Part A
ADA4001-2ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 3781 件
- Package
- SOIC-8
- 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 ADA4062-2ARZ and ADA4001-2ARZ are both dual operational amplifiers in the same 8-lead SOIC package, making them a viable functional replacement candidate. However, the ADA4062-2ARZ offers a wider supply voltage range and higher slew rate, while the ADA4001-2ARZ provides lower input bias current and lower noise. Designers should validate application-specific requirements for supply headroom, dynamic response, and noise performance before substituting one for the other.
Package Type
High match
Channel Count
High match
Supply Voltage Range
Validation required
Slew Rate
Validation required
Parts at a glance
Part B
ADA4062-2ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 6529 件
- Package
- SOIC-8
- Series
- 線性放大器-儀器、運算放大器、緩衝放大器
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 | ADA4001-2ARZ | Why it matters |
|---|---|---|---|
| Amplifier Type | JFET Input | Bipolar Input | Input topology determines input bias current, input impedance, and noise characteristics, directly affecting source loading and precision in high-impedance applications. |
| Input Bias Current (typ) | ~2 pA | ~25 nA | Lower bias current reduces DC error and offset drift when driven from high-impedance sources such as sensors or photodiodes. |
| Input Voltage Noise Density (typ) | ~22 nV/√Hz | ~8 nV/√Hz | Noise density sets the achievable signal-to-noise ratio in low-level signal amplification; lower noise is preferred for precision front-ends. |
| Gain Bandwidth Product (typ) | ~1.4 MHz | ~10 MHz | GBW determines the closed-loop bandwidth and settling behavior; a higher GBW supports faster, wider-band signal processing. |
| Slew Rate (typ) | ~3.3 V/µs | ~5 V/µs | Slew rate limits large-signal bandwidth and transient response; insufficient slew rate causes distortion in fast, large-amplitude signals. |
| Input Offset Voltage (max) | ~1 mV | ~0.5 mV | Offset voltage directly adds DC error to the signal path; tighter offset improves accuracy in precision measurement circuits. |
| Supply Voltage Range | ±5 V to ±15 V (10 V to 30 V) | ±4 V to ±18 V (8 V to 36 V) | The supply range determines compatibility with the system power rails and available output swing headroom. |
| Quiescent Current per Amplifier (typ) | ~0.2 mA | ~1.5 mA | Quiescent current affects total power budget, which is critical in battery-powered and low-power portable designs. |
| Input Common-Mode Voltage Range | Includes negative rail (to V−) | Includes negative rail (to V−) | Rail-to-rail input capability enables single-supply operation and maximizes usable dynamic range for signals near the supply rails. |
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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 | ADA4001-2ARZ | ADA4062-2ARZ |
|---|---|---|
| Part Status | Active | Active |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 2 |
| Output Type | Rail-to-Rail | - |
| Slew Rate | 25V/µs | 3.3V/µs |
| Gain Bandwidth Product | 16.7 MHz | 1.4 MHz |
| -3 dB Bandwidth | 10.3 MHz | - |
| Current - Input Bias | 20 pA | 2 pA |
| Voltage - Input Offset | 500 µV | 750 µV |
| Supply Current | 2mA (x2 Channels) | 165µA (x2 Channels) |
| Current - Output / Channel | 50 mA | 20 mA |
| Voltage - Supply Span(Min) | 10 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 primary differences between the ADA4062-2ARZ and ADA4001-2ARZ operational amplifiers?
The ADA4062-2ARZ is a dual, low-power JFET-input operational amplifier featuring a typical supply current of 165 µA per amplifier and a gain bandwidth product of 1.4 MHz. The ADA4001-2ARZ is a dual, low-noise, low-input-bias-current JFET-input operational amplifier with a typical supply current of 1.7 mA per amplifier and a gain bandwidth product of 10 MHz. The ADA4062-2ARZ is optimized for very low power consumption, while the ADA4001-2ARZ is optimized for higher bandwidth and lower voltage noise.
Are the ADA4062-2ARZ and ADA4001-2ARZ pin-compatible?
Yes. Both devices are offered in the same 8-lead SOIC package (ARZ suffix) and share the standard dual operational amplifier pinout: Pin 1 = OUT A, Pin 2 = −IN A, Pin 3 = +IN A, Pin 4 = V−, Pin 5 = +IN B, Pin 6 = −IN B, Pin 7 = OUT B, and Pin 8 = V+. This allows them to be used on the same PCB land pattern, though electrical performance differences must be evaluated for the target design.
How do the supply current requirements of the ADA4062-2ARZ and ADA4001-2ARZ compare?
The ADA4062-2ARZ draws a typical supply current of 165 µA per amplifier (330 µA total for the dual), making it suitable for battery-powered and portable applications. The ADA4001-2ARZ draws a typical supply current of 1.7 mA per amplifier (3.4 mA total for the dual). The ADA4062-2ARZ is therefore approximately an order of magnitude lower in quiescent current than the ADA4001-2ARZ.
Which device offers higher bandwidth, the ADA4062-2ARZ or the ADA4001-2ARZ?
The ADA4001-2ARZ offers a higher gain bandwidth product of 10 MHz typical, compared with 1.4 MHz typical for the ADA4062-2ARZ. The ADA4001-2ARZ also provides a higher slew rate, making it better suited for higher-frequency signal conditioning, while the ADA4062-2ARZ is intended for lower-bandwidth, low-power applications.
How do the input bias current and input offset voltage specifications compare between the ADA4062-2ARZ and ADA4001-2ARZ?
Both devices use JFET inputs, providing very low input bias current. The ADA4062-2ARZ specifies a typical input bias current of 1 pA and a typical input offset voltage of 0.5 mV. The ADA4001-2ARZ specifies a typical input bias current of 1 pA and a typical input offset voltage of 0.5 mV. Both are well suited for high-impedance sensor interfaces, though the datasheets should be consulted for guaranteed limits over temperature.
What are the voltage noise characteristics of the ADA4062-2ARZ and ADA4001-2ARZ?
The ADA4001-2ARZ is specified with a typical voltage noise density of 16 nV/√Hz at 1 kHz, making it the lower-noise option of the two. The ADA4062-2ARZ has a higher typical voltage noise density, consistent with its lower supply current design. For low-noise signal chains, the ADA4001-2ARZ is generally the preferred choice, while the ADA4062-2ARZ prioritizes power efficiency.
Can the ADA4062-2ARZ and ADA4001-2ARZ operate from the same supply voltages?
Both devices are specified for dual-supply operation of ±5 V to ±15 V and single-supply operation from 10 V to 30 V, with the same absolute maximum supply voltage rating. This means they can share a common power rail in a design, but the designer must verify that the load, bandwidth, and power budget requirements are met by the chosen device.
In which applications should the ADA4062-2ARZ be preferred over the ADA4001-2ARZ, and vice versa?
The ADA4062-2ARZ is preferred in portable, battery-powered, and low-power instrumentation where quiescent current is critical and signal bandwidth is modest. The ADA4001-2ARZ is preferred in precision signal conditioning, active filters, and audio or sensor front ends where lower voltage noise and higher bandwidth are required, and the higher supply current is acceptable.