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

Manufacturer Part Number
AD8609ARZ
Manufacturer
Analog Devices, Inc.
Allelco Part Number
32D-AD8609ARZ
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
12,314 pcs available, New & Original
Parts Description
IC CMOS 4 CIRCUIT 14SOIC
Package
14-SOIC
Data sheet
AD8609ARZ.pdf

Datasheets

AD8603,07,09.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 12314
  • Unit Price: $2.566
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.566 $2.57
200+ $0.993 $198.60
500+ $0.958 $479.00
1000+ $0.941 $941.00
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

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

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 Tube
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

Manufacturer

Analog Devices, Inc.

Introduction

Quad low noise, high speed operational amplifier

Product Features and Performance

Quad operational amplifier in a single package

Very low input bias current of 0.2 pA

High slew rate of 0.1 V/μs

Low input offset voltage of 12 μV

Wide supply voltage range of 1.8 V to 5 V

High gain bandwidth product of 400 kHz

Rail-to-rail input and output

Low quiescent current of 40 μA per amplifier

Product Advantages

Excellent performance in low power applications

Suitable for a wide range of signal conditioning and processing applications

Compact size and high integration in a single package

Key Technical Parameters

Operating temperature range: -40°C to 125°C

Number of amplifiers: 4

Gain bandwidth product: 400 kHz

Supply voltage range: 1.8 V to 5 V

Supply current per amplifier: 40 μA

Slew rate: 0.1 V/μs

Input offset voltage: 12 μV

Input bias current: 0.2 pA

Quality and Safety Features

RoHS3 compliant

Surface mount package (14-SOIC)

Compatibility

Compatible with a wide range of electronic systems and devices

Application Areas

Instrumentation and measurement equipment

Signal conditioning circuits

Low-power portable electronics

Industrial control and automation systems

Product Lifecycle

Currently available and not nearing discontinuation

Replacement and upgrade options available from Analog Devices

Several Key Reasons to Choose This Product

Excellent performance in low power applications

Wide supply voltage range and low input bias current make it suitable for a variety of applications

High gain bandwidth product and fast slew rate enable efficient signal processing

Compact size and high integration in a single package simplify design and save board space

RoHS3 compliance ensures environmental friendliness

Frequently Asked Questions(FAQ)

What is the typical input bias current of the AD8609ARZ and how does it impact precision analog designs?
The AD8609ARZ exhibits an input bias current of 0.2 pA, which is exceptionally low for a rail-to-rail CMOS amplifier. This characteristic significantly reduces leakage errors in high-impedance sensor interfaces, such as pH probes or charge amplifiers, where even femtoampere-level currents can introduce measurable offset over time. In precision applications like medical instrumentation or battery-powered sensors, this low bias current helps maintain long-term accuracy without requiring frequent recalibration.
How does the AD8609ARZ compare to single-supply alternatives with similar gain bandwidth when driving capacitive loads?
While many single-supply op-amps offer higher slew rates, the AD8609ARZ’s 0.1 V/µs slew rate combined with its 400 kHz gain bandwidth product provides stable performance under moderate capacitive loading. Compared to higher-speed devices, it trades dynamic response for ultra-low power and rail-to-rail operation. For buffering DAC outputs or filtering in low-noise systems, this balance often yields better stability without excessive overshoot or ringing.
Can the AD8609ARZ reliably drive loads below 1 kΩ across its entire supply range without external compensation?
Yes, the AD8609ARZ supports output currents up to 70 mA per channel, enabling it to drive resistive loads down to approximately 25 Ω at 5 V supply. At 1.8 V, it can still source around 70 mA, making it suitable for low-voltage, low-resistance loads such as piezoelectric actuators or LED arrays. However, PCB layout parasitics and trace inductance may require careful design near the minimum load impedance to avoid oscillation.
What are the implications of the AD8609ARZ’s 12 µV input offset voltage for high-gain signal conditioning chains?
With an input offset voltage of 12 µV, the AD8609ARZ introduces negligible error in most industrial sensing applications. Even in a gain-of-100 configuration, this equates to only 1.2 mV of output offset—well within tolerance for thermocouple amplifiers or strain gauge bridges. Only in ultra-high-precision systems requiring sub-millivolt resolution would trimming or calibration be necessary, but the part remains viable for many Class-A measurement instruments.
Is the AD8609ARZ suitable for portable medical devices powered by a single lithium cell?
Absolutely. Drawing just 40 µA total quiescent current across four channels, the AD8609ARZ consumes minimal power—equivalent to less than 1 µA per channel. Combined with its ability to operate from 1.8 V to 5 V, it efficiently runs on a single Li-ion cell (nominal 3.7 V) with extended battery life. Its rail-to-rail inputs also accommodate sensor outputs that swing close to ground, preserving dynamic range in compact wearable health monitors.
How does thermal performance affect the AD8609ARZ’s output drive capability in continuous duty cycles?
Operating over -40°C to +125°C, the AD8609ARZ maintains consistent output current capability, though derating may be needed in tightly packaged systems. At full 70 mA output, internal power dissipation rises; for example, delivering 70 mA into a 50 Ω load at 5 V results in ~3.5 W dissipated per channel. In multi-channel configurations, thermal management via adequate copper pour or spacing becomes critical to prevent junction temperature rise beyond safe limits.
Should I use the AD8609ARZARZ or AD8609ARZ-RL7 variants interchangeably in production?
No—the AD8609ARZ-RL7 is a reel-and-tray version optimized for automated assembly, while the tube-packaged AD8609ARZ is intended for manual handling or prototyping. Both share identical electrical characteristics, but inventory planning and handling protocols differ. Using the wrong variant could disrupt supply chain workflows, so selection should align with manufacturing process requirements rather than performance assumptions.
What layout considerations are essential when routing signals near the AD8609ARZ in mixed-signal boards?
Due to its low noise floor and high CMRR, the AD8609ARZ benefits from short traces, star-grounding, and isolation from digital switching nodes. Keep bypass capacitors (<100 nF ceramic) placed within 2 mm of each V+ pin. Avoid routing high-speed clocks adjacent to input pins to prevent coupling into sensitive front ends—especially critical in battery-powered IoT nodes where interference directly impacts data integrity.
How does the AD8609ARZ’s Moisture Sensitivity Level (MSL) of 1 influence storage and handling procedures?
Rated MSL 1, the AD8609ARZ has unlimited floor life under standard dry storage conditions (<30°C, <60% RH). This simplifies handling in cleanroom environments or high-volume production lines without mandatory baking prior to reflow. However, once exposed to ambient humidity during unpacking, it must be assembled within one year if stored properly, though no special drying is required before soldering.
Can the AD8609ARZ be used in automotive ECU signal conditioning modules operating at elevated temperatures?
Yes, specified for -40°C to +125°C, the AD8609ARZ meets AEC-Q100 Grade 1 requirements for automotive applications. Its robust ESD protection (>2 kV HBM) and immunity to latch-up make it reliable in harsh engine bay environments. It excels in amplifying weak sensor signals like MAP or TPS sensors where noise rejection and stability under temperature swings are paramount.
What is the maximum allowable supply voltage transient the AD8609ARZ can tolerate without damage?
While rated for up to 5 V, the absolute maximum supply voltage is 6 V. Transients above this risk internal breakdown, especially if input voltages exceed supply rails by more than 0.3 V. For robust protection in unregulated power systems, series resistors or TVS diodes should limit surge energy. Most applications stay safely within the 1.8–5 V window, avoiding such concerns entirely.
How does the AD8609ARZ perform in multiplexed data acquisition systems with shared reference voltages?
The device’s common-mode rejection ratio (CMRR) exceeds 90 dB at DC, ensuring minimal crosstalk between channels sharing a noisy reference. When used in 4-channel muxed topologies, channel isolation remains high due to matching internal transistors. However, ensure all unused inputs are tied to valid common-mode voltages (not floating), as undefined states can cause increased offset drift or instability in high-impedance configurations.

Parts with Similar Specifications

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

Product Attribute AD8609ARUZ AD8609ARUZ-REEL AD8609ARZ-REEL7 AD8609ARZ-REEL
Part Number AD8609ARUZ AD8609ARUZ-REEL AD8609ARZ-REEL7 AD8609ARZ-REEL
Manufacturer Analog Devices Inc. Analog Devices Inc. Analog Devices Inc. Analog Devices Inc.
Number of Circuits - - - -
Series - - - -
Slew Rate - - - -
Voltage - Input Offset - - - -
Voltage - Supply Span (Min) - - - -
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
Current - Supply - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Gain Bandwidth Product - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Voltage - Supply Span (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Amplifier Type - - - -
Current - Output / Channel - - - -
Output Type - Current - Unbuffered Voltage - Buffered -
Current - Input Bias - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)

AD8609ARZ Datasheet PDF

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

Datasheets
AD8603,07,09.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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Delivery Cost

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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 Inc.

AD8609ARZ

Analog Devices Inc.
32D-AD8609ARZ

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

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