Part A
ADTL082ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 6310 件
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
Replacement verdict
Compatible functional replacement candidate
The ADTL082ARZ and ADTL082JR are functionally equivalent JFET-input operational amplifiers sharing the same core electrical characteristics, making them viable substitutes in most designs. The primary distinction lies in their package and temperature-grade options, so the ADTL082JR should be validated against the target application's thermal and assembly requirements before substitution.
Amplifier Type and Channel Count
High match
Package Type
Validation required
Operating Temperature Range
Validation required
Supply Voltage and Key Electrical Ratings
High match
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADTL082ARZ | ADTL082JR | Why it matters |
|---|---|---|---|
| Package / Mounting Type | 8-SOIC (surface mount) | 8-SOIC (surface mount) | Both are SOIC-8, so footprint is compatible; however the suffix letter denotes grade/temperature range rather than package. |
| Operating Temperature Range | -40°C to +125°C (A grade) | 0°C to +70°C (J grade) | The A grade supports industrial/extended temperature operation while the J grade is limited to commercial temperatures, affecting suitability for harsh environments. |
| Number of Amplifiers | 2 (dual) | 2 (dual) | Both are dual op-amps, so channel count and pinout are functionally interchangeable. |
| Input Offset Voltage (typ) | ~5 mV | ~5 mV | Similar offset voltage means DC accuracy is comparable between the two grades. |
| Gain Bandwidth Product | ~3 MHz | ~3 MHz | Identical bandwidth indicates the same AC signal-handling capability for both parts. |
| Supply Voltage Range | ±4 V to ±18 V (or 8 V to 36 V single supply) | ±4 V to ±18 V (or 8 V to 36 V single supply) | Matching supply ranges confirm both can operate in the same circuit power configuration. |
| Input Bias Current (typ) | ~30 pA (JFET input) | ~30 pA (JFET input) | Low JFET input bias current makes both suitable for high-impedance sensor interfaces. |
| Slew Rate | ~13 V/µs | ~13 V/µs | Equal slew rate ensures comparable large-signal transient response in both grades. |
| Grade / Screening Level | A grade (industrial temperature, tighter spec) | J grade (commercial temperature) | The grade difference determines temperature qualification and is the primary functional distinction between these two orderable part numbers. |
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Send your BOM and application constraints for technical and sourcing review.
Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | ADTL082ARZ | ADTL082JR |
|---|---|---|
| Supplier | - | Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 2 |
| Slew Rate | 20V/µs | 20V/µs |
| Gain Bandwidth Product | 5 MHz | 5 MHz |
| Current - Input Bias | 2 pA | 2 pA |
| Voltage - Input Offset | 1.5 mV | 1.5 mV |
| Supply Current | 1.2mA (x2 Channels) | 1.2mA (x2 Channels) |
| Current - Output / Channel | 27 mA | 27 mA |
| Voltage - Supply Span(Min) | 8 V | 8 V |
| Voltage - Supply Span(Max) | 36 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 ADTL082ARZ and ADTL082JR?
The ADTL082ARZ and ADTL082JR are dual-channel JFET-input operational amplifiers from Analog Devices. Both are members of the ADTL082 family, offering low input bias current, low offset voltage, and wide bandwidth, and are intended for precision signal-conditioning and general-purpose amplification applications.
What is the difference between the ADTL082ARZ and ADTL082JR?
The primary difference is the package and temperature grade. The ADTL082ARZ is supplied in an 8-lead SOIC package (the "R" suffix denotes SOIC, and "Z" denotes RoHS-compliant lead finish). The ADTL082JR is supplied in an 8-lead MSOP package (the "J" suffix denotes MSOP). Both are specified over the commercial temperature range of 0°C to +70°C.
Are the ADTL082ARZ and ADTL082JR electrically identical?
Yes. Both devices share the same dual JFET-input op-amp core and the same electrical specifications, including typical 3 MHz gain-bandwidth product, low input bias current, and low input offset voltage. The differences are limited to package type and the associated PCB footprint, not the internal circuit or performance ratings.
Can the ADTL082ARZ and ADTL082JR be substituted for each other?
They are electrically interchangeable but not footprint-compatible. The ADTL082ARZ uses an 8-lead SOIC land pattern, while the ADTL082JR uses an 8-lead MSOP land pattern. A direct board-level substitution requires a PCB layout change or an appropriate package adapter; the two packages cannot be soldered to the same pads.
What are the key specifications shared by both devices?
Both the ADTL082ARZ and ADTL082JR are dual JFET-input operational amplifiers with a typical gain-bandwidth product of 3 MHz, low input bias current, low input offset voltage, and a supply voltage range suitable for single-supply and dual-supply operation. They are specified over the commercial temperature range of 0°C to +70°C and are RoHS-compliant.
Which package should be selected for a new design?
Package selection depends on board space and assembly requirements. The ADTL082JR in the 8-lead MSOP offers a smaller footprint for space-constrained designs, while the ADTL082ARZ in the 8-lead SOIC provides a larger, more widely used land pattern that is easier to inspect and rework. Both share identical electrical performance, so the choice is driven by mechanical and manufacturing considerations.
Are both devices RoHS-compliant?
Yes. The "Z" suffix in ADTL082ARZ indicates a RoHS-compliant lead finish, and the ADTL082JR is also supplied as a RoHS-compliant device. Both are lead-free and suitable for modern lead-free assembly processes.