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HomeProductsIntegrated Circuits (ICs)Specialized ICsAD8513ARU
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AD8513ARU - Analog Devices

Manufacturer Part Number
AD8513ARU
Manufacturer
Analog Devices, Inc.
Allelco Part Number
41D-AD8513ARU
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
10,300 pcs available, New & Original
Parts Description
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Data sheet
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Category
Integrated Circuits (ICs) > Specialized ICs
RoHs Status
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Our certification
In stock: 10300
  • Unit Price: $4.54
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $4.54 $4.54
200+ $1.757 $351.40
500+ $1.695 $847.50
1000+ $1.665 $1,665.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AD8513ARU Tech Specifications
Analog Devices - AD8513ARU technical specifications, attributes, parameters and parts with similar specifications to Analog Devices - AD8513ARU

Product Attribute Attribute Value
Part Number AD8513ARU
Package -
Description -
Stock Condition Get 10300 pcs available quantity at Allelco
Payment PayPal / TT / Credit Card / Western Union
Allelco Certifications ESD / ISO 9001 / ISO 13485 / ISO 28000
Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
RoHs Status -
Warranty 100% Perfect Functions
Transport port Hong Kong
Shipping by DHL / FedEx / UPS / TNT / SF Express
RFQ Email info@allelco.com

Frequently Asked Questions(FAQ)

How does the AD8513ARU’s input offset voltage of 80 μV compare to other precision op-amps in its class, and what design implications does this have for low-gain or sensor conditioning circuits?
The AD8513ARU exhibits an input offset voltage of just 80 μV, which places it among the more precise amplifiers in the low-power, general-purpose operational amplifier segment. While not as tight as ultra-low-offset devices from specialized lines like the LTC2063 series, this level of Vos is sufficient for many industrial sensing applications where signal integrity matters more than absolute precision. For example, in a 1 Vpp differential signal amplified by a gain of 10, the worst-case error introduced by Vos would be approximately 800 μV, representing less than 1% of full-scale output under ideal conditions. This becomes particularly relevant in battery-powered systems where minimizing noise and distortion outweighs sub-μV performance. When paired with its 1 μV/°C drift specification, the AD8513ARU maintains stable performance across temperature variations common in embedded systems.
What are the thermal and power trade-offs when using the AD8513ARU in single-supply versus dual-supply configurations, especially given its 2.2 mA quiescent current?
The AD8513ARU consumes 2.2 mA of supply current per channel, which is moderate for a rail-to-rail output op-amp but significant compared to sub-μA micropower alternatives. In single-supply designs running at 3.3 V, total power dissipation is approximately 7.26 mW per channel—well within typical thermal limits for TSSOP-14 packages even without PCB heat sinking. However, in high-channel-count or always-on monitoring applications, cumulative quiescent current can dominate system power budget. Dual-supply operation offers no inherent advantage in power consumption but enables symmetric output swing near both rails, improving dynamic range in analog-to-digital conversion stages. The choice between supply types should prioritize signal headroom and compatibility with downstream ADC reference levels rather than power savings alone.
Can the AD8513ARU reliably drive capacitive loads above 10 nF without oscillation, and how might layout influence stability?
The AD8513ARU features internal compensation optimized for stability with capacitive loads up to approximately 20 nF, though performance degrades beyond that threshold. In practice, driving larger capacitances (e.g., >100 nF) often requires series resistance at the output or careful PCB layout to dampen peaking. A typical workaround involves inserting a small resistor (10–100 Ω) in series with the load capacitor to isolate the op-amp’s output stage. Additionally, minimizing trace inductance and avoiding long feedback paths help maintain phase margin. For applications requiring direct drive of heavy capacitive loads, external compensation or a different device with higher drive capability may be preferable. The AD8513ARU’s slew rate of 20 V/μs also imposes limits on how rapidly such loads can be charged, affecting settling time in sample-and-hold circuits.
How does the gain bandwidth product of 8 MHz of the AD8513ARU constrain closed-loop gain choices in audio or instrumentation amplifiers?
With a gain bandwidth product (GBP) of 8 MHz, the AD8513ARU provides unity-gain bandwidth sufficient for most non-audio applications, but closed-loop gains above ~10 significantly reduce usable bandwidth. For instance, a non-inverting amplifier configured for a gain of 100 will have an effective bandwidth of roughly 80 kHz (GBP / Gain). This restricts its use in wideband signal processing tasks requiring both high gain and fast transient response. In contrast, lower-gain stages (e.g., G = 5) extend bandwidth to ~1.6 MHz, making them suitable for sensor signal conditioning with modest bandwidth requirements. Designers must balance amplification needs against frequency content; for ultrasonic or RF-like signals, alternative architectures or higher-GBP devices are recommended over cascaded stages using the AD8513ARU.
What considerations apply when cascading multiple AD8513ARU stages in a multi-stage amplifier, given its limited output current and slew rate?
Cascading multiple AD8513ARU stages introduces cumulative limitations in output swing, bandwidth, and settling behavior due to reduced overall gain-bandwidth product and increased parasitic capacitance. Each additional stage attenuates the effective GBP further—for two identical stages each set to gain 10, the combined bandwidth drops to about 400 kHz. Moreover, the 20 V/μs slew rate becomes critical in high-speed applications: if the first stage outputs a large step, the second stage may not follow quickly enough if driven beyond its slew-limited regime. Thermal coupling in dense layouts can also exacerbate drift through shared ground planes. Therefore, while possible for moderate-gain, low-frequency designs, cascading demands careful compensation and headroom planning to avoid instability or distorted transients.
How does the common mode rejection ratio (CMRR) of 86 dB impact noise immunity in noisy industrial environments?
An 86 dB CMRR means the AD8513ARU attenuates common-mode signals by a factor of 251 relative to differential signals. In a system with 100 mV of ambient noise common to both inputs, only about 400 μV appears at the output—a reasonable suppression level for many factory-floor sensors. However, this diminishes rapidly at higher frequencies due to internal matching limitations. For improved CMRR, external guarding, balanced traces, and careful reference grounding are essential. Compared to precision instrumentation amps with >100 dB CMRR, the AD8513ARU trades off some rejection for lower power and cost, making it better suited for general-purpose buffering than high-accuracy bridge measurements without supplemental filtering or calibration.
Is the AD8513ARU suitable for driving loads below its specified output current limit, and what happens during brief overloads?
Although the datasheet lists no explicit minimum load requirement, the AD8513ARU’s output stage behaves predictably down to very light loads (e.g., 1 kΩ or even open-circuit), thanks to its rail-to-rail architecture. During short-duration overloads—such as brief capacitive surges—the device includes internal protection circuitry, but sustained currents beyond ±30 mA risk thermal damage. In practical terms, driving resistive loads above 50 Ω ensures stability, while capacitive loads benefit from series damping resistors. Unlike some older op-amps, the AD8513ARU does not require minimum load for compensation, simplifying driver design in DAC output buffers or sensor interfaces.
What role does input bias current play in selecting the AD8513ARU for high-impedance transducer circuits?
The AD8513ARU draws only 25 pA of input bias current, enabling reliable interfacing with high-resistance sources such as thermistors (100 kΩ–1 MΩ) or piezoelectric elements without significant loading. For comparison, a JFET-input op-amp might draw 1 nA, causing measurable voltage drop across similar resistances. At 1 MΩ source impedance, the 25 pA bias current creates a DC offset of just 25 μV, negligible in most cases. This makes the AD8513ARU well-suited for long-time-constant RC networks or charge-sensitive preamplifiers where leakage currents dominate noise floors. However, in ultra-high-impedance photovoltaic detection, even smaller bias currents may be necessary, favoring CMOS-input variants despite potential speed trade-offs.
How does temperature variation affect long-term accuracy in fixed-gain applications using the AD8513ARU?
Over a commercial temperature range (assumed 0°C to 70°C based on typical ADI part behavior), the 1 μV/°C offset drift results in a worst-case Vos change of ±70 μV. Combined with initial Vos of ±80 μV, total offset variation can reach ±150 μV—equivalent to ~0.15% error in a 100 mV full-scale signal amplified by gain 1. This drift accumulates over time and dominates errors in uncalibrated systems. While acceptable for many consumer or industrial control loops, mission-critical applications may require periodic auto-zeroing or trimming. The drift is linear enough to model via simple compensation algorithms in microcontrollers, but designers should account for it in calibration routines or select lower-drift alternatives if tighter stability is mandated.
How does the package size (TSSOP-14) of the AD8513ARU influence thermal management and routing density in space-constrained PCBs?
The TSSOP-14 package measures 5 mm × 4.4 mm, offering good pin density for 14-channel functionality while remaining manageable in compact designs. Its exposed pad enhances thermal conductivity compared to plastic-only packages, aiding heat dissipation from the die—though at 2.2 mA per channel, total power remains modest (e.g., <150 mW for four active channels). Still, in densely populated boards with adjacent hot components, airflow and copper pour placement become important. Routing considerations include keeping feedback traces short to preserve phase margin and avoiding crosstalk between adjacent pins carrying sensitive analog signals. The small footprint supports high-layer-count PCBs but demands attention to solder joint reliability under thermal cycling.
What precautions are needed when replacing the AD8513ARU in legacy designs with newer op-amp families?
Substituting the AD8513ARU requires verifying compatibility across all operating parameters. Key checks include confirming supply voltage range alignment (±2.5 V to ±15 V), input/output swing capabilities, and output drive strength relative to previous stages. The 2.2 mA quiescent current may increase overall power in low-battery applications, while the 8 MHz GBP may limit bandwidth in high-speed paths. Additionally, ensure proper decoupling near the IC and maintain consistent layout practices—especially grounding strategies—to avoid introducing noise. If the original design relied on specific offset characteristics or noise floor assumptions, bench testing under real-world conditions is advisable before finalizing the swap.
Why might someone choose the tube-packaged version (AD8513ARU) instead of tape-and-reel for prototyping?
Tube packaging facilitates easy manual handling and insertion during breadboarding or early-stage development where component turnover exceeds reel capacity. It allows engineers to test multiple circuit variations without committing to large quantities. Once design validation proceeds, transitioning to reel packaging for manufacturing improves automation efficiency and reduces handling errors. The tube form also preserves lead integrity better than bulk reels during transport, which benefits fragile prototypes. Thus, the AD8513ARU in tube format serves as an ideal bridge between concept verification and mass production readiness.

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Customer Reviews

Evaluation: 10 Articles

  • Nath***rooks
    Jun 11, 2026

    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

  • Dani***alkerTech
    Jun 1, 2026

    Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.

  • Yuki***aka88
    May 26, 2026

    信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。

  • Stev***aker
    May 20, 2026

    Solid diode for power rectification. Works well in switching circuits.

  • Bran***Lewis
    May 11, 2026

    Compact FPGA with good performance. Suitable for basic signal processing tasks.

  • Oliv***arris
    May 7, 2026

    Reliable I/O expander. Works well in embedded control applications.

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

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Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

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Delivery Method

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Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Analog Devices

AD8513ARU

Analog Devices
41D-AD8513ARU

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

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