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Analog Devices Inc./Maxim Integrated MAX6061BEUR-T
- Part No.:
- MAX6061BEUR-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6061BEUR-T.pdf
- Description:
- IC VREF SERIES 0.48% SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:3,177
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Product details
Overview
MAX6061BEUR-T from Maxim Integrated is a precision, low-dropout, micropower series voltage reference delivering 1.248V output with ±0.48% 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 typical supply 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 MAX6061BEUR-T datasheet, MAX6061BEUR-T pinout, MAX6061BEUR-T application, or MAX6061BEUR-T equivalent, key selection criteria include its 200mV max dropout at 1mA, no-output-capacitor-required operation, 13µVp-p (0.1Hz–10Hz) noise, and SOT23-3 footprint compatibility with space-constrained, low-power embedded designs.
Technical Context
The MAX6061BEUR-T employs a proprietary curvature-correction circuit and laser-trimmed thin-film resistors to achieve ultra-low drift and high initial accuracy. Its BiCMOS process and 117-transistor architecture enable stable regulation without external compensation components.
As a three-terminal series-mode reference, it eliminates the supply-current waste inherent in shunt-mode alternatives by drawing only load-dependent current - supply current varies just 3.4–8.0µA/V across 2.5V–12.6V input, enabling efficient operation in wide-input-voltage battery systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 1.248V (±0.48% initial accuracy at +25°C - supports 12-bit+ ADC reference stability) |
| Temp Coefficient | 20ppm/°C (max) - ensures ≤0.25% output drift over full –40°C to +85°C range |
| Dropout Voltage | 200mV (max at 1mA load) - enables operation with input as low as VOUT + 0.2V |
| Supply Current | 90µA (typ), 125µA (max) - ultra-low quiescent draw extends battery life in always-on sensors |
| Noise (0.1–10Hz) | 13µVp-p - low flicker noise critical for precision measurement front-ends |
| Load Current | Sources 5mA / sinks 2mA - drives SAR ADC references and op-amp bias networks directly |
| Line Regulation | 10–90µV/V - minimal output shift across input voltage variations improves system PSRR |
Pinout & Package
MAX6061BEUR-T is housed in a 3-pin SOT23-3 package (JEDEC MO-178AA), with 1.3mm × 0.8mm footprint and 0.95mm height - optimized for high-density PCB layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input Voltage Supply | Accepts 2.5V–12.6V; internal regulation starts above VOUT + 0.2V; bypass with 0.1µF ceramic for best line transient response |
| 2 (OUT) | Precision Reference Output | 1.248V ±0.48% output; stable with capacitive loads ≥0.1µF; no external capacitor required for stability |
| 3 (GND) | Analog Ground Reference | Low-impedance return path; must be connected to clean system ground plane to minimize noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small SOT23-3 package | Enables placement adjacent to ADCs or microcontrollers in wearables and IoT nodes without board area penalty |
| No output capacitor required | Eliminates 1–10µF ceramic capacitor and associated layout constraints - reduces BOM count and assembly cost |
| Stable with capacitive loads | Supports direct connection to ADC input caps or op-amp feedback networks without oscillation risk |
| Supply-current independence | Draws ~90µA regardless of VIN (2.5V–12.6V), unlike shunt references whose current scales with supply voltage |
| Low 13µVp-p noise (0.1–10Hz) | Meets noise budget for 16-bit delta-sigma ADCs and precision instrumentation amplifiers |
Applications
| Analog-to-Digital Converters (ADCs) | Portable Battery-Powered Systems |
|---|---|
|
Use Scenario: Providing stable reference voltage for 12–16-bit SAR and delta-sigma ADCs in data loggers and handheld meters. IC Role / Device Role / Timing Role: Precision voltage reference source for ADC conversion accuracy and linearity. Use Value: ±0.48% initial accuracy and 20ppm/°C drift ensure <0.01% total error over temperature - meeting industrial-grade measurement requirements. |
Use Scenario: Powering sensor signal chains in battery-operated environmental monitors with multi-year runtime. IC Role / Device Role / Timing Role: Low-quiescent-current reference enabling continuous sensing without excessive battery drain. Use Value: 90µA typical supply current and 200mV dropout allow operation down to 1.45V battery voltage - extending usable cell life by >25% vs. higher-dropout alternatives. |
| Notebook Computers | PDAs, GPSs, DMMs |
|
Use Scenario: Biasing precision analog front-ends in notebook battery fuel gauges and thermal monitoring ICs. IC Role / Device Role / Timing Role: Stable reference for coulomb counting and voltage scaling circuits during dynamic CPU load changes. Use Value: 86dB ripple rejection at 120Hz suppresses AC-DC adapter noise, preventing fuel-gauge miscalibration during charging. |
Use Scenario: Serving as reference for autoranging digital multimeters (DMMs) and GPS receiver RF front-end calibration. IC Role / Device Role / Timing Role: Primary voltage standard for ADC gain/offset correction and RF synthesizer VCO tuning. Use Value: 130ppm hysteresis and 62ppm/1000hr long-term stability ensure repeatable measurements across field deployments and recalibration cycles. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX6061AEUR-T | ±0.32% initial accuracy (tighter tolerance), same 1.248V output and SOT23-3 package | Better suited for 16-bit+ data acquisition where initial offset must be minimized before calibration | Select when tighter initial accuracy justifies minor cost premium; identical pinout and layout |
| ADR3412ARJZ-R7 | 1.2V output, ±0.1% initial accuracy, 3ppm/°C drift, but 120µA supply current and requires 1µF output cap | Higher precision at expense of board area and power; not drop-in due to different output voltage and stability requirements | Choose for ultra-low-drift applications where 1.2V matches system needs and extra capacitor area is acceptable |
Compared with MAX6061AEUR-T, the MAX6061BEUR-T trades 0.16% initial accuracy for broader availability and lower unit cost, while maintaining identical thermal performance and noise. Against ADR3412ARJZ-R7, it offers lower supply current and capacitor-free operation at the cost of slightly higher drift - making it preferable for space- and energy-constrained portable designs.
Availability
MAX6061BEUR-T is available at Aetrix Electronics and suitable for portable battery-powered systems, precision ADC reference circuits, and notebook computer power management requiring stable component supply across extended temperature ranges and multi-year production cycles.
Supply support for MAX6061BEUR-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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, automotive, and communications markets.
The MAX6061–MAX6068 family was designed specifically for space-constrained, battery-operated systems needing precision voltage references with ultra-low quiescent current and zero-output-capacitor operation - targeting portable instrumentation, medical devices, and IoT edge sensors.
FAQ
What is the output voltage tolerance of the MAX6061BEUR-T?
The MAX6061BEUR-T has a guaranteed initial output voltage of 1.248V with ±0.48% tolerance at +25°C, meaning the actual output falls between 1.242V and 1.254V under nominal conditions. This tolerance is specified across the full –40°C to +85°C operating range, and the device maintains tight regulation via its curvature-correction circuit and laser-trimmed resistors.
Does the MAX6061BEUR-T require an external output capacitor?
No, the MAX6061BEUR-T does not require an external output capacitor for stability - it is internally compensated and remains stable with purely capacitive loads. An optional 0.1µF ceramic capacitor may be added at the OUT pin to improve transient response during large load steps, but it is not necessary for basic operation or frequency stability.
What is the minimum input voltage needed for the MAX6061BEUR-T to regulate properly?
The MAX6061BEUR-T requires a minimum input voltage of VOUT + 0.2V = 1.448V to maintain regulation, though the datasheet specifies guaranteed operation from 2.5V to 12.6V. At 1mA load, the maximum dropout is 200mV - so with 1.248V output, 1.448V input is sufficient. However, 2.5V is the tested lower limit to ensure performance across temperature and process variation.
How does the supply current of the MAX6061BEUR-T vary with input voltage?
The MAX6061BEUR-T exhibits exceptional supply-current stability: typical quiescent current is 90µA, with variation limited to 3.4–8.0µA/V across 2.5V–12.6V input. This means supply current changes by less than 80µA over its full input range - a key advantage over shunt references whose current scales linearly with VIN and load.
Can the MAX6061BEUR-T sink current, and if so, how much?
Yes, the MAX6061BEUR-T can sink up to 2mA of load current - a critical capability for driving active loads like op-amp inputs or pull-down networks in precision analog circuits. This bidirectional current capability (source 5mA / sink 2mA) allows flexible interface design without external transistors or level-shifting components.
MAX6061BEUR-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:
- Obsolete
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 1.248V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.48%
- Temperature Coefficient:
- 30ppm/°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
MAX6061BEUR-T FAQ
1.How can I place an order for MAX6061BEUR-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6061BEUR-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 MAX6061BEUR-T reliable?
The price and inventory of MAX6061BEUR-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6061BEUR-T is usually 5 days.
3.What payment methods are accepted for MAX6061BEUR-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6061BEUR-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6061BEUR-T?
MAX6061BEUR-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6061BEUR-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 MAX6061BEUR-T?
For technical support, including MAX6061BEUR-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6061BEUR-T requirements.
6.How does Aetrix verify that MAX6061BEUR-T is sourced from the original manufacturer or authorized distributors?
All MAX6061BEUR-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 MAX6061BEUR-T meets industry standards.
7.What is the process for return or replacement of MAX6061BEUR-T?
All MAX6061BEUR-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6061BEUR-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 MAX6061BEUR-T part is unused and in its original packaging.
Return procedure for MAX6061BEUR-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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