span (Min) | - | 5 V |
| Voltage - Supply Span (Max) | - | 12 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Base Product Number | - | AD8099 |
| -3 dB Bandwidth | 110 MHz | 510 MHz |
| Output Type | Rail-to-Rail | - |
| Voltage - Supply Span(Min) | 3 V | - |
| Voltage - Supply Span(Max) | 12 V | - |
Frequently asked questions
Are the AD8092ARZ and AD8099ARD interchangeable in an existing design?
No. The AD8092ARZ is a dual, low-cost, voltage-feedback operational amplifier in an 8-lead SOIC package, while the AD8099ARD is a single, ultralow-distortion, high-speed voltage-feedback op amp in an 8-lead SOIC with an exposed pad (SOIC-8-EP). They differ in channel count, package footprint, pinout, and performance class, so they are not drop-in replacements.
How do the channel counts and package types of the AD8092ARZ and AD8099ARD differ?
The AD8092ARZ integrates two operational amplifiers in a standard 8-lead SOIC (R-8) package. The AD8099ARD is a single operational amplifier in an 8-lead SOIC with exposed pad (RD-8) package, which requires a thermal pad land pattern on the PCB. The different pinouts and pad requirements prevent direct substitution.
Which device offers higher speed and lower distortion for demanding signal-chain applications?
The AD8099ARD is specified for much higher bandwidth and lower harmonic distortion than the AD8092ARZ. The AD8099 is a high-speed, ultralow-distortion amplifier intended for precision ADC driving and wideband signal processing, whereas the AD8092 is a general-purpose dual amplifier optimized for cost-sensitive, lower-bandwidth applications.
Do the AD8092ARZ and AD8099ARD have the same supply voltage range?
No. The AD8092ARZ operates from a single supply of 3 V to 12 V or a dual supply of ±1.5 V to ±6 V. The AD8099ARD is specified for a wider supply range, typically ±5 V to ±12 V dual supplies (or 10 V to 24 V single supply). Designs must verify the supply rails against each device's datasheet before substitution.
Can the AD8099ARD be used to replace one channel of the AD8092ARZ in a dual-amplifier circuit?
Only with a full redesign. The AD8099ARD is a single amplifier in an 8-lead SOIC-EP package with a different pinout and thermal pad requirement, so it cannot directly replace one half of the AD8092ARZ dual amplifier. The PCB layout, decoupling, and thermal management must be revalidated against the AD8099 datasheet.
Which part is more suitable for low-power, cost-sensitive dual-channel designs?
The AD8092ARZ is the appropriate choice for cost-sensitive, dual-channel designs requiring a general-purpose voltage-feedback amplifier in a standard 8-lead SOIC package. The AD8099ARD is a higher-performance single amplifier aimed at applications where ultralow distortion and high speed justify its higher cost and exposed-pad package.
What PCB layout considerations differ between the AD8092ARZ and AD8099ARD?
The AD8092ARZ uses a standard 8-lead SOIC land pattern without a thermal pad. The AD8099ARD requires an 8-lead SOIC land pattern with an exposed thermal pad that must be soldered to a copper area for heat dissipation, as specified in its datasheet. This difference alone prevents a shared PCB footprint between the two parts.