Part A
ADA4062-2ARZ
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 6529 ПКС
- Package
- SOIC-8
- Series
- Линейные - Усилетели - Приборы, ОП Усилетели, Буферные Усилетели
Replacement verdict
Compatible functional replacement candidate
The ADA4062-2ARZ and ADA4062-2BRZ-RL are functionally equivalent dual low-power JFET-input operational amplifiers sharing the same core die, pinout, and electrical specifications; the BRZ-RL variant is supplied in tape-and-reel packaging for automated assembly, making it a viable functional replacement candidate where reel packaging is acceptable.
Amplifier Core Specifications
High match
Package and Pinout
High match
Operating Temperature Range
High match
Packaging Format
Validation required
Parts at a glance
Part B
ADA4062-2BRZ-RL
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 9861 ПКС
- Package
- SOIC-8
- Series
- Линейные - Усилетели - Приборы, ОП Усилетели, Буферные Усилетели
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4062-2ARZ | ADA4062-2BRZ-RL | Why it matters |
|---|---|---|---|
| Amplifier Type | JFET Input Operational Amplifier | JFET Input Operational Amplifier | Both are JFET-input op amps, so the core input topology and high input impedance behavior are the same, supporting functional substitutability. |
| Number of Channels | 2 | 2 | Channel count must match for the part to drop into the same dual-amplifier circuit. |
| Supply Voltage Range | ±5 V to ±15 V (dual supply) | ±5 V to ±15 V (dual supply) | The operating supply window determines compatibility with the system rails and available signal headroom. |
| Input Bias Current | Low (JFET input, pA range) | Low (JFET input, pA range) | Low input bias current is critical for high-impedance sensor and precision applications; matching behavior preserves accuracy. |
| Gain Bandwidth Product | 1.4 MHz (typical) | 1.4 MHz (typical) | GBW sets the achievable closed-loop bandwidth and stability; identical values mean the same dynamic performance. |
| Slew Rate | 3.3 V/µs (typical) | 3.3 V/µs (typical) | Slew rate limits large-signal response; matching values ensure equivalent transient behavior. |
| Input Offset Voltage | Low (JFET precision grade) | Low (JFET precision grade) | Offset voltage affects DC accuracy; comparable offset performance supports interchangeability in precision circuits. |
| Package / Mounting | 8-Lead SOIC (surface mount) | 8-Lead SOIC (surface mount, tape and reel) | Package and mounting style must match the PCB footprint; the difference here is only the shipping format (tube vs. tape and reel). |
| Operating Temperature Range | −40 °C to +125 °C | −40 °C to +125 °C | The temperature range defines environmental robustness; identical ratings mean the same application envelope. |
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 | ADA4062-2ARZ | ADA4062-2BRZ-RL |
|---|---|---|
| Supplier | - | Analog Devices Inc.,Rochester Electronics, LLC |
| Part Status | Active | Obsolete |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 2 |
| Slew Rate | 3.3V/µs | 3.3V/µs |
| Gain Bandwidth Product | 1.4 MHz | 1.4 MHz |
| Current - Input Bias | 2 pA | 2 pA |
| Voltage - Input Offset | 750 µV | 500 µV |
| Supply Current | 165µA (x2 Channels) | 165µA (x2 Channels) |
| Current - Output / Channel | 20 mA | 20 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 key differences between the ADA4062-2ARZ and ADA4062-2BRZ-RL?
Both are dual-channel JFET-input operational amplifiers from Analog Devices in the same 8-lead SOIC package. The primary difference is the grade and packaging: the ADA4062-2ARZ is an A-grade device supplied in a tube, while the ADA4062-2BRZ-RL is a B-grade device supplied in tape-and-reel format for automated assembly. The B-grade offers tighter specified limits on offset voltage and offset drift compared to the A-grade.
Are the ADA4062-2ARZ and ADA4062-2BRZ-RL pin-compatible?
Yes. Both devices are offered in the same 8-lead SOIC (R-8) package with identical pin assignments, so they are pin-compatible and share the same PCB land pattern.
What are the specified offset voltage limits for each grade?
The ADA4062-2ARZ (A-grade) specifies a maximum input offset voltage of 1.5 mV at 25°C, while the ADA4062-2BRZ-RL (B-grade) specifies a maximum input offset voltage of 0.75 mV at 25°C. The B-grade therefore offers tighter DC precision.
How do the offset voltage drift specifications compare?
The A-grade ADA4062-2ARZ specifies a maximum input offset voltage drift of 15 µV/°C, whereas the B-grade ADA4062-2BRZ-RL specifies a maximum drift of 5 µV/°C. The B-grade provides better stability over temperature.
Do both parts share the same supply voltage range and quiescent current?
Yes. Both the ADA4062-2ARZ and ADA4062-2BRZ-RL operate from a dual supply of ±5 V to ±15 V (or single supply of 10 V to 30 V) and draw a typical supply current of 165 µA per amplifier, with a maximum of 250 µA per amplifier at 25°C.
What are the gain bandwidth and slew rate of these amplifiers?
Both grades of the ADA4062-2 feature a typical gain bandwidth product of 1.4 MHz and a typical slew rate of 3.3 V/µs, as specified in the Analog Devices datasheet.
Why would a design choose the ADA4062-2BRZ-RL over the ADA4062-2ARZ?
The B-grade ADA4062-2BRZ-RL is preferable when tighter offset voltage (0.75 mV max) and lower offset drift (5 µV/°C max) are required, and its tape-and-reel packaging suits high-volume automated pick-and-place assembly. The A-grade ADA4062-2ARZ is suitable for applications with less demanding DC precision requirements.
Are the ADA4062-2ARZ and ADA4062-2BRZ-RL interchangeable in an existing design?
Because they are pin-compatible and share the same package and electrical topology, the B-grade can generally replace the A-grade where tighter offset specifications are acceptable or beneficial. However, any substitution should be validated against the manufacturer datasheet and the specific design requirements, particularly regarding offset, drift, and packaging format.