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Analog Devices Inc. AD8510ARZ-REEL7
- Part No.:
- AD8510ARZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD8510ARZ-REEL7.pdf
- Description:
- IC OPAMP JFET 1 CIRCUIT 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,783
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Product details
Overview
AD8510ARZ-REEL7 from Analog Devices is a single-channel, precision JFET-input operational amplifier optimized for high-impedance sensor signal conditioning and low-noise current measurement. It delivers 400 μV max offset voltage, 8 nV/√Hz voltage noise at 1 kHz, 20 V/μs slew rate, and 0.1% settling in 500 ns - enabling accurate buffering of 12-bit DAC outputs and photodiode amplification in medical instrumentation.
For engineers reviewing the AD8510ARZ-REEL7 datasheet, AD8510ARZ-REEL7 pinout, AD8510ARZ-REEL7 application, or AD8510ARZ-REEL7 equivalent, key selection criteria include input bias current (25 pA typ at ±15 V), unity-gain stability with capacitive loads up to 1000 pF, absence of output phase reversal, and operation across −40°C to +125°C.
Technical Context
The AD8510ARZ-REEL7 employs a JFET input stage to achieve ultra-low input bias current (25 pA typical) and low input current noise, critical for high-source-impedance applications like photodiode and precision shunt current sensing. Its fast settling time (500 ns to 0.1%) and 20 V/μs slew rate support high-speed precision signal paths without sacrificing dc accuracy.
Unlike legacy JFET op amps, it eliminates output phase reversal when inputs exceed common-mode range and maintains stability driving ≥500 pF capacitive loads in unity gain - verified by >44.5° phase margin and no oscillation in worst-case configurations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Offset Voltage (B Grade) | 0.4 mV max - ensures ≤0.01% error in 4 V full-scale precision current sensing |
| Input Bias Current | 25 pA typical at ±15 V - enables use with >1 GΩ source impedances without significant offset shift |
| Voltage Noise Density | 8 nV/√Hz at 1 kHz - supports low-noise amplification of microvolt-level sensor signals |
| Slew Rate | 20 V/μs - allows clean reproduction of fast 0–4 V steps in DAC output buffering |
| Gain Bandwidth Product | 8 MHz - provides sufficient loop gain for stable closed-loop operation up to 100 kHz at G = 100 |
| Settling Time | 500 ns to 0.1% - matches sub-microsecond settling requirements of 12-bit data acquisition systems |
| Supply Range | ±5 V to ±15 V - supports dual-rail operation in industrial and test equipment power domains |
Pinout & Package
AD8510ARZ-REEL7 is housed in an 8-lead SOIC_N (R suffix) package, 3.9 mm × 4.9 mm, with standard JEDEC MS-012AC footprint and RoHS-compliant matte tin lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NULL) | Null Offset Adjustment | Internally unconnected; no external compensation required for standard operation |
| 2 (–IN) | Inverting Input | High-impedance JFET node; accepts differential input signals with <25 pA bias current |
| 3 (+IN) | Noninverting Input | High-impedance JFET node; used for reference-based sensing and unity-gain follower configurations |
| 4 (V–) | Negative Supply Rail | Connects to system negative rail (e.g., –5 V or –15 V); must be decoupled locally |
| 5 (NC) | No Connect | Internally isolated; left floating per datasheet - no PCB trace or component connection |
| 6 (V+) | Positive Supply Rail | Connects to system positive rail (e.g., +5 V or +15 V); requires local 0.1 μF ceramic decoupling |
| 7 (OUT) | Output | Capable of ±54 mA drive into 2 kΩ; stable with ≥1000 pF capacitive load in unity gain |
| 8 (NULL) | Null Offset Adjustment | Internally unconnected; unused in production configuration |
Key Features
| Feature | Design Value |
|---|---|
| No output phase reversal | Prevents system lockup or latch-up when input exceeds supply rails - eliminates need for external clamping diodes |
| Unity-gain stable | Operates reliably in voltage-follower mode without external compensation, even with 1000 pF load |
| Low TCVOS | 1 μV/°C typical drift - maintains <1.2 μV offset change over 0–70°C ambient, critical for uncalibrated field instruments |
| Fast overload recovery | ≤200 ns recovery from saturation - preserves fidelity of transient-rich signals in multiplexed sensor arrays |
| Wide supply range | ±5 V to ±15 V operation - supports reuse across legacy ±15 V test gear and modern low-voltage industrial systems |
Applications
| Photodiode Amplifier | Precision Shunt Current Monitor |
|---|---|
Use Scenario: Amplifying low-current output (pA–nA) from reverse-biased silicon photodiodes in optical smoke detectors and spectrophotometers. IC Role / Device Role / Timing Role: Transimpedance amplifier with virtual-ground input; sets gain via feedback resistor while preserving bandwidth and low noise. Use Value: 25 pA input bias current minimizes dark-current error; 8 nV/√Hz noise enables detection of sub-picoamp photocurrents. | Use Scenario: Measuring load current in motor control or power supply feedback loops using milliohm shunt resistors. IC Role / Device Role / Timing Role: High-side or low-side differential amplifier with precise gain and minimal offset drift over temperature. Use Value: 0.4 mV max offset and 1 μV/°C TCVOS ensure ≤0.02% full-scale error across –40°C to +85°C without calibration. |
| Medical Instrumentation Front-End | High-Fidelity Audio Line Driver |
Use Scenario: Conditioning weak biopotential signals (ECG, EEG) with high common-mode rejection and minimal added noise. IC Role / Device Role / Timing Role: First-stage instrumentation amplifier input buffer; rejects electrode half-cell potentials and EMI. Use Value: 100 dB CMRR at dc and 86 dB at 10 kHz suppresses 50/60 Hz interference; 0.0005% THD+N preserves signal integrity. | Use Scenario: Driving low-impedance headphones or line-level inputs in portable audio DACs and studio interfaces. IC Role / Device Role / Timing Role: Unity-gain output buffer with high output current and low distortion. Use Value: ±54 mA output drive handles 32 Ω loads; 0.0005% THD+N at 1 kHz ensures transparent audio reproduction. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision JFET op amp applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| OPA140AIDR | Lower input bias current (0.5 pA typ), higher GBP (11 MHz), but higher voltage noise (11 nV/√Hz) | Better for femtoamp-level electrometer circuits; less optimal for low-noise photodiode amps below 100 kHz | Select OPA140AIDR when ultra-low IB dominates design priority over voltage noise floor |
| LT1782CS5#TRMPBF | Single-supply only (2.7–36 V), lower quiescent current (1.1 mA), but higher offset (600 μV max) and slower settling (1.2 μs) | Suitable for battery-powered portable sensors where dual supply is impractical | Choose LT1782CS5#TRMPBF only when single-rail operation and low IQ outweigh precision and speed requirements |
Compared with OPA140AIDR and LT1782CS5#TRMPBF, AD8510ARZ-REEL7 offers the best balance of low voltage noise, fast settling, and guaranteed phase-reversal immunity - making it preferred for dual-supply, wide-bandwidth precision analog front-ends where signal fidelity and reliability are non-negotiable.
Availability
AD8510ARZ-REEL7 is available at Aetrix Electronics and suitable for medical instrumentation, automated test equipment, and industrial sensor signal conditioning requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for AD8510ARZ-REEL7 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Norwood, MA.
The AD8510ARZ-REEL7 belongs to the AD851x family of precision JFET op amps, engineered specifically for high-impedance, low-noise, wide-bandwidth applications including photodiode amplification, precision current sensing, and medical signal chains.
FAQ
What is the maximum capacitive load the AD8510ARZ-REEL7 can drive stably in unity-gain configuration?
The AD8510ARZ-REEL7 is unconditionally stable driving up to 1000 pF in unity-gain configuration without external compensation. Datasheet Figure 45 and Figure 46 confirm stable operation with 500 pF loads, and Table 5 lists snubber network values (e.g., 100 Ω + 1 nF) for loads up to 1000 pF. This capability eliminates need for isolation resistors in photodiode transimpedance designs using AD8510ARZ-REEL7.
Does the AD8510ARZ-REEL7 exhibit output phase reversal when input voltages exceed the supply rails?
No, the AD8510ARZ-REEL7 does not suffer from output phase reversal under input overvoltage conditions - a documented feature confirmed in the General Application Information section (page 14) and illustrated in Figure 40. This behavior is intrinsic to its internal protection architecture and applies across the full −40°C to +125°C operating range, making AD8510ARZ-REEL7 safer than many legacy JFET op amps in fault-prone sensor interfaces.
What is the typical input bias current of the AD8510ARZ-REEL7 at ±15 V supply?
The typical input bias current of the AD8510ARZ-REEL7 is 25 pA at ±15 V supply and 25°C, as specified in Table 2 (Electrical Characteristics, page 5). This value increases to 80 pA maximum at 25°C and remains ≤10 nA across the full −40°C to +125°C temperature range - enabling reliable operation in high-impedance pH probe and piezoelectric sensor circuits where AD8510ARZ-REEL7 is commonly deployed.
Can the AD8510ARZ-REEL7 be used in single-supply applications?
Yes, the AD8510ARZ-REEL7 supports single-supply operation down to +5 V total supply (i.e., V+ = +5 V, V– = 0 V), though its input common-mode range extends only to within 2.0 V of V– and 2.5 V below V+ at ±5 V supplies. For true rail-to-rail input performance, a dedicated single-supply op amp is recommended; however, AD8510ARZ-REEL7 remains viable in single-ended 5 V systems where input signals stay within its validated common-mode window.
What is the guaranteed maximum offset voltage for the AD8510ARZ-REEL7 over temperature?
The AD8510ARZ-REEL7 is specified with a maximum offset voltage of 0.8 mV over the full −40°C to +125°C operating temperature range for the B-grade version (as stated in Table 1, page 4). This guarantee applies under ±5 V or ±15 V supplies and ensures predictable performance in automotive under-hood and industrial control environments where AD8510ARZ-REEL7 is often selected for its extended temperature robustness.
AD8510ARZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- J-FET
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 20V/µs
- Gain Bandwidth Product:
- 8 MHz
- -3db Bandwidth:
- -
- Current - Input Bias:
- 25 pA
- Voltage - Input Offset:
- 100 µV
- Current - Supply:
- 2.2mA
- Current - Output / Channel:
- 70 mA
- Voltage - Supply Span (Min):
- 9 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD8510ARZ-REEL7 FAQ
1.How can I place an order for AD8510ARZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD8510ARZ-REEL7 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AD8510ARZ-REEL7 reliable?
The price and inventory of AD8510ARZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD8510ARZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD8510ARZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD8510ARZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD8510ARZ-REEL7?
AD8510ARZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD8510ARZ-REEL7 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AD8510ARZ-REEL7?
For technical support, including AD8510ARZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD8510ARZ-REEL7 requirements.
6.How does Aetrix verify that AD8510ARZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD8510ARZ-REEL7 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD8510ARZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD8510ARZ-REEL7?
All AD8510ARZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD8510ARZ-REEL7, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AD8510ARZ-REEL7 part is unused and in its original packaging.
Return procedure for AD8510ARZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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