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Analog Devices Inc./Maxim Integrated MAX6003EUR+T
- Part No.:
- MAX6003EUR+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6003EUR+T.pdf
- Description:
- IC VREF SERIES 1% SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:27,331
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Product details
Overview
MAX6003EUR+T from Analog Devices is a precision 3.000V series voltage reference in SOT23-3 package, designed for low-power, wide-input-voltage battery-operated systems. It delivers ±0.5% initial accuracy (2.97V–3.03V), 100ppm/°C max temperature coefficient, and 45µA max quiescent supply current. Its 100mV dropout at 400µA load enables stable operation down to VIN = 3.2V in portable instrumentation and sensor front-ends.
For engineers reviewing the MAX6003EUR+T datasheet, MAX6003EUR+T pinout, MAX6003EUR+T application, or MAX6003EUR+T equivalent, key selection criteria include its micropower consumption, load regulation of 0.14–0.90 µV/µA, stability with 0–2.2nF capacitive loads, and guaranteed performance across –40°C to +85°C.
Technical Context
The MAX6003EUR+T is a bandgap-based series voltage reference with internal compensation-no external capacitor required. It operates as a three-terminal device (IN, OUT, GND) and sinks or sources up to ±400µA while maintaining output regulation within 0.2% over input voltage variations from (VOUT + 200mV) to 12.6V.
Its architecture eliminates the external bias resistor needed by shunt references, achieving supply current independence from VIN (0.8µA/V variation). Turn-on settling time is 100µs to 0.1% final value with COUT = 50pF, and it exhibits 80dB ripple rejection at 120Hz.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 3.000V ±0.03V (2.97V–3.03V); enables accurate ADC/DAC biasing in 3V systems |
| Initial Accuracy | ±0.5% (1% max); reduces calibration overhead in portable measurement devices |
| Temp Coefficient | ≤100ppm/°C; ensures <±0.3mV drift over –40°C to +85°C ambient range |
| Quiescent Current | ≤45µA; extends battery life in always-on sensor nodes and wearables |
| Dropout Voltage | 100mV at 400µA load; supports operation down to VIN = 3.2V with margin |
| Load Regulation | 0.14–0.90 µV/µA; maintains <0.4mV shift across full ±400µA sourcing/sinking range |
| Capacitive Load | Stable with 0–2.2nF; eliminates need for output capacitor in space-constrained PCBs |
Pinout & Package
SOT23-3 plastic surface-mount package (3.0mm × 1.7mm × 1.3mm), lead-free and RoHS-compliant, with standard JEDEC MO-178 footprint.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Supply Voltage Input | Accepts (VOUT + 0.2V) to 12.6V; powers internal bandgap core and output stage |
| 2 (OUT) | Reference Voltage Output | Provides regulated 3.000V; sources/sinks ±400µA while maintaining regulation |
| 3 (GND) | Ground Reference | Return path for IN and OUT currents; must be low-impedance for noise immunity |
Key Features
| Feature | Design Value |
|---|---|
| No external compensation required | Internally compensated-eliminates 1–10nF capacitor, saving board area and BOM cost |
| Micropower operation | 45µA max supply current independent of VIN-ideal for coin-cell and energy-harvesting systems |
| Low-dropout performance | 100mV dropout at 400µA-enables use in 3.3V or Li-ion single-cell systems with headroom |
| High load drive capability | ±400µA sourcing/sinking-directly drives ADC reference inputs, op-amp bias networks, or small DACs |
| Wide capacitive-load tolerance | Stable with 0–2.2nF output capacitance-supports ceramic decoupling without oscillation risk |
Applications
| Portable Medical Sensors | Industrial Data Loggers |
|---|---|
Use Scenario: Battery-powered ECG front-end with 16-bit SAR ADC sampling at 1kSPS. IC Role / Device Role / Timing Role: Precision 3.000V reference for ADC VREF input, ensuring <±1 LSB error over temperature. Use Value: 100ppm/°C TC and 45µA quiescent current enable >7-day runtime on CR2032 while maintaining medical-grade accuracy. |
Use Scenario: Remote environmental monitor logging temperature/humidity every 10 seconds using ultra-low-power MCU. IC Role / Device Role / Timing Role: Stable reference for sigma-delta ADC measuring thermistor and capacitive humidity sensors. Use Value: 0–2.2nF capacitive-load stability allows direct connection to ADC's internal sampling capacitor without added components. |
| Handheld Test Equipment | Smart Meters |
Use Scenario: Pocket-sized digital multimeter (DMM) with autoranging 3½-digit display. IC Role / Device Role / Timing Role: Primary voltage reference for dual-slope integrator and auto-zero circuitry. Use Value: ±0.5% initial accuracy and 130ppm hysteresis minimize recalibration frequency during field use. |
Use Scenario: Electricity meter with metrology IC requiring stable reference under varying line voltage and temperature. IC Role / Device Role / Timing Role: Secondary reference for tamper-detection comparators and backup RTC supply monitoring. Use Value: 80dB ripple rejection suppresses 50/60Hz noise coupling from AC mains, improving measurement integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR3430ARJZ-R7 | 3.0V output, 0.1% initial accuracy (vs. 0.5%), 30ppm/°C TC, 6µA quiescent current | Higher precision and lower power, but requires 1.2V minimum headroom (dropout ~120mV @ 10mA) | Preferred when sub-0.1% accuracy and ultra-low IQ are critical; not drop-in due to different pinout (SOT23-5) |
| REF3030AIDBZR | 3.0V output, 0.2% initial accuracy, 50ppm/°C TC, 40µA IQ, 150mV dropout @ 25mA | Optimized for higher load current (25mA vs. 400µA), wider temp range (–40°C to +125°C) | Best for industrial systems needing extended temperature rating and higher drive; same SOT23-3 pinout but different top mark |
Compared with MAX6003EUR+T, ADR3430ARJZ-R7 offers tighter accuracy and lower power but requires redesign for 5-pin layout and higher minimum input voltage, while REF3030AIDBZR provides superior temperature range and load capability at the cost of higher dropout-making MAX6003EUR+T optimal for cost-sensitive, moderate-accuracy 3V battery systems.
Availability
MAX6003EUR+T is available at Aetrix Electronics and suitable for portable medical sensors, industrial data loggers, handheld test equipment, and smart meters requiring stable component supply across high-volume production cycles.
Supply support for MAX6003EUR+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, Inc. is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, headquartered in Wilmington, MA.
The MAX6001–MAX6005 family was engineered for cost-sensitive, battery-powered applications demanding low quiescent current, low dropout, and SOT23-3 simplicity-targeting portable instrumentation, sensor interfaces, and energy-constrained IoT endpoints.
FAQ
What is the maximum input voltage for MAX6003EUR+T?
The absolute maximum input voltage for MAX6003EUR+T is +13.5V referenced to GND. However, the recommended operating range is (VOUT + 0.2V) to 12.6V-that is, 3.2V to 12.6V-ensuring guaranteed performance per the datasheet's electrical characteristics table. Operation above 12.6V may cause parametric degradation or reliability risk.
Can MAX6003EUR+T drive an ADC reference input directly?
Yes, MAX6003EUR+T can directly drive most SAR and sigma-delta ADC reference inputs. It sources/sinks ±400µA with 0.14–0.90 µV/µA load regulation, keeping output deviation under 0.4mV across full load range. For ADCs requiring >400µA peak current (e.g., during sample acquisition), a local 100nF ceramic capacitor at the OUT pin is recommended to maintain stability.
Does MAX6003EUR+T require an external capacitor for stability?
No, MAX6003EUR+T is internally compensated and stable with output capacitance from 0 to 2.2nF. Unlike many references, it does not require a minimum output capacitor. An external capacitor (e.g., 100nF) is optional and beneficial only for improving transient response to step load changes-not for basic stability.
What is the temperature hysteresis specification for MAX6003EUR+T?
MAX6003EUR+T has a temperature hysteresis of 130ppm, defined as the change in output voltage at +25°C before and after cycling the device from –40°C to +85°C. This corresponds to approximately ±0.39mV shift for the 3.000V output, and is consistent across the MAX6001–MAX6005 family per the datasheet's Note 3.
Is MAX6003EUR+T pin-compatible with other parts in the MAX6001–MAX6005 family?
Yes, all members of the MAX6001–MAX6005 family-including MAX6003EUR+T-share identical SOT23-3 pinout (IN, OUT, GND), same footprint, and compatible operating conditions. Swapping between MAX6001 (1.25V), MAX6002 (2.5V), MAX6003 (3.0V), MAX6004 (4.096V), and MAX6005 (5.0V) requires only a bill-of-materials update; no PCB revision is needed.
MAX6003EUR+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):
- 3V
- Voltage - Output (Max):
- -
- Current - Output:
- 400 µA
- Tolerance:
- ±1%
- Temperature Coefficient:
- 100ppm/°C
- Noise - 0.1Hz to 10Hz:
- 75µVp-p
- Noise - 10Hz to 10kHz:
- 150µVrms
- Voltage - Input:
- 3.2V ~ 12.6V
- Current - Supply:
- 45µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
MAX6003EUR+T FAQ
1.How can I place an order for MAX6003EUR+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6003EUR+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 MAX6003EUR+T reliable?
The price and inventory of MAX6003EUR+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6003EUR+T is usually 5 days.
3.What payment methods are accepted for MAX6003EUR+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6003EUR+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6003EUR+T?
MAX6003EUR+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6003EUR+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 MAX6003EUR+T?
For technical support, including MAX6003EUR+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6003EUR+T requirements.
6.How does Aetrix verify that MAX6003EUR+T is sourced from the original manufacturer or authorized distributors?
All MAX6003EUR+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 MAX6003EUR+T meets industry standards.
7.What is the process for return or replacement of MAX6003EUR+T?
All MAX6003EUR+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6003EUR+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 MAX6003EUR+T part is unused and in its original packaging.
Return procedure for MAX6003EUR+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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