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Analog Devices Inc. AD587JR-REEL7
- Part No.:
- AD587JR-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
AD587JR-REEL7.pdf
- Description:
- IC VREF SERIES 0.1% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,348
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Product details
Overview
AD587JR-REEL7 from Analog Devices is a precision 10 V monolithic voltage reference IC using a buried Zener diode architecture, delivering ±10 mV initial accuracy, 20 ppm/°C max temperature coefficient over 0°C to 70°C, and 4 μV p-p (0.1 Hz–10 Hz) output noise. It serves as a high-stability external reference for 12-bit and 14-bit DACs and ADCs in industrial data acquisition systems.
For engineers reviewing the AD587JR-REEL7 datasheet, AD587JR-REEL7 pinout, AD587JR-REEL7 application, or AD587JR-REEL7 equivalent, key selection criteria include its SOIC_N-8 package compatibility, noise-reduction pin (Pin 8), fine-trim capability (Pin 5), and guaranteed load regulation of ±100 μV/mA across 0–10 mA sourcing current.
Technical Context
The AD587JR-REEL7 integrates a laser-trimmed buried Zener diode with a precision buffer amplifier and thin-film resistors to achieve low-drift, low-noise 10 V output without external compensation. Its internal temperature-compensation network ensures monotonic drift behavior within the J-grade specification range.
It features dedicated terminals for noise reduction (Pin 8, accepts external capacitor to ground) and output fine trimming (Pin 5, ±3% gain adjust), both electrically isolated from the core reference path to preserve long-term stability. The device operates from +13.5 V to +36 V input while drawing ≤4 mA quiescent current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 10.000 V ±10 mV at 25°C - enables direct substitution for legacy 10 V references with minimal system recalibration. |
| Tempco (0°C to 70°C) | 20 ppm/°C max - limits total output drift to ±1.4 mV across full operating range, critical for unattended measurement systems. |
| Output Noise (0.1–10 Hz) | 4 μV p-p typical - supports high-resolution digitization without added filtering in 14-bit+ converter applications. |
| Load Regulation | ±100 μV/mA (0–10 mA sourcing) - maintains voltage accuracy under dynamic converter reference current demands. |
| Quiescent Current | ≤4 mA at 15 V - allows use in low-power portable instrumentation without thermal derating concerns. |
| Short-Circuit Protection | Indefinite short-to-ground, momentary short-to-VIN - survives accidental wiring faults during board bring-up. |
| Power Supply Range | +13.5 V to +36 V - accommodates standard industrial 15 V and 24 V rails with margin for line transients. |
Pinout & Package
AD587JR-REEL7 is housed in an 8-lead SOIC_N (R-8) package per JEDEC MS-012-AA, with 1.27 mm lead pitch, 5.00 mm × 4.00 mm body, and 1.75 mm maximum height. Pin 1 is marked by a beveled corner or dot; pins 1, 3, and 7 are internal test points and must remain unconnected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 2 (+VIN) | Positive supply input | Accepts 13.5–36 V DC; supplies internal Zener and amplifier; requires local 0.1 µF bypass to GND. |
| Pin 4 (GND) | Analog ground reference | Return path for reference output and internal circuitry; must connect to clean analog ground plane. |
| Pin 5 (TRIM) | Fine output voltage adjustment | Accepts external 10 kΩ potentiometer to shift output ±300 mV; preserves tempco and noise performance. |
| Pin 6 (VOUT) | Precision 10 V output | Delivers regulated 10 V with <1 µV p-p noise floor when used with noise-reduction capacitor on Pin 8. |
| Pin 8 (NOISE REDUCTION) | Noise filter node | Connects externally to GND via 1 µF capacitor to reduce broadband noise by ~40 µV p-p in 1 MHz bandwidth. |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed buried Zener | Enables ±10 mV initial accuracy and 20 ppm/°C tempco without external components or calibration. |
| Dedicated noise-reduction pin | Allows >50% reduction in 1 MHz noise with 1 µF capacitor-critical for sigma-delta ADC front-ends. |
| Fine-trim terminal | Supports system-level calibration to exact 10.000 V or binary-aligned values (e.g., 10.24 V) without degrading stability. |
| Industry-standard SOIC_N-8 pinout | Enables drop-in replacement of legacy 10 V references (e.g., REF02, LT1021) without PCB redesign. |
| MIL-STD-883-compliant variants available | Confirms suitability for aerospace and defense programs requiring extended reliability screening and traceability. |
Applications
| High-Accuracy Data Acquisition | Industrial PLC Analog I/O Modules |
|---|---|
|
Use Scenario: 14-bit simultaneous-sampling ADC subsystem measuring strain gauge and RTD signals in factory automation. IC Role / Device Role / Timing Role: Primary 10 V reference for dual-channel SAR ADCs, providing stable excitation and conversion基准. Use Value: 20 ppm/°C tempco ensures <±2 LSB error over 0–70°C ambient, eliminating need for per-channel software correction. |
Use Scenario: Modular analog input card accepting 4–20 mA, ±10 V, and thermocouple inputs in distributed control systems. IC Role / Device Role / Timing Role: Shared reference source for multiplexed 12-bit DACs generating calibrated loop-current setpoints. Use Value: ±100 μV/mA load regulation prevents cross-channel gain error when multiple DACs draw reference current sequentially. |
| Battery-Powered Portable Test Equipment | Medical Instrumentation Calibration |
|
Use Scenario: Handheld multimeter with auto-ranging 16-bit delta-sigma ADC and internal self-calibration routine. IC Role / Device Role / Timing Role: Stable 10 V reference for internal offset/gain calibration against onboard precision shunt. Use Value: 4 μV p-p low-frequency noise avoids integration-time-dependent errors in sub-100 nV resolution measurements. |
Use Scenario: ECG signal conditioner requiring traceable 10 V reference for analog front-end gain calibration per IEC 60601-2-27. IC Role / Device Role / Timing Role: Certified reference for production-line calibration of differential amplifiers and anti-alias filters. Use Value: Laser-trimmed accuracy and ±15 ppm/1000 hr long-term stability meet medical device regulatory requirements for calibration integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF02FPZ | Higher initial error (±15 mV), higher tempco (25 ppm/°C), no noise-reduction pin. | Lacks fine-trim and noise-filtering capability; less suitable for 14-bit+ systems requiring <±1 LSB drift. | Select REF02FPZ only if cost sensitivity outweighs need for lowest noise and trim flexibility. |
| LT1021DCN-10#PBF | Lower quiescent current (1.2 mA), but higher noise (10 μV p-p), no TRIM pin, PDIP-only packaging. | Not pin-compatible; requires layout change; unsuitable where SOIC_N footprint and noise reduction are mandatory. | Choose LT1021DCN-10#PBF only for ultra-low-power battery applications where 10 μV p-p noise is acceptable. |
Compared with REF02FPZ and LT1021DCN-10#PBF, AD587JR-REEL7 uniquely combines SOIC_N-8 pin compatibility, integrated noise-reduction capability, and ±10 mV/20 ppm/°C performance in a single monolithic solution-enabling upgrade paths without hardware revision while meeting stringent 14-bit converter reference requirements.
Availability
AD587JR-REEL7 is available at Aetrix Electronics and suitable for high-accuracy data acquisition, industrial PLC analog I/O modules, and battery-powered portable test equipment requiring stable component supply and long-term parametric consistency.
Supply support for AD587JR-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, communications, automotive, and healthcare markets since 1965.
The AD587 belongs to Analog Devices' precision voltage reference product line, engineered specifically for metrology-grade accuracy, low noise, and robust thermal stability in converter-based measurement systems.
FAQ
What is the maximum input voltage rating for AD587JR-REEL7?
The AD587JR-REEL7 has an absolute maximum +VIN-to-ground rating of 36 V. Operation above this voltage risks permanent damage. For reliable long-term use, Analog Devices specifies the recommended operating range as +13.5 V to +36 V, with optimal performance observed at +15 V. Exceeding 36 V-even momentarily-may degrade the buried Zener structure irreversibly.
Can AD587JR-REEL7 be used to generate a negative reference voltage?
Yes, AD587JR-REEL7 can be configured as a −10.000 V reference by grounding the VOUT pin (Pin 6), connecting the GND pin (Pin 4) to a negative supply via a current-limiting resistor (RS < 1 kΩ), and tying +VIN (Pin 2) to ≥+3.5 V. This reverse configuration maintains the same temperature coefficient and long-term stability as the standard +10 V mode, provided net current through the AD587JR-REEL7 remains between 2.5 mA and 10 mA.
Does AD587JR-REEL7 require external capacitors for stability?
AD587JR-REEL7 does not require external capacitors for basic stability, but a 0.1 µF ceramic capacitor between +VIN and GND is strongly recommended for power supply decoupling. Additionally, a 1 µF capacitor between the NOISE REDUCTION pin (Pin 8) and GND reduces broadband noise by ~40 µV p-p. No output capacitor is needed-and adding one may degrade transient response.
What is the purpose of the TRIM pin on AD587JR-REEL7?
The TRIM pin (Pin 5) on AD587JR-REEL7 enables fine adjustment of the output voltage by ±3% (±300 mV) using an external 10 kΩ potentiometer. This allows system-level calibration to exactly 10.000 V or application-specific values like 10.24 V for binary-aligned DACs-without affecting temperature coefficient, noise, or long-term drift specifications.
Is AD587JR-REEL7 RoHS compliant?
Yes, AD587JR-REEL7 is RoHS compliant. The "Z" suffix is omitted in this part number, but per Analog Devices' ordering guide and packaging documentation, all AD587JR-REEL7 units shipped after July 2006 conform to EU RoHS Directive 2002/95/EC, with lead-free terminations and halogen-free molding compound. Full compliance documentation is available upon request.
AD587JR-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 10V
- Voltage - Output (Max):
- -
- Current - Output:
- 10 mA
- Tolerance:
- ±0.1%
- Temperature Coefficient:
- 20ppm/°C
- Noise - 0.1Hz to 10Hz:
- 4µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- 13.5V ~ 36V
- Current - Supply:
- 4mA
- Current - Cathode:
- -
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
AD587JR-REEL7 FAQ
1.How can I place an order for AD587JR-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for AD587JR-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 AD587JR-REEL7 reliable?
The price and inventory of AD587JR-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AD587JR-REEL7 is usually 5 days.
3.What payment methods are accepted for AD587JR-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AD587JR-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AD587JR-REEL7?
AD587JR-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AD587JR-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 AD587JR-REEL7?
For technical support, including AD587JR-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AD587JR-REEL7 requirements.
6.How does Aetrix verify that AD587JR-REEL7 is sourced from the original manufacturer or authorized distributors?
All AD587JR-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 AD587JR-REEL7 meets industry standards.
7.What is the process for return or replacement of AD587JR-REEL7?
All AD587JR-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with AD587JR-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 AD587JR-REEL7 part is unused and in its original packaging.
Return procedure for AD587JR-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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