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Analog Devices Inc./Maxim Integrated MAX6071AAUT30/V+T
- Part No.:
- MAX6071AAUT30/V+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- SOT-23-6
- Datasheet:
-
MAX6071AAUT30/V+T.pdf
- Description:
- IC VREF SERIES 0.04% SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:2,061
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Product details
Overview
MAX6071AAUT30/V+T from Analog Devices is a precision 3.0V low-noise, low-drift series voltage reference in a 6-pin SOT23 package. It delivers ±0.04% initial accuracy, 6ppm/°C max temperature drift (A grade), and 4.8µVP-P 1/f noise (0.1Hz–10Hz) at 3.0V output, enabling high-accuracy ADC/DAC biasing in industrial process control systems.
For engineers reviewing the MAX6071AAUT30/V+T datasheet, MAX6071AAUT30/V+T pinout, MAX6071AAUT30/V+T application, or MAX6071AAUT30/V+T equivalent, key selection criteria include its 3.0V fixed output, 150µA quiescent current, 10mA sink/source capability, 150mV max dropout at 10mA, and AEC-Q100 qualification for automotive-grade reliability.
Technical Context
The MAX6071AAUT30/V+T implements a bandgap-based series voltage reference architecture with separate force (OUTF) and sense (OUTS) outputs to reject PCB trace resistance errors. Its dual-ground structure-GNDF (force ground) and GNDS (sense ground)-enables Kelvin sensing for load regulation stability under varying current conditions.
Unlike the MAX6070, this variant omits the FILTER pin and associated noise-reduction capacitor option, simplifying layout while retaining ultra-low 1/f noise performance. It operates across –40°C to +125°C with guaranteed 6ppm/°C drift and supports supply voltages from 3.5V to 5.5V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 3.000V ±0.04% at +25°C - enables direct interface with 3.0V logic and SAR ADC references without scaling. |
| Temp Drift (max) | 6ppm/°C (A grade) - ensures ≤180ppm total drift over –40°C to +125°C, critical for uncalibrated field instrumentation. |
| 1/f Noise | 4.8µVP-P (0.1Hz–10Hz) - minimizes low-frequency error in high-resolution DC measurements (e.g., 24-bit ΣΔ ADCs). |
| Quiescent Current | 150µA typical - allows battery-powered portable test equipment to achieve multi-year operation on coin cells. |
| Load Current | ±10mA - supports driving 10kΩ DAC reference inputs or sourcing 5mA to precision current sources. |
| Dropout Voltage | 150mV max at 10mA - permits operation from 3.15V supplies, easing LDO selection in 3.3V rail-constrained designs. |
| Supply Range | 3.5V to 5.5V - compatible with standard 3.3V and 5V system rails while maintaining regulation margin. |
Pinout & Package
Package: 6-pin SOT23 (U6+5/U6+5A), 2.9mm × 1.6mm footprint, JEDEC MS-012 compliant, RoHS-compliant lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - GNDF | Force Ground | Return path for internal reference core; must be connected to local ground plane near device to minimize noise coupling. |
| 2 - GNDS | Sense Ground | Feedback return for OUTS; connect directly to load ground to eliminate IR drop error in remote-sensing applications. |
| 3 - EN | Enable Input | Active-high digital control (VIH ≥ 0.7×VIN); enables 6µA shutdown current for power cycling in sleep-mode systems. |
| 4 - IN | Supply Input | Input for regulated 3.5V–5.5V supply; requires 0.1µF ceramic bypass capacitor placed within 2mm of pin. |
| 5 - OUTS | Sense Output | High-impedance reference voltage node; connect directly to ADC REF+ or DAC VREF pin to avoid trace resistance error. |
| 6 - OUTF | Force Output | Low-impedance output; short to OUTS at load point via shortest possible trace to maintain Kelvin connection integrity. |
Key Features
| Feature | Design Value |
|---|---|
| Separate Force/Sense Outputs | Enables true Kelvin connection to load, eliminating up to 100mV error from 100mΩ PCB trace resistance at 10mA. |
| AEC-Q100 Qualified | Rated for automotive applications (Grade 1: –40°C to +125°C), including engine control modules and ADAS sensor signal conditioning. |
| Ultra-Low 1/f Noise | 4.8µVP-P (0.1Hz–10Hz) at 3.0V - reduces RMS noise contribution by >50% vs. standard bandgap references in precision weigh-scale front-ends. |
| High Ripple Rejection | 84dB at 60Hz - suppresses power-supply hum in industrial PLC analog input modules powered from unregulated AC-DC converters. |
| Stable with Capacitive Loads | 0.1µF to 10µF output capacitance range - accommodates ceramic, tantalum, or polymer caps without oscillation in noisy factory environments. |
Applications
| High-Accuracy Industrial Process Control | Precision Instrumentation |
|---|---|
Use Scenario: 4–20mA loop-powered transmitter measuring pressure/temperature in oil & gas refineries. IC Role / Device Role / Timing Role: Provides stable 3.0V reference for 24-bit ΣΔ ADC and DAC used in sensor linearization and HART communication modulation. Use Value: 6ppm/°C drift ensures <±0.03% full-scale error over ambient temperature swings, meeting ISA-S84 SIL-2 functional safety requirements. | Use Scenario: Portable handheld multimeter with autoranging and true-RMS conversion. IC Role / Device Role / Timing Role: Supplies excitation voltage and reference for dual-slope integrator and ADC reference in 6½-digit measurement engine. Use Value: 4.8µVP-P 1/f noise prevents low-frequency drift during 1-second integration cycles, preserving 10ppm measurement repeatability. |
| High-Resolution ADCs and DACs | Precision Current Sources |
Use Scenario: Medical EEG amplifier digitizing microvolt-level neural signals with 24-bit resolution. IC Role / Device Role / Timing Role: Reference source for simultaneous sampling ADC array; OUTF/OUTS configuration rejects ground bounce from digital processing cores. Use Value: Dual-ground topology maintains <1 LSB error even when digital subsystem draws transient 200mA pulses on shared PCB ground. | Use Scenario: Programmable LED driver for surgical lighting requiring 0.1% optical intensity stability. IC Role / Device Role / Timing Role: Sets reference voltage for transconductance amplifier controlling MOSFET gate voltage in constant-current loop. Use Value: ±0.04% initial accuracy and 150µA supply current enable <0.2% total current error budget while minimizing thermal self-heating in sealed enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF3430RTER | 3.0V output, 3ppm/°C max drift, 3.8µVP-P noise, but only 5mA output drive and no sense/force outputs. | Lacks Kelvin sensing; unsuitable for high-current or long-trace reference routing. | Select when ultra-low drift outweighs load drive and sensing needs, e.g., calibration equipment with fixed 1kΩ loads. |
| ADR4530BRZ | 3.0V output, 3ppm/°C max drift, 4.5µVP-P noise, SOIC-8 package (larger footprint), higher 950µA quiescent current. | SOIC-8 limits board density; higher supply current precludes battery operation. | Select when lowest possible drift is mandatory and space/power constraints are secondary, e.g., laboratory-grade data acquisition systems. |
Compared with REF3430RTER and ADR4530BRZ, the MAX6071AAUT30/V+T uniquely balances 6ppm/°C drift, ±10mA drive, Kelvin sensing, and 150µA quiescent current in a 6-pin SOT23-making it optimal for space-constrained, battery-aware industrial sensors requiring robust ground-error rejection.
Availability
MAX6071AAUT30/V+T is available at Aetrix Electronics and suitable for high-accuracy industrial process control, precision instrumentation, and automotive sensor modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6071AAUT30/V+T 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 MAX6070/MAX6071 family was designed specifically for high-precision voltage reference applications demanding ultra-low noise, low drift, and Kelvin-sensing capability in compact packages for harsh-environment instrumentation.
FAQ
What is the output voltage tolerance of the MAX6071AAUT30/V+T at room temperature?
The MAX6071AAUT30/V+T has an output voltage tolerance of ±0.04% at +25°C, corresponding to ±1.2mV deviation from its nominal 3.000V output. This tight initial accuracy eliminates the need for post-manufacturing trimming in most high-end data acquisition and calibration systems, reducing production cost and test time for the MAX6071AAUT30/V+T.
Does the MAX6071AAUT30/V+T support shutdown mode, and what is its quiescent current in that state?
Yes, the MAX6071AAUT30/V+T supports active-high enable control (EN pin). When EN is driven low, the device enters shutdown mode with a maximum supply current of 6µA. This ultra-low shutdown current makes the MAX6071AAUT30/V+T suitable for energy-harvesting and battery-backed systems where standby power must remain below 10µW.
Can the MAX6071AAUT30/V+T drive a 10kΩ load while maintaining specified accuracy?
Yes, the MAX6071AAUT30/V+T can drive a 10kΩ load (300µA at 3.0V) with minimal error: its load regulation is specified at 100µV/mA (sink) and 90µV/mA (source), resulting in <30µV shift - well within its ±1.2mV initial tolerance. This capability ensures stable reference performance for high-impedance ADC inputs and op-amp bias networks in the MAX6071AAUT30/V+T.
What is the minimum supply voltage required for the MAX6071AAUT30/V+T to regulate at full 3.0V output?
The MAX6071AAUT30/V+T requires a minimum supply voltage of 3.15V to maintain regulation at full 3.0V output under worst-case conditions (10mA load, –40°C to +125°C), based on its 150mV max dropout specification. The device's supply range is specified from 3.5V to 5.5V, ensuring reliable operation with standard 3.3V LDOs having ≥150mV headroom, as confirmed in the MAX6071AAUT30/V+T datasheet.
Is the MAX6071AAUT30/V+T qualified for automotive applications, and which AEC-Q100 grade does it meet?
Yes, the MAX6071AAUT30/V+T is AEC-Q100 qualified for automotive applications and meets Grade 1 specifications (–40°C to +125°C operating temperature). This qualification covers stress testing for temperature cycling, humidity, ESD, and mechanical shock, making the MAX6071AAUT30/V+T suitable for under-hood engine control units, transmission control modules, and ADAS sensor signal chains.
MAX6071AAUT30/V+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- SOT-23-6
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Current - Output:
- 10 mA
- Tolerance:
- ±0.04%
- Temperature Coefficient:
- 6ppm/°C
- Noise - 0.1Hz to 10Hz:
- 4.6µVp-p
- Noise - 10Hz to 10kHz:
- 7.8µVrms
- Voltage - Input:
- 3V ~ 5.5V
- Current - Supply:
- 300µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-6
MAX6071AAUT30/V+T FAQ
1.How can I place an order for MAX6071AAUT30/V+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6071AAUT30/V+T 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 MAX6071AAUT30/V+T reliable?
The price and inventory of MAX6071AAUT30/V+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6071AAUT30/V+T is usually 5 days.
3.What payment methods are accepted for MAX6071AAUT30/V+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6071AAUT30/V+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6071AAUT30/V+T?
MAX6071AAUT30/V+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6071AAUT30/V+T 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 MAX6071AAUT30/V+T?
For technical support, including MAX6071AAUT30/V+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6071AAUT30/V+T requirements.
6.How does Aetrix verify that MAX6071AAUT30/V+T is sourced from the original manufacturer or authorized distributors?
All MAX6071AAUT30/V+T 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 MAX6071AAUT30/V+T meets industry standards.
7.What is the process for return or replacement of MAX6071AAUT30/V+T?
All MAX6071AAUT30/V+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6071AAUT30/V+T, 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 MAX6071AAUT30/V+T part is unused and in its original packaging.
Return procedure for MAX6071AAUT30/V+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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