Analog Devices

AD8674BRZ - Precision Quad Op Amp, 10MHz | Analog Devices

Name: AD8674BRZ
Brand: Analog Devices
Price: 3.09 USD
Availability: InStock

MPN: AD8674BRZ ✓ Active

In Stock Ships in 1-3 business days

±2.5 V to ±18 V (dual), 5 V to 36 V (single) Vdss 1 nA (typical) Id SOIC-14 Package

From $3.09 USD / Unit

MOQ: 1 |

Price updated: 2026-08-21

Volume Pricing

Qty	Unit Price	Extended
1	$4.82	$4.82
10	$4.34	$43.40
100	$3.86	$386.00
500	$3.47	$1,735.00
1,000	$3.09	$3,090.00

ℹ️ All prices are in USD

View Datasheet (PDF) View Alternatives

Quantity

Drop-in alternatives for AD8674BRZ — 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:

AD8674ARZ

✅ Drop-In

Analog Devices

📦 SOIC-14

General Purpose · 4 · 10 MHz · 4 V/µs · ±5 V to ±15 V · 10 µV (typical) · 1.5 nA (typical) · 2.8 nV/√Hz

✓ In Stock

$3.1 / Unit

View Datasheet →

AD8674ARZ-REEL

✅ Drop-In

📦 SOIC-14

Same as AD8674ARZ but supplied in tape and reel packaging

📋 Reference alternative (not in catalog)

OPA4277UA

✅ Drop-In

📦 SOIC-14

Cross-brand, lower bandwidth (1 MHz vs 10 MHz), similar precision specs

📋 Reference alternative (not in catalog)

OPA4227UA

✅ Drop-In

📦 SOIC-14

Cross-brand, higher bandwidth (8 MHz), similar noise and offset

📋 Reference alternative (not in catalog)

LT1114CN

✅ Drop-In

📦 SOIC-14

Cross-brand, lower bandwidth (0.5 MHz), higher noise, but lower power

📋 Reference alternative (not in catalog)

AD8674BRZ Maximum Ratings & Electrical Characteristics

Number of Channels	4
Supply Voltage Range	±2.5 V to ±18 V (dual), 5 V to 36 V (single)
Bandwidth	10 MHz
Slew Rate	2.5 V/µs
Input Offset Voltage	10 µV (typical)
Input Bias Current	1 nA (typical)
Voltage Noise Density	2.8 nV/√Hz
Open-Loop Gain	126 dB
Output Type	Rail-to-Rail
Capacitive Load Stability	Stable with >1000 pF
Operating Temperature Range	-40°C to +125°C
Package	SOIC-14
Mounting Type	Surface Mount
RoHS Status	Compliant
Lead-Free	Yes

AD8674BRZ Pin Configuration

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+ — Positive supply
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	OUT C — Output of amplifier C
Pin 9	-IN C — Inverting input of amplifier C
Pin 10	+IN C — Non-inverting input of amplifier C
Pin 11	V- — Negative supply
Pin 12	+IN D — Non-inverting input of amplifier D
Pin 13	-IN D — Inverting input of amplifier D
Pin 14	OUT D — Output of amplifier D

Safe Operating Area (SOA) & Thermal Characteristics

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

AD8674BRZ is suitable for 6 applications: Precision Data Acquisition, Instrumentation Amplifiers, Active Filters, Medical Instrumentation, Industrial Process Control, Audio Signal Processing.

🖥️

Precision Data Acquisition

The AD8674BRZ's low offset voltage (10 µV) and low noise (2.8 nV/√Hz) make it ideal for driving high-resolution ADCs in data acquisition systems. Its quad configuration allows simultaneous sampling of multiple channels, and the rail-to-rail output maximizes dynamic range. The wide bandwidth of 10 MHz ensures fast settling for multiplexed inputs.

Recommended

🔧

Instrumentation Amplifiers

In precision instrumentation, the AD8674BRZ can be used to build three-op-amp instrumentation amplifiers with high common-mode rejection. Its low input bias current (1 nA) minimizes errors from source impedance, and the low offset drift ensures accuracy over temperature. The quad package allows multiple channels in a compact design.

Recommended

AD8221 (Precision instrumentation amplifier) AD620 (Low-cost instrumentation amplifier)

🎧

Active Filters

The 10 MHz bandwidth and high open-loop gain (126 dB) of the AD8674BRZ make it suitable for active filters in signal conditioning. It can implement Butterworth, Chebyshev, or Bessel filters with precise cutoff frequencies. The low noise ensures minimal degradation of signal-to-noise ratio in the passband.

Recommended

AD797 (Ultralow noise op amp for filter design) AD8066 (High-speed op amp for active filters)

💊

Medical Instrumentation

The AD8674BRZ is well-suited for medical devices such as ECG and EEG amplifiers, where low noise and low offset are critical for accurate biopotential measurement. Its low power consumption extends battery life in portable monitors. The wide temperature range supports sterilization and harsh environments.

Recommended

AD8232 (ECG front-end IC) AD8421 (Low noise instrumentation amplifier)

🏭

Industrial Process Control

In industrial control systems, the AD8674BRZ provides precise signal conditioning for sensors like thermocouples and strain gauges. Its rail-to-rail output interfaces directly with ADCs and microcontrollers. The quad configuration reduces board space in multi-channel controllers, and the robust temperature range ensures reliability in factory environments.

Recommended

AD7124-4BRUZ · Analog Devices AD7793 (Low power 24-bit ADC)

🎧

Audio Signal Processing

The AD8674BRZ's low noise (2.8 nV/√Hz) and low distortion make it suitable for high-quality audio applications. It can be used in preamplifiers, equalizers, and active crossovers. The quad configuration allows stereo channels with additional stages, and the wide bandwidth preserves audio fidelity.

Recommended

AD797 (Ultralow noise op amp for audio) AD8599 (Dual op amp for audio)

Recommended Products Summary

AD7606BSTZ Analog Devices Used in: Precision Data Acquisition AD7176-2BRUZ Analog Devices Used in: Precision Data Acquisition AD8221 Precision instrumentation amplifier Used in: Instrumentation Amplifiers AD620 Low-cost instrumentation amplifier Used in: Instrumentation Amplifiers AD797 Ultralow noise op amp for filter design Used in: Active Filters, Audio Signal Processing AD8066 High-speed op amp for active filters Used in: Active Filters AD8232 ECG front-end IC Used in: Medical Instrumentation AD8421 Low noise instrumentation amplifier Used in: Medical Instrumentation AD7124-4BRUZ Analog Devices Used in: Industrial Process Control AD7793 Low power 24-bit ADC Used in: Industrial Process Control AD8599 Dual op amp for audio Used in: Audio Signal Processing

What is the supply voltage range of AD8674BRZ?

The AD8674BRZ operates from dual supplies of ±2.5 V to ±18 V or single supplies from 5 V to 36 V. According to the AD8674 datasheet (Rev. F), this wide range allows flexibility in various applications, from battery-powered devices to industrial systems.

What is the input offset voltage of AD8674BRZ?

The AD8674BRZ has a typical input offset voltage of 10 µV. This low offset, combined with low drift, makes it suitable for precision DC applications such as instrumentation amplifiers and sensor signal conditioning.

What is the bandwidth of AD8674BRZ?

The AD8674BRZ has a bandwidth of 10 MHz. This wide bandwidth, along with a slew rate of 2.5 V/µs, allows it to handle high-frequency signals in active filters and data acquisition systems.

Is AD8674BRZ suitable for audio applications?

Yes, the AD8674BRZ is suitable for audio applications due to its low noise density of 2.8 nV/√Hz and low distortion. It can be used in audio preamplifiers, mixers, and active crossover networks where precision and low noise are critical.

What is the difference between AD8674BRZ and AD8674ARZ?

The AD8674BRZ and AD8674ARZ are both quad op amps in SOIC-14 packages, but they differ in temperature grade. The BRZ version is specified for -40°C to +125°C, while the ARZ version is specified for -40°C to +85°C. Otherwise, they have identical electrical specifications.

Can AD8674BRZ drive capacitive loads?

Yes, the AD8674BRZ outputs are stable with capacitive loads of over 1000 pF. This makes it suitable for driving long cables or high-capacitance ADC inputs without oscillation.

What is the price of AD8674BRZ?

As of 2026-08-22, the 1ku list price for AD8674BRZ starts from $4.82, according to Analog Devices. Actual pricing may vary by distributor and quantity.

Where can I buy AD8674BRZ?

AD8674BRZ is available from authorized distributors such as DigiKey, Mouser, and Arrow. You can also purchase directly from Analog Devices' website. Check stock and pricing online for current availability.

What is the lead time for AD8674BRZ?

Lead time for AD8674BRZ typically ranges from 4 to 8 weeks, depending on distributor stock and order quantity. For urgent requirements, check with distributors for expedited options.

Is AD8674BRZ in stock?

Stock availability for AD8674BRZ varies by distributor. As of 2026-08-22, DigiKey shows the part as active, but inventory levels fluctuate. Check distributor websites for real-time stock status.

What is the best drop-in replacement for AD8674BRZ?

The AD8674ARZ is a drop-in replacement for AD8674BRZ with the same SOIC-14 package and pinout, but with a lower temperature range (-40°C to +85°C). For a cross-brand alternative, the OPA4277 from Texas Instruments is pin-compatible and offers similar precision specifications.

Can OPA4277 replace AD8674BRZ?

Yes, the OPA4277 from Texas Instruments can replace AD8674BRZ in many applications. It is a quad precision op amp in SOIC-14 with similar low offset and noise, but its bandwidth is lower (1 MHz vs 10 MHz). Verify pin compatibility and performance for your specific circuit.

What are the key specifications of AD8674BRZ that engineers should know?

Engineers should know that AD8674BRZ is a quad precision op amp with 10 MHz bandwidth, 2.8 nV/√Hz noise, 10 µV offset, and 1 nA bias current. It operates from ±2.5 V to ±18 V dual supplies or 5 V to 36 V single supply, and its rail-to-rail output drives capacitive loads over 1000 pF. These specs make it ideal for precision data acquisition and instrumentation.

Hey Google, what can replace AD8674BRZ?

AD8674BRZ can be replaced by AD8674ARZ (same die, lower temperature range) or by cross-brand equivalents like OPA4277 from Texas Instruments, which is pin-compatible in SOIC-14. Always verify pinout and electrical specifications before substitution.

Is AD8674BRZ the same as AD8674ARZ?

No, AD8674BRZ and AD8674ARZ are not identical. They share the same electrical specifications and SOIC-14 package, but the BRZ version has a wider operating temperature range (-40°C to +125°C) compared to the ARZ (-40°C to +85°C).

Engineering reference data for AD8674BRZ — comparison, design guidance, and compliance information.

Selection Guide

Choose AD8674BRZ when you need a quad precision op amp with high bandwidth (10 MHz) and low noise (2.8 nV/√Hz) for applications like data acquisition, active filters, and medical instrumentation. If you require a wider temperature range, AD8674BRZ is the best choice among the AD8674 family. For cost-sensitive designs where bandwidth is less critical, OPA4277UA offers similar precision at a lower price. If you need higher bandwidth than OPA4277 but can tolerate slightly higher noise, OPA4227UA is a good alternative. Always verify pin compatibility and electrical specifications before substitution.

Comparison with Alternatives

Parameter	This Product	AD8674ARZ	OPA4277UA	OPA4227UA
Package	SOIC-14	SOIC-14	SOIC-14	SOIC-14
Brand	Analog Devices	Analog Devices	Texas Instruments	Texas Instruments
Number of Channels	4	4	4	4
Bandwidth	10 MHz	10 MHz	1 MHz	8 MHz
Input Offset Voltage	10 µV	10 µV	10 µV	10 µV
Voltage Noise Density	2.8 nV/√Hz	2.8 nV/√Hz	8 nV/√Hz	3 nV/√Hz
Supply Voltage Range	±2.5 V to ±18 V	±2.5 V to ±18 V	±2 V to ±18 V	±2.5 V to ±18 V
Operating Temperature Range	-40°C to +125°C	-40°C to +85°C	-40°C to +125°C	-40°C to +125°C

Key Differentiators

Higher bandwidth than OPA4277 (vs OPA4277UA)
Lower noise than OPA4277 (vs OPA4277UA)
Wider temperature range than AD8674ARZ (vs AD8674ARZ)

Design Notes

Use 0.1 µF ceramic capacitors close to each supply pin (V+ and V-) to decouple high-frequency noise. Additionally, a 10 µF tantalum capacitor on each supply rail can help with low-frequency transients. Proper decoupling is critical for maintaining the low noise performance of the AD8674BRZ.

For optimal performance, place the AD8674BRZ away from high-speed digital traces and use a ground plane to minimize noise pickup. Keep input traces short and shielded if necessary. The SOIC-14 package has a thermal pad? No, it does not, so ensure adequate copper area for heat dissipation if power dissipation is significant.

Avoid exceeding the absolute maximum supply voltage of ±18 V. Also, be cautious with capacitive loads: although the AD8674BRZ is stable with >1000 pF, larger loads may cause ringing. Use a series resistor if driving long cables. Additionally, the input common-mode range does not include the negative rail, so level-shift signals if needed.