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Analog Devices Inc. AD7714ARZ-5REEL
- Part No.:
- AD7714ARZ-5REEL
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 24-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
AD7714ARZ-5REEL.pdf
- Description:
- IC ADC 24BIT SIGMA-DELTA 24SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,288
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Product details
Overview
AD7714ARZ-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 - designed for high-precision low-frequency measurement in loop-powered industrial sensors and portable weighing systems.
For engineers reviewing the AD7714ARZ-5REEL datasheet, AD7714ARZ-5REEL pinout, AD7714ARZ-5REEL application, or AD7714ARZ-5REEL equivalent, this device delivers verified 24-bit no-missing-codes performance at ≤60 Hz filter notch, supports SPI/QSPI/MICROWIRE-compatible 3-wire serial interface, operates from +4.75 V to +5.25 V AVDD, and features on-chip self- and system-calibration with programmable digital filtering.
Technical Context
The AD7714ARZ-5REEL employs a charge-balancing sigma-delta modulator with on-chip digital filter whose first notch frequency is software-programmable - enabling precise rejection of 50/60 Hz line interference. Its PGA offers gains from 1 to 128 across five analog inputs configurable as three differential or five pseudo-differential channels.
It integrates dedicated reference input (REF IN±), dual ground domains (AGND/DGND), and Schmitt-triggered logic inputs only in Y-grade variants - confirming AD7714ARZ-5REEL uses standard TTL/CMOS thresholds (VINH = 2.4 V min at DVDD = 5 V). Power-down mode reduces current to 40 µA max, supporting low-power portable instrumentation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 24-bit no missing codes (guaranteed ≤60 Hz filter notch) |
| Integral Nonlinearity | ±0.0015% FSR max - ensures <1 LSB error in 24-bit output over full scale |
| Input Configuration | 5 pseudo-differential or 3 fully differential analog inputs - eliminates external multiplexing for multi-sensor systems |
| PGA Gain Range | 1 to 128 - enables direct connection of mV-level transducer outputs without external amplification |
| Reference Input | +2.5 V nominal (±1%) - matches standard precision voltage references for optimal SNR |
| Supply Voltage | +4.75 V to +5.25 V AVDD - meets industrial 5 V rail tolerance requirements |
| Power Consumption | ≤5 mW typical at 5 V / 2.4576 MHz - suitable for loop-powered 4–20 mA systems |
Pinout & Package
AD7714ARZ-5REEL is housed in a 24-lead SOIC (Small Outline Integrated Circuit) package, 0.3-inch width, RoHS-compliant, with exposed pad not electrically connected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN1–AIN6 | Analog input terminals | Support 5 pseudo-diff or 3 fully diff channel configurations; AIN1–AIN3 form differential pairs when configured |
| REF IN(+), REF IN(–) | Differential reference input | Defines full-scale range; accepts 2.5 V ±1% for AD7714ARZ-5REEL; rejects common-mode noise up to 150 dB at 50/60 Hz |
| AVDD, DVDD, AGND, DGND | Separate analog/digital supplies & grounds | Enables isolation between noise-sensitive analog front end and digital interface; requires separate decoupling |
| SCLK, DIN, DOUT, CS, DRDY | 3-wire serial interface signals | Compatible with SPI/QSPI/MICROWIRE; DRDY indicates conversion completion; CS enables slave select |
| MCLK IN, MCLK OUT | Master clock input/output | Accepts 400 kHz–2.5 MHz crystal or external clock; MCLK OUT supports daisy-chaining multiple AD7714 devices |
| POL, SYNC, RESET | Control and calibration functions | POL selects unipolar/bipolar coding; SYNC initiates synchronized conversions; RESET performs hardware initialization |
Key Features
| Feature | Design Value |
|---|---|
| Programmable digital filter | First notch frequency selectable in software - enables precise 50/60 Hz rejection without external components |
| On-chip calibration engine | Self-, system-, and background calibration modes - eliminates zero- and full-scale drift without host processor intervention |
| Transducer burnout detection | 1 µA nominal excitation current - verifies sensor continuity in pressure/weighing applications before conversion |
| Low-noise analog front end | <150 nV rms input-referred noise - preserves resolution for µV-level strain gauge and thermocouple signals |
| Three-wire serial interface | Reduces interconnect count and opto-isolator count in isolated systems - simplifies PCB layout and lowers BOM cost |
Applications
| Portable Weigh Scales | Pressure Transducers |
|---|---|
Use Scenario: Battery-powered handheld scales measuring 0.1 g resolution over 30 kg range using load cell bridges. IC Role / Device Role / Timing Role: ADC + PGA front end digitizing mV-level bridge output; performs on-the-fly offset/gain calibration during zero/tare operations. Use Value: 24-bit resolution and 0.0015% INL ensure sub-gram accuracy; low 350 µA operating current extends battery life beyond 100 hours. | Use Scenario: Industrial 4–20 mA pressure transmitters with HART communication, requiring high-accuracy analog sensing in harsh environments. IC Role / Device Role / Timing Role: Primary signal conditioner converting ratiometric bridge output to digital; handles common-mode noise from motor drives via 150 dB CMRR at 50/60 Hz. Use Value: Programmable filter notch rejects line interference without external RC networks; burnout detection confirms sensor integrity before commissioning. |
| Loop-Powered Systems | Portable Industrial Instruments |
Use Scenario: Two-wire field instruments powered from 4–20 mA loop, where total supply current must remain below 3.5 mA. IC Role / Device Role / Timing Role: Low-power ADC subsystem consuming ≤0.6 mA AVDD + ≤0.4 mA DVDD at 5 V - leaves margin for microcontroller and isolator. Use Value: Standby current of 40 µA allows deep sleep between readings; 3-wire interface minimizes isolation component count. | Use Scenario: Handheld multimeters and data loggers requiring simultaneous measurement of voltage, current, and temperature with >100 kSPS effective throughput. IC Role / Device Role / Timing Role: Multi-channel precision ADC with internal PGA and reference - replaces discrete op-amp, filter, and reference ICs. Use Value: Five pseudo-differential inputs enable concurrent acquisition; on-chip calibration eliminates manual trim pots and factory calibration steps. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-precision sigma-delta ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7718BRUZ | 24-bit, 8-channel, 1.17 MSPS output rate; integrated 2.5 V reference; 32-pin TQFP | Higher channel count and speed; lacks transducer burnout; requires external clock for max speed | Choose for multi-sensor systems needing faster updates; not drop-in due to pin count and reference integration |
| ADS1258IPWR | 24-bit, 8-channel, 125 kSPS; integrated PGA and oscillator; 28-pin TSSOP | Lower power (1.2 mW), no external crystal needed; no burnout current source; different register map | Prefer for ultra-low-power battery operation; requires firmware adaptation due to non-compatible SPI protocol |
Compared with AD7714ARZ-5REEL, AD7718BRUZ offers higher channel density but demands more board space and lacks built-in burnout detection, while ADS1258IPWR reduces external component count at the cost of calibration flexibility and line-rejection precision - making AD7714ARZ-5REEL optimal for cost-sensitive, noise-immune 5-channel industrial sensing.
Availability
AD7714ARZ-5REEL is available at Aetrix Electronics and suitable for portable industrial instruments, loop-powered transmitters, and portable weigh scales requiring stable component supply, long-term lifecycle support, and traceable sourcing for medical and industrial certifications.
Supply support for AD7714ARZ-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, founded in 1965 and headquartered in Wilmington, MA.
The AD7714 product line was engineered specifically for low-frequency, high-resolution industrial measurement - targeting applications where DC accuracy, noise immunity, and self-calibration outweigh raw speed requirements.
FAQ
What is the maximum recommended master clock frequency for stable operation of the AD7714ARZ-5REEL?
The AD7714ARZ-5REEL supports a master clock (MCLK IN) frequency from 400 kHz to 2.5 MHz. Operation above 2.5 MHz is not characterized and may cause timing violations or reduced noise performance. At 2.4576 MHz, the device achieves optimal settling time and filter notch accuracy - confirmed in the AD7714-5 specification table under Timing Characteristics.
Does the AD7714ARZ-5REEL include an internal voltage reference?
No, the AD7714ARZ-5REEL does not integrate a voltage reference. It requires an external precision reference applied across REF IN(+) and REF IN(–), nominally +2.5 V ±1% for the -5 variant. This design allows users to select references optimized for temperature drift, noise, or ratiometric operation - a key feature confirmed in the General Description and AD7714-5 Specifications sections.
Can the AD7714ARZ-5REEL operate with a 3.3 V digital supply (DVDD) while using a 5 V analog supply (AVDD)?
Yes, the AD7714ARZ-5REEL supports mixed-supply operation: AVDD = +4.75 V to +5.25 V and DVDD = +3.0 V to +5.25 V are explicitly permitted per the AD7714-5 Specifications table. Logic levels are referenced to DVDD, so SCLK/DIN thresholds scale accordingly (e.g., VINH = 2.4 V min at DVDD = 5 V, 2.0 V min at DVDD = 3.3 V).
How many analog input channels does the AD7714ARZ-5REEL support, and how are they configured?
The AD7714ARZ-5REEL supports five analog input terminals (AIN1–AIN5) that can be configured as either three fully differential inputs (AIN1/AIN2, AIN3/AIN4, AIN5/REF IN–) or five pseudo-differential inputs (each referenced to AGND). Configuration is controlled via the Setup Register's MD1/MD0 bits - a capability detailed in the Functional Block Diagram and GENERAL DESCRIPTION sections.
What calibration modes are available on the AD7714ARZ-5REEL, and how are they initiated?
The AD7714ARZ-5REEL provides self-calibration (zero and full-scale), system calibration (using external known inputs), and background calibration (continuous zero-scale correction during normal operation). All modes are initiated by writing to the Mode Register's CAL bit field - documented in the Mode Register description and SYSTEM CALIBRATION section of the datasheet.
AD7714ARZ-5REEL Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 24-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 24-SOIC
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD7714ARZ-5REEL FAQ
1.How can I place an order for AD7714ARZ-5REEL through Aetrix?
Please submit a Request for Quotation (RFQ) for AD7714ARZ-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 AD7714ARZ-5REEL reliable?
The price and inventory of AD7714ARZ-5REEL are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7714ARZ-5REEL is usually 5 days.
3.What payment methods are accepted for AD7714ARZ-5REEL?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7714ARZ-5REEL transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD7714ARZ-5REEL?
AD7714ARZ-5REEL orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD7714ARZ-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 AD7714ARZ-5REEL?
For technical support, including AD7714ARZ-5REEL datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7714ARZ-5REEL requirements.
6.How does Aetrix verify that AD7714ARZ-5REEL is sourced from the original manufacturer or authorized distributors?
All AD7714ARZ-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 AD7714ARZ-5REEL meets industry standards.
7.What is the process for return or replacement of AD7714ARZ-5REEL?
All AD7714ARZ-5REEL units undergo pre-shipment inspection (PSI). If there is an issue with AD7714ARZ-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 AD7714ARZ-5REEL part is unused and in its original packaging.
Return procedure for AD7714ARZ-5REEL:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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