Part A
AD8130ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 2372 Stückzahl
- Package
- SOIC-8
- Series
- Linear-Verstärker.Instrumentation, OP-Verstärker, Pufferverstärker
Replacement verdict
Not a drop-in replacement
The AD8130ARZ and AD8131AR are not drop-in replacements for each other. Although both are differential receivers in an 8-lead SOIC package, they differ in signal architecture, gain configuration, and output drive capability, so the AD8131AR cannot be substituted directly for the AD8130ARZ without circuit redesign and validation.
Different amplifier architecture
Different gain configuration
Different output drive
Different supply range
Parts at a glance
Part B
AD8131AR
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3376 Stückzahl
- Package
- SOIC-8
- Series
- Linear-Verstärker.Instrumentation, OP-Verstärker, Pufferverstärker
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8130ARZ | AD8131AR | Why it matters |
|---|---|---|---|
| Amplifier Type | Differential Receiver / Line Receiver | Differential Line Driver | Determines the signal-flow role; a receiver cannot directly replace a driver in a transmit path and vice versa. |
| Number of Channels | 1 | 1 | Both are single-channel devices, so channel count is not a differentiator for substitutability. |
| -3 dB Bandwidth | 270 MHz | 400 MHz | Bandwidth sets the maximum signal frequency the part can pass with acceptable attenuation. |
| Slew Rate | 1090 V/µs | 2000 V/µs | Slew rate limits large-signal high-frequency performance and distortion. |
| Supply Voltage Range | ±4.5 V to ±12.6 V (dual) | ±1.5 V to ±5.5 V (dual) | Different supply windows mean the parts are not drop-in compatible in a given rail configuration. |
| Input Offset Voltage (max) | 1.5 mV | 12 mV | Offset directly affects DC accuracy and error budget in precision signal chains. |
| Output Current (typical) | 40 mA | 60 mA | Drive capability determines the load the part can support, such as cables or ADC inputs. |
| Package / Mounting | 8-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount) | Matching package and footprint allows board-level interchangeability without layout changes. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Identical temperature ratings mean both suit the same environmental conditions. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8130ARZ | AD8131AR |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | Differential | Differential |
| Number of Circuits | 1 | 1 |
| Output Type | - | Differential |
| Slew Rate | 1100V/µs | 2000V/µs |
| -3 dB Bandwidth | 290 MHz | 400 MHz |
| Current - Input Bias | 500 nA | 500 nA |
| Voltage - Input Offset | 400 µV | 1.5 mV |
| Supply Current | 13mA | 11.5mA |
| Current - Output / Channel | 40 mA | 60 mA |
| Voltage - Supply Span(Min) | 4.5 V | 2.8 V |
| Voltage - Supply Span(Max) | 25.2 V | 11 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the primary functional differences between the AD8130ARZ and the AD8131AR?
The AD8130ARZ is a high-speed, low-cost differential receiver with a fixed gain of 1, while the AD8131AR is a high-speed differential driver with a fixed gain of 2. The AD8130ARZ is designed to receive differential signals and convert them to single-ended outputs, whereas the AD8131AR is designed to drive differential signals from a single-ended input.
Are the AD8130ARZ and AD8131AR pin-compatible?
No, the AD8130ARZ and AD8131AR are not pin-compatible. The AD8130ARZ is a receiver with a different pinout configuration than the AD8131AR, which is a driver. They cannot be used as drop-in replacements for each other without circuit redesign.
What are the package types for the AD8130ARZ and AD8131AR?
Both the AD8130ARZ and AD8131AR are available in 8-lead SOIC packages. The AD8130ARZ is specified as an 8-lead SOIC with a -40°C to +85°C operating temperature range, and the AD8131AR is also offered in an 8-lead SOIC package.
What is the bandwidth of the AD8130ARZ compared to the AD8131AR?
The AD8130ARZ has a -3 dB bandwidth of 270 MHz, while the AD8131AR has a -3 dB bandwidth of 400 MHz. The AD8131AR offers higher bandwidth for driving applications, whereas the AD8130ARZ is optimized for receiving applications.
Can the AD8130ARZ and AD8131AR be used together in a signal chain?
Yes, the AD8130ARZ and AD8131AR can be used together in a signal chain. The AD8131AR can drive a differential signal over a twisted pair or backplane, and the AD8130ARZ can receive that differential signal at the other end, converting it back to a single-ended output. This is a common configuration for differential signal transmission systems.
What are the supply voltage requirements for the AD8130ARZ and AD8131AR?
Both the AD8130ARZ and AD8131AR operate on dual supplies ranging from ±2.5 V to ±5 V, or a single supply from 5 V to 10 V. The AD8130ARZ is specified for operation on ±5 V supplies, and the AD8131AR is also specified for ±5 V operation.
What is the slew rate of the AD8130ARZ and AD8131AR?
The AD8130ARZ has a slew rate of 1090 V/µs, while the AD8131AR has a slew rate of 2000 V/µs. The AD8131AR provides faster slew rate for high-speed differential driving applications.
Are the AD8130ARZ and AD8131AR suitable for driving ADCs?
The AD8131AR is specifically designed as a differential driver for driving high-resolution ADCs, providing a fixed gain of 2 and high bandwidth. The AD8130ARZ is a differential receiver, not a driver, and is not intended for directly driving ADCs. For ADC driving applications, the AD8131AR is the appropriate choice.