Part A
AD627ARZ
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 4972 PCS
- Package
- SOIC-8
- Series
- Linear - Amplificadores - Instrumentação, OP Amps, Buffer Amps
Replacement verdict
Compatible functional replacement candidate
The AD627ARZ and AD627AR-REEL7 are functionally equivalent implementations of the same AD627 instrumentation amplifier, differing only in packaging format (tube vs. tape-and-reel). Both share identical electrical specifications, package type, and temperature range, making them interchangeable for design purposes; selection should be driven by assembly and inventory handling requirements rather than performance.
Amplifier Function and Electrical Specifications
High match
Package Type and Pinout
High match
Operating Temperature Range
High match
Packaging and Shipping Format
Validation required
Parts at a glance
Part B
AD627AR-REEL7
Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 239 PCS
- Package
- SOIC-8
- Series
- Linear - Amplificadores - Instrumentação, OP Amps, Buffer Amps
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD627ARZ | AD627AR-REEL7 | Why it matters |
|---|---|---|---|
| Amplifier Type | Instrumentation Amplifier | Instrumentation Amplifier | Confirms both parts are the same functional device type, so they are interchangeable in the same circuit role. |
| Number of Channels | 1 | 1 | Single-channel configuration must match for direct substitution in a given signal path. |
| Supply Voltage Range | 2.2 V to 36 V (single), ±1.1 V to ±18 V (dual) | 2.2 V to 36 V (single), ±1.1 V to ±18 V (dual) | Determines compatibility with the system power rails; identical ranges mean the same supply can be used. |
| Input Offset Voltage (max) | 150 µV | 150 µV | Offset directly affects DC accuracy; matching values ensure equivalent precision performance. |
| Gain Range | 1 to 1000 (set by external resistor) | 1 to 1000 (set by external resistor) | Defines the achievable amplification; identical ranges allow the same gain-setting network to be reused. |
| Gain Bandwidth Product | 80 kHz (G = 100) | 80 kHz (G = 100) | Bandwidth limits signal frequency handling; matching values preserve dynamic response. |
| Input Bias Current (max) | 10 nA | 10 nA | Low bias current minimizes errors in high-impedance sensor interfaces; equal values ensure equivalent loading. |
| Operating Temperature Range | -40 °C to +85 °C | -40 °C to +85 °C | Confirms both parts are rated for the same environmental conditions and industrial applications. |
| Package / Mounting | 8-Lead SOIC (tube) | 8-Lead SOIC (tape and reel) | Same package footprint allows drop-in replacement, but packaging format differs for assembly handling. |
| Packaging / Ordering Format | Tube | Tape and Reel (7-inch reel) | Affects manufacturing line compatibility; reel format suits automated pick-and-place, tube suits low-volume or manual assembly. |
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 | AD627ARZ | AD627AR-REEL7 |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | Instrumentation | Instrumentation |
| Number of Circuits | 1 | 1 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 0.06V/µs | 0.06V/µs |
| -3 dB Bandwidth | 80 kHz | 80 kHz |
| Current - Input Bias | 2 nA | 2 nA |
| Voltage - Input Offset | 50 µV | 50 µV |
| Supply Current | 60µA | 60µA |
| Current - Output / Channel | 25 mA | 25 mA |
| Voltage - Supply Span(Min) | 2.2 V | 2.2 V |
| Voltage - Supply Span(Max) | 36 V | 36 V |
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What is the difference between AD627ARZ and AD627AR-REEL7?
Both are the same AD627 instrumentation amplifier die in an 8-lead SOIC package; the difference is packaging and ordering format. AD627ARZ is supplied in tube/tray format, while AD627AR-REEL7 is supplied on a 7-inch tape-and-reel for automated assembly. The "Z" suffix in AD627ARZ denotes RoHS-compliant lead finish, and the AD627AR-REEL7 is also RoHS-compliant.
Are AD627ARZ and AD627AR-REEL7 electrically and functionally identical?
Yes. Both parts share the same AD627 datasheet specifications: micropower instrumentation amplifier with rail-to-rail output, single-supply operation from 2.2 V to 36 V (or dual supplies), gain set by a single external resistor, and the same 8-lead SOIC pinout. They differ only in shipping container and orderable part number.
Can AD627AR-REEL7 be used as a drop-in replacement for AD627ARZ?
Yes, from an electrical and footprint standpoint they are interchangeable because both are the same AD627 in an 8-lead SOIC package. The only practical difference is the delivery format: AD627AR-REEL7 is tape-and-reel for pick-and-place equipment, while AD627ARZ is supplied in tubes. Verify the RoHS status and any customer-specific documentation requirements before substituting.
What package do AD627ARZ and AD627AR-REEL7 use?
Both are offered in the 8-lead SOIC (Small Outline Integrated Circuit) package, consistent with the AD627 datasheet's "R" package designation. The "AR" in both part numbers refers to the SOIC package and industrial temperature grade.
What is the supply voltage range for the AD627ARZ and AD627AR-REEL7?
Per the AD627 datasheet, the device operates on single supplies from 2.2 V to 36 V, or dual supplies of ±1.1 V to ±18 V. Both orderable variants share these same supply specifications.
Why would a designer choose AD627AR-REEL7 over AD627ARZ?
AD627AR-REEL7 is supplied on 7-inch tape-and-reel, which is preferred for high-volume automated SMT assembly lines and pick-and-place equipment. AD627ARZ in tubes is typically used for prototyping, low-volume runs, or manual assembly. The electrical performance is identical.
Do AD627ARZ and AD627AR-REEL7 have the same temperature range and gain configuration?
Yes. Both variants are specified over the industrial temperature range of −40°C to +85°C and use the same single external resistor to set gain from 1 to 1000, as defined in the AD627 datasheet. No parameter differs between the two orderable part numbers.