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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsAD8512BRZ-REEL7
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AD8512BRZ-REEL7 - Analog Devices Inc.

Manufacturer Part Number
AD8512BRZ-REEL7
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD8512BRZ-REEL7
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
3,924 pcs available, New & Original
Parts Description
IC OPAMP JFET 2 CIRCUIT 8SOIC
Package
8-SOIC
Data sheet
AD8512BRZ-REEL7.pdf

Datasheets

AD8510,12,13.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 3924
  • Unit Price: $8.356
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $8.356 $8.36
10+ $7.41 $74.10
30+ $6.869 $206.07
100+ $6.396 $639.60
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AD8512BRZ-REEL7 Tech Specifications
Analog Devices Inc. - AD8512BRZ-REEL7 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD8512BRZ-REEL7

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply Span (Min) 10 V
Voltage - Supply Span (Max) 30 V
Voltage - Input Offset 80 µV
Supplier Device Package 8-SOIC
Slew Rate 20V/µs
Series -
Package / Case 8-SOIC (0.154", 3.90mm Width)
Package Tape & Reel (TR)
Output Type -
Product Attribute Attribute Value
Operating Temperature -40°C ~ 125°C
Number of Circuits 2
Mounting Type Surface Mount
Gain Bandwidth Product 8 MHz
Current - Supply 2.2mA (x2 Channels)
Current - Output / Channel 70 mA
Current - Input Bias 25 pA
Base Product Number AD8512
Amplifier Type J-FET

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99

Parts Introduction

AD8512BRZ-REEL7 Image
AD8512BRZ-REEL7 (1)

Manufacturer Part Number

AD8512BRZ-REEL7

Manufacturer

Analog Devices, Inc.

Introduction

High-speed, low-noise, JFET-input operational amplifier

Product Features and Performance

High-speed, low-noise JFET-input operational amplifier

Dual-channel design with independent power supplies

High gain-bandwidth product of 8 MHz

Low input bias current of 25 pA

Wide supply voltage range of 10 V to 30 V

Low input offset voltage of 80 μV

High output current of 70 mA per channel

Fast slew rate of 20 V/μs

SOIC-8 package for space-saving design

Product Advantages

Excellent high-frequency performance

Precise signal conditioning and amplification

Low power consumption

Wide operating temperature range

Compact surface-mount package

Key Technical Parameters

Gain Bandwidth Product: 8 MHz

Supply Voltage Range: 10 V to 30 V

Input Offset Voltage: 80 μV

Input Bias Current: 25 pA

Output Current per Channel: 70 mA

Slew Rate: 20 V/μs

Operating Temperature Range: -40°C to 125°C

Quality and Safety Features

RoHS3 compliant

Reliable and durable construction

Thorough testing and quality control

Compatibility

Suitable for a wide range of instrumentation and control applications

Application Areas

Precision measurement and control systems

High-speed data acquisition

Analog signal conditioning

Professional audio and video equipment

Industrial automation and process control

Product Lifecycle

Currently in production

Mature product with long-term availability

Replacement parts and upgrades readily available

Several Key Reasons to Choose This Product

Excellent high-frequency performance for demanding applications

Low noise and input bias current for precise signal conditioning

Wide supply voltage range and high output current capability

Compact SOIC-8 package for space-saving design

Reliable and durable construction with RoHS3 compliance

Compatibility with a wide range of instrumentation and control applications

Frequently Asked Questions(FAQ)

What are the key performance limitations of the AD8512BRZ-REEL7 when used in precision analog signal conditioning applications requiring low input offset voltage?
The AD8512BRZ-REEL7 exhibits a typical input offset voltage of 80 µV, which may introduce measurable errors in high-gain or low-level signal amplification scenarios. While this is suitable for many general-purpose analog circuits, designs demanding sub-10 µV precision must account for long-term drift and temperature coefficient effects. The JFET-input architecture provides excellent bias current stability, but the offset voltage places practical limits on DC accuracy in instrumentation front ends without calibration or trimming.
How does the slew rate and gain bandwidth product of the AD8512BRZ-REEL7 influence its suitability for driving capacitive loads in industrial sensor interfaces?
With a gain bandwidth product of 8 MHz and a slew rate of 20 V/µs, the AD8512BRZ-REEL7 can effectively drive moderate capacitive loads in sensor interface applications such as piezoelectric transducers or capacitive displacement sensors. However, at higher frequencies near the unity-gain bandwidth, phase margin degradation may occur, potentially leading to instability. Designers should ensure adequate phase compensation, especially when operating near full output swing with significant load capacitance.
In what design scenarios would the AD8512BRZ-REEL7 be preferred over a bipolar-input op-amp like the AD8605, considering power supply constraints and noise performance?
The AD8512BRZ-REEL7 is advantageous in single-supply applications where input common-mode range extends close to the negative rail due to its JFET input stage. Compared to bipolar op-amps such as the AD8605, it offers superior input bias current (25 pA vs. typically nA levels), making it ideal for high-impedance sensor interfaces. However, JFET inputs exhibit higher 1/f noise than modern CMOS alternatives, so noise-critical applications may require evaluation of trade-offs between bias current and noise spectral density.
What thermal and power considerations should be addressed when using both channels of the AD8512BRZ-REEL7 in a compact PCB layout with limited airflow?
Each channel of the AD8512BRZ-REEL7 draws 2.2 mA from the supply, resulting in a total quiescent current of 4.4 mA across both channels. At a 15 V supply, this equates to approximately 66 mW dissipation per package. In tightly packed layouts with poor thermal vias or enclosed enclosures, cumulative heat buildup could approach the junction-to-ambient thermal resistance limit. Designers should verify that ambient temperatures remain within the -40°C to 125°C range while accounting for derating curves in continuous operation.
Can the AD8512BRZ-REEL7 safely source or sink 70 mA per channel as specified, and what layout precautions are necessary to maintain reliability?
Yes, the AD8512BRZ-REEL7 specifies an output current capability of ±70 mA per channel under normal operating conditions. This enables driving low-impedance loads or short-circuit protection functions. However, sustained high-current operation increases internal power dissipation and may elevate die temperature significantly. To avoid reliability issues, designers must implement proper PCB trace width, copper pour areas, and consider thermal relief pads. Additionally, transient overloads beyond specification may cause latch-up or permanent damage despite the robust output stage design.
How does the input bias current of the AD8512BRZ-REEL7 affect source impedance matching in battery-powered data acquisition systems?
The typical input bias current of 25 pA allows the AD8512BRZ-REEL7 to interface with very high-resistance sources such as photodiodes or resistive strain gauges without significant loading error. For example, at 1 MΩ source impedance, the resulting voltage drop due to bias current is only 25 µV—negligible in most cases. This makes the device well-suited for low-power, high-impedance sensing in portable DAQ systems where minimizing current draw is critical for battery life.
What are the implications of the 8 MHz gain bandwidth product when implementing a transimpedance amplifier configuration with the AD8512BRZ-REEL7?
In a transimpedance setup, the gain bandwidth product limits the achievable feedback resistor value before peaking or oscillation occurs. For instance, at unity gain, the bandwidth is 8 MHz; however, in non-inverting configurations with feedback resistors exceeding ~1 kΩ, the closed-loop bandwidth drops inversely with gain. A 10 kΩ feedback resistor yields approximately 800 kHz bandwidth. Exceeding this without compensation risks instability, particularly with photodiode capacitance present in the loop.
How does the wide supply voltage range (10 V to 30 V) impact system design flexibility when integrating the AD8512BRZ-REEL7 into legacy or variable-voltage industrial control systems?
The AD8512BRZ-REEL7 supports a supply span from 10 V to 30 V, enabling compatibility with both 12 V and 24 V industrial standards without component substitution. This broad range simplifies inventory management and reduces redesign effort in mixed-voltage environments. However, internal biasing structures must remain stable across this range, and output swing limitations increase relative to supply headroom—especially near the rails. Designers should verify output saturation margins in worst-case voltage scenarios.
What precautions are necessary to prevent latch-up during ESD events when handling the AD8512BRZ-REEL7 in production test environments?
Although not specifically rated for HBM ESD protection, the AD8512BRZ-REEL7 contains built-in protection diodes to clamp inputs within the supply rails. However, excessive differential voltage beyond ±0.3 V without series resistance risks damaging the JFET gate oxide. Implementing current-limiting resistors (≥1 kΩ) on inputs and ensuring proper grounding procedures during assembly minimizes latch-up risk. Additionally, adherence to MSL 1 handling guidelines prevents moisture-related failures during reflow.
Why might a designer choose the AD8512BRZ-REEL7 over a lower-cost bipolar op-amp despite its higher unit price in volume production?
Despite a higher per-unit cost, the AD8512BRZ-REEL7 justifies selection in applications where input bias current directly impacts measurement accuracy or power consumption. Its 25 pA bias current enables direct connection to high-impedance sensors without buffering stages, reducing component count and simplifying layout. Over system lifetime, this efficiency can outweigh initial BOM savings, particularly in battery-operated or precision measurement equipment where signal integrity and reliability dominate total cost of ownership.
How does the operating temperature range (-40°C to 125°C) support use in automotive or aerospace environments, and what derating factors apply?
The extended operating temperature range up to 125°C ensures reliable performance in harsh environments such as automotive powertrain electronics or downhole logging tools. However, parameters like input offset voltage and bias current exhibit temperature coefficients that can increase over time. For mission-critical applications, designers should consult long-term drift specifications and perform worst-case corner analysis. Thermal cycling may also affect solder joint integrity, necessitating robust PCB stackup and component placement strategies.
What are the advantages of using the AD8512BRZ-REEL7 in single-supply, low-noise audio preamplifier stages compared to dual-supply alternatives?
As a JFET-input device, the AD8512BRZ-REEL7 maintains high input impedance and low distortion when powered from a single supply, avoiding the need for AC-coupling capacitors that introduce phase shift and DC blocking artifacts. Its rail-to-rail output swing (within 1.5 V) maximizes dynamic range in 12–30 V systems. While not optimized for ultra-low noise audio (<10 nV/√Hz), it provides sufficient performance for sensor-driven microphone preamps or line-level buffers where simplicity and stability outweigh absolute noise figures.
How does the package type (8-SOIC) influence thermal performance and routing density in space-constrained printed circuit board designs?
The 8-SOIC package measures 3.9 mm width with a standard pinout, offering moderate footprint efficiency. Its exposed pad variant (if available) enhances heat dissipation via bottom-side soldering, though the base model relies primarily on convection and conduction through leads. In dense layouts, placing the AD8512BRZ-REEL7 away from other heat-generating components helps maintain junction temperatures below 125°C. Routing traces adjacent to the package requires careful attention to creepage distances due to the plastic mold compound dielectric strength.
What considerations apply when cascading multiple stages using the AD8512BRZ-REEL7 in a multi-channel signal chain, such as in industrial process monitoring?
When cascading stages, the 8 MHz bandwidth per stage may accumulate phase lag across channels, especially if each stage contributes significant gain above 1 MHz. For a two-stage amplifier with 10x gain each, the effective bandwidth drops to ~800 kHz. Synchronization between channels is generally not required unless sampling correlated signals, but designers must ensure adequate decoupling and minimize crosstalk through ground plane isolation and guard rings.
How does the RoHS compliance status of the AD8512BRZ-REEL7 affect global market entry, particularly in regions with strict hazardous substance regulations?
Fully compliant with RoHS3 directives, the AD8512BRZ-REEL7 contains no restricted substances above regulatory thresholds, facilitating unrestricted distribution in Europe, North America, and Asia-Pacific markets. This eliminates the need for additional documentation or exemptions, streamlining certification processes for medical, automotive (non-critical), and consumer electronics end products. However, supply chain transparency remains essential to confirm consistent compliance across manufacturing batches.
What role does the moisture sensitivity level (MSL 1) play during assembly, and how does it compare to similar parts with higher MSL ratings?
With an MSL rating of 1 (unlimited shelf life under storage conditions), the AD8512BRZ-REEL7 does not require bake-out prior to reflow soldering, unlike higher-MSL components vulnerable to moisture absorption. This simplifies inventory logistics and reduces handling overhead in high-volume production. Nevertheless, exposure to humid environments beyond recommended limits (>60% RH, <30°C) can still degrade bond wire reliability over time, so controlled dry packaging remains advisable for long-term stockpiling.
In what ways does the AD8512BRZ-REEL7’s architecture differ from CMOS-based amplifiers in terms of linearity and speed trade-offs?
Unlike CMOS op-amps that prioritize low power and rail-to-rail inputs, the JFET-input AD8512BRZ-REEL7 sacrifices some input capacitance matching for superior linearity in high-impedance applications and faster settling in large-signal transitions due to its higher slew rate (20 V/µs). However, JFET gates are susceptible to static discharge, requiring careful handling. Additionally, while CMOS devices often achieve higher bandwidth at lower voltages, the AD8512 maintains consistent performance across a wider supply range, making it preferable in rugged industrial settings.
Should external compensation capacitors be added to the AD8512BRZ-REEL7 in high-gain, low-frequency applications, and why or why not?
Generally, no external compensation is needed because the AD8512BRZ-REEL7 is internally compensated for unity-gain stability. Adding unnecessary capacitors can reduce phase margin further, introducing overshoot or ringing. However, in high-gain configurations (e.g., >100), slight lead inductance from long traces or poor layout can destabilize the loop. In such cases, minimizing parasitic inductance through short, wide traces and placing bypass capacitors close to the power pins suffices without adding discrete compensation.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD8512BRZ-REEL7

Product Attribute AD8512BR-REEL7 AD8512BRZ-REEL AD8512ARZ-REEL7 AD8512BR-REEL
Part Number AD8512BR-REEL7 AD8512BRZ-REEL AD8512ARZ-REEL7 AD8512BR-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Voltage - Supply Span (Min) - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Input Offset - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Current - Output / Channel - - - -
Gain Bandwidth Product - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Amplifier Type - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Current - Supply - - - -
Number of Circuits - - - -
Slew Rate - - - -
Voltage - Supply Span (Max) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Current - Input Bias - - - -

AD8512BRZ-REEL7 Datasheet PDF

Download AD8512BRZ-REEL7 pdf datasheets and Analog Devices Inc. documentation for AD8512BRZ-REEL7 - Analog Devices Inc..

Datasheets
AD8510,12,13.pdf
Other Related Documents
Tape and Reel Packaging.pdf
Design Resources
Precision, Bipolar Configuration for the AD5546/56.pdf Precision, Bipolar, Configuration for AD5547/AD555.pdf

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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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AD8512BRZ-REEL7 Image

AD8512BRZ-REEL7

Analog Devices Inc.
32D-AD8512BRZ-REEL7

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

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