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HomeProductsIntegrated Circuits (ICs)Linear - Amplifiers - Instrumentation, OP Amps, Buffer AmpsAD8609ARZ-REEL7
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AD8609ARZ-REEL7 - Analog Devices Inc.

Manufacturer Part Number
AD8609ARZ-REEL7
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD8609ARZ-REEL7
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
9,971 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14SOIC
Package
14-SOIC
Data sheet
AD8609ARZ-REEL7.pdf

Datasheets

AD8603,07,09.pdf

Other Related Documents

Tape and Reel Packaging.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 9971
  • Unit Price: $2.363
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.363 $2.36
30+ $2.071 $62.13
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

AD8609ARZ-REEL7 Tech Specifications
Analog Devices Inc. - AD8609ARZ-REEL7 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices Inc. - AD8609ARZ-REEL7

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

AD8609ARZ-REEL7 Image
AD8609ARZ-REEL7 (1)

Manufacturer Part Number

AD8609ARZ-REEL7

Manufacturer

Analog Devices, Inc.

Introduction

Quad Operational Amplifier, Rail-to-Rail, Low Noise, Low Offset Voltage

Product Features and Performance

Quad operational amplifier with rail-to-rail input and output

Low input offset voltage of 12 μV

Low input bias current of 0.2 pA

High gain bandwidth of 400 kHz

Slew rate of 0.1 V/μs

Wide supply voltage range from 1.8 V to 5 V

Low quiescent current of 40 μA per channel

Excellent temperature performance from -40°C to 125°C

Product Advantages

Versatile quad op-amp design suitable for a wide range of applications

Exceptional low-noise and low-offset performance for precision instrumentation

Wide operating voltage range allows use in battery-powered and portable devices

Compact 14-SOIC package for space-constrained designs

Key Technical Parameters

Number of Circuits: 4

Gain Bandwidth Product: 400 kHz

Voltage Supply Span (Min/Max): 1.8 V to 5 V

Current Supply: 40 μA per channel

Slew Rate: 0.1 V/μs

Voltage Input Offset: 12 μV

Amplifier Type: CMOS

Current Output / Channel: 70 mA

Current Input Bias: 0.2 pA

Quality and Safety Features

RoHS3 compliant

Designed and manufactured to Analog Devices' high-quality standards

Compatibility

Surface mount 14-SOIC package

Suitable for a wide range of electronic applications

Application Areas

Portable and battery-powered devices

Precision instrumentation and measurement equipment

Signal conditioning and processing circuits

Sensor interfaces

Audio and video applications

Product Lifecycle

Current product, not nearing discontinuation

Replacement and upgrade options available from Analog Devices

Key Reasons to Choose This Product

Exceptional low-noise and low-offset performance for precision applications

Wide operating voltage range and low power consumption for portable devices

Quad op-amp design provides flexibility and integration in compact designs

Proven reliability and quality from a trusted semiconductor manufacturer

Availability of replacement and upgrade options ensures long-term support

Frequently Asked Questions(FAQ)

How does the AD8609ARZ-REEL7 perform in low-power battery-operated applications compared to other CMOS amplifiers with similar supply ranges?
The AD8609ARZ-REEL7 draws only 40 µA per channel (total 160 µA for all four amplifiers), making it highly efficient for battery-powered systems. This ultra-low quiescent current enables extended operation in devices like wearables or IoT sensors where power conservation is critical. When compared to traditional op-amps that often require tens of microamps per channel, this device offers significantly improved energy efficiency without sacrificing rail-to-rail output swing or input common-mode range down to 1.8 V.
What are the implications of the AD8609ARZ-REEL7’s 0.1 V/µs slew rate and 400 kHz gain bandwidth product when used in active filtering at higher gains?
With a gain-bandwidth product of 400 kHz, the AD8609ARZ-REEL7 can sustain unity-gain stability but begins to roll off beyond approximately 10x gain. At 100x closed-loop gain, usable bandwidth drops below 4 kHz—limiting its suitability for precision audio or sensor conditioning filters requiring wider dynamic response. Designers must consider this trade-off carefully; while sufficient for DC measurement and slow-response signal chains, higher-frequency filtering tasks may necessitate alternative compensation strategies or different amplifier topologies.
Can the AD8609ARZ-REEL7 drive capacitive loads effectively in driving actuators or long cable runs without instability?
The AD8609ARZ-REEL7 has limited internal phase margin under large capacitive loading—typically stable up to ~1 nF with unity feedback. Beyond this, external isolation resistors or series damping networks are recommended to prevent oscillation. Unlike some high-speed amplifiers with built-in compensation, this device relies on proper PCB layout and feedback design for stability. In applications involving motor drivers or long interconnects, adding a small resistor (e.g., 5–10 Ω) in series with the output improves robustness against parasitic capacitance.
How does the input bias current of 0.2 pA influence circuit design when using high-impedance sensors with the AD8609ARZ-REEL7?
At 0.2 pA, the input bias current is negligible for most practical sensor interfaces—even over years of operation, charge injection into high-impedance nodes remains minimal. For example, across a 1 GΩ source impedance, the resulting voltage offset drift would be less than 0.2 µV/year. However, in extreme cases involving TΩ-range impedances or ultra-low-noise front ends, even this level could introduce measurable errors over time. Still, it outperforms many JFET-input stages and matches the performance of modern CMOS designs.
Is the AD8609ARZ-REEL7 suitable for industrial temperature environments (-40°C to 125°C) when mounted on standard PCBs?
Yes, the AD8609ARz-REEL7 is specified over -40°C to 125°C, meeting stringent industrial requirements. Its CMOS architecture maintains consistent offset voltage and bias current across this range, though offset drift increases slightly at elevated temperatures. Careful attention to thermal gradients and solder joint integrity during assembly ensures reliable operation. The MSL 1 rating also means it handles reflow soldering well, supporting automated manufacturing processes.
How does the output current capability of 70 mA per channel compare to the total supply current draw in typical gain configurations?
Despite being capable of sourcing 70 mA per channel, the actual output current depends heavily on load and duty cycle. Under normal conditions—such as driving a 1 kΩ load with moderate swing—the current drawn from the supply remains close to 40 µA per channel due to the amplifier's low quiescent power. The high short-circuit current capability is primarily useful for transient handling or driving inductive loads briefly, not sustained high-current delivery, which would rapidly deplete battery life.
What precautions should be taken when cascading multiple stages using the AD8609ARZ-REEL7 in a precision data acquisition system?
Cascading stages introduces cumulative offset voltages and noise. Since each AD8609ARZ-REEL7 contributes 12 µV maximum input offset, four cascaded units could exhibit up to 48 µV error—significant in sub-millivolt measurements. Additionally, bandwidth reduction compounds across stages. To mitigate this, use single-stage amplification where possible, or implement offset nulling techniques if high accuracy is required. Guarding input traces and minimizing trace resistance further reduces thermoelectric effects that exacerbate offset drift.
How does the rail-to-rail input/output feature of the AD8609ARZ-REEL7 impact headroom in single-supply, low-voltage designs?
Rail-to-rail I/O allows full utilization of a 1.8 V supply rail, enabling signals to reach within millivolts of both rails without clipping. This maximizes dynamic range in compact battery-powered systems. For instance, in a 2.5 V single-supply ADC interface, the output can span from 2.45 V to 0.05 V, preserving signal fidelity throughout the chain. However, designers must still allow for small overdrive margins when switching between input and output transitions to avoid slewing delays.
Are there any layout considerations specific to the AD8609ARZ-REEL7 that affect performance in mixed-signal systems?
Yes. Due to its CMOS construction and very low input currents, the AD8609ARZ-REEL7 is sensitive to leakage paths and parasitic coupling. Keep analog traces away from digital clock lines, and use guard rings around high-impedance inputs. Ground planes should be unbroken beneath the IC, and bypass capacitors (0.1 µF ceramic) must be placed within 1 cm of each power pin. The 14-pin SOIC footprint benefits from symmetrical placement relative to adjacent components to balance thermal profiles.
Why might someone choose the AD8609ARZ-REEL7 over discrete MOSFET op-amp solutions in space-constrained designs?
The AD8609ARZ-REEL7 integrates four independent amplifiers in a 14-SOIC package, offering far greater density than discrete alternatives. Discrete implementations require additional biasing networks and exhibit inconsistent matching between stages. Moreover, the integrated version provides matched propagation delays, common-mode rejection, and power supply rejection ratios optimized through process calibration. This integration reduces board real estate, simplifies calibration, and enhances reliability in multi-channel applications like sensor arrays or motor control.
How does the supply voltage range of 1.8 V to 5 V influence compatibility with modern microcontrollers and power management ICs?
The AD8609ARZ-REEL7 operates directly from common microcontroller logic levels (e.g., 3.3 V or 1.8 V), eliminating the need for level-shifting circuitry. This seamless interfacing simplifies system architecture in embedded platforms such as ARM Cortex-M devices or ESP32 modules. It also aligns with Li-ion batteries (down to 3.0 V after depletion) and energy-harvesting systems operating near 1.8 V, reducing reliance on LDO regulators and improving overall efficiency.
What role does the 12 µV maximum input offset voltage play in high-precision instrumentation scenarios using the AD8609ARZ-REEL7?
A 12 µV offset represents excellent precision for many applications—equivalent to 16-bit resolution at a 2 V full-scale input. While not suitable for nanovolt-level measurements, it suffices for strain gauges, thermocouples, and pressure transducers where signal magnitudes exceed hundreds of microvolts. External trimming or chopper-stabilized alternatives would be needed for sub-µV accuracy, but for most industrial sensing, this offset level is acceptable without additional compensation.
How does the cut tape and Digi-Reel packaging affect inventory management and prototyping workflows involving the AD8609ARZ-REEL7?
The AD8609ARZ-REEL7 comes in standard reel formats compatible with pick-and-place automation, streamlining production runs. Cut tape variants facilitate smaller batch ordering ideal for prototyping or low-volume designs. Both formats comply with RoHS3 and have unlimited shelf life under storage guidelines (MSL 1). Suppliers can distribute them efficiently without special handling, reducing lead times and supporting agile development cycles.
What are the key differences between the AD8609 and base product number AD8609 in terms of availability and configuration?
The AD8609ARZ-REEL7 specifies a particular variant: 14-SOIC package, rail-to-rail I/O, and commercial-industrial temperature grade. Other packages (like TSSOP or DFN) exist under the same base part number but differ in pin count, thermal characteristics, or pinouts. Always verify exact electrical parameters—especially slew rate, GBW, and supply current—across variants, as minor changes in fabrication can alter performance. Using the full model ensures correct selection for your application constraints.
When comparing the AD8609ARZ-REEL7 to the OPA376 or MCP6L91, which device offers better power efficiency for always-on sensor nodes?
The AD8609ARZ-REEL7 consumes 40 µA per channel, whereas the OPA376 uses about 150 µA and the MCP6L91 draws ~10 µA. While the MCP6L91 is more power-efficient, it lacks rail-to-rail output and has lower bandwidth (100 kHz). The AD8609ARZ-REEL7 strikes a balance: higher power than ultra-low-power devices but superior speed, output swing, and integration density. For always-on nodes needing moderate bandwidth and full rail operation, it often provides the best compromise between performance and energy use.
How does the moisture sensitivity level (MSL 1) benefit end-of-life or legacy system redesign efforts using the AD8609ARZ-REEL7?
MSL 1 indicates the component can withstand standard reflow profiles without baking, simplifying rework and retrofitting in existing designs. This reduces risk of moisture-related defects during assembly, especially important when integrating new components into older PCB stacks with limited thermal budget. Combined with RoHS3 compliance, it supports sustainable electronics practices and eases migration paths for legacy systems transitioning to compliant materials.

Parts with Similar Specifications

The three parts on the right have similar specifications to Analog Devices Inc. AD8609ARZ-REEL7

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

AD8609ARZ-REEL7 Datasheet PDF

Download AD8609ARZ-REEL7 pdf datasheets and Analog Devices Inc. documentation for AD8609ARZ-REEL7 - 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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AD8609ARZ-REEL7 Image

AD8609ARZ-REEL7

Analog Devices Inc.
32D-AD8609ARZ-REEL7

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

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