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Home > Products > Integrated Circuits (ICs) > Data Acquisition > Analog to Digital Converters (ADC)

Analog Devices Inc. AD7714ARS-5REEL

Name: AD7714ARS-5REEL
Brand: Analog Devices Inc.
SKU: AD7714ARS-5REEL
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: AD7714ARS-5REEL

Manufacturer:: Analog Devices Inc.

Category:: Analog to Digital Converters (ADC)

Package:: 28-SSOP (0.209", 5.30mm Width)

Datasheet:: AD7714ARS-5REEL.pdf

Description:: IC ADC 24BIT SIGMA-DELTA 28SSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

AD7714ARS-5REEL from Analog Devices is a 24-bit sigma-delta analog-to-digital converter (ADC) with integrated programmable-gain amplifier (PGA), five-channel pseudo-differential or three-channel fully differential input architecture, and 0.0015% integral nonlinearity. It operates from a +4.75 V to +5.25 V analog supply and supports 3-wire SPI™/QSPI™/MICROWIRE™ serial interface. Designed for high-precision transducer signal conditioning in loop-powered industrial instrumentation.

For engineers reviewing the AD7714ARS-5REEL datasheet, AD7714ARS-5REEL pinout, AD7714ARS-5REEL application, or AD7714ARS-5REEL equivalent, key selection considerations include its 24-bit no-missing-codes performance at ≤60 Hz filter notch, low 150 nV_rms noise, on-chip self/system/background calibration, and compatibility with 5 V CMOS logic levels and Schmitt-triggered SCLK/DIN inputs.

Technical Context

The AD7714ARS-5REEL implements a charge-balancing sigma-delta ADC architecture with an on-chip digital filter whose first notch frequency is software-programmable via control registers, enabling adjustable cutoff and settling time. Its front-end features a PGA with selectable gains of 1–128, supporting direct connection to strain gauges and pressure transducers without external amplification.

It provides three differential analog inputs (configurable as five pseudo-differential channels) plus a dedicated differential reference input. The device supports unipolar and bipolar input ranges, offset binary and binary coding, and includes transducer burnout current (1 µA nominal) for open-wire detection - all managed through a single 3-wire serial interface compatible with microcontroller and DSP host systems.

Key Specifications

Parameter	Value and Actual Design Meaning
No Missing Codes	24 bits minimum at filter notches ≤60 Hz - guarantees full resolution without code gaps in precision weigh scale or pressure measurement.
Integral Nonlinearity	±0.0015% of FSR max - enables <1 LSB error over full-scale range for high-accuracy sensor digitization.
Output Noise	<150 nV_rms - supports sub-microvolt-level signal resolution in low-noise industrial sensing applications.
Supply Voltage	+4.75 V to +5.25 V AVDD - ensures stable operation in standard 5 V industrial power rails with ±5% tolerance.
Power Consumption	0.6 mA typical AVDD current at 2.4576 MHz clock - enables use in loop-powered 4–20 mA systems with tight power budgets.
Input Configuration	Five pseudo-differential or three fully differential inputs - simplifies multi-sensor interfacing while maintaining channel isolation and CMRR >90 dB.
Reference Input	+2.5 V nominal REF IN(+)–REF IN(–) - matches common precision voltage references and supports ratiometric measurements.

Pinout & Package

The AD7714ARS-5REEL is housed in a 28-lead shrink small outline package (SSOP), 0.209 inch body width, with exposed pad for thermal enhancement. Pin pitch is 0.025 inch (0.635 mm).

Pin/Terminal	Circuit Role	Design Meaning
AIN1–AIN6	Analog input terminals	Support configurable pseudo-differential (e.g., AIN1+/AIN2−) or fully differential (e.g., AIN1+/AIN1−) input pairs per register settings.
REF IN(+), REF IN(–)	Differential reference input	Defines full-scale range; accepts 2.5 V nominal differential voltage; enables ratiometric accuracy with external reference stability.
AVDD, AGND	Analog power and ground	Isolates analog section from digital noise; requires separate low-impedance analog ground plane for optimal 24-bit performance.
DVDD, DGND	Digital power and ground	Supplies serial interface logic; DVDD supports 3.3 V or 5 V operation; DGND must be connected to AGND at single point.
SCLK, DIN, DOUT, CS	3-wire serial interface	Compatible with SPI/QSPI/MICROWIRE protocols; SCLK and DIN feature Schmitt triggers for noise immunity in industrial environments.
DRDY	Data ready output	Active-low open-drain signal indicating valid conversion result; used for interrupt-driven or polled data acquisition timing.
SYNC, RESET	System control inputs	SYNC initiates synchronized conversions across multiple devices; RESET performs hardware initialization of internal registers.
MCLK IN/OUT	Master clock interface	Accepts external crystal/resonator or clock source up to 2.5 MHz; MCLK OUT provides buffered clock for system synchronization.

Key Features

Feature	Design Value
Programmable gain front end (1–128)	Eliminates need for external op-amp stages when interfacing mV-level transducer outputs like load cells or RTDs.
On-chip calibration modes	Self-, system-, and background calibration remove zero- and full-scale drift errors without host processor intervention.
Configurable digital filter	First-notch frequency programmable to reject 50/60 Hz line interference - critical for EMI-prone industrial installations.
Transducer burnout detection	1 µA internal current source enables open-circuit fault detection on sensor leads - improves system reliability and diagnostics.
Low-power standby mode	40 µA max standby current at 5 V - extends battery life in portable instrumentation and reduces thermal drift during idle periods.

Applications

Portable Weigh Scales	Pressure Transducers
Use Scenario: Battery-powered handheld scales measuring 0.1 g resolution over 30 kg range using strain gauge bridges. IC Role / Device Role / Timing Role: Primary signal conditioner and ADC - digitizes µV-level bridge output after PGA gain, applies 50 Hz notch filtering, and outputs calibrated 24-bit data via SPI. Use Value: 24-bit no-missing-codes resolution and 0.0015% INL ensure legal-for-trade accuracy; low 150 nV_rms noise enables stable readings under vibration.	Use Scenario: Industrial pressure transmitter with 4–20 mA loop powering and HART communication. IC Role / Device Role / Timing Role: Front-end ADC for piezoresistive sensor - handles ratiometric measurement against 2.5 V reference, performs self-calibration at startup, and interfaces to loop-powered MCU. Use Value: Integrated burnout current detects broken sensor wires; 0.6 mA active current fits within 3.5 mA headroom of 4–20 mA loop; Schmitt-triggered SCLK resists EMI in factory floors.
Loop-Powered Systems	Portable Industrial Instruments
Use Scenario: Remote temperature/pressure node powered solely by 4–20 mA current loop with no auxiliary supply. IC Role / Device Role / Timing Role: Low-power ADC core - operates from AVDD derived from loop voltage, uses internal 2.5 V reference, and delivers digitized sensor data via isolated SPI. Use Value: 0.6 mA typical AVDD current leaves >3 mA for MCU, isolators, and HART modem; standby current of 40 µA minimizes quiescent loss.	Use Scenario: Handheld multimeter or data logger acquiring DC voltage, thermocouple, and resistance with 6½-digit display capability. IC Role / Device Role / Timing Role: Precision measurement engine - selects input channels via switching matrix, applies gain/offset correction, and stores calibration coefficients in on-chip registers. Use Value: On-chip calibration coefficient read/write allows field recalibration without firmware update; 24-bit resolution supports 1 ppm measurement granularity.

Portable Weigh Scales

Pressure Transducers

Use Scenario: Battery-powered handheld scales measuring 0.1 g resolution over 30 kg range using strain gauge bridges.

IC Role / Device Role / Timing Role: Primary signal conditioner and ADC - digitizes µV-level bridge output after PGA gain, applies 50 Hz notch filtering, and outputs calibrated 24-bit data via SPI.

Use Value: 24-bit no-missing-codes resolution and 0.0015% INL ensure legal-for-trade accuracy; low 150 nV_rms noise enables stable readings under vibration.

Use Scenario: Industrial pressure transmitter with 4–20 mA loop powering and HART communication.

IC Role / Device Role / Timing Role: Front-end ADC for piezoresistive sensor - handles ratiometric measurement against 2.5 V reference, performs self-calibration at startup, and interfaces to loop-powered MCU.

Use Value: Integrated burnout current detects broken sensor wires; 0.6 mA active current fits within 3.5 mA headroom of 4–20 mA loop; Schmitt-triggered SCLK resists EMI in factory floors.

Loop-Powered Systems

Portable Industrial Instruments

Use Scenario: Remote temperature/pressure node powered solely by 4–20 mA current loop with no auxiliary supply.

IC Role / Device Role / Timing Role: Low-power ADC core - operates from AVDD derived from loop voltage, uses internal 2.5 V reference, and delivers digitized sensor data via isolated SPI.

Use Value: 0.6 mA typical AVDD current leaves >3 mA for MCU, isolators, and HART modem; standby current of 40 µA minimizes quiescent loss.

Use Scenario: Handheld multimeter or data logger acquiring DC voltage, thermocouple, and resistance with 6½-digit display capability.

IC Role / Device Role / Timing Role: Precision measurement engine - selects input channels via switching matrix, applies gain/offset correction, and stores calibration coefficients in on-chip registers.

Use Value: On-chip calibration coefficient read/write allows field recalibration without firmware update; 24-bit resolution supports 1 ppm measurement granularity.

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-resolution sigma-delta ADC applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
AD7718ARUZ	24-bit, 8-channel, 1.17 MSPS, 5 V supply, TSSOP-24; higher throughput but lower noise (250 nV_rms) and no burnout current.	Optimized for multiplexed high-speed data acquisition rather than ultra-low-noise static measurements.	Select AD7718ARUZ only if channel count >5 or sampling rate >100 SPS is required; AD7714ARS-5REEL remains superior for <150 nV_rms noise-critical applications.
ADS1258IPW	24-bit, 8-channel, 125 kSPS, 5 V supply, TSSOP-28; integrated oscillator, no PGA, higher power (3.5 mA), no Schmitt triggers.	Targets high-throughput industrial DAQ with external signal conditioning; lacks transducer burnout and robust EMI immunity.	Choose ADS1258IPW for systems requiring faster scanning across many sensors; AD7714ARS-5REEL better suits low-power, noise-sensitive, self-contained transducer interfaces.

Compared with AD7718ARUZ and ADS1258IPW, the AD7714ARS-5REEL delivers superior noise performance (150 nV_rms vs. ≥250 nV_rms), integrated burnout detection, and Schmitt-triggered I/O - making it uniquely suited for battery-operated, EMI-heavy, or safety-critical transducer applications where signal integrity and fault detection are paramount.

Availability

AD7714ARS-5REEL is available at Aetrix Electronics and suitable for portable industrial instruments, pressure transducers, and loop-powered systems requiring stable component supply, long-term lifecycle support, and traceable sourcing for medical and industrial certification.

Supply support for AD7714ARS-5REEL includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Analog Devices, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving industrial, automotive, communications, and healthcare markets.

The AD7714 product line was engineered specifically for high-accuracy, low-power, multi-channel sensor signal conditioning in harsh industrial environments - emphasizing noise immunity, on-chip calibration, and seamless integration with microcontrollers via minimal-pin serial interfaces.

FAQ

What is the operating voltage range for the AD7714ARS-5REEL?

The AD7714ARS-5REEL requires AVDD between +4.75 V and +5.25 V for specified performance, with DVDD supporting +3.0 V to +5.25 V. This 5 V-centric supply range ensures compatibility with standard industrial logic rails and loop-powered designs where headroom is constrained. The AD7714ARS-5REEL does not support 3 V-only operation - that variant is designated AD7714ARS-3.

Does the AD7714ARS-5REEL support true differential input configurations?

Yes, the AD7714ARS-5REEL supports three fully differential input channels (e.g., AIN1+/AIN1−, AIN2+/AIN2−, AIN3+/AIN3−) as well as five pseudo-differential channels (e.g., AIN1+/AIN2−). Configuration is controlled via on-chip setup registers, and both modes maintain >90 dB common-mode rejection at DC. The AD7714ARS-5REEL's differential reference input further enables ratiometric accuracy critical for transducer applications.

How does the AD7714ARS-5REEL handle power-down mode?

The AD7714ARS-5REEL enters standby mode with 40 µA maximum current draw at +5 V supply when the power-down command is issued via its serial interface. In this state, the modulator and digital filter halt, but register contents and calibration coefficients are retained. External clock (MCLK IN) must be held static or disabled to achieve minimum current; otherwise, standby current rises to 150 µA typical. The AD7714ARS-5REEL resumes full operation within one filter settling time after exit.

Can the AD7714ARS-5REEL perform self-calibration without external components?

Yes, the AD7714ARS-5REEL executes complete self-calibration - including zero-scale and full-scale correction - using only its internal reference and clock resources. No external precision resistors, voltage sources, or timing components are needed. Calibration coefficients are stored in on-chip registers and can be read/written via the serial interface, allowing field recalibration and compensation for long-term drift. This capability is intrinsic to the AD7714ARS-5REEL's architecture.

What packaging and tape-and-reel options are available for the AD7714ARS-5REEL?

The AD7714ARS-5REEL is supplied in a 28-lead shrink small outline package (SSOP) with 0.209-inch body width and 0.025-inch lead pitch. It ships in 1,000-unit tape-and-reel format (REEL suffix), compliant with JEDEC standard J-STD-020 moisture sensitivity level 3. The SSOP package offers improved thermal performance over SOIC and reduced PCB footprint versus DIP, making it ideal for space-constrained portable instrumentation where the AD7714ARS-5REEL is deployed.

AD7714ARS-5REEL Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 28-SSOP (0.209", 5.30mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Number of Bits:: 24

Sampling Rate (Per Second):: 1k

Number of Inputs:: 3, 5

Input Type:: Differential, Pseudo-Differential

Data Interface:: SPI, DSP

Configuration:: MUX-PGA-ADC

Ratio - S/H:ADC:: -

Number of A/D Converters:: 1

Architecture:: Sigma-Delta

Reference Type:: External

Voltage - Supply, Analog:: 5V

Voltage - Supply, Digital:: 3V ~ 5.25V

Features:: PGA

Operating Temperature:: -40°C ~ 85°C

Supplier Device Package:: 28-SSOP

Mounting Type:: Surface Mount

Grade:: -

Qualification:: -

AD7714ARS-5REEL FAQ

1.How can I place an order for AD7714ARS-5REEL through Aetrix?

Please submit a Request for Quotation (RFQ) for AD7714ARS-5REEL on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for AD7714ARS-5REEL reliable?

The price and inventory of AD7714ARS-5REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7714ARS-5REEL is usually 5 days.

3.What payment methods are accepted for AD7714ARS-5REEL?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7714ARS-5REEL transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for AD7714ARS-5REEL?

AD7714ARS-5REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your AD7714ARS-5REEL order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for AD7714ARS-5REEL?

For technical support, including AD7714ARS-5REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7714ARS-5REEL requirements.

6.How does Aetrix verify that AD7714ARS-5REEL is sourced from the original manufacturer or authorized distributors?

All AD7714ARS-5REEL products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AD7714ARS-5REEL meets industry standards.

7.What is the process for return or replacement of AD7714ARS-5REEL?

All AD7714ARS-5REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD7714ARS-5REEL, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The AD7714ARS-5REEL part is unused and in its original packaging.

Return procedure for AD7714ARS-5REEL:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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