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Analog Devices Inc./Maxim Integrated MAX6064AEUR-T
- Part No.:
- MAX6064AEUR-T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6064AEUR-T.pdf
- Description:
- IC VREF SERIES 0.2% SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:2,595
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Product details
Overview
MAX6064AEUR-T from Maxim Integrated is a precision, low-dropout, micropower series voltage reference delivering a stable 4.096V output with ±0.2% 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 quiescent current, and operates down to 4.296V input (VOUT + 200mV), making it ideal for high-accuracy ADC biasing in portable 3.3V/5V systems.
For engineers reviewing the MAX6064AEUR-T datasheet, MAX6064AEUR-T pinout, MAX6064AEUR-T application, or MAX6064AEUR-T equivalent, key selection criteria include its ultra-low supply current independence from VIN, no-output-capacitor-required stability, 50–190µs turn-on settling, and guaranteed performance across industrial temperature range without external compensation.
Technical Context
The MAX6064AEUR-T is a three-terminal, internally compensated series-mode voltage reference using proprietary curvature-correction circuitry and laser-trimmed thin-film resistors. Its architecture eliminates need for external output capacitors while maintaining stability with capacitive loads up to 1µF.
It features supply-current variation of only 3.2µA/V across 4.296V–12.6V input range, dropout voltage ≤200mV at 1mA load, and 72dB PSRR at 120Hz - enabling robust operation in noisy, battery-constrained environments where precision analog signal chains demand clean, stable references.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 4.096V ±0.2% (max) at +25°C - ensures direct compatibility with 12-bit ADC full-scale ranges and reduces calibration overhead. |
| Tempco | 20ppm/°C (max) - guarantees ≤±0.82mV drift over –40°C to +85°C, critical for uncalibrated field-deployed instrumentation. |
| Quiescent Current | 90µA (typ), ≤125µA (max) - enables multi-year battery life in always-on sensor nodes and portable DMMs. |
| Dropout Voltage | ≤200mV at 1mA load - supports operation from single Li-ion cell (3.0V min) when paired with LDOs or low-VIN regulators. |
| Load Regulation | 0.5–0.9mV/mA sourcing - maintains <±0.5 LSB error in 12-bit systems under dynamic load conditions. |
| Noise (0.1–10Hz) | 50µVp-p - contributes <0.012 LSB RMS noise to 4.096V-referenced 12-bit converters. |
| PSRR @ 120Hz | 72dB - suppresses line ripple and switching regulator noise before ADC sampling. |
Pinout & Package
MAX6064AEUR-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 space-constrained portable PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input voltage supply | Accepts 4.296V–12.6V; requires no series resistor; internal regulation rejects supply variations up to 8µA/V change. |
| 2 (OUT) | Precision reference output | Provides 4.096V with sourcing/sinking capability; stable without output capacitor; drives ADC REF pins directly. |
| 3 (GND) | Analog ground reference | Must be connected to clean system AGND; separates reference path from digital return currents to preserve accuracy. |
Key Features
| Feature | Design Value |
|---|---|
| Initial accuracy | ±0.2% (max) - eliminates factory trimming in cost-sensitive production test flows for portable medical and industrial sensors. |
| No-output-capacitor operation | Fully stable with 0pF output capacitance - saves board area and BOM count in ultra-thin wearables and handheld analyzers. |
| Low dropout | 200mV max at 1mA - enables use after low-headroom LDOs or directly from partially discharged batteries. |
| Capacitive load tolerance | Stable with ≥0.1µF ceramic output cap - improves transient response during ADC conversion bursts without oscillation risk. |
| Supply current independence | 90µA ±8µA/V variation - ensures predictable power budget across wide input voltage swings in multi-rail systems. |
Applications
| Portable Battery-Powered Systems | High-Accuracy Data Acquisition |
|---|---|
Use Scenario: Long-life battery-powered multimeter with 12-bit SAR ADC and auto-ranging front-end. IC Role / Device Role / Timing Role: Primary voltage reference for ADC and DAC sections; supplies stable 4.096V reference rail independent of battery voltage decay. Use Value: Enables ±0.2% measurement accuracy over full battery discharge (3.0V–4.2V) without recalibration, extending usable runtime by 35% vs. shunt references. |
Use Scenario: Industrial temperature logger using 12-bit sigma-delta ADC with thermistor bridge. IC Role / Device Role / Timing Role: Precision excitation and reference source for ratiometric bridge measurement; rejects supply ripple from shared DC-DC converter. Use Value: Delivers <±1°C absolute accuracy over –40°C to +85°C without software compensation, reducing firmware complexity and calibration labor. |
| Notebook Computer Power Monitoring | Precision 3V/5V Systems |
Use Scenario: Real-time battery fuel gauge and system voltage supervisor in ultrabook platform. IC Role / Device Role / Timing Role: Reference for dual-channel ADC monitoring VBAT, V3P3, and V5P0; operates continuously in low-power S3/S4 states. Use Value: 90µA quiescent current extends S3 suspend time by >48 hours; 20ppm/°C tempco prevents thermal drift errors during CPU thermal throttling events. |
Use Scenario: FPGA I/O bank voltage supervision and configuration EEPROM reference in telecom line card. IC Role / Device Role / Timing Role: Stable 4.096V reference for 12-bit ADC monitoring 3.3V and 5V rails; immune to digital switching noise on shared PCB plane. Use Value: 72dB PSRR at 120Hz rejects coupled noise from adjacent DC-DC controllers, ensuring <0.1% rail-monitoring accuracy under full load. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR3440BRJZ-R7 | 4.096V output, ±0.1% initial accuracy, 10ppm/°C tempco, 120µA IQ, SOT23-3 | Higher accuracy and lower tempco but 33% higher quiescent current; requires 1µF output cap for stability | Select when ultimate long-term stability and tighter tempco outweigh battery life concerns in lab-grade instruments. |
| REF3040AIDBZR | 4.096V output, ±0.2% initial accuracy, 50ppm/°C tempco, 45µA IQ, SOT23-3 | Lower IQ but significantly higher tempco; no output cap required; wider input range (2.2V–12V) | Select for ultra-low-power IoT edge nodes where temperature range is limited (0°C–70°C) and 12-bit accuracy is sufficient. |
Compared with ADR3440BRJZ-R7 and REF3040AIDBZR, the MAX6064AEUR-T uniquely balances ±0.2% accuracy, 20ppm/°C tempco, and 90µA IQ without mandatory output capacitance - making it optimal for cost- and space-constrained portable 12-bit data acquisition where industrial temperature coverage is required.
Availability
MAX6064AEUR-T is available at Aetrix Electronics and suitable for portable battery-powered systems, high-accuracy data acquisition, notebook computer power monitoring, and precision 3V/5V systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX6064AEUR-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 high-performance analog and mixed-signal ICs for industrial, automotive, communications, and computing markets, with emphasis on power efficiency, precision, and integration.
The MAX6061–MAX6068 family was engineered specifically for space- and power-constrained applications demanding high-accuracy voltage references without external compensation - targeting portable instrumentation, battery-operated sensors, and compact ADC/DAC subsystems.
FAQ
What is the maximum input voltage rating for MAX6064AEUR-T?
The MAX6064AEUR-T has an absolute maximum input voltage of +13.5V referenced to GND. However, its specified operating input range is (VOUT + 0.2V) to +12.6V - i.e., 4.296V to 12.6V. Operation above 12.6V voids parametric guarantees and risks permanent damage per Absolute Maximum Ratings.
Does MAX6064AEUR-T require an output capacitor for stability?
No, the MAX6064AEUR-T is internally compensated and stable with 0pF output capacitance. An optional 0.1µF ceramic capacitor may be added to improve transient response under step-load conditions, but it is not required for loop stability - a key advantage for space-critical PCB layouts.
What is the load current capability of MAX6064AEUR-T?
The MAX6064AEUR-T can source up to 5mA into a load and sink up to 2mA from a load. Load regulation is specified as 0.5–0.9mV/mA for sourcing and 2.2–8mV/mA for sinking, ensuring minimal output deviation across its full rated current range.
How does MAX6064AEUR-T perform under temperature cycling?
The MAX6064AEUR-T exhibits 130ppm output voltage hysteresis after cycling from –40°C to +85°C and back to +25°C. This hysteresis reflects mechanical stress effects in the package and bandgap core, and is fully characterized and bounded in the datasheet for design margining.
Is MAX6064AEUR-T compatible with 3.3V-only systems?
Yes - the MAX6064AEUR-T's minimum input voltage is 4.296V (VOUT + 200mV), so it cannot be powered directly from a 3.3V rail. However, it is fully compatible when supplied by a 3.3V LDO followed by a boost stage, or more commonly, by a 5V system rail derived from USB or a buck-boost converter - common in 3.3V logic systems with auxiliary 5V domains.
MAX6064AEUR-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):
- 4.096V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.2%
- Temperature Coefficient:
- 20ppm/°C
- Noise - 0.1Hz to 10Hz:
- 50µVp-p
- Noise - 10Hz to 10kHz:
- 50µVrms
- Voltage - Input:
- 4.296V ~ 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
MAX6064AEUR-T FAQ
1.How can I place an order for MAX6064AEUR-T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6064AEUR-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 MAX6064AEUR-T reliable?
The price and inventory of MAX6064AEUR-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6064AEUR-T is usually 5 days.
3.What payment methods are accepted for MAX6064AEUR-T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6064AEUR-T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6064AEUR-T?
MAX6064AEUR-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6064AEUR-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 MAX6064AEUR-T?
For technical support, including MAX6064AEUR-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6064AEUR-T requirements.
6.How does Aetrix verify that MAX6064AEUR-T is sourced from the original manufacturer or authorized distributors?
All MAX6064AEUR-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 MAX6064AEUR-T meets industry standards.
7.What is the process for return or replacement of MAX6064AEUR-T?
All MAX6064AEUR-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6064AEUR-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 MAX6064AEUR-T part is unused and in its original packaging.
Return procedure for MAX6064AEUR-T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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