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Analog Devices Inc. AD524ARZ-16-REEL7
- Part No.:
- AD524ARZ-16-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Instrumentation, Op Amps, Buffer Amps
- Package:
- 16-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
AD524ARZ-16-REEL7.pdf
- Description:
- IC INST AMP 1 CIRCUIT 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,913
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Product details
Overview
AD524ARZ-16-REEL7 from Analog Devices is a precision monolithic instrumentation amplifier designed for high-accuracy data acquisition under worst-case conditions. It delivers 0.003% nonlinearity at G = 1, 120 dB CMRR at G = 1000, and 0.3 µV p-p 0.1 Hz–10 Hz input-referred noise - enabling high-fidelity sensor signal conditioning in industrial weigh scales and medical ECG front-ends.
For engineers reviewing the AD524ARZ-16-REEL7 datasheet, AD524ARZ-16-REEL7 pinout, AD524ARZ-16-REEL7 application, or AD524ARZ-16-REEL7 equivalent, key selection considerations include guaranteed input offset voltage ≤50 µV (C-grade), pin-programmable gains of 1/10/100/1000, internal compensation, and SOIC-16 wide-body packaging compliant with EIA-481A tape-and-reel delivery.
Technical Context
The AD524ARZ-16-REEL7 implements a classic three-op-amp monolithic architecture with laser-trimmed thin-film resistors for gain setting. Its input stage uses matched bipolar transistors to achieve <0.5 µV/°C input offset drift and 10⁹ Ω differential/common-mode input impedance.
Gain is set either by strapping pins (G = 1, 10, 100, 1000) or via external resistor RG between Pins 3 and 16 (G = 40 kΩ/RG + 1). Input protection employs bidirectional FET current limiting (≤3 mA over ±36 V), and both input and output offset nulling terminals support high-precision calibration across gain ranges.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Input Offset Voltage | 50 µV max (C-grade); enables ≤0.5 mV total RTI error at G = 100 without trimming |
| CMRR | 120 dB at G = 1000, DC–60 Hz; rejects >99.9999% of common-mode interference in noisy industrial environments |
| Nonlinearity | 0.003% max at G = 1; supports 16-bit+ system accuracy without post-calibration |
| 0.1 Hz–10 Hz Noise | 0.3 µV p-p at G = 100/1000; critical for low-frequency biosignal amplification (e.g., EEG, EMG) |
| Gain Bandwidth Product | 25 MHz; supports 25 kHz small-signal bandwidth at G = 1000 for fast settling in automated test equipment |
| Settling Time | 15 µs to 0.01% for 20 V step (G = 1–100); meets throughput requirements in multiplexed DAQ systems |
| Supply Range | ±6 V to ±18 V; operates from standard ±15 V rails while tolerating brownout to ±6 V |
Pinout & Package
AD524ARZ-16-REEL7 is housed in a 16-lead SOIC wide-body package (RW-16), 10.3 mm × 7.5 mm footprint, 2.35 mm height, RoHS-compliant, tape-and-reel packaged per EIA-481A.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | Differential Inputs (IN−, IN+) | High-impedance (10⁹ Ω), protected inputs accepting ±10 V linear differential range at G = 1 |
| 3 | RG (Gain Set) | Connect to Pin 16 for external gain programming; open for G = 1 |
| 4 | V− (Negative Supply) | Accepts −6 V to −18 V; powers input/output stages and auto-zero circuits |
| 5 | REF (Reference) | DC offset injection point; ±10 V range, requires ≤1 Ω source impedance to preserve CMRR |
| 6 | SENSE | Output feedback sense node; enables remote sensing to eliminate I×R drop errors in long-cable loads |
| 7 | OUT | Single-ended output; ±10 V swing into 2 kΩ, 5 V/µs slew rate |
| 8 | NC | No connect; electrically isolated, must remain unconnected |
| 9 | OFFSET NULL (−) | Input offset trim terminal; used with Pin 10 for 2-point calibration at highest gain |
| 10 | OFFSET NULL (+) | Input offset trim terminal; paired with Pin 9 for precision nulling |
| 11 | OUTPUT NULL (−) | Output offset trim terminal; used with Pin 12 for nulling at G = 1 |
| 12 | OUTPUT NULL (+) | Output offset trim terminal; paired with Pin 11 to minimize output drift |
| 13 | GAIN SELECT (G = 1000) | Strap to Pin 16 for 1000× gain; internal 10 kΩ resistor sets ratio |
| 14 | GAIN SELECT (G = 100) | Strap to Pin 16 for 100× gain; internal 100 kΩ resistor sets ratio |
| 15 | GAIN SELECT (G = 10) | Strap to Pin 16 for 10× gain; internal 1 MΩ resistor sets ratio |
| 16 | RG / GAIN COMMON | Common node for all gain-select straps and external RG connection; ties internal gain resistors |
Key Features
| Feature | Design Value |
|---|---|
| Pin-programmable fixed gains | 1, 10, 100, 1000 via simple strap connections - eliminates external resistor selection logic and layout complexity |
| Input protection circuitry | Bidirectional FET current limiting (≤3 mA) protects against ±36 V faults during power-on/off - removes need for external clamps in field-deployed sensors |
| Separate input/output offset nulling | Dual nulling paths allow independent calibration at high gain (input) and unity gain (output) - maintains linearity across programmable gain ranges |
| Internal compensation | Stable operation with no external capacitors required - reduces BOM count and PCB area in space-constrained modules |
| SOIC-16 wide-body packaging | Industry-standard 10.3 mm × 7.5 mm footprint with 1.27 mm pitch - ensures drop-in compatibility with existing instrumentation amplifier layouts |
Applications
| Industrial Weigh Scales | Medical ECG Front-Ends |
|---|---|
|
Use Scenario: Amplifying low-level mV outputs from load cells in factory-floor weighing systems exposed to 50/60 Hz mains noise and thermal gradients. IC Role / Device Role / Timing Role: Precision instrumentation amplifier providing differential gain, CMR >120 dB, and <0.5 µV/°C drift to reject cable-induced common-mode interference and maintain calibration stability. Use Value: Enables 24-bit ADC utilization without software correction, reducing firmware overhead and improving long-term measurement repeatability in ISO-certified production lines. |
Use Scenario: Conditioning microvolt-level cardiac signals from dry electrodes in portable ECG monitors operating on battery power. IC Role / Device Role / Timing Role: Low-noise (0.3 µV p-p), low-drift instrumentation amplifier with input protection - acquires clean biopotentials while surviving electrostatic discharge events during patient handling. Use Value: Eliminates need for discrete protection diodes and external gain-setting resistors, shrinking analog front-end size by 35% and extending battery life via 3.5 mA quiescent current. |
| Automated Test Equipment (ATE) | Strain Gauge Data Loggers |
|
Use Scenario: Multiplexed sensor channel conditioning in benchtop ATE systems requiring 15 µs settling to 0.01% for 20 V steps across G = 1–100. IC Role / Device Role / Timing Role: High-speed instrumentation amplifier with 5 V/µs slew rate and internally compensated loop - delivers deterministic settling behavior without external tuning. Use Value: Supports ≥66 kSPS channel scan rates in 16-channel systems, directly enabling faster production test throughput without custom op-amp compensation networks. |
Use Scenario: Remote structural health monitoring using battery-powered strain gauge nodes deployed on bridges or wind turbine blades. IC Role / Device Role / Timing Role: Precision amplifier with ±15 V supply tolerance and −25°C to +85°C operation - sustains accuracy across extreme ambient temperature swings and intermittent solar charging. Use Value: Achieves <0.01% nonlinearity over full temperature range, eliminating seasonal recalibration visits and reducing maintenance cost by 40% in distributed sensor networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar instrumentation amplifier applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD8429ARZ | Lower 1/f noise (0.1 µV p-p), higher GBW (4.5 GHz), but no pin-programmable gains or offset null pins | Better for ultra-low-noise RF/medical apps; lacks integrated gain switching and calibration flexibility | Select AD8429ARZ only when sub-µV p-p noise dominates design requirements and external gain control is acceptable |
| INA128UA | Higher input bias current (±500 pA), lower CMRR (110 dB at G = 1000), no sense/reference terminals | Suitable for cost-sensitive industrial sensors where 12-bit accuracy suffices and remote sensing is unnecessary | Choose INA128UA for high-volume consumer-grade DAQ where SOIC-8 footprint and $1.20 BOM cost are prioritized over C-grade precision |
Compared with AD8429ARZ and INA128UA, the AD524ARZ-16-REEL7 uniquely combines pin-strappable gains, dual offset nulling, sense/reference terminals, and guaranteed 0.003% nonlinearity - making it the only option for calibrated, multi-gain, field-serviceable instrumentation systems requiring MIL-STD-883B traceability.
Availability
AD524ARZ-16-REEL7 is available at Aetrix Electronics and suitable for industrial weigh scales, medical ECG front-ends, automated test equipment, and strain gauge data loggers requiring stable component supply across extended product lifecycles.
Supply support for AD524ARZ-16-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 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 AD524ARZ-16-REEL7 belongs to Analog Devices' precision instrumentation amplifier product line, engineered specifically for high-accuracy data acquisition in harsh environments where long-term stability, low drift, and robust input protection are mandatory.
FAQ
What is the guaranteed input offset voltage specification for AD524ARZ-16-REEL7?
The AD524ARZ-16-REEL7 is the C-grade version of the AD524 family, with a maximum input offset voltage of 50 µV at +25°C and ≤100 µV over the full −25°C to +85°C operating range. This specification is fully tested and guaranteed on all production units, enabling high-precision applications like medical instrumentation without factory trimming.
Does AD524ARZ-16-REEL7 support pin-programmable gain, and which values are available?
Yes, AD524ARZ-16-REEL7 supports pin-programmable gains of exactly 1, 10, 100, and 1000 via strapping of Pins 13–15 to Pin 16. No external resistors are needed for these four standard gains. The device also supports external gain programming (G = 40 kΩ/RG + 1) using a single precision resistor between Pins 3 and 16 for nonstandard values.
What package type and dimensions does AD524ARZ-16-REEL7 use?
AD524ARZ-16-REEL7 uses a 16-lead SOIC wide-body (RW-16) package measuring 10.3 mm × 7.5 mm with 1.27 mm lead pitch and 2.35 mm maximum height. It is supplied in EIA-481A-compliant tape-and-reel format (750 units per reel), compatible with standard SMT pick-and-place equipment.
Can AD524ARZ-16-REEL7 operate from ±12 V supplies, and what is its quiescent current?
Yes, AD524ARZ-16-REEL7 operates across ±6 V to ±18 V supplies, including ±12 V. Its quiescent current is guaranteed ≤5.0 mA over temperature, with typical consumption of 3.5 mA at +25°C. This allows reliable operation in legacy ±12 V industrial systems while maintaining low power dissipation in thermally constrained enclosures.
How does the SENSE and REFERENCE terminal functionality improve system accuracy in AD524ARZ-16-REEL7?
The SENSE terminal enables remote output sensing to cancel voltage drops across load wiring, while the REFERENCE terminal allows precise DC offset injection up to ±10 V - both features are integral to AD524ARZ-16-REEL7's architecture. Together, they eliminate two major sources of error in distributed sensor systems: lead resistance and ground-loop offsets, without requiring external op-amps or discrete components.
AD524ARZ-16-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 16-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Amplifier Type:
- Instrumentation
- Number of Circuits:
- 1
- Output Type:
- -
- Slew Rate:
- 5V/µs
- Gain Bandwidth Product:
- 1 MHz
- -3db Bandwidth:
- 1 MHz
- Current - Input Bias:
- 50 nA
- Voltage - Input Offset:
- 250 µV
- Current - Supply:
- 3.5mA
- Current - Output / Channel:
- -
- Voltage - Supply Span (Min):
- 12 V
- Voltage - Supply Span (Max):
- 36 V
- Operating Temperature:
- -25°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-SOIC
AD524ARZ-16-REEL7 FAQ
1.How can I place an order for AD524ARZ-16-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD524ARZ-16-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 AD524ARZ-16-REEL7 reliable?
The price and inventory of AD524ARZ-16-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD524ARZ-16-REEL7 is usually 5 days.
3.What payment methods are accepted for AD524ARZ-16-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD524ARZ-16-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD524ARZ-16-REEL7?
AD524ARZ-16-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD524ARZ-16-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 AD524ARZ-16-REEL7?
For technical support, including AD524ARZ-16-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD524ARZ-16-REEL7 requirements.
6.How does Aetrix verify that AD524ARZ-16-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD524ARZ-16-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 AD524ARZ-16-REEL7 meets industry standards.
7.What is the process for return or replacement of AD524ARZ-16-REEL7?
All AD524ARZ-16-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD524ARZ-16-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 AD524ARZ-16-REEL7 part is unused and in its original packaging.
Return procedure for AD524ARZ-16-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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