Part A
AD706ARZ
ADI公司
- Lifecycle
- Active
- Stock
- 2929 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 AD706JRZ and AD706ARZ are functionally interchangeable dual operational amplifiers that share the same core specifications, including dual-channel configuration, unity-gain stable design, and low input bias current. The primary distinction lies in their specified operating temperature ranges and corresponding grade classifications, which should be validated against the target application's thermal requirements before substitution.
Amplifier Type and Channel Count
High match
Package Type and Pinout
High match
Operating Temperature Range
Validation required
Supply Voltage Range
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 | AD706JRZ | AD706ARZ | Why it matters |
|---|---|---|---|
| Package / Grade | 8-Lead SOIC (J grade, commercial 0°C to 70°C) | 8-Lead SOIC (A grade, industrial -40°C to 85°C) | The grade determines the guaranteed operating temperature range and affects suitability for industrial versus commercial environments. |
| Operating Temperature Range | 0°C to 70°C | -40°C to 85°C | A wider temperature range is required for industrial and outdoor applications where the commercial range would be insufficient. |
| Input Offset Voltage (max) | 100 µV | 50 µV | Lower offset voltage improves DC accuracy; the A grade offers tighter guaranteed offset than the J grade. |
| Input Offset Voltage Drift (max) | 1.5 µV/°C | 1.0 µV/°C | Lower drift maintains accuracy over temperature; the A grade is better specified for precision over its wider range. |
| Input Bias Current (max) | 200 pA | 150 pA | Low bias current is critical for high-impedance sensor and precision applications; the A grade guarantees a tighter limit. |
| Number of Amplifiers | 2 (dual) | 2 (dual) | Both are dual op amps, so channel count and pinout are functionally interchangeable. |
| Supply Voltage Range | ±2 V to ±18 V (or 4 V to 36 V single supply) | ±2 V to ±18 V (or 4 V to 36 V single supply) | Identical supply flexibility means both can be used in the same power architectures. |
| Gain Bandwidth Product | 800 kHz | 800 kHz | Same bandwidth means identical AC response and stability characteristics in a given circuit. |
| Supply Current per Amplifier (typ) | 400 µA | 400 µA | Identical quiescent current means the same power budget and thermal behavior. |
| Input Voltage Noise (typ, 1 kHz) | 15 nV/√Hz | 15 nV/√Hz | Same noise density ensures equivalent signal-to-noise performance in low-level signal chains. |
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 | AD706ARZ | AD706JRZ |
|---|---|---|
| Part Status | Active | Active |
| Amplifier Type | General Purpose | General Purpose |
| Number of Circuits | 2 | 2 |
| Slew Rate | 0.15V/µs | 0.15V/µs |
| Gain Bandwidth Product | 800 kHz | 800 kHz |
| -3 dB Bandwidth | 800 kHz | 800 kHz |
| Current - Input Bias | 50 pA | 50 pA |
| Voltage - Input Offset | 30 µV | 30 µV |
| Supply Current | 750µA | 750µA |
| Current - Output / Channel | 15 mA | 15 mA |
| Voltage - Supply Span(Min) | 4 V | 4 V |
| Voltage - Supply Span(Max) | 36 V | 36 V |
| Operating Temperature | -40°C ~ 85°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount |
Frequently asked questions
What are the primary differences between the AD706JRZ and AD706ARZ?
The AD706JRZ and AD706ARZ are both dual, low-power bipolar op amps in 8-lead SOIC packages. The key difference is the grade: the AD706JRZ is specified over the commercial temperature range (0°C to 70°C), while the AD706ARZ is specified over the industrial temperature range (−40°C to +85°C). The "R" suffix in both part numbers denotes the SOIC package.
Are the AD706JRZ and AD706ARZ pin-compatible?
Yes. Both devices are offered in the same 8-lead SOIC (R-8) package with identical pinout, so they are pin-compatible and share the same PCB land pattern.
Can the AD706JRZ be used as a drop-in replacement for the AD706ARZ?
Electrically and mechanically they are interchangeable in the same SOIC footprint, but the AD706JRZ is only guaranteed over 0°C to 70°C. If the application requires operation below 0°C or above 70°C, the AD706ARZ (rated −40°C to +85°C) should be used instead.
What are the key specifications common to both the AD706JRZ and AD706ARZ?
Both are dual low-power bipolar operational amplifiers featuring low input bias current, low offset voltage, and low noise, with a typical supply current of approximately 0.5 mA per amplifier and operation from ±2 V to ±18 V dual supplies. They are intended for precision instrumentation and signal-conditioning applications.
Do the AD706JRZ and AD706ARZ differ in package or mounting type?
No. Both are supplied in the 8-lead SOIC surface-mount package (R-8), so package type, mounting style, and PCB footprint are identical.
Which part should be selected for an industrial-temperature application?
The AD706ARZ should be selected, because its specified operating temperature range of −40°C to +85°C covers industrial environments, whereas the AD706JRZ is only specified from 0°C to 70°C.
Are the AD706JRZ and AD706ARZ RoHS compliant?
Yes. The "Z" suffix in both part numbers indicates RoHS-compliant packaging, consistent with Analog Devices' lead-free (Pb-free) SOIC offering.