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Analog Devices Inc./Maxim Integrated MAX6065BEUR+T
- Part No.:
- MAX6065BEUR+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6065BEUR+T.pdf
- Description:
- IC VREF SERIES 0.4% SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:17,335
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Product details
Overview
MAX6065BEUR+T from Maxim Integrated is a precision, low-dropout, micropower 5.0V series voltage reference in a 3-pin SOT23 package. It delivers ±0.4% initial accuracy, 20ppm/°C max temperature coefficient, and supports 5mA sourcing / 2mA sinking load current. Designed for high-accuracy ADC biasing in portable instrumentation requiring stable 5V reference under varying input and temperature conditions.
For engineers reviewing the MAX6065BEUR+T datasheet, MAX6065BEUR+T pinout, MAX6065BEUR+T application, or MAX6065BEUR+T equivalent, key selection criteria include dropout voltage (≤200mV at 1mA), ultra-low 90µA typical supply current, no external capacitor requirement, and guaranteed performance across –40°C to +85°C.
Technical Context
The MAX6065BEUR+T is a three-terminal, series-mode voltage reference using proprietary curvature-correction circuitry and laser-trimmed thin-film resistors. Its BiCMOS process enables stable operation without output capacitance while maintaining low noise (60µVp-p, 0.1Hz–10Hz) and high PSRR (65dB at 120Hz).
It operates with input voltages from (VOUT + 0.2V) = 5.2V up to 12.6V, exhibits 3.2µA/V supply current variation, and achieves 300µs turn-on settling time to 0.1% of final value with 50pF load capacitance - optimized for battery-powered 5V systems where supply headroom and quiescent power are constrained.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 5.000V ±0.4% (max) at +25°C - ensures accurate full-scale calibration for 5V ADCs and DACs |
| Temperature Coefficient | 20ppm/°C (max) - limits drift to ≤±1mV over –40°C to +85°C ambient range |
| Dropout Voltage | 200mV (max) at 1mA load - enables operation from 5.2V input, critical for single-cell Li-ion or regulated 5.5V rails |
| Supply Current | 90µA (typ), ≤125µA (max) - minimizes battery drain in always-on sensing nodes |
| Load Current Capability | Sources 5mA / sinks 2mA - drives multiple ADC references or op-amp bias networks without external buffering |
| Noise (0.1Hz–10Hz) | 60µVp-p - preserves ENOB in 16-bit+ data acquisition systems |
| Line Regulation | 180µV/V (max) - maintains output stability despite input rail ripple or sag |
Pinout & Package
MAX6065BEUR+T is housed in a standard 3-pin SOT23-3 package (JEDEC MO-178AA), with 1.3mm × 2.9mm footprint and 1.0mm height - compatible with high-density PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input Voltage Supply | Accepts 5.2V to 12.6V; internal regulation rejects ripple; no external bypass required for basic operation |
| 2 (OUT) | Precision Reference Output | 5.0V output with <0.1% long-term drift; stable into capacitive loads ≥0.1µF; no compensation capacitor needed |
| 3 (GND) | Analog Ground Reference | Low-impedance return path; must be connected directly to system AGND plane to minimize noise coupling |
Key Features
| Feature | Design Value |
|---|---|
| ±0.4% Initial Accuracy | Reduces calibration overhead in production test; eliminates need for post-assembly trimming in cost-sensitive designs |
| No Output Capacitor Required | Saves board space and BOM count in space-constrained portable devices (e.g., handheld DMMs, medical sensors) |
| 20ppm/°C Max Tempco | Enables <±2mV total error over industrial temperature range - suitable for unheated outdoor instrumentation |
| 5mA Source / 2mA Sink | Directly powers reference inputs of dual-channel SAR ADCs or drives precision voltage dividers without buffer amplifiers |
| 90µA Typical Quiescent Current | Extends shelf life and operational runtime in coin-cell–powered IoT endpoints and wake-on-event sensors |
Applications
| Portable Battery-Powered Systems | High-Accuracy Data Acquisition |
|---|---|
|
Use Scenario: Handheld multimeter powered by two AAA cells (2.4–3.2V), using boost converter to generate 5.2V supply for MAX6065BEUR+T and 16-bit sigma-delta ADC. IC Role / Device Role: Primary 5V reference for ADC VREF input and analog front-end biasing. Use Value: Enables ±0.1% measurement accuracy over full temperature range without recalibration; 90µA supply current extends battery life to >100 hours. |
Use Scenario: Industrial sensor node with 5V rail, measuring thermocouple and RTD signals via 24-bit delta-sigma ADC. IC Role / Device Role: Low-noise, low-drift reference source for ADC's external VREF pin and PGA gain-setting network. Use Value: 60µVp-p noise and 20ppm/°C tempco preserve effective resolution >21 bits across –25°C to +70°C operating envelope. |
| Notebook Computer Power Monitoring | Precision 5V Systems |
|
Use Scenario: Embedded controller monitoring 5V system rail health in ultrabook platform using integrated 12-bit ADC. IC Role / Device Role: Stable 5.0V reference for ADC conversion of rail voltage divider output. Use Value: Eliminates ratiometric error from main 5V rail variation; ±0.4% accuracy ensures ±20mV absolute voltage reading tolerance. |
Use Scenario: Programmable logic controller (PLC) analog I/O module requiring calibrated 5V reference for DAC output stage and current-loop transmitter. IC Role / Device Role: Master reference for both DAC and analog output conditioning circuitry. Use Value: Single-point calibration suffices for full channel linearity; 130ppm hysteresis prevents offset shift after thermal cycling during field deployment. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR3450ARJZ-R7 | 5.0V, ±0.1% initial accuracy, 10ppm/°C, 4.5µA supply current, SC70-5 package | Lower power and higher accuracy but requires external decoupling; not drop-in due to different pinout and 5-pin package | Select when ultra-low power (<5µA) and tighter accuracy dominate; redesign PCB layout required |
| REF5050AIDR | 5.0V, ±0.05% initial accuracy, 3ppm/°C, 950µA supply current, SOIC-8 package | Superior stability and noise (3.8µVp-p) but 10× higher supply current and larger footprint | Select for lab-grade instrumentation where ultimate precision justifies power and size penalty |
Compared with ADR3450ARJZ-R7 and REF5050AIDR, the MAX6065BEUR+T offers optimal balance of accuracy (±0.4%), ultra-low quiescent current (90µA), and minimal board area (SOT23-3), making it ideal for portable 5V systems where moderate precision meets strict power and space constraints.
Availability
MAX6065BEUR+T is available at Aetrix Electronics and suitable for portable battery-powered systems, high-accuracy data acquisition modules, notebook computer power monitoring circuits, and precision 5V industrial control systems requiring stable component supply across extended temperature ranges.
Supply support for MAX6065BEUR+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, communications, and consumer applications.
The MAX6061–MAX6068 family was designed specifically for space- and power-constrained systems needing precision voltage references without external compensation - targeting portable instrumentation, battery-operated sensors, and compact data converters.
FAQ
What is the maximum input voltage for MAX6065BEUR+T?
The MAX6065BEUR+T supports an input voltage range from (VOUT + 0.2V) = 5.2V up to 12.6V. This upper limit is absolute and applies across the full –40°C to +85°C operating temperature range. Exceeding 12.6V risks permanent damage per Absolute Maximum Ratings.
Does MAX6065BEUR+T require an output capacitor for stability?
No, the MAX6065BEUR+T is internally compensated and does not require an external output capacitor for stability. It remains stable with capacitive loads up to at least 1µF. An optional 0.1µF ceramic capacitor may be added to improve transient response in dynamic load applications.
What is the load regulation specification for MAX6065BEUR+T?
The MAX6065BEUR+T exhibits ≤0.9mV/mA load regulation when sourcing 0–5mA and ≤8.0mV/mA when sinking –2mA to 0mA. This translates to <±4.5mV total output change across full 5mA sourcing range - critical for maintaining ADC reference accuracy under variable load conditions.
How does the supply current of MAX6065BEUR+T vary with input voltage?
The MAX6065BEUR+T draws 90µA typical supply current, with variation limited to 3.2–8.0µA/V across its 5.2V–12.6V input range. This near-constant current behavior - unlike shunt references - eliminates wasted bias current and maximizes efficiency in battery-powered systems.
Is MAX6065BEUR+T pin-compatible with other parts in the MAX6061–MAX6068 family?
Yes, all MAX6061–MAX6068 variants, including MAX6065BEUR+T, share identical 3-pin SOT23-3 pinout (IN, OUT, GND) and package dimensions. This allows direct substitution within the family for different output voltages (1.25V–5.0V) without PCB layout changes.
MAX6065BEUR+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):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.4%
- Temperature Coefficient:
- 30ppm/°C
- Noise - 0.1Hz to 10Hz:
- 60µVp-p
- Noise - 10Hz to 10kHz:
- 60µVrms
- Voltage - Input:
- 5.2V ~ 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
MAX6065BEUR+T FAQ
1.How can I place an order for MAX6065BEUR+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6065BEUR+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 MAX6065BEUR+T reliable?
The price and inventory of MAX6065BEUR+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6065BEUR+T is usually 5 days.
3.What payment methods are accepted for MAX6065BEUR+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6065BEUR+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6065BEUR+T?
MAX6065BEUR+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6065BEUR+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 MAX6065BEUR+T?
For technical support, including MAX6065BEUR+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6065BEUR+T requirements.
6.How does Aetrix verify that MAX6065BEUR+T is sourced from the original manufacturer or authorized distributors?
All MAX6065BEUR+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 MAX6065BEUR+T meets industry standards.
7.What is the process for return or replacement of MAX6065BEUR+T?
All MAX6065BEUR+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6065BEUR+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 MAX6065BEUR+T part is unused and in its original packaging.
Return procedure for MAX6065BEUR+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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