Part A
AD8510ARZ
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 1804 個数
- Package
- SOIC-8
- Series
- リニアアンプ - 計装用、オペアンプ、バッファアンプ
Replacement verdict
Compatible functional replacement candidate
The AD8510ARZ and AD8512AR-REEL share the same core amplifier architecture, supply range, and package family, making them viable functional substitutes in many designs. However, the AD8512AR-REEL integrates two channels versus the single channel of the AD8510ARZ, so the replacement is only appropriate where the additional channel is acceptable or can be left unused. Verify pinout, channel utilization, and thermal considerations before substituting in production.
Channel Count
Not compatible
Package Type
High match
Supply Voltage Range
High match
Input Offset Voltage
Validation required
Parts at a glance
Part B
AD8512AR-REEL
テキサス・インスツルメンツ
- Lifecycle
- Active
- Stock
- 6141 個数
- Package
- SOIC-8
- Series
- リニアアンプ - 計装用、オペアンプ、バッファアンプ
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8510ARZ | AD8512AR-REEL | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 1 | 2 | Determines how many independent op-amp channels are available in a single package, directly affecting circuit density and channel count. |
| Input Offset Voltage (max) | 0.8 mV | 0.8 mV | Low offset voltage improves DC precision; matching values indicate comparable accuracy in precision signal chains. |
| Input Bias Current (typ) | 25 pA | 25 pA | Very low bias current suits high-impedance sensor and photodiode interfaces; identical values mean equivalent input loading behavior. |
| Gain Bandwidth Product | 8 MHz | 8 MHz | Sets the achievable closed-loop bandwidth and small-signal speed; equal GBW means comparable AC performance. |
| Slew Rate | 20 V/µs | 20 V/µs | Governs large-signal transient response and distortion at high frequencies; identical slew rate supports equivalent dynamic behavior. |
| Supply Voltage Range | ±4.5 V to ±18 V | ±4.5 V to ±18 V | Defines compatibility with system power rails; matching ranges allow drop-in use in the same supply architecture. |
| Input Voltage Noise Density | 8 nV/√Hz | 8 nV/√Hz | Determines noise floor in low-level signal amplification; equal noise density means comparable SNR performance. |
| Package / Mounting | 8-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount, tape and reel) | Package and packaging format affect PCB footprint and assembly handling; both share SOIC footprint but differ in delivery format. |
| Quiescent Supply Current (per amplifier, typ) | 2.2 mA | 2.2 mA | Affects power budget; per-amplifier current is equal, but total package current doubles for the dual device. |
Need help validating a replacement?
Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8510ARZ | AD8512AR-REEL |
|---|---|---|
| Supplier | - | Analog Devices Inc. |
| Part Status | Active | Obsolete |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 1 | 2 |
| Slew Rate | 20V/µs | 20V/µs |
| Gain Bandwidth Product | 8 MHz | 8 MHz |
| Current - Input Bias | 25 pA | 25 pA |
| Voltage - Input Offset | 100 µV | 100 µV |
| Supply Current | 2.2mA | 2.2mA (x2 Channels) |
| Current - Output / Channel | 70 mA | 70 mA |
| Voltage - Supply Span(Min) | 9 V | 10 V |
| Voltage - Supply Span(Max) | 36 V | 30 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the key differences between the AD8510ARZ and AD8512AR-REEL?
The AD8510ARZ is a single-channel precision JFET-input operational amplifier supplied in an 8-lead SOIC package, typically in tube form. The AD8512AR-REEL is a dual-channel version of the same amplifier family, supplied in an 8-lead SOIC package on tape-and-reel for automated assembly. The primary differences are channel count (1 vs 2) and packaging format (tube vs reel).
Are the AD8510ARZ and AD8512AR-REEL pin-compatible?
No. The AD8510ARZ is a single op amp with a standard single-op-amp pinout on an 8-lead SOIC, while the AD8512AR-REEL is a dual op amp with a dual-op-amp pinout on the same 8-lead SOIC footprint. The pin functions differ, so they are not drop-in replacements for each other.
Do both parts share the same JFET-input precision amplifier characteristics?
Yes. Both the AD8510 and AD8512 belong to the same Analog Devices precision JFET-input amplifier family, sharing low offset voltage, low input bias current, low noise, and high open-loop gain characteristics. Designers should confirm exact electrical limits against the respective datasheets for the specific grade.
Why is the AD8512AR-REEL supplied in tape-and-reel format?
The AD8512AR-REEL is packaged on tape-and-reel to support high-volume automated pick-and-place assembly lines. The AD8510ARZ is typically supplied in tubes, which are more suited to lower-volume or manual assembly. The reel format does not change the electrical performance of the device.
Can the AD8512AR-REEL be used to replace two AD8510ARZ devices in a design?
Functionally, a dual AD8512 can replace two single AD8510 amplifiers if the PCB is redesigned for the dual pinout and the channel-to-channel specifications of the AD8512 meet the design requirements. A direct drop-in substitution is not possible because the pinouts differ.
What package type do both parts use?
Both the AD8510ARZ and AD8512AR-REEL are offered in an 8-lead SOIC package (the "R" suffix in the ordering code denotes SOIC). The package outline is the same, but the internal pin assignments differ between the single and dual configurations.
Which part should be selected for a multi-channel signal conditioning design?
For multi-channel designs requiring two matched precision JFET-input amplifiers in a single package, the AD8512AR-REEL is the appropriate choice, as it integrates two channels and reduces board space. The AD8510ARZ is intended for single-channel applications. Final selection should be validated against the datasheet specifications for the target design.