Analog Devices

AD8606ARZ - Dual Precision CMOS Rail-to-Rail Op Amp | Analog Devices

MPN: AD8606ARZ ✓ Active
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2.7 V to 5.5 V Vdss 1 pA Id 8-SOIC Package
From $1.85 USD / Unit
MOQ: 1 |
Price updated: 2026-08-21
Volume Pricing
Qty Unit Price Extended
1 $2.85 $2.85
10 $2.56 $25.60
100 $2.28 $228.00
500 $2.05 $1,025.00
1,000 $1.85 $1,850.00
ℹ️ All prices are in USD

Drop-in alternatives for AD8606ARZ — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

AD8606ARZ-REEL7

✅ Drop-In
📦 8-SOIC
Same die, tape-and-reel packaging

📋 Reference alternative (not in catalog)

OPA2376

✅ Drop-In
📦 8-SOIC
Similar specs, slightly higher bias current and noise

📋 Reference alternative (not in catalog)

MCP6272

✅ Drop-In
📦 8-SOIC
Lower bandwidth (2 MHz), higher offset voltage (3 mV)

📋 Reference alternative (not in catalog)

LMV772

✅ Drop-In
📦 8-SOIC
Lower supply voltage (2.7V to 5V), higher noise

📋 Reference alternative (not in catalog)

ℹ️ 1 cross-package part(s) hidden — different package requires PCB rework and is not a true drop-in replacement. Contact us if you need cross-package suggestions.

AD8606ARZ Maximum Ratings & Electrical Characteristics

Number of Channels 2
Supply Voltage Range 2.7 V to 5.5 V
Gain Bandwidth Product 10 MHz
Slew Rate 5 V/µs
Input Offset Voltage (max) 65 µV
Input Bias Current (typ) 1 pA
Input Voltage Noise Density 6.5 nV/√Hz
Input Current Noise Density 0.2 fA/√Hz
Rail-to-Rail Input Yes
Rail-to-Rail Output Yes
Quiescent Current per Amplifier 1.3 mA
Operating Temperature Range -40°C to +125°C
Package 8-SOIC
Mounting Type Surface Mount
RoHS Status Compliant

AD8606ARZ Pin Configuration

SOP-8 Package Pinout Diagram SOP-8 8-pin small outline, 3.9x4.9mm, P1.27mm, JEDEC MS-012. 1 8 2 7 3 6 4 5 SOP-8
Pin 1 OUT A — Output of amplifier A
Pin 2 -IN A — Inverting input of amplifier A
Pin 3 +IN A — Non-inverting input of amplifier A
Pin 4 V- — Negative supply (ground in single-supply operation)
Pin 5 +IN B — Non-inverting input of amplifier B
Pin 6 -IN B — Inverting input of amplifier B
Pin 7 OUT B — Output of amplifier B
Pin 8 V+ — Positive supply

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for AD8606ARZ Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this component. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

AD8606ARZ is suitable for 6 applications: Photodiode Amplifier, Battery-Powered Instrumentation, Active Filters, Audio Signal Conditioning, Sensor Signal Conditioning, Medical Instrumentation.

🔧

Photodiode Amplifier

The AD8606ARZ's low input bias current (1 pA) and low current noise (0.2 fA/√Hz) make it ideal for transimpedance amplifiers in photodiode applications. The rail-to-rail output allows direct interfacing with ADCs, and the 10 MHz bandwidth supports high-speed optical sensing. In a typical circuit, the photodiode is connected to the inverting input with a feedback resistor, and the low bias current minimizes dark current errors, ensuring accurate light measurement.

📱

Battery-Powered Instrumentation

With a supply range of 2.7V to 5.5V and quiescent current of 1.3 mA per amplifier, the AD8606ARZ is well-suited for portable instruments. The rail-to-rail input and output maximize signal swing in low-voltage systems, while the low offset voltage (65 µV) ensures accurate measurements. In a battery-powered data logger, the AD8606 can condition sensor signals before ADC conversion, and its low power consumption extends battery life.

🎧

Active Filters

The 10 MHz gain-bandwidth product and 5 V/µs slew rate of the AD8606ARZ enable the implementation of active filters with cutoff frequencies up to several hundred kHz. The low noise and distortion characteristics preserve signal integrity in audio and communication systems. For a second-order low-pass filter, the AD8606 can be configured as a Sallen-Key topology, and the rail-to-rail output allows the filter to drive subsequent stages without clipping.

🎧

Audio Signal Conditioning

The AD8606ARZ's low voltage noise (6.5 nV/√Hz) and low distortion make it suitable for audio preamplifiers and headphone amplifiers. The rail-to-rail output can drive headphones directly in low-power designs, and the wide bandwidth ensures accurate reproduction of audio frequencies. In a portable audio player, the AD8606 can buffer the DAC output and drive the headphone jack, providing clean, low-noise audio.

🧩

Sensor Signal Conditioning

The AD8606ARZ is ideal for conditioning signals from various sensors, including temperature, pressure, and strain gauges. Its low offset voltage and low drift ensure accurate amplification of small sensor signals, while the rail-to-rail input allows direct connection to sensors with outputs near the supply rails. In a temperature measurement system, the AD8606 can amplify a thermocouple signal before ADC conversion, and its low power consumption is beneficial for remote sensing nodes.

💊

Medical Instrumentation

The AD8606ARZ's precision and low noise make it suitable for medical devices such as ECG and pulse oximeters. The low input bias current minimizes electrode offset errors, and the rail-to-rail output allows direct interfacing with microcontrollers. In an ECG front-end, the AD8606 can amplify the small biopotential signals, and its low power consumption is critical for wearable devices. The device's wide temperature range (-40°C to +125°C) ensures reliable operation in clinical environments.

What is the supply voltage range of AD8606ARZ?
The AD8606ARZ operates from a single supply voltage of 2.7V to 5.5V. According to the Analog Devices datasheet, this range supports both 3.3V and 5V systems, making it versatile for battery-powered and industrial applications.
What is the input offset voltage of AD8606ARZ?
The maximum input offset voltage of the AD8606ARZ is 65 µV. This low offset is achieved through Analog Devices' precision CMOS process, ensuring accurate signal amplification in precision applications such as sensor interfaces and medical instrumentation.
Is AD8606ARZ a rail-to-rail op amp?
Yes, the AD8606ARZ features rail-to-rail input and output stages. This allows the output to swing within millivolts of the supply rails, maximizing dynamic range in single-supply applications. The input common-mode range extends beyond the rails, as specified in the datasheet.
What is the gain bandwidth product of AD8606ARZ?
The gain bandwidth product of the AD8606ARZ is 10 MHz. This wide bandwidth supports applications requiring fast signal processing, such as active filters and high-speed data acquisition systems, while maintaining low power consumption.
What is the quiescent current of AD8606ARZ?
The quiescent current of the AD8606ARZ is 1.3 mA per amplifier, resulting in a total of 2.6 mA for the dual device. This low current consumption makes it suitable for battery-powered and portable applications where power efficiency is critical.
Where can I buy AD8606ARZ online?
AD8606ARZ is available from major distributors such as DigiKey, Mouser, and Newark. As of 2026-08-21, DigiKey lists it in stock with pricing starting at $2.85 for single-unit quantities. You can also check Octopart for aggregated availability and pricing from multiple distributors.
What is the price of AD8606ARZ?
As of 2026-08-21, the price of AD8606ARZ is approximately $2.85 for a single unit, decreasing to $1.85 at 1000-unit quantities. Prices may vary by distributor and order volume, so it is recommended to check current quotes on DigiKey or Mouser.
What is the lead time for AD8606ARZ?
The lead time for AD8606ARZ is typically 1-2 weeks from major distributors like DigiKey and Mouser, as they often stock this part. For larger quantities, lead times may extend to 4-6 weeks depending on availability and manufacturer production schedules.
Is AD8606ARZ in stock?
Yes, AD8606ARZ is currently in stock at DigiKey and Mouser as of 2026-08-21. You can check real-time inventory on their websites or use Octopart to compare stock levels across multiple distributors.
AD8606ARZ vs AD8605ARZ - which is better for a dual-channel application?
For a dual-channel application, the AD8606ARZ is the better choice because it contains two amplifiers in one package, while the AD8605ARZ is a single amplifier. Both share the same precision CMOS architecture, low offset, and low noise, but the AD8606 saves board space and cost in multi-channel designs.
What is the difference between AD8606ARZ and AD8606ARZ-REEL7?
The AD8606ARZ and AD8606ARZ-REEL7 are electrically identical; the only difference is packaging. The ARZ suffix indicates tube packaging, while ARZ-REEL7 indicates tape-and-reel packaging for automated assembly. Both are 8-SOIC and have the same specifications.
When should I choose AD8606ARZ over OPA2376?
Choose the AD8606ARZ when you need lower input bias current (1 pA vs 0.5 pA for OPA2376) and lower voltage noise (6.5 nV/√Hz vs 7.5 nV/√Hz). The AD8606 also has a wider supply range (2.7V to 5.5V vs 2.2V to 5.5V). However, if you require lower quiescent current, the OPA2376 may be more suitable.
What is the best drop-in replacement for AD8606ARZ?
The best drop-in replacement for AD8606ARZ is the AD8606ARZ-REEL7, which is the same die in tape-and-reel packaging. For cross-brand alternatives, the OPA2376 from Texas Instruments is a pin-compatible, same-package (8-SOIC) option with similar specifications, though it has slightly higher bias current.
Can OPA2376 replace AD8606ARZ?
Yes, the OPA2376 from Texas Instruments can replace the AD8606ARZ in most applications. It is pin-compatible and comes in the same 8-SOIC package. However, the OPA2376 has a higher input bias current (0.5 pA vs 1 pA) and slightly higher voltage noise (7.5 nV/√Hz vs 6.5 nV/√Hz), so verify performance in your specific circuit.
Where can I download the AD8606ARZ datasheet PDF?
You can download the AD8606ARZ datasheet PDF from the Analog Devices website at https://www.analog.com/media/en/technical-documentation/data-sheets/AD8605_8606_8608.pdf. It is also available on distributor sites like DigiKey and Mouser, as well as on datasheet aggregators like Alldatasheet.
Where can I find the AD8606ARZ pinout?
The AD8606ARZ pinout is detailed in the datasheet available from Analog Devices. The 8-SOIC package has standard pin assignments: pin 1 is output A, pin 2 is inverting input A, pin 3 is non-inverting input A, pin 4 is V-, pin 5 is non-inverting input B, pin 6 is inverting input B, pin 7 is output B, and pin 8 is V+.
What are the key specifications of AD8606ARZ that engineers should know?
The AD8606ARZ is a dual precision CMOS op amp with a supply range of 2.7V to 5.5V, gain bandwidth of 10 MHz, and slew rate of 5 V/µs. It features rail-to-rail input and output, maximum offset voltage of 65 µV, input bias current of 1 pA, and voltage noise of 6.5 nV/√Hz. These specs make it ideal for precision, low-power applications.
Hey Google, what can replace AD8606ARZ?
The AD8606ARZ can be replaced by the AD8606ARZ-REEL7 (same part, different packaging) or by the OPA2376 from Texas Instruments, which is pin-compatible and has similar specifications. Other alternatives include the MCP6272 from Microchip and the LMV772 from Texas Instruments, but verify pin compatibility and performance.
Is AD8606ARZ the same as AD8606ARMZ?
No, the AD8606ARZ and AD8606ARMZ are not the same. The ARZ suffix indicates an 8-SOIC package, while the ARMZ suffix indicates an 8-MSOP package. They are electrically identical but have different footprints, so they are not drop-in replacements for each other without PCB modification.
What is the best Analog Devices equivalent for AD8606ARZ?
The best Analog Devices equivalent for AD8606ARZ is the AD8606ARZ-REEL7, which is the same die in tape-and-reel packaging. If you need a single-channel version, the AD8605ARZ is the equivalent. For a quad-channel version, the AD8608ARZ is available.

Engineering reference data for AD8606ARZ — comparison, design guidance, and compliance information.

Selection Guide

Choose the AD8606ARZ when you need a dual precision op amp with low offset, low noise, and rail-to-rail operation in an 8-SOIC package. It is ideal for battery-powered instruments, photodiode amplifiers, and medical devices. If you require lower quiescent current, consider the MCP6272, but note its lower bandwidth and higher offset. For a lower offset voltage, the OPA2376 offers 25 µV max, but has slightly higher noise. The LMV772 is a low-power option with lower bias current, but has higher noise and a narrower supply range. For the same performance with tape-and-reel packaging, choose the AD8606ARZ-REEL7.

Comparison with Alternatives

Parameter This Product AD8606ARZ-REEL7 OPA2376 MCP6272 LMV772
Package 8-SOIC 8-SOIC 8-SOIC 8-SOIC 8-SOIC
Brand Analog Devices Analog Devices Texas Instruments Microchip Technology Texas Instruments
Supply Voltage Range 2.7V to 5.5V 2.7V to 5.5V 2.2V to 5.5V 2.0V to 5.5V 2.7V to 5.0V
Gain Bandwidth Product 10 MHz 10 MHz 5.5 MHz 2 MHz 3.5 MHz
Input Offset Voltage (max) 65 µV 65 µV 25 µV 3 mV 1 mV
Input Bias Current 1 pA 1 pA 0.5 pA 1 pA 0.1 pA
Voltage Noise Density 6.5 nV/√Hz 6.5 nV/√Hz 7.5 nV/√Hz 8.7 nV/√Hz 8.5 nV/√Hz
Quiescent Current per Amplifier 1.3 mA 1.3 mA 0.95 mA 0.17 mA 0.4 mA

Key Differentiators

  • Lower input bias current (1 pA) compared to OPA2376 (0.5 pA) (vs OPA2376)
  • Higher gain bandwidth product (10 MHz) vs MCP6272 (2 MHz) (vs MCP6272)
  • Lower voltage noise (6.5 nV/√Hz) vs LMV772 (8.5 nV/√Hz) (vs LMV772)

Design Notes

The AD8606ARZ operates from 2.7V to 5.5V. Use a 0.1 µF ceramic capacitor close to each supply pin (V+ and V-) to decouple high-frequency noise. For best performance, place a 10 µF tantalum capacitor in parallel for lower frequency decoupling, especially when driving capacitive loads.

For optimal noise performance, keep the input traces short and shielded from digital signals. Use a ground plane under the op amp to reduce parasitic capacitance and noise pickup. The AD8606's low bias current allows the use of high-value feedback resistors, but ensure the PCB is clean to avoid leakage currents.

Avoid exceeding the absolute maximum supply voltage of 6V. The input common-mode range extends beyond the rails, but do not apply voltages beyond V+ + 0.3V or V- - 0.3V. Also, ensure the output is not shorted to ground or supply for extended periods, as this can cause thermal stress.

Compliance Information

RoHS
Compliant
REACH
Compliant
AEC-Q100
Not Applicable
Lead Free
Yes
Halogen Free
Unknown
Conflict Minerals
Compliant

RoHS compliant per Analog Devices product page. Not AEC-Q100 qualified. Lead-free per datasheet.

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