Part A
AD8617ARMZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 2547 Stückzahl
- Package
- MSOP-8
- Series
- Linear-Verstärker.Instrumentation, OP-Verstärker, Pufferverstärker
Replacement verdict
Compatible functional replacement candidate
The AD8617ARMZ and AD8617ARMZ-R2 are functionally equivalent operational amplifiers sharing identical die, package, and electrical specifications; the -R2 suffix denotes a tape-and-reel packaging variant rather than a different device. The AD8617ARMZ-R2 is a valid drop-in replacement for the AD8617ARMZ in production reflow assembly, provided reel quantity and packaging format align with the SMT line requirements.
Amplifier Core Specifications
High match
Package and Pinout
High match
Operating Temperature Range
High match
Packaging and Ordering Format
Validation required
Parts at a glance
Part B
AD8617ARMZ-R2
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 9465 Stückzahl
- Package
- TSSOP-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 | AD8617ARMZ | AD8617ARMZ-R2 | Why it matters |
|---|---|---|---|
| Amplifier Type | CMOS, Rail-to-Rail Input/Output | CMOS, Rail-to-Rail Input/Output | Confirms both parts are the same amplifier topology, so AC and DC behavior are equivalent. |
| Number of Channels | 2 | 2 | Channel count must match for pinout and circuit topology compatibility. |
| Supply Voltage Range | 1.8 V to 5.5 V | 1.8 V to 5.5 V | Determines whether the part can operate in the target system's power rail. |
| Gain Bandwidth Product | 1.4 MHz | 1.4 MHz | Sets the achievable closed-loop bandwidth and small-signal speed. |
| Input Offset Voltage (Max) | ±0.5 mV | ±0.5 mV | Low offset is critical for precision DC signal conditioning accuracy. |
| Input Bias Current | 0.5 pA (typ) | 0.5 pA (typ) | Very low bias current suits high-impedance sensor and photodiode interfaces. |
| Quiescent Current per Amplifier | 38 µA (typ) | 38 µA (typ) | Affects power budget in battery-powered and portable designs. |
| Package / Mounting | 8-Lead MSOP, Surface Mount | 8-Lead MSOP, Surface Mount | Package and footprint must match for drop-in board replacement. |
| Packaging / Ordering Format | Tube | Tape & Reel (R2 suffix) | Only the shipping format differs; the -R2 variant is reeled for automated assembly while the base part is tubed. |
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 | AD8617ARMZ | AD8617ARMZ-R2 |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | CMOS | CMOS |
| Number of Circuits | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 0.1V/µs | 0.1V/µs |
| Gain Bandwidth Product | 400 kHz | 400 kHz |
| Current - Input Bias | 0.2 pA | 0.2 pA |
| Voltage - Input Offset | 400 µV | 400 µV |
| Supply Current | 38µA | 38µA |
| Current - Output / Channel | 80 mA | 80 mA |
| Voltage - Supply Span(Min) | 1.8 V | 1.8 V |
| Voltage - Supply Span(Max) | 5 V | 5 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 AD8617ARMZ and AD8617ARMZ-R2?
Both parts are the same AD8617 dual precision operational amplifier in an 8-lead MSOP (RM) package. The suffix difference refers to packaging format: AD8617ARMZ is the standard tube/rail packaging order code, while AD8617ARMZ-R2 denotes a tape-and-reel packaging variant (R2 = 250-unit reel). The electrical die and package are identical; only the shipping/packaging quantity and format differ.
Are AD8617ARMZ and AD8617ARMZ-R2 electrically and functionally identical?
Yes. Both order codes refer to the same AD8617 silicon in the same 8-lead MSOP package, so the electrical specifications (supply voltage range, offset voltage, bandwidth, input bias current, etc.) are identical. The only documented difference is the packaging format and reel quantity.
Can AD8617ARMZ and AD8617ARMZ-R2 be used interchangeably in a design?
Yes, from a PCB and electrical standpoint they are interchangeable because the die and package are the same. The choice between them is driven by assembly/procurement needs (tube vs. tape-and-reel), not by any functional difference.
What package do AD8617ARMZ and AD8617ARMZ-R2 use?
Both are supplied in the 8-lead MSOP (Mini Small Outline Package), indicated by the "RM" code in the part number. The package footprint and pinout are identical for both order codes.
Why would a designer choose the -R2 tape-and-reel version over the standard AD8617ARMZ?
The -R2 variant is supplied on tape-and-reel, which is preferred for automated pick-and-place SMT assembly lines. The standard AD8617ARMZ is typically supplied in tubes/rails, which may suit low-volume or manual assembly. Selection depends on the production line's feeding requirements.
Do AD8617ARMZ and AD8617ARMZ-R2 differ in temperature range or qualification?
No. Because both order codes refer to the same AD8617 device in the same package, the specified operating temperature range and qualification status are the same. Any difference is limited to packaging format and reel quantity.
How should I verify current availability and packaging quantity for each order code?
Consult the manufacturer's datasheet/ordering guide and authorized distributors (e.g., DigiKey, Mouser, TTI, Future Electronics) for the current packaging quantity, reel size, and availability of each specific order code, since packaging and lifecycle status can change over time.