Part A
ADA4610-2ARZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 1759 PCS
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Replacement verdict
Compatible functional replacement candidate
The ADA4622-2ARZ is a viable functional replacement candidate for the ADA4610-2ARZ in many dual op-amp applications, sharing the same SOIC-8 package and dual-channel topology. However, designers must validate supply voltage headroom, input bias current, and bandwidth requirements against the target circuit, since the two devices differ in these electrical characteristics.
Package Type
High match
Channel Count
High match
Supply Voltage Range
Validation required
Input Bias Current
Validation required
Parts at a glance
Part B
ADA4622-2ARZ
Analog Equipment GmbH.
- Lifecycle
- Active
- Stock
- 7137 PCS
- Package
- SOIC-8
- Series
- Amplificateurs linéaires - instruments, amplificateurs opérationnels, amplificateurs tampons
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | ADA4622-2ARZ | ADA4610-2ARZ | Why it matters |
|---|---|---|---|
| Input Bias Current (typ) | 1 pA | 5 pA | Lower input bias current reduces errors in high-impedance sensor and transimpedance applications. |
| Input Offset Voltage (max) | 0.8 mV | 1.5 mV | Lower offset voltage improves DC accuracy and reduces the need for external trimming. |
| Gain Bandwidth Product | 8 MHz | 16 MHz | GBW determines the maximum signal frequency the amplifier can handle at a given closed-loop gain. |
| Slew Rate | 23 V/µs | 25 V/µs | Slew rate limits how fast the output can respond to large signal steps and affects full-power bandwidth. |
| Input Voltage Noise Density (1 kHz) | 12 nV/√Hz | 7.3 nV/√Hz | Lower voltage noise improves signal-to-noise ratio in precision low-level signal amplification. |
| Supply Current per Amplifier (typ) | 0.75 mA | 1.6 mA | Supply current affects power budget and thermal performance in portable and dense designs. |
| Supply Voltage Range | 4.5 V to 30 V (±2.25 V to ±15 V) | ±4.5 V to ±15 V | The supply range determines compatibility with single-supply or dual-supply system rails. |
| Common-Mode Rejection Ratio (typ) | 110 dB | 115 dB | Higher CMRR rejects common-mode noise and improves accuracy in differential signal chains. |
| Operating Temperature Range | -40 °C to +125 °C | -40 °C to +125 °C | The temperature range confirms suitability for industrial and automotive environments. |
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 | ADA4610-2ARZ | ADA4622-2ARZ |
|---|---|---|
| Part Status | Active | Active |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 2 | 2 |
| Output Type | Rail-to-Rail | Rail-to-Rail |
| Slew Rate | 61V/µs | 23V/µs |
| Gain Bandwidth Product | 16.3 MHz | 8 MHz |
| -3 dB Bandwidth | 9.5 MHz | 15.5 MHz |
| Current - Input Bias | 5 pA | 2 pA |
| Voltage - Input Offset | 400 µV | 40 µV |
| Supply Current | 1.6mA (x2 Channels) | 665µA (x2 Channels) |
| Current - Output / Channel | 79 mA | 20 mA |
| Voltage - Supply Span(Min) | 10 V | 5 V |
| Voltage - Supply Span(Max) | 30 V | 30 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 ADA4622-2ARZ and ADA4610-2ARZ?
Both are dual, precision JFET-input operational amplifiers in 8-lead SOIC packages, but they differ in supply voltage range, input bias current, and bandwidth. The ADA4622-2ARZ operates from 5 V to 30 V (±2.5 V to ±15 V), has a typical input bias current of 1 pA, and a gain bandwidth product of 8 MHz. The ADA4610-2ARZ operates from 4.5 V to 36 V (±2.25 V to ±18 V), has a typical input bias current of 5 pA, and a gain bandwidth product of 16 MHz.
Are the ADA4622-2ARZ and ADA4610-2ARZ pin-compatible?
Yes. Both devices are offered in the standard 8-lead SOIC package with the same pinout (1: OUT A, 2: -IN A, 3: +IN A, 4: V-, 5: +IN B, 6: -IN B, 7: OUT B, 8: V+). This allows the ADA4610-2ARZ to be evaluated as a potential replacement for the ADA4622-2ARZ on an existing PCB layout, provided the electrical differences are validated.
Which device offers lower input bias current for high-impedance sensor applications?
The ADA4622-2ARZ specifies a typical input bias current of 1 pA, while the ADA4610-2ARZ specifies a typical input bias current of 5 pA. For extremely high source-impedance sensors where bias current directly contributes to offset error, the ADA4622-2ARZ provides the lower typical bias current.
How do the supply voltage ranges of the two amplifiers compare?
The ADA4622-2ARZ is specified for a supply range of 5 V to 30 V (±2.5 V to ±15 V). The ADA4610-2ARZ is specified for a wider supply range of 4.5 V to 36 V (±2.25 V to ±18 V). Designs operating at ±18 V or requiring operation below 5 V total supply should use the ADA4610-2ARZ.
Which amplifier has higher gain bandwidth for wideband signal conditioning?
The ADA4610-2ARZ has a gain bandwidth product of 16 MHz, compared with 8 MHz for the ADA4622-2ARZ. For applications requiring higher closed-loop bandwidth or faster settling at a given gain, the ADA4610-2ARZ provides approximately twice the gain bandwidth.
Do both amplifiers support rail-to-rail output swing?
Yes. Both the ADA4622-2ARZ and ADA4610-2ARZ feature rail-to-rail output stages, allowing the output voltage to swing close to both supply rails. This makes both devices suitable for single-supply signal chains where maximizing dynamic range is important.
What are the input voltage noise specifications for these two amplifiers?
The ADA4622-2ARZ specifies a typical input voltage noise density of 12 nV/√Hz at 1 kHz. The ADA4610-2ARZ specifies a typical input voltage noise density of 7.5 nV/√Hz at 1 kHz. For low-noise precision front ends, the ADA4610-2ARZ offers lower voltage noise.
Can the ADA4610-2ARZ be used as a drop-in replacement for the ADA4622-2ARZ in an existing design?
Because both are pin-compatible 8-lead SOIC dual op amps, the ADA4610-2ARZ can physically replace the ADA4622-2ARZ. However, the designer must verify that the wider supply range, higher gain bandwidth (16 MHz vs 8 MHz), different input bias current (5 pA vs 1 pA typical), and different noise and offset specifications are acceptable for the target circuit before substituting.