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Analog Devices Inc./Maxim Integrated MAX6061AEUR+T
- Part No.:
- MAX6061AEUR+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6061AEUR+T.pdf
- Description:
- IC VREF SERIES 1.248V SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,136
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Product details
Overview
MAX6061AEUR+T from Maxim Integrated is a precision, micropower, low-dropout series voltage reference delivering 1.248V output with ±0.2% (max) initial accuracy and 20ppm/°C (max) temperature coefficient over –40°C to +85°C. It sources up to 5mA or sinks 2mA, draws only 90µA quiescent current, and operates from 2.5V to 12.6V input - ideal for high-accuracy ADC biasing in portable battery-powered systems.
For engineers reviewing the MAX6061AEUR+T datasheet, MAX6061AEUR+T pinout, MAX6061AEUR+T application, or MAX6061AEUR+T equivalent, this page delivers verified electrical specs, SOT23-3 terminal roles, real-world use cases in precision analog signal chains, and validated alternative options for design flexibility and supply continuity.
Technical Context
The MAX6061AEUR+T is a three-terminal, series-mode voltage reference featuring proprietary curvature-correction circuitry and laser-trimmed thin-film resistors. Its architecture eliminates need for external compensation capacitors while maintaining stability with capacitive loads - a key differentiator from shunt-mode references.
It achieves ultra-low supply current variation (≤8µA/V) across its 2.5V–12.6V input range and guarantees ≤200mV dropout at 1mA load. The device's 13µVp-p (0.1Hz–10Hz) noise and 86dB ripple rejection support high-resolution data acquisition where reference integrity directly impacts ENOB.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 1.248V (±0.2% max initial error at +25°C - enables direct interface with 12-bit+ SAR ADCs without calibration) |
| Tempco | 20ppm/°C max - ensures ≤±0.25% output drift over full –40°C to +85°C range, critical for field-deployed instrumentation |
| Quiescent Current | 90µA typical - supports >1-year battery life in coin-cell-powered IoT sensors drawing <10µA average system current |
| Dropout Voltage | 200mV max at 1mA - allows operation from single Li-ion cell (3.0V min) while powering 1.25V reference + downstream LDO |
| Noise (0.1–10Hz) | 13µVp-p - contributes <0.01 LSB error in 16-bit 1.25V full-scale ADC systems |
| Line Regulation | 10µV/V max - limits output shift to <12µV over 2.5V–12.6V input swing, simplifying unregulated supply designs |
| Load Regulation | 0.9mV/mA max sourcing - maintains <4.5mV error across 0–5mA load, suitable for driving ADC reference inputs and op-amp bias networks |
Pinout & Package
MAX6061AEUR+T is housed in a 3-pin SOT23-3 package (JEDEC MO-178AA), with 1.3mm × 2.9mm footprint and 1.0mm height - optimized for space-constrained PCB layouts in handheld medical and test equipment.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input Voltage Supply | Accepts 2.5V–12.6V; internal regulation rejects supply ripple - no external resistor required unlike shunt references |
| 2 (OUT) | Precision Reference Output | 1.248V source/sink node; stable without output capacitor; drives capacitive loads up to 1µF directly |
| 3 (GND) | Analog Ground Reference | Low-impedance return path; must be connected to clean analog ground plane to preserve 20ppm/°C tempco performance |
Key Features
| Feature | Design Value |
|---|---|
| No external capacitor required | Internally compensated - saves ≥1.5mm² board area vs. competitors needing 0.1µF output cap for stability |
| Ultra-low quiescent current | 90µA typical, ≤8µA/V VIN dependence - enables always-on monitoring in energy-harvesting nodes |
| High output drive capability | ±5mA sourcing/sinking - directly biases multiple ADC reference inputs or op-amp VREF pins without buffer |
| Low 0.1–10Hz noise | 13µVp-p - meets noise floor requirements for 16-bit precision data loggers and weigh-scale front-ends |
| Stable with capacitive loads | Operates robustly with 0–1µF output capacitance - accommodates EMI filtering or long trace routing without oscillation |
Applications
| Portable DMM Front-End | Medical Pulse Oximeter ADC Bias |
|---|---|
Use Scenario: Handheld digital multimeter measuring mV-range DC signals with 16-bit resolution. IC Role / Device Role / Timing Role: Provides stable 1.248V reference for SAR ADC and gain-setting DAC. Use Value: ±0.2% initial accuracy and 20ppm/°C tempco ensure <0.05% measurement error across operating temperature without auto-calibration. |
Use Scenario: Battery-powered pulse oximeter requiring low-noise analog front-end for photodiode current measurement. IC Role / Device Role / Timing Role: Supplies ultra-low-noise 1.248V reference to transimpedance amplifier and ADC. Use Value: 13µVp-p (0.1–10Hz) noise prevents degradation of SpO₂ calculation accuracy under low-perfusion conditions. |
| Industrial Sensor Transmitter | Smart Energy Meter Reference |
Use Scenario: 4–20mA loop-powered temperature transmitter with HART modulation. IC Role / Device Role / Timing Role: Precision reference for RTD-to-digital conversion and DAC output scaling. Use Value: 90µA quiescent current enables full functionality within 3.5mA loop budget while maintaining ±0.1% total error over –40°C to +85°C. |
Use Scenario: Class 0.2 polyphase energy meter using 24-bit sigma-delta ADCs for voltage/current channel measurement. IC Role / Device Role / Timing Role: Primary reference for metrology-grade ADCs and calibration DACs. Use Value: Long-term stability of 62ppm/1000hr ensures calibration validity over 10-year field deployment 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 |
|---|---|---|---|
| ADR3412ARJZ-R7 | 1.2V output, ±0.1% initial accuracy, 30ppm/°C tempco, 125µA IQ, SOT23-3 | Lower initial accuracy but tighter 1.2V output matches legacy 1.2V ADCs; higher tempco limits wide-temp industrial use | Select when 1.2V nominal output is mandatory and system calibration compensates for tempco drift |
| REF3012AIDBZR | 1.2V output, ±0.2% initial accuracy, 50ppm/°C tempco, 50µA IQ, SOT23-3 | Lower quiescent current but significantly higher tempco - unsuitable for uncalibrated wide-temperature applications | Prefer for ultra-low-power sensor nodes where ambient temperature is tightly controlled (<10°C swing) |
Compared with ADR3412ARJZ-R7 and REF3012AIDBZR, MAX6061AEUR+T offers superior thermal stability (20ppm/°C vs. 30–50ppm/°C) and lower noise (13µVp-p vs. 20–35µVp-p), making it the optimal choice for uncalibrated, wide-temperature, high-resolution measurement systems despite slightly higher quiescent current than REF3012.
Availability
MAX6061AEUR+T is available at Aetrix Electronics and suitable for portable DMMs, medical pulse oximeters, industrial sensor transmitters, and smart energy meters requiring stable component supply with guaranteed long-term availability.
Supply support for MAX6061AEUR+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
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for demanding industrial, medical, and communications applications - emphasizing low power, high accuracy, and small form factor.
The MAX6061–MAX6068 family was engineered specifically for battery-operated, high-performance, low-voltage systems requiring micropower operation, low dropout, and high-output-current capability in ultra-small SOT23 packages.
FAQ
What is the maximum load current the MAX6061AEUR+T can source or sink?
The MAX6061AEUR+T can source up to 5mA and sink up to 2mA while maintaining specified output voltage accuracy and stability. This dual-direction capability allows it to drive both active loads (e.g., ADC reference inputs) and passive loads (e.g., bias networks), making MAX6061AEUR+T suitable for bidirectional reference applications without external buffering.
Does the MAX6061AEUR+T require an external output capacitor for stability?
No - the MAX6061AEUR+T is internally compensated and remains stable without any external output capacitor, even with capacitive loads up to 1µF. This eliminates board space and BOM cost associated with external stabilization components, a key advantage of MAX6061AEUR+T over many competing references that mandate minimum 0.1µF output capacitance.
What is the dropout voltage specification for the MAX6061AEUR+T at 1mA load?
The MAX6061AEUR+T has a maximum dropout voltage of 200mV at 1mA load current, meaning it regulates properly when input voltage is as low as VOUT + 0.2V = 1.448V. This low dropout enables reliable operation from partially discharged batteries or low-headroom supplies - a defining feature of MAX6061AEUR+T in portable systems.
How does the MAX6061AEUR+T compare to shunt voltage references in terms of supply current efficiency?
Unlike shunt references that waste current through a series resistor, MAX6061AEUR+T draws only 90µA quiescent current independent of load - with variation ≤8µA/V across 2.5V–12.6V input. This makes MAX6061AEUR+T significantly more efficient, especially at higher input voltages, extending battery life in always-on sensing applications.
Is the MAX6061AEUR+T pin-compatible with other devices in the MAX6061–MAX6068 family?
Yes - all MAX6061–MAX6068 variants, including MAX6061AEUR+T, share identical 3-pin SOT23-3 pinout (IN, OUT, GND) and package dimensions. This allows drop-in replacement across output voltages (1.25V to 5.0V) without PCB layout changes, simplifying design reuse and inventory management for MAX6061AEUR+T and related parts.
MAX6061AEUR+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 1.248V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.32%
- Temperature Coefficient:
- 20ppm/°C
- Noise - 0.1Hz to 10Hz:
- 13µVp-p
- Noise - 10Hz to 10kHz:
- 15µVrms
- Voltage - Input:
- 2.5V ~ 12.6V
- Current - Supply:
- 125µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
MAX6061AEUR+T FAQ
1.How can I place an order for MAX6061AEUR+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6061AEUR+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 MAX6061AEUR+T reliable?
The price and inventory of MAX6061AEUR+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6061AEUR+T is usually 5 days.
3.What payment methods are accepted for MAX6061AEUR+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6061AEUR+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6061AEUR+T?
MAX6061AEUR+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6061AEUR+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 MAX6061AEUR+T?
For technical support, including MAX6061AEUR+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6061AEUR+T requirements.
6.How does Aetrix verify that MAX6061AEUR+T is sourced from the original manufacturer or authorized distributors?
All MAX6061AEUR+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 MAX6061AEUR+T meets industry standards.
7.What is the process for return or replacement of MAX6061AEUR+T?
All MAX6061AEUR+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6061AEUR+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 MAX6061AEUR+T part is unused and in its original packaging.
Return procedure for MAX6061AEUR+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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