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 AD8512ARMZ-REEL and AD8512ARMZ are functionally identical dual precision JFET operational amplifiers from Analog Devices, differing only in packaging format (tape-and-reel versus tube). Both share the same MSOP-8 footprint, electrical specifications, and temperature range, making them interchangeable for design and production purposes. The REEL variant is suited to automated high-volume assembly, while the tube variant supports prototyping and low-volume runs.
Amplifier Type and Channel Count
High match
Package and Footprint
High match
Electrical Specifications
High match
Packaging Format
High match
Parts at a glance
Part B
AD8512ARMZ-REEL
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 1651 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 | AD8512ARMZ-REEL | AD8512ARMZ | Why it matters |
|---|---|---|---|
| Manufacturer | Analog Devices Inc. | Analog Devices Inc. | Same manufacturer ensures identical silicon design and process, critical for functional substitutability. |
| Amplifier Type | J-FET | J-FET | Amplifier topology determines input bias current, noise, and bandwidth characteristics; must match for drop-in replacement. |
| Number of Circuits | 2 | 2 | Dual-channel configuration must match to preserve PCB layout and pin function. |
| Package / Case | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Footprint and pinout must be identical for physical board compatibility. |
| Mounting Type | Surface Mount | Surface Mount | Assembly method must match the existing PCB manufacturing process. |
| Supply Voltage Range | ±4.5V to ±18V (9V to 36V total) | ±4.5V to ±18V (9V to 36V total) | Operating voltage window must cover the application's supply rails for safe operation. |
| Gain Bandwidth Product | 8 MHz | 8 MHz | GBW determines achievable closed-loop bandwidth and AC performance; must match for equivalent signal response. |
| Slew Rate | 20 V/µs | 20 V/µs | Slew rate limits large-signal transient response; identical value ensures same dynamic behavior. |
| Input Offset Voltage | 100 µV (typ) | 100 µV (typ) | Offset voltage affects DC accuracy; matching values preserve precision performance. |
| Packaging / Reel | Tape & Reel (REEL suffix) | Tube / Cut Tape (no REEL suffix) | Delivery format differs for automated assembly vs. prototyping; the electrical part is identical but handling and ordering quantity differ. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8512ARMZ | AD8512ARMZ-REEL |
|---|---|---|
| Part Status | Active | Active |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 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 (x2 Channels) | 2.2mA (x2 Channels) |
| Current - Output / Channel | 70 mA | 70 mA |
| Voltage - Supply Span(Min) | 10 V | 10 V |
| Voltage - Supply Span(Max) | 30 V | 30 V |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between AD8512ARMZ-REEL and AD8512ARMZ?
Both parts are the same AD8512 dual precision op amp in an 8-lead MSOP (RM) package. The AD8512ARMZ is the standard tube/tray ordering option, while AD8512ARMZ-REEL is the tape-and-reel packaging variant intended for automated assembly. The electrical die and package are identical; only the shipping/packaging format differs.
Are AD8512ARMZ-REEL and AD8512ARMZ electrically identical?
Yes. Both order codes refer to the same AD8512 silicon in the same 8-lead MSOP package, so specified parameters such as supply voltage range, input offset voltage, input bias current, gain bandwidth, and slew rate are identical per the Analog Devices AD8512 datasheet. The suffix difference denotes packaging (reel vs standard) rather than device grade or performance.
Can AD8512ARMZ-REEL be used as a drop-in replacement for AD8512ARMZ?
Yes, from an electrical and footprint standpoint they are interchangeable because both are the AD8512 in the 8-lead MSOP (RM) package with the same pinout. The only practical consideration is the packaging format: the -REEL variant is supplied on tape and reel for pick-and-place assembly, while the non-reel variant is supplied in standard packaging.
What package do AD8512ARMZ-REEL and AD8512ARMZ use?
Both use the 8-lead MSOP package, denoted by the "RM" code in the part number, with the "Z" indicating RoHS-compliant lead finish. The package outline, pin configuration, and PCB land pattern are the same for both order codes.
Are both AD8512ARMZ-REEL and AD8512ARMZ RoHS compliant?
Yes. The "Z" suffix in both part numbers denotes the RoHS-compliant version of the AD8512 in the MSOP package, per Analog Devices ordering information. Both order codes share the same RoHS-compliant package construction.
Which variant should be selected for high-volume automated PCB assembly?
AD8512ARMZ-REEL is the appropriate choice for automated pick-and-place production lines because it is supplied on tape and reel, which is the standard format for SMT assembly equipment. AD8512ARMZ in standard packaging is typically used for prototyping, low-volume, or manual assembly.
Do AD8512ARMZ-REEL and AD8512ARMZ differ in temperature range or specifications?
No. Both order codes refer to the same AD8512 device and therefore share the same specified operating temperature range and electrical specifications as published in the Analog Devices AD8512 datasheet. The -REEL suffix does not denote a different temperature grade or performance bin.