Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Integrated Circuits (ICs)Specialized ICs~~ADR443ARMZ-REEL7~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

ADR443ARMZ-REEL7 - Analog Devices

Name: Analog Devices ADR443ARMZ-REEL7
Brand: Analog Devices
SKU: ADR443ARMZ-REEL7
Price: 1.715 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: ADR443ARMZ-REEL7

Manufacturer: Analog Devices, Inc.

Allelco Part Number: 41D-ADR443ARMZ-REEL7

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 16,770 pcs available, New & Original

Parts Description: MSOP-8

Data sheet: -

Category: Integrated Circuits (ICs) > Specialized ICs

RoHs Status

~~Compare~~

Our certification

In stock: 16770

Unit Price: $4.676
Subtotal: $0.00

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

Quantity	Unit Price	Ext. Price
1+	$4.676	$4.68
200+	$1.809	$361.80
500+	$1.746	$873.00
1000+	$1.715	$1,715.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ADR443ARMZ-REEL7 Tech Specifications
Analog Devices - ADR443ARMZ-REEL7 technical specifications, attributes, parameters and parts with similar specifications to Analog Devices - ADR443ARMZ-REEL7

Product Attribute	Attribute Value
Part Number	ADR443ARMZ-REEL7
Package	MSOP-8
Description	MSOP-8
Stock Condition	Get 16770 pcs available quantity at Allelco
Payment	PayPal / TT / Credit Card / Western Union
Allelco Certifications	ESD / ISO 9001 / ISO 13485 / ISO 28000

Product Attribute	Attribute Value
Manufacturer	Analog Devices, Inc.
RoHs Status	-
Warranty	100% Perfect Functions
Transport port	Hong Kong
Shipping by	DHL / FedEx / UPS / TNT / SF Express
RFQ Email	info@allelco.com

Parts Introduction

Manufacturer Part Number

ADR443ARMZ-REEL7

Manufacturer

analog-devices

Introduction

The ADR443 is a high-precision, low-noise voltage reference IC from Analog Devices. It offers a fixed 3V output with excellent accuracy, temperature stability, and low noise performance, making it a suitable choice for a wide range of applications that require a stable and reliable voltage reference.

Product Features and Performance

Fixed 3V output voltage

Tight ±0.13% initial accuracy

Low 10ppm/°C temperature coefficient

Ultra-low 1.4μVp-p noise (0.1Hz to 10Hz)

Wide 3.5V to 18V input voltage range

Low 3.75mA supply current

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

Product Advantages

Excellent precision and stability for accurate voltage reference

Low noise performance for sensitive analog circuits

Wide input voltage range for flexibility in power supply design

Small surface-mount package options for compact designs

Key Reasons to Choose This Product

Industry-leading voltage reference performance

Proven reliability and long-term stability

Compatibility with a wide range of applications

Cost-effective solution for precise voltage reference needs

Quality and Safety Features

Manufactured to high quality standards

Robust design for reliable operation

Compliance with relevant safety and regulatory requirements

Compatibility

The ADR443 voltage reference is compatible with a variety of power management and analog applications, including:

Analog-to-digital converters (ADCs)

Precision instrumentation

Industrial control systems

Medical equipment

Automotive electronics

Application Areas

Industrial automation and control

Test and measurement equipment

Medical devices

Automotive electronics

Consumer electronics

Product Lifecycle

The ADR443 is an active product in Analog Devices' portfolio. There are no direct equivalent or alternative models available from the manufacturer at this time. If you have any questions or require further information, please contact our sales team through our website.

Frequently Asked Questions(FAQ)

How does the ADR443ARMZ-REEL7 voltage reference compare to other fixed-output references in terms of long-term stability and temperature drift, particularly for precision analog front-end designs?: The ADR443ARMZ-REEL7 provides ±0.13% initial accuracy and a 10 ppm/°C maximum temperature coefficient, which is notably tighter than standard shunt or bandgap references but slightly looser than zero-drift architectures like the ADR4530ARZ. This level of performance makes it suitable for applications requiring stable DC levels over industrial temperature ranges without periodic recalibration. However, when long-term drift beyond one year is critical—such as in multi-year sensor nodes—users may need to evaluate laser-trimmed alternatives with lower aging coefficients.

What are the key thermal and noise characteristics of the ADR443ARMZ-REEL7 that influence its use in low-noise analog signal chains, especially when paired with high-impedance sensors?: With a 0.1Hz to 10Hz noise of 1.4 µVp-p, the ADR443ARMZ-REEL7 exhibits moderate broadband noise compared to ultra-low-noise references such as the LT6657, but remains acceptable for many instrumentation scenarios. Its thermal response is influenced by package parasitics; at 3.75mA supply current and 8-MSOP footprint, self-heating can raise junction temperatures by several degrees under continuous full-load operation. In high-gain amplifier stages driving 16-bit ADCs, even this modest noise floor may necessitate post-reference filtering or layout isolation to prevent degradation of system SNR below 90 dB.

Can the ADR443ARMZ-REEL7 be used as a replacement for the ADR4530ARZ in space-constrained battery-powered devices, considering output current, power consumption, and footprint compatibility?: While both share the same 8-MSOP package and nominal output voltage, the ADR4530ARZ delivers higher output current (up to 20 mA) and features significantly lower quiescent current (~100 µA), making it more suitable for energy-sensitive designs. The ADR443ARMZ-REEL7 consumes 3.75 mA at full load, which increases average power draw in intermittent-use systems. Therefore, although mechanical substitution is possible, the ADR443ARMZ-REEL7 may reduce battery life by orders of magnitude in duty-cycled applications unless output buffering is added externally.

What input voltage range considerations apply when integrating the ADR443ARMZ-REEL7 into a 5V digital supply rail with transient surges up to 6V?: The ADR443ARMZ-REEL7 supports input voltages from 3.5V to 18V, comfortably accommodating a 5V logic rail. However, transient events above 18V—such as ESD strikes or inductive kickback—can damage the device. If the system experiences occasional spikes beyond this threshold, an external clamping diode network or TVS protection must be implemented before the reference input. Additionally, dropout voltage is not specified, so ensure headroom between input and output under worst-case conditions to maintain regulation during transients.

How should PCB layout be optimized around the ADR443ARMZ-REEL7 to minimize measurement error due to trace resistance and parasitic capacitance in high-precision ADC reference applications?: Minimize trace length from reference output to ADC pin; use Kelvin connections if possible. Place a 0.1 µF ceramic capacitor directly at the MSOP pin, followed by a larger bulk capacitor (e.g., 10 µF tantalum) near the power entry point. Ground plane cutouts under the package improve heat dissipation but must be carefully managed to avoid ground loops. Keep analog return paths separate from noisy digital returns until they converge at a single star ground point. Thermal vias under the exposed pad enhance junction-to-board thermal conductivity, reducing long-term drift caused by localized heating.

Is the ADR443ARMZ-REEL7 suitable for use in automotive-grade temperature cycling environments (-40°C to +125°C) without derating its specifications?: Yes, the ADR443ARMz-REEL7 operates across -40°C to +125°C, meeting AEC-Q100 Grade 2 requirements when used within published limits. However, performance metrics such as temperature coefficient and initial tolerance are guaranteed only within this range. Users must verify that their application’s operating envelope does not exceed these bounds, especially regarding maximum output current and ambient airflow, which affect internal temperature rise. Derating above 100°C ambient may be necessary in sealed enclosures with poor thermal coupling.

What substitution options exist if the ADR443ARMZ-REEL7 becomes unavailable, and how do alternatives like the ADR4530ARZ differ in terms of dynamic performance and cost structure?: The primary substitute listed is the ADR4530ARZ, which offers superior accuracy (±0.02%), lower noise, and much lower quiescent current. However, it trades off higher unit cost and slightly larger package options. Other potential substitutes include the LT6656 or MAX6190, though these may require different footprints or additional bypass components. Migration should consider total system cost, including PCB real estate, power budget, and calibration overhead. Always validate corner cases such as startup behavior and PSRR under real-world supply conditions.

How does the XFET® technology used in the ADR443ARMZ-REEL7 influence its susceptibility to electromagnetic interference compared to CMOS-based voltage references?: XFET® architecture employs JFET-like structures fabricated in BiCMOS processes, offering inherently higher impedance nodes and reduced sensitivity to high-frequency supply variations than pure CMOS references. This results in better Power Supply Rejection Ratio (PSRR) at moderate frequencies (>100 Hz), though detailed PSRR curves are not provided in the datasheet. For systems with aggressive switching regulators adjacent to analog sections, this characteristic reduces the need for extensive post-regulation filtering, simplifying layout complexity while maintaining stability.

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.
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.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	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.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
PSMA