Part A
AD8510BRZ
Компания Analog Devices Inc.
- Lifecycle
- Active
- Stock
- 3148 ПКС
- Series
- Linear - Amplifiers - Instrumentation, Op Amps, Buffer Amps
Replacement verdict
Compatible functional replacement candidate
The AD8510ARZ and AD8510BRZ are functionally interchangeable precision JFET-input operational amplifiers sharing identical pinout, package, supply range, and gain-bandwidth product; the BRZ grade offers tighter offset voltage and offset drift, making it a valid drop-in candidate where enhanced DC precision is required, while the ARZ remains suitable for applications with relaxed offset tolerances.
Package and Pinout
High match
Amplifier Type and Channel Count
High match
Supply Voltage Range
High match
Offset Voltage and Drift Grade
Validation required
Key differences
Rows are prioritized by design impact. Highlighted values require attention during substitution.
Key electrical and mechanical differences between the two devices
| Parameter | AD8510ARZ | AD8510BRZ | Why it matters |
|---|---|---|---|
| Input Offset Voltage (Vos, max) | 0.8 mV | 0.4 mV | Lower offset voltage improves DC accuracy; the B grade offers tighter precision for high-accuracy signal chains. |
| Input Offset Voltage Drift (max) | 10 µV/°C | 5 µV/°C | Lower drift maintains accuracy over temperature; the B grade is preferable for wide-temperature precision applications. |
| Input Bias Current (max) | 80 pA | 50 pA | Lower bias current reduces errors in high-impedance circuits; the B grade suits high-source-impedance sensors better. |
| Input Noise Voltage Density (typ) | 8 nV/√Hz | 8 nV/√Hz | Noise density affects low-level signal resolution; both grades are similar here, so noise is not a differentiator. |
| Gain Bandwidth Product (typ) | 8 MHz | 8 MHz | GBW sets the achievable closed-loop bandwidth; identical values mean AC performance is equivalent between grades. |
| Slew Rate (typ) | 20 V/µs | 20 V/µs | Slew rate limits large-signal response; identical values indicate comparable dynamic behavior. |
| Supply Voltage Range | ±5 V to ±15 V | ±5 V to ±15 V | Operating supply range determines system compatibility; both grades support the same rails. |
| Operating Temperature Range | −40 °C to +125 °C | −40 °C to +125 °C | Temperature range defines environmental robustness; both grades are rated for industrial/extended temperature use. |
| Package | 8-Lead SOIC | 8-Lead SOIC | Package compatibility ensures drop-in PCB substitution; both use the same SOIC footprint. |
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Full specification comparison
Use manufacturer datasheets as the final authority.
| Specification | AD8510BRZ | AD8510ARZ |
|---|---|---|
| Part Status | Active | Active |
| Base Product Number | AD8510 | - |
| Amplifier Type | J-FET | J-FET |
| Number of Circuits | 1 | 1 |
| Slew Rate | 20V/µs | 20V/µs |
| Gain Bandwidth Product | 8 MHz | 8 MHz |
| Current - Input Bias | 25 pA | 25 pA |
| Voltage - Input Offset | 80 µV | 100 µV |
| Supply Current | 2.2mA | 2.2mA |
| Voltage - Supply Span (Min) | 9 V | - |
| Voltage - Supply Span (Max) | 36 V | - |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Packaging | Tube | - |
| Current - Output / Channel | 70 mA | 70 mA |
| Voltage - Supply Span(Min) | - | 9 V |
| Voltage - Supply Span(Max) | - | 36 V |
Frequently asked questions
What are the key differences between the AD8510ARZ and AD8510BRZ?
Both are single, precision JFET-input operational amplifiers in an 8-lead SOIC package from Analog Devices. The primary difference is the grade: the AD8510ARZ is the standard grade, while the AD8510BRZ is the higher-grade version with tighter guaranteed specifications, notably lower offset voltage and offset voltage drift, and slightly better noise and CMRR limits as defined in the datasheet.
Are the AD8510ARZ and AD8510BRZ pin-compatible and package-compatible?
Yes. Both devices are offered in the same 8-lead SOIC (R-8) package with identical pinout, so they are pin-to-pin and footprint compatible. The "Z" suffix indicates RoHS-compliant lead finish for both parts.
What are the guaranteed offset voltage specifications for each grade?
Per the Analog Devices datasheet, the AD8510ARZ (A grade) guarantees a maximum input offset voltage of 0.8 mV, while the AD8510BRZ (B grade) guarantees a maximum input offset voltage of 0.4 mV. Typical offset voltage is lower for both grades.
How do the offset voltage drift specifications compare?
The B grade (AD8510BRZ) specifies a lower maximum input offset voltage drift than the A grade (AD8510ARZ). Designers requiring stable DC accuracy over temperature should consult the datasheet drift limits and select the B grade when tighter drift is needed.
Do both parts share the same supply voltage range and quiescent current?
Yes. Both the AD8510ARZ and AD8510BRZ operate from dual supplies of ±5 V to ±15 V (or equivalent single-supply ranges within the datasheet limits) and have the same typical quiescent current specification, since they are the same amplifier core offered in different grades.
Can the AD8510BRZ be used as a drop-in replacement for the AD8510ARZ?
Yes, in most designs the AD8510BRZ can directly replace the AD8510ARZ because they share the same package, pinout, and functional specifications, with the B grade offering equal or tighter guaranteed limits. Verify that the B-grade specifications meet or exceed the design requirements before substituting.
Which grade should be selected for precision DC applications?
For precision DC applications requiring tighter offset voltage and drift, the AD8510BRZ is the appropriate choice because its guaranteed maximum offset voltage (0.4 mV) and drift limits are tighter than those of the AD8510ARZ (0.8 mV max offset). The A grade remains suitable where the looser limits are acceptable.
Are both devices RoHS compliant and available in the same packaging?
Yes. Both the AD8510ARZ and AD8510BRZ carry the "Z" RoHS-compliant designation and are supplied in the 8-lead SOIC package, so they share the same environmental compliance status and package outline.