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Analog Devices Inc. AD7714YRUZ-REEL7
- Part No.:
- AD7714YRUZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 24-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
AD7714YRUZ-REEL7.pdf
- Description:
- IC ADC 24BIT SIGMA-DELTA 24TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,085
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Product details
Overview
AD7714YRUZ-REEL7 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 on-chip digital filtering. It delivers 0.0010% linearity error, operates from +2.7 V to +3.3 V or +4.75 V to +5.25 V, and supports industrial temperature range (–40°C to +105°C). It is used in high-precision sensor signal conditioning for loop-powered pressure transducers.
For engineers reviewing the AD7714YRUZ-REEL7 datasheet, AD7714YRUZ-REEL7 pinout, AD7714YRUZ-REEL7 application, or AD7714YRUZ-REEL7 equivalent, key selection considerations include its 24-bit no-missing-codes performance, Schmitt-triggered serial interface inputs (SCLK/DIN), low 226 µA typical active current, TSSOP-24 package compatibility, and support for self/system/background calibration modes.
Technical Context
The AD7714YRUZ-REEL7 implements a charge-balancing sigma-delta ADC architecture with an on-chip modulator and programmable digital filter. Its first notch frequency is software-configurable, enabling adjustable filter cutoffs (e.g., 10 Hz to 1 kHz) and settling times tailored to low-frequency transducer signals.
It integrates a five-channel programmable-gain front end (gain = 1 to 128), configurable as three differential or five pseudo-differential inputs, plus a dedicated differential reference input. The device supports SPI™/QSPI™/MICROWIRE™-compatible three-wire serial interface and features Schmitt-triggered SCLK and DIN inputs for noise immunity in industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 24 bits no missing codes - guarantees monotonicity and full dynamic range utilization in precision weighing and instrumentation. |
| Linearity Error | ±0.0010% of FSR - enables sub-10 ppm accuracy critical for calibrated pressure and load cell systems. |
| Operating Voltage | +2.7 V to +3.3 V or +4.75 V to +5.25 V - supports dual-supply flexibility in both 3 V and 5 V industrial designs. |
| Temperature Range | –40°C to +105°C - qualified for under-hood automotive sensors and harsh-environment industrial control. |
| Active Current | 226 µA typical - allows operation in 4–20 mA loop-powered systems without exceeding current budget. |
| Power-Down Current | 4 µA typical - minimizes standby power in battery-backed portable instrumentation. |
| Input Configuration | Five pseudo-differential or three fully differential analog inputs - eliminates external multiplexing and buffering for multi-sensor front ends. |
| Digital Interface | Three-wire SPI-compatible serial port - reduces isolation component count (e.g., optocouplers) in isolated measurement systems. |
Pinout & Package
AD7714YRUZ-REEL7 is housed in a 24-lead Thin Shrink Small Outline Package (TSSOP), 0.15 inch body width, 0.65 mm lead pitch, RoHS-compliant and tape-and-reel packaged (REEL7).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN1–AIN6 | Analog input terminals | Support configurable pseudo-differential (e.g., AIN1+/AIN2–) or differential (e.g., AIN1+/AIN1–) acquisition across up to five channels. |
| REF IN(+), REF IN(–) | Differential reference input | Accepts 1.25 V (3 V supply) or 2.5 V (5 V supply) reference; defines full-scale range and enables ratiometric measurements. |
| AVDD, DVDD, AGND, DGND | Analog/digital power and ground | Separate analog/digital supplies and grounds minimize noise coupling between conversion and logic domains. |
| SCLK, DIN, DOUT, CS | Serial interface signals | Three-wire SPI-compatible interface; SCLK and DIN feature Schmitt triggers for robust timing in noisy environments. |
| DRDY | Data ready output | Open-drain flag indicating valid conversion result is available on DOUT - simplifies handshaking in microcontroller polling. |
| SYNC, RESET, POL | Control and configuration | SYNC initiates synchronized conversions; RESET clears internal registers; POL selects unipolar/bipolar coding mode. |
| MCLK IN, MCLK OUT | Master clock interface | Accepts external crystal/resonator or CMOS clock (400 kHz–2.5 MHz); MCLK OUT provides buffered clock for system synchronization. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable digital filter notch | Software-selectable first-notch frequencies (e.g., 10 Hz, 50 Hz, 60 Hz) enable rejection of mains interference without external components. |
| On-chip calibration engine | Supports self-calibration (zero/full-scale), system calibration (with external reference), and background calibration - eliminates manual trim and drift compensation. |
| Transducer burnout detection | 1 µA nominal excitation current with ±10% tolerance - enables open-circuit fault detection in strain gauge and RTD bridges. |
| Low-noise PGA front end | Gains 1–128 with <150 nV rms input-referred noise - allows direct connection to mV-level sensors (e.g., 2 mV/V load cells) without external amplification. |
| Buffered analog inputs | Configurable input buffer (BUF bit) extends common-mode range to AVDD – 1.5 V - accommodates rail-to-rail sensor outputs in single-supply systems. |
| Power-down mode | Reduces current to 4 µA typical - preserves battery life in portable instruments while retaining register state and calibration coefficients. |
Applications
| Portable Weigh Scales | Loop-Powered Pressure Transducers |
|---|---|
|
Use Scenario: Battery-operated 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 low-level bridge outputs, applies gain/offset correction, and outputs calibrated serial data. Use Value: 24-bit resolution and 0.0010% linearity ensure metrological-grade accuracy; 226 µA active current extends battery life beyond 100 hours. |
Use Scenario: 4–20 mA field transmitter for HVAC pressure sensing, powered entirely from loop current. IC Role / Device Role / Timing Role: High-precision ADC with integrated PGA - conditions mV-level sensor output and interfaces directly to loop-current DAC controller. Use Value: Low 226 µA supply current leaves >19 mA for loop driver and microcontroller; Schmitt-triggered SCLK/DIN ensures reliable communication in EMI-heavy plant environments. |
| Industrial Temperature Monitoring | Smart Sensor Nodes |
|
Use Scenario: DIN-rail mounted RTD temperature module with HART protocol support, operating at –40°C to +85°C ambient. IC Role / Device Role / Timing Role: Precision ADC for Pt100/Pt1000 resistance measurement - performs ratiometric conversion using internal reference and burnout detection. Use Value: –40°C to +105°C grade ensures stability across extended industrial range; on-chip burnout current (1 µA) enables automatic wire-break diagnostics. |
Use Scenario: Wireless IoT node with MEMS accelerometer and humidity sensor, requiring ultra-low-power data acquisition. IC Role / Device Role / Timing Role: Multi-channel sensor hub ADC - sequentially acquires from multiple analog sensors via internal switching matrix and stores results in FIFO. Use Value: Five pseudo-differential inputs reduce external mux count; 4 µA power-down current enables wake-on-event operation with sub-µA average system current. |
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 |
|---|---|---|---|
| AD7730BRUZ | 24-bit, 16.7 SPS max, single-channel, no PGA, external reference required | Limited to single-sensor systems; lacks integrated gain and multi-channel flexibility | Select when only one high-stability channel is needed and board space permits external PGA/reference. |
| ADS1248IPWR | 24-bit, 2 kSPS, integrated 4-channel mux, 4x PGA, but –40°C to +105°C only in Q1 revision | Higher speed and more integrated features, but earlier revisions lack full Y-grade qualification | Prefer for new designs needing faster throughput; verify ADS1248IPWR revision suffix matches AD7714YRUZ-REEL7's industrial temp assurance. |
Compared with AD7714YRUZ-REEL7, AD7730BRUZ offers higher DC accuracy but requires external signal conditioning and lacks multi-channel capability, while ADS1248IPWR provides greater integration and speed but demands careful revision-level validation for equivalent temperature reliability.
Availability
AD7714YRUZ-REEL7 is available at Aetrix Electronics and suitable for portable industrial instruments, loop-powered transmitters, and high-reliability sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for AD7714YRUZ-REEL7 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 since 1965.
The AD7714 product line was designed specifically for low-frequency, high-resolution sensor signal conditioning - targeting applications where noise, drift, and calibration integrity outweigh raw speed requirements.
FAQ
What is the maximum sampling rate of the AD7714YRUZ-REEL7 at gain = 1?
The AD7714YRUZ-REEL7 achieves a maximum sampling rate of fCLK_IN/64 at gain = 1. With the maximum supported master clock frequency of 2.5 MHz, this yields 39.1 kSPS. However, usable output data rates are constrained by the digital filter's notch settings - e.g., 10 Hz notch yields ~12.5 SPS, while 1 kHz notch enables ~1.25 kSPS. The AD7714YRUZ-REEL7 prioritizes resolution and noise rejection over speed.
Does the AD7714YRUZ-REEL7 support true differential input pairs?
Yes, the AD7714YRUZ-REEL7 supports three true differential input pairs: AIN1+/AIN1–, AIN2+/AIN2–, and AIN3+/AIN3–. These can be selected via the channel configuration register. When configured for five pseudo-differential inputs, AIN4 and AIN5 share AIN6 as their common negative reference. The AD7714YRUZ-REEL7's analog front end maintains matched input paths and common-mode rejection >90 dB for all differential configurations.
How does the AD7714YRUZ-REEL7 handle reference voltage variations?
The AD7714YRUZ-REEL7 uses a ratiometric architecture: its conversion result is proportional to VIN/VREF. With VREF = 1.25 V (for 3 V operation) or 2.5 V (for 5 V operation), it tolerates ±1% variation while maintaining specified performance. The device also supports lower reference voltages functionally - down to 1 V at 3 V supply or 1.75 V at 5 V supply - though linearity and noise specs apply only within the ±1% band.
Can the AD7714YRUZ-REEL7 perform calibration without external equipment?
Yes, the AD7714YRUZ-REEL7 supports full on-chip calibration: self-calibration (using internal zero/full-scale references), system calibration (using external known inputs), and background calibration (continuous zero-offset correction during normal operation). All modes write corrected coefficients to internal registers, and users can read/write these values via the serial interface - eliminating need for external calibration hardware in field-deployed AD7714YRUZ-REEL7 systems.
What is the significance of the "Y" grade in AD7714YRUZ-REEL7?
The "Y" grade in AD7714YRUZ-REEL7 denotes extended industrial qualification: guaranteed operation from –40°C to +105°C, tighter linearity (±0.0010% vs. ±0.0015% for standard A grade), Schmitt-triggered SCLK/DIN inputs for noise immunity, and lower power consumption (226 µA typical active current vs. 350 µA). It is supplied in the RU-24 (TSSOP-24) package and marked with "Y" in the top-side laser etch.
AD7714YRUZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 24-TSSOP (0.173", 4.40mm 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:
- 2.7V ~ 3.3V, 5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.25V
- Features:
- PGA
- Operating Temperature:
- -40°C ~ 105°C
- Supplier Device Package:
- 24-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
AD7714YRUZ-REEL7 FAQ
1.How can I place an order for AD7714YRUZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD7714YRUZ-REEL7 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 AD7714YRUZ-REEL7 reliable?
The price and inventory of AD7714YRUZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD7714YRUZ-REEL7 is usually 5 days.
3.What payment methods are accepted for AD7714YRUZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD7714YRUZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD7714YRUZ-REEL7?
AD7714YRUZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD7714YRUZ-REEL7 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 AD7714YRUZ-REEL7?
For technical support, including AD7714YRUZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD7714YRUZ-REEL7 requirements.
6.How does Aetrix verify that AD7714YRUZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD7714YRUZ-REEL7 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 AD7714YRUZ-REEL7 meets industry standards.
7.What is the process for return or replacement of AD7714YRUZ-REEL7?
All AD7714YRUZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD7714YRUZ-REEL7, 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 AD7714YRUZ-REEL7 part is unused and in its original packaging.
Return procedure for AD7714YRUZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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