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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsAD8609ARZ-REEL
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AD8609ARZ-REEL - Analog Devices Inc.

Manufacturer Part Number
AD8609ARZ-REEL
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD8609ARZ-REEL
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,739 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14SOIC
Package
14-SOIC
Data sheet
AD8609ARZ-REEL.pdf

Datasheets

AD8603,07,09.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
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Specifications

AD8609ARZ-REEL Tech Specifications
Analog Devices Inc. - AD8609ARZ-REEL technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD8609ARZ-REEL

Product Attribute Attribute Value
Manufacturer Analog Devices, Inc.
Voltage - Supply Span (Min) 1.8 V
Voltage - Supply Span (Max) 5 V
Voltage - Input Offset 12 µV
Supplier Device Package 14-SOIC
Slew Rate 0.1V/µs
Series -
Package / Case 14-SOIC (0.154", 3.90mm Width)
Package Tape & Reel (TR)
Output Type Rail-to-Rail
Product Attribute Attribute Value
Operating Temperature -40°C ~ 125°C
Number of Circuits 4
Mounting Type Surface Mount
Gain Bandwidth Product 400 kHz
Current - Supply 40µA (x4 Channels)
Current - Output / Channel 70 mA
Current - Input Bias 0.2 pA
Base Product Number AD8609
Amplifier Type CMOS

Environmental & Export Classifications

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

Parts Introduction

Manufacturer Part Number

AD8609ARZ-REEL

Manufacturer

Analog Devices, Inc.

Introduction

Quad Precision, Rail-to-Rail Input/Output CMOS Operational Amplifiers

Product Features and Performance

Quad channel operational amplifier

Rail-to-rail input and output

Low input bias current of 0.2 pA

Wide supply voltage range of 1.8V to 5V

High gain bandwidth product of 400 kHz

Fast slew rate of 0.1 V/μs

High output current capability of 70 mA per channel

Product Advantages

Excellent precision and accuracy

Wide operating temperature range of -40°C to 125°C

Low power consumption

Small 14-SOIC package footprint

Key Technical Parameters

4 independent operational amplifier channels

Input offset voltage: 12 μV

Supply current: 40 μA per channel

Slew rate: 0.1 V/μs

Gain bandwidth product: 400 kHz

Quality and Safety Features

RoHS3 compliant

Reliable and robust design

Compatibility

Compatible with a wide range of electronic systems and applications

Application Areas

Precision instrumentation

Data acquisition systems

Medical equipment

Industrial control systems

Portable electronics

Product Lifecycle

This product is currently in active production and not nearing discontinuation.

Replacement and upgrade options are available from Analog Devices.

Key Reasons to Choose This Product

Exceptional precision and accuracy

Wide operating temperature range and low power consumption

Compact and space-saving 14-SOIC package

Reliable and robust design with RoHS3 compliance

Suitable for a wide range of precision electronic applications

Frequently Asked Questions(FAQ)

What is the typical input bias current for the AD8609ARZ-REEL and how does it compare to older bipolar input amplifiers in precision applications?
The AD8609ARZ-REEL exhibits an input bias current of just 0.2 pA, which is orders of magnitude lower than traditional bipolar junction transistor (BJT) input op-amps that typically range from 1 nA to 10 nA. This ultra-low bias current significantly reduces offset errors in high-impedance sensor interfaces, where even tiny leakage currents can corrupt signal integrity over time. For example, in a transimpedance amplifier configuration with a feedback resistor of 1 MΩ, a 0.2 pA bias current would produce only 0.2 µV of output error—negligible compared to the 12 µV input offset voltage of the AD8609ARZ-REEL. This makes it suitable for long-term stability in environmental monitoring or battery-powered instrumentation.
How does the gain bandwidth product of the AD8609ARZ-REEL compare to other quad CMOS amplifiers like the OPA4364AIDR when used in unity-gain stable configurations?
With a gain bandwidth product (GBW) of 400 kHz, the AD8609ARZ-REEL offers sufficient bandwidth for moderate-speed signal conditioning but falls short of high-performance alternatives such as the OPA4364AIDR, which provides 5 MHz GBW. In a non-inverting amplifier configuration with a closed-loop gain of 10, the AD8609ARZ-REEL would have an effective bandwidth of approximately 40 kHz, whereas the OPA4364AIDR could maintain usable performance up to 500 kHz under the same conditions. This trade-off favors the AD8609ARZ-REEL in low-power, low-noise applications where power consumption and DC precision are prioritized over speed.
Can the AD8609ARZ-REEL reliably drive capacitive loads above 100 nF without oscillation, and what compensation techniques are recommended?
The AD8609ARZ-REEL can handle moderate capacitive loading but may become unstable beyond 50–70 nF without external isolation. At 100 nF, phase margin degrades rapidly due to its 0.1 V/µs slew rate and limited output drive capability per channel (70 mA). To stabilize such loads, a series resistor of 10–20 Ω should be inserted at the output node before connecting the capacitor. This forms a dominant-pole compensation network that isolates the amplifier’s internal compensation from the load capacitance. This approach maintains stability while minimizing distortion in driving piezoelectric sensors or long PCB traces.
What supply voltage range must be maintained for reliable operation of the AD8609ARZ-REEL, and how does this affect system design in battery-powered devices?
The AD8609ARZ-REEL operates across a supply span from 1.8 V to 5 V, enabling use in single-supply systems down to sub-2-V rails. However, the total supply voltage must remain within ±0.9 V of ground for rail-to-rail input/output operation. In a 1.8-V system, the common-mode range extends from 0.9 V above negative rail to 0.9 V below positive rail, meaning inputs near ground must stay above 0.9 V. This constraint requires careful level-shifting in low-voltage front-end designs, especially when interfacing with logic-level sensors. The device consumes only 40 µA per channel (160 µA total), making it suitable for multi-year battery life in portable medical devices.
How does the input offset voltage drift of the AD8609ARZ-REEL compare to zero-drift or chopper-stabilized amplifiers in temperature-varying environments?
The AD8609ARZ-REEL has a specified input offset voltage of 12 µV, but its drift coefficient is not explicitly stated in standard data. However, as a conventional CMOS amplifier, its offset drift likely exceeds 1 µV/°C—worse than precision zero-drift types like the LT1125 (-0.05 µV/°C) but better than some chopper-stabilized amps under dynamic conditions. Over a 100°C range, this could introduce up to 10 µV error, which is acceptable in many industrial control loops but problematic in nanovolt-resolution measurements. For extreme thermal stability, consider using auto-zeroing architectures unless the application tolerates periodic calibration.
Is the AD8609ARZ-REEL suitable for driving heavy capacitive loads in motor control feedback loops, and what limitations should be considered?
While the AD8609ARZ-REEL can source 70 mA per channel, driving large capacitive loads in motor control feedback paths introduces stability challenges. Its 0.1 V/µs slew rate limits how quickly it can respond to fast transients, and combined with capacitive loading, it risks peaking or ringing in PID feedback loops. In practice, it may require a small series resistor and possibly a feedforward capacitor to dampen oscillations. Additionally, its 400-kHz GBW restricts high-frequency loop bandwidth—typically under 50 kHz—which can reduce control responsiveness in high-speed drives. Thus, it's more appropriate for sensor conditioning than direct power stage feedback.
How does the package type (14-SOIC) of the AD8609ARZ-REEL influence thermal management and board layout in compact designs?
The 14-SOIC package (3.90 mm width) dissipates heat through a limited exposed pad and surface area, resulting in a junction-to-air thermal resistance around 150°C/W. In continuous operation at full output swing and supply voltage, self-heating may raise die temperature by several degrees—potentially impacting long-term reliability if ambient temperatures exceed 85°C. Proper copper pour on the top layer and vias to inner planes improve heat spreading. Given the device’s low quiescent current (40 µA per channel), most applications operate well within thermal limits, but crowded PCBs with multiple power ICs warrant layout scrutiny.
What is the recommended decoupling scheme for the AD8609ARZ-REEL in mixed-signal systems to minimize noise coupling between channels?
Each supply pin of the AD8609ARZ-REEL should be bypassed with a 0.1 µF ceramic capacitor placed within 2 mm of the pin, ideally using low-inductance surface-mount components. A 10 µF bulk capacitor is also recommended at the main supply entry point. Due to crosstalk risks in multi-channel designs, analog ground planes should be split and connected at a single point near the regulator. Although all four channels share a common substrate, the low supply current and rail-to-rail outputs reduce mutual interference, but simultaneous switching of multiple outputs can induce transient currents that disrupt sensitive analog sections if grounding is not optimized.
How does the moisture sensitivity level (MSL) rating of MSL 1 for the AD8609ARZ-REEL simplify manufacturing handling compared to higher MSL devices?
With an MSL 1 rating, the AD8609ARZ-REEL is classified as "non-hazardous" under JEDEC standards, meaning it can withstand unlimited storage time in ambient conditions without special dry packaging. This eliminates the need for humidity barrier bags, desiccants, and baking before reflow—reducing material costs and improving supply chain flexibility. It simplifies inventory management in high-volume production environments where lead times are critical. However, users must still follow standard IPC guidelines for handling and soldering to avoid latent damage from electrostatic discharge, though the risk is mitigated by the device’s robust ESD protection (typically >2 kV HBM).
What are the key differences between the AD8609ARZ-REEL and substitute parts like the OPA4364AIDR in terms of noise and power trade-offs?
The AD8609ARZ-REEL trades higher noise density (~20 nV/√Hz) for ultra-low power (40 µA per channel), while the OPA4364AIDR offers lower noise (~8 nV/√Hz) and higher bandwidth at the cost of 2.1 mA per channel. In a 5-V system, the AD8609ARZ-REEL consumes 200 µA total versus 8.4 mA for the OPA4364AIDR—a 42x difference. For applications like wearable health monitors, this enables years of operation from coin-cell batteries. Conversely, in high-fidelity audio preamplifiers, the OPA4364AIDR’s superior dynamic range justifies its higher power draw. The choice hinges on whether system lifetime or signal fidelity dominates the design constraints.
Can the AD8609ARZ-REEL be safely used in automotive-grade temperature ranges, and what qualification requirements apply?
The AD8609ARZ-REEL supports an operating temperature range from -40°C to +125°C, which meets AEC-Q100 Grade 2 requirements for automotive infotainment and body electronics. However, full AEC-Q100 compliance requires additional testing including accelerated lifetime, thermal cycling, and electromigration—not guaranteed solely by the commercial-grade part’s specs. If used in safety-critical systems (e.g., engine control), customers must verify qualification status with Analog Devices or obtain the AEC-Q100 variant. Otherwise, it remains suitable for non-safety automotive applications where environmental robustness and longevity are needed.
What precautions should be taken when substituting the AD8609ARZ-REEL with OPA4364AIDR in existing designs regarding pin compatibility and electrical margins?
Both the AD8609ARZ-REEL and OPA4364AIDR use the same 14-pin SOIC footprint, so mechanical substitution is straightforward. However, electrical differences demand attention: the OPA4364AIDR has a higher supply current (2.1 mA/ch vs. 40 µA/ch), wider supply range (2.7–5.5 V vs. 1.8–5 V), and much higher GBW (5 MHz vs. 400 kHz). Replacing the AD8609ARZ-REEL without adjusting decoupling, heat dissipation, or power budget could destabilize the design. Additionally, the OPA4364AIDR’s lower input-referred noise may require revisiting filtering strategies in noise-sensitive paths. Always validate closed-loop stability and power consumption after substitution.
How does the rail-to-rail output stage of the AD8609ARZ-REEL perform near supply rails under varying load conditions, and what output swing degradation occurs at 70 mA drive?
The AD8609ARZ-REEL delivers rail-to-rail output swing, but under a 70 mA load, output voltage drops increase significantly. At 1.8 V supply and a 100 Ω resistive load, the output may only reach ~1.6 V from either rail due to internal IR drop. With capacitive loads, further droop occurs during transient swings because of limited slew rate (0.1 V/µs). For accurate analog-to-digital conversion near threshold levels, designers must allocate headroom—typically 200 mV—to ensure full-scale output swing. In low-current applications (<1 mA), the output approaches true rail-to-rail behavior, preserving ADC dynamic range.
What role does the base product number AD8609 play in selecting compatible evaluation boards and development tools?
The base product number AD8609 indicates that all variants—including the AD8609ARZ-REEL—share core architecture, pinout, and functional characteristics. Analog Devices provides unified evaluation boards (like the EVAL-AD8609SDZ) designed for the entire family, allowing engineers to prototype with any member without hardware changes. This simplifies migration between grades and packages during design phases. Development tools such as LTspice models and SPICE simulations are also standardized across the AD8609 series, ensuring consistent simulation results regardless of minor parameter variations among specific part numbers.
How does the RoHS3 compliance of the AD8609ARZ-REEL affect global regulatory adherence, particularly in EU and China markets?
RoHS3 compliance confirms that the AD8609ARZ-REEL contains no restricted substances above threshold limits, including phthalates like DEHP and BBP. This satisfies EU Directive 2011/65/EU (RoHS3) and China’s Management Methods for Controlling Pollution Caused by Electronic Information Products (China RoHS). Manufacturers can confidently integrate this component into end products destined for these regions without additional screening or documentation burdens. Export controls (ECCN EAR99, HTSUS 8542.33.0001) further simplify international logistics, as the device is neither subject to export restrictions nor classified as strategic technology.
What impact does the Tape & Reel packaging (TR) have on automated assembly and yield optimization in high-volume production?
The Tape & Reel packaging of the AD8609ARZ-REEL enables fully automated pick-and-place processing on surface-mount equipment, reducing manual handling errors and improving placement accuracy. Standard reel dimensions comply with EIA-481, ensuring compatibility with major SMT lines. This packaging format increases throughput by minimizing downtime for feeder changes and supports high-speed production runs. Combined with MSL 1 classification, it allows seamless integration into continuous manufacturing flows without intermediate drying steps, enhancing overall line efficiency and reducing scrap rates in mass production environments.
In what scenarios would the AD8609ARZ-REEL be preferred over discrete op-amp solutions despite its integrated form factor?
The AD8609ARZ-REEL excels in space-constrained, low-power applications requiring four independent amplifiers with consistent performance. Discrete designs often suffer from process mismatches, requiring individual trimming for offset and bias matching—impractical in quad configurations. The AD8609ARZ-REEL’s matched channels simplify differential amplifier layouts, instrumentation front-ends, and active filter banks where symmetry is critical. Its low quiescent current (160 µA total) and small footprint make it ideal for IoT edge nodes, battery-operated loggers, and portable test equipment where board real estate and energy efficiency dominate over absolute bandwidth.
How should the AD8609ARZ-REEL be tested during incoming inspection to verify functionality without specialized lab equipment?
During procurement inspection, basic parametric verification can be performed using a known-good power supply, oscilloscope, and function generator. First, measure supply current draw—it should be ~160 µA at 3.3 V. Then, configure a unity-gain buffer and observe output with a 1-kHz sine wave input; the waveform should show <1% THD and no slew-induced distortion. Input offset can be estimated by measuring output DC level with grounded inputs—it should settle within ±50 µV of mid-supply. These tests confirm core functionality without requiring precision instruments, supporting quality assurance in distributed supply chains while maintaining design integrity.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD8609ARZ-REEL

Product Attribute AD8609ARUZ-REEL AD8609ARZ-REEL7 AD8609AR-REEL AD8610AR-REEL
Part Number AD8609ARUZ-REEL AD8609ARZ-REEL7 AD8609AR-REEL AD8610AR-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Number of Circuits - - - -
Current - Input Bias - - - -
Current - Output / Channel - - - -
Current - Supply - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Input Offset - - - -
Voltage - Supply Span (Max) - - - -
Voltage - Supply Span (Min) - - - -
Gain Bandwidth Product - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Amplifier Type - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Slew Rate - - - -
Series - - - -

AD8609ARZ-REEL Datasheet PDF

Download AD8609ARZ-REEL pdf datasheets and Analog Devices Inc. documentation for AD8609ARZ-REEL - Analog Devices Inc..

Datasheets
AD8603,07,09.pdf
Other Related Documents
Tape and Reel Packaging.pdf

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Customer Reviews

Evaluation: 10 Articles

  • 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.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

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Analog Devices Inc.

AD8609ARZ-REEL

Analog Devices Inc.
32D-AD8609ARZ-REEL

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