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Analog Devices Inc. ADR365AUJZ-REEL7
- Part No.:
- ADR365AUJZ-REEL7
- Manufacturer:
- Analog Devices Inc.
- Category:
- Voltage Reference
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
ADR365AUJZ-REEL7.pdf
- Description:
- IC VREF SERIES 0.16% TSOT5
- Quantity:
- Payment:
- Shipping:
Inventory:6,545
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Product details
Overview
ADR365AUJZ-REEL7 from Analog Devices is a precision 5.000 V band gap voltage reference IC with sink/source capability, 25 ppm/°C temperature coefficient (A grade), ±8 mV initial accuracy, and ultralow 12.8 µVp-p (0.1 Hz to 10 Hz) output noise. It operates from −40°C to +125°C with 300 mV dropout and 190 µA max quiescent current, serving as a stable reference in high-resolution data acquisition systems.
For engineers reviewing the ADR365AUJZ-REEL7 datasheet, ADR365AUJZ-REEL7 pinout, ADR365AUJZ-REEL7 application, or ADR365AUJZ-REEL7 equivalent, this device is selected for low-power, low-noise analog signal chains requiring tight DC accuracy, minimal thermal drift, and robust load regulation across industrial and automotive temperature ranges.
Technical Context
The ADR365AUJZ-REEL7 uses proprietary curvature-corrected band gap architecture where the reference is referenced to VOUT-not ground-enabling strong rejection of ground noise. Its internal design eliminates need for external capacitors while maintaining stability under sourcing (+5 mA) and sinking (−1 mA) loads.
It achieves 25 ppm/°C tempco over −40°C to +125°C via laser-trimmed resistor networks and PTAT compensation. Line regulation is 0.25 mV/V (typical), and load regulation is 0.9 mV/mA (sourcing) and 2.0 mV/mA (sinking) at 6 V input, confirming suitability for dynamic load environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.000 V nominal; guaranteed 4.992 V to 5.008 V at 25°C (A grade) - enables direct interface with 5 V ADCs and DACs without scaling. |
| Initial Accuracy | ±8 mV (±0.16%) - supports 16-bit system accuracy without calibration in many applications. |
| Tempco | 25 ppm/°C over −40°C to +125°C - ensures ≤ ±3.125 mV drift across full operating range. |
| Output Noise | 12.8 µVp-p, 0.1 Hz to 10 Hz - critical for high-resolution sigma-delta ADCs and precision sensor front-ends. |
| Dropout Voltage | 300 mV - allows operation from 5.3 V supply, enabling use with low-headroom LDOs or battery inputs down to ~5.3 V. |
| Quiescent Current | 190 µA max - supports multi-year battery life in portable instrumentation. |
| Sink/Source Capability | +5 mA / −1 mA - permits direct driving of small loads (e.g., op-amp bias, DAC reference input) without buffer. |
Pinout & Package
ADR365AUJZ-REEL7 is housed in a 5-lead TSOT (UJ-5) package with exposed pad for thermal performance. The package measures 2.1 mm × 2.3 mm × 0.9 mm (max height) and is RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (NIC) | Not Internally Connected | No internal connection; must be left floating or grounded per PCB layout best practices - no functional impact. |
| 2 (GND) | Ground Reference | Primary return path for reference core and output stage; requires low-impedance connection to system ground plane. |
| 3 (VIN) | Input Supply | Accepts 5.3 V to 15 V; minimum headroom 300 mV above VOUT ensures regulation under all conditions. |
| 4 (VOUT) | Stable Output Voltage | Delivers precise 5.000 V; capable of sourcing up to +5 mA or sinking up to −1 mA into connected circuitry. |
| 5 (TRIM) | Voltage Trim Terminal | Allows fine adjustment of output (±0.5% typical range) using external resistor divider; not required for standard operation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultralow 0.1 Hz–10 Hz noise | 12.8 µVp-p - directly improves effective resolution in precision measurement systems without post-filtering. |
| No external capacitor required | Internally compensated for stability with any capacitive load - reduces BOM count and board area by eliminating output capacitor. |
| Low dropout (300 mV) | Enables operation from single-cell Li-ion (nominal 3.7 V) when paired with ≥5.3 V supply rail - supports compact power architectures. |
| Sink/source capability | +5 mA / −1 mA output drive - eliminates need for external buffer op-amps in many reference distribution circuits. |
| Laser-trimmed accuracy | ±8 mV initial error (A grade) - enables factory-calibration-free designs in cost-sensitive industrial sensors and DAQ modules. |
Applications
| Portable Medical Instrumentation | Battery-Powered Data Acquisition |
|---|---|
Use Scenario: ECG front-end with 24-bit delta-sigma ADC requiring stable reference under varying battery voltage and temperature. IC Role / Device Role / Timing Role: Primary voltage reference for ADC and analog signal conditioning chain. Use Value: 12.8 µVp-p noise and 25 ppm/°C tempco ensure <1 LSB error over full medical operating range (−20°C to +55°C). |
Use Scenario: Handheld multimeter with auto-ranging, dual-slope integration, and low-power sleep mode. IC Role / Device Role / Timing Role: Precision reference for integrator and comparator thresholds. Use Value: 190 µA quiescent current and no external capacitor reduce standby power and component count. |
| Industrial Process Control Sensor Node | Automotive Cabin Temperature Monitoring |
Use Scenario: 4–20 mA transmitter with HART modulation, operating continuously at 85°C ambient. IC Role / Device Role / Timing Role: Reference for current loop DAC and sensor excitation circuit. Use Value: Guaranteed operation to +125°C and 0.25 mV/V line regulation maintain 0.1% accuracy despite supply ripple from switching regulators. |
Use Scenario: NTC-based cabin temperature sensor with microcontroller ADC in HVAC control module. IC Role / Device Role / Timing Role: Stable 5 V reference for ratiometric ADC measurement. Use Value: Qualified for automotive use with −40°C to +125°C operation and 50 ppm long-term stability ensure 10+ year reliability without recalibration. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR365BUJZ-REEL7 | 9 ppm/°C tempco (B grade), ±4 mV initial accuracy, same 5 V output and package. | Required where tighter thermal drift is needed (e.g., lab-grade instruments), but higher cost and same supply/load specs. | Select ADR365BUJZ-REEL7 only if system-level drift budget demands <±1.5 mV over −40°C to +125°C. |
| REF5050AIDR | 3 ppm/°C max tempco, ±1.5 mV initial accuracy, SOIC-8 package, 3.8 mA quiescent current. | Higher accuracy and lower drift, but larger footprint and 20× higher supply current - suited for mains-powered test equipment. | Choose REF5050AIDR when absolute precision outweighs size and power constraints; not drop-in due to different pinout and package. |
Compared with ADR365AUJZ-REEL7, the ADR365BUJZ-REEL7 offers superior thermal stability at modest cost increase, while REF5050AIDR delivers laboratory-grade accuracy at the expense of power and board space - making ADR365AUJZ-REEL7 optimal for cost-sensitive, battery-constrained industrial and automotive applications.
Availability
ADR365AUJZ-REEL7 is available at Aetrix Electronics and suitable for battery-powered instruments, portable medical instruments, and industrial process controls requiring stable component supply with guaranteed long-term availability and traceable lot history.
Supply support for ADR365AUJZ-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, headquartered in Norwood, MA, with R&D and manufacturing operations worldwide.
The ADR36x family was designed specifically for micropower, low-noise, high-accuracy voltage reference needs in space-constrained, battery-operated, and thermally demanding applications - emphasizing ease of use, no external components, and automotive qualification.
FAQ
What is the operating temperature range for ADR365AUJZ-REEL7?
The ADR365AUJZ-REEL7 is rated for operation from −40°C to +125°C, meeting AEC-Q200 requirements for automotive-grade reliability. This range is explicitly specified for the A grade variant in the Rev. E datasheet, Table 6 and Absolute Maximum Ratings section.
Does ADR365AUJZ-REEL7 require an external output capacitor?
No, ADR365AUJZ-REEL7 does not require an external output capacitor. Its internal compensation ensures stability with any capacitive load, including direct connection to ADC reference inputs or op-amp buffers - a key feature confirmed in the General Description and Applications Information sections.
What is the maximum load current ADR365AUJZ-REEL7 can source and sink?
ADR365AUJZ-REEL7 can source up to +5 mA and sink up to −1 mA, as specified in Table 6 (ADR365 Electrical Characteristics) under "OUTPUT CURRENT". This bidirectional capability supports active biasing and current-mode interfaces without external transistors.
How does the TRIM pin function on ADR365AUJZ-REEL7?
The TRIM pin (Pin 5) allows fine adjustment of the output voltage using an external resistor divider. Per Table 10 and Figure 2, it enables ±0.5% typical output tuning - useful for system-level calibration but optional for standard operation where factory-trimmed accuracy suffices.
Is ADR365AUJZ-REEL7 qualified for automotive applications?
ADR365AUJZ-REEL7 is not automotive-qualified; only the H grade (e.g., ADR365WHUJZ-R7) and specific WAUJZ variants are listed in the Ordering Guide for automotive use. The A grade ADR365AUJZ-REEL7 is rated for industrial temperature range (−40°C to +125°C) and is not AEC-Q200 certified.
ADR365AUJZ-REEL7 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.16%
- Temperature Coefficient:
- 25ppm/°C
- Noise - 0.1Hz to 10Hz:
- 12.8µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- 5.3V ~ 15V
- Current - Supply:
- 190µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- TSOT-23-5
ADR365AUJZ-REEL7 FAQ
1.How can I place an order for ADR365AUJZ-REEL7 through Aetrix?
Please submit a Request for Quotation (RFQ) for ADR365AUJZ-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 ADR365AUJZ-REEL7 reliable?
The price and inventory of ADR365AUJZ-REEL7 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADR365AUJZ-REEL7 is usually 5 days.
3.What payment methods are accepted for ADR365AUJZ-REEL7?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADR365AUJZ-REEL7 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADR365AUJZ-REEL7?
ADR365AUJZ-REEL7 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADR365AUJZ-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 ADR365AUJZ-REEL7?
For technical support, including ADR365AUJZ-REEL7 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADR365AUJZ-REEL7 requirements.
6.How does Aetrix verify that ADR365AUJZ-REEL7 is sourced from the original manufacturer or authorized distributors?
All ADR365AUJZ-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 ADR365AUJZ-REEL7 meets industry standards.
7.What is the process for return or replacement of ADR365AUJZ-REEL7?
All ADR365AUJZ-REEL7 units undergo pre-shipment inspection (PSI). If there is an issue with ADR365AUJZ-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 ADR365AUJZ-REEL7 part is unused and in its original packaging.
Return procedure for ADR365AUJZ-REEL7:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
ADR365AUJZ-REEL7 Tags
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