Part A
AD8512ARMZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3032 Stückzahl
- Package
- MSOP-8
- Series
- Linear-Verstärker.Instrumentation, OP-Verstärker, Pufferverstärker
Replacement verdict
Compatible functional replacement candidate
The AD8510ARMZ and AD8512ARMZ are both precision JFET-input operational amplifiers from the same Analog Devices family, sharing identical supply voltage range, package footprint, and temperature specifications. The primary distinction is channel count: the AD8510ARMZ is a single-channel device while the AD8512ARMZ is a dual-channel device. For applications requiring only one amplifier channel, the AD8510ARMZ is a direct functional substitute; for dual-channel requirements, the AD8512ARMZ remains necessary. Designers should confirm channel count requirements before substitution.
Channel Count
Validation required
Package Type
High match
Supply Voltage Range
High match
Operating Temperature Range
High match
Parts at a glance
Part B
AD8510ARMZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3918 Stückzahl
- Package
- MSOP-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 | AD8510ARMZ | AD8512ARMZ | Why it matters |
|---|---|---|---|
| Number of Amplifiers | 1 | 2 | Determines how many independent signal channels are available in a single package; a dual op-amp can replace two singles in space-constrained designs. |
| Input Offset Voltage (Max) | 0.4 mV | 0.4 mV | Low offset voltage minimizes DC error in precision signal chains; matching values indicate comparable accuracy performance. |
| 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 dynamic performance. |
| Slew Rate | 20 V/µs | 20 V/µs | Governs large-signal transient response and distortion at high frequencies; matching slew rates indicate similar large-signal behavior. |
| Input Voltage Noise Density | 8 nV/√Hz | 8 nV/√Hz | Low noise density is critical for precision and low-level signal amplification; identical values mean equivalent noise contribution. |
| Supply Voltage Range | ±5 V to ±15 V | ±5 V to ±15 V | Defines compatibility with system power rails; identical ranges allow drop-in substitution without supply redesign. |
| Supply Current per Amplifier (Typ) | 2.2 mA | 2.2 mA | Affects power budget and thermal design; equal per-amplifier current means the dual version draws roughly twice the total quiescent current. |
| Package | 8-Lead MSOP | 8-Lead MSOP | Footprint and pinout determine PCB layout compatibility; both share the same 8-lead MSOP package but differ in channel count and pin function. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | Ensures reliable operation across industrial environments; identical ranges confirm equivalent environmental robustness. |
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 | AD8512ARMZ | AD8510ARMZ |
|---|---|---|
| Part Status | Active | Active |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 1 |
| 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 (x2 Channels) | 2.2mA |
| Current - Output / Channel | 70 mA | 70 mA |
| Voltage - Supply Span(Min) | 10 V | 9 V |
| Voltage - Supply Span(Max) | 30 V | 36 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 AD8510ARMZ and AD8512ARMZ?
The AD8510ARMZ is a single-channel precision JFET-input operational amplifier, while the AD8512ARMZ is a dual-channel version of the same amplifier family. Both are offered in an 8-lead MSOP (RM) package, but the AD8512ARMZ integrates two independent amplifiers in one package, whereas the AD8510ARMZ contains one amplifier with standard single-op-amp pinout.
Are the AD8510ARMZ and AD8512ARMZ pin-compatible in the same 8-lead MSOP package?
No. Although both devices use an 8-lead MSOP package, the pinouts differ because the AD8510ARMZ is a single amplifier and the AD8512ARMZ is a dual amplifier. The AD8512ARMZ assigns pins to two separate amplifier channels, so the two parts are not drop-in replacements for each other on the same PCB land pattern.
Do the AD8510ARMZ and AD8512ARMZ share the same electrical performance specifications per amplifier?
Yes. Both devices belong to the same AD8510/AD8512/AD8513 family and share the same core amplifier specifications per channel, including low offset voltage, low input bias current, low noise, and high slew rate. The primary difference is channel count and package pinout, not the per-amplifier signal-chain performance.
What is the supply voltage range for the AD8510ARMZ and AD8512ARMZ?
Both the AD8510ARMZ and AD8512ARMZ operate from dual supplies of ±5 V to ±15 V, corresponding to a total supply voltage of 10 V to 30 V. Designs should confirm the exact limits against the official Analog Devices datasheet for the specific grade and package.
Which applications favor the AD8510ARMZ versus the AD8512ARMZ?
The AD8510ARMZ is typically selected for single-channel signal paths where only one amplifier is needed, minimizing board space and cost. The AD8512ARMZ is preferred for dual-channel designs such as two-stage filters, instrumentation front ends, or stereo signal chains, where two matched amplifiers in one package improve channel-to-channel matching and reduce component count.
Are the AD8510ARMZ and AD8512ARMZ interchangeable in an existing design?
No, they are not directly interchangeable. Because the pinouts and channel counts differ, substituting one for the other requires PCB layout changes and revalidation of the circuit. A direct swap on the same footprint is not possible without confirming pin functions against the respective datasheets.
What package type do the AD8510ARMZ and AD8512ARMZ use?
Both devices are supplied in the 8-lead MSOP package, indicated by the "RM" suffix in the part number. The "Z" suffix denotes RoHS-compliant lead-free construction per Analog Devices ordering conventions.