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Analog Devices Inc./Maxim Integrated MAX6008BEUR+T
- Part No.:
- MAX6008BEUR+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6008BEUR+T.pdf
- Description:
- IC VREF SHUNT 0.5% SOT23-3
- Quantity:
- Payment:
- Shipping:
Inventory:9,584
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Product details
Overview
MAX6008BEUR+T from Maxim Integrated is a precision 2.5V two-terminal shunt voltage reference in a 3-pin SOT23 package, featuring 0.5% initial accuracy, 75ppm/°C temperature coefficient, and guaranteed operation down to 0.5µA. It serves as a low-power, space-constrained voltage reference for battery-powered instrumentation and high-resolution data converters.
For engineers reviewing the MAX6008BEUR+T datasheet, MAX6008BEUR+T pinout, MAX6008BEUR+T application, or MAX6008BEUR+T equivalent, key selection criteria include ultra-low operating current (<1µA), SOT23 footprint compatibility, ±2.5V reference stability across -40°C to +85°C, and direct replacement capability for legacy shunt references like LM4040B25.
Technical Context
The MAX6008BEUR+T implements a laser-trimmed series bandgap core with on-chip thin-film resistors, delivering stable 2.5V output under reverse-biased two-terminal operation. Its design supports bias currents from 0.5µA to 2mA while maintaining <0.2% VR drift over that range.
It requires external bypassing with ≥0.01µF capacitor from OUT to GND and operates with no internal ground connection-GND pin is used solely for thermal and mechanical reference. The IC pin is an internally connected test point and must remain unconnected or tied to GND.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 2.500V ±0.5% at 1.2µA, enabling precise ADC/DAC reference scaling |
| Initial Accuracy | ±0.5% (Grade B), specifying worst-case deviation at +25°C before calibration |
| Temp Coefficient | 75ppm/°C max over -40°C to +85°C, limiting full-range drift to ±0.15% |
| Min Operating Current | 0.5µA, allowing use in nanoamp-level power budgets without dropout |
| Reverse Dynamic Impedance | 2Ω (1.2µA–2mA), ensuring stable regulation under dynamic load transients |
| Low-Frequency Noise | 60µVP-P (0.1Hz–10Hz), minimizing noise contribution in precision measurement front-ends |
| Long-Term Drift | 150ppm over 1000h, defining baseline aging impact on system calibration intervals |
Pinout & Package
MAX6008BEUR+T is housed in a RoHS-compliant 3-pin SOT23 package (outline 21-0051), measuring 2.1mm × 2.7mm × 1.1mm, optimized for high-density PCB layouts and automated assembly.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT | Reference Output Terminal | Bias with external pull-up resistor; must be bypassed to GND with ≥0.01µF capacitor for stability |
| GND | Ground Reference Terminal | Provides mechanical and thermal reference; not electrically connected to internal circuitry |
| IC | Internal Test Point | Internally connected but unused; leave floating or tie to GND-no signal function |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-Low Operating Current | Guaranteed <1µA minimum supply enables multi-year battery life in portable meters |
| Laser-Trimmed Bandgap Core | Delivers 2.5V output with 0.5% factory accuracy-no external trimming required |
| Thermal Hysteresis Control | ≤200ppm ensures repeatable voltage after thermal cycling, critical for field-deployed sensors |
| Wide Bias Current Range | Operates stably from 0.5µA to 2mA, supporting both ultra-low-power and higher-drive applications |
| Low-Frequency Noise Performance | 60µVP-P (0.1Hz–10Hz) avoids introducing offset error in slow-sampling precision systems |
Applications
| Battery-Powered Portable Meters | Precision Analog-to-Digital Converters |
|---|---|
Use Scenario: Handheld multimeters and environmental sensors powered by coin-cell batteries with 5–10 year operational life requirements. IC Role / Device Role / Timing Role: Provides stable 2.5V reference for ADC input scaling and internal LDO feedback, directly determining measurement resolution. Use Value: 0.5µA minimum operating current extends battery life beyond 7 years; 75ppm/°C TC ensures <±0.1% reading error across industrial temperature range. | Use Scenario: 16-bit SAR ADCs in medical instrumentation requiring sub-LSB reference stability during acquisition windows. IC Role / Device Role / Timing Role: Serves as primary reference source for ADC VREF input, rejecting supply ripple and load-induced perturbations. Use Value: 2Ω dynamic impedance and 60µVP-P low-frequency noise prevent code flicker and maintain effective resolution >15.5 bits. |
| Low-Power Precision Regulators | Industrial Sensor Signal Conditioning |
Use Scenario: Micropower LDOs and charge-pump regulators in IoT edge nodes where quiescent current must stay below 2µA. IC Role / Device Role / Timing Role: Supplies accurate 2.5V reference to regulator error amplifier, setting output voltage tolerance and line/load regulation. Use Value: 0.5% initial accuracy and 150ppm long-term drift allow single-point factory calibration with no field recalibration needed for 5-year deployment. | Use Scenario: Strain-gauge and RTD bridges in process control transmitters operating in harsh ambient conditions (-40°C to +85°C). IC Role / Device Role / Timing Role: References bridge excitation and instrumentation amplifier gain-setting networks to reject common-mode drift. Use Value: 75ppm/°C tempco matches typical sensor drift profiles, reducing net system error to <0.2% FS over full temperature range. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar shunt voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM4040B25IDBZR | 0.2% initial accuracy, 100ppm/°C TC, 60µA min operating current | Higher quiescent current limits use in sub-µA systems; wider tempco increases full-range error | Select when cost sensitivity outweighs ultra-low-power requirement and tighter TC is not critical |
| ADR3425ARJZ-R7 | 0.1% initial accuracy, 10ppm/°C TC, 100µA min operating current, 5-pin SOT23 | Requires GND connection and higher bias current; superior TC but incompatible pinout and power envelope | Select when highest stability is mandatory and board layout allows 5-pin footprint and higher current budget |
Compared with LM4040B25IDBZR and ADR3425ARJZ-R7, the MAX6008BEUR+T uniquely balances ultra-low current (0.5µA), SOT23-3 compatibility, and 2.5V precision-making it optimal for space- and energy-constrained designs where neither legacy nor premium alternatives meet all three constraints simultaneously.
Availability
MAX6008BEUR+T is available at Aetrix Electronics and suitable for battery-powered equipment, portable meters, and precision analog signal chains requiring stable component supply with consistent lead times and traceable sourcing.
Supply support for MAX6008BEUR+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, medical, and communications applications.
The MAX6006–MAX6009 family was designed specifically for ultra-low-power, space-constrained shunt reference applications-targeting battery-operated instrumentation, portable test gear, and high-resolution data acquisition systems where traditional references consume too much current or occupy too much area.
FAQ
What is the guaranteed minimum operating current for MAX6008BEUR+T?
The MAX6008BEUR+T guarantees stable 2.5V regulation with a minimum operating current of 0.5µA-verified across -40°C to +85°C. This value ensures the device remains in regulation even under extreme low-power conditions, such as those found in energy-harvesting sensor nodes or decades-long battery deployments. The MAX6008BEUR+T maintains <0.2% output voltage change relative to its 1.2µA nominal point within this range.
Does MAX6008BEUR+T require an external capacitor, and if so, what value?
Yes, the MAX6008BEUR+T requires a minimum 0.01µF capacitor connected between the OUT and GND pins to ensure stability and reduce noise. This capacitor mitigates transient response overshoot during load or supply step changes and suppresses low-frequency noise-critical for precision measurement applications. Larger values (e.g., 0.1µF) may further improve transient immunity but do not affect DC accuracy. The MAX6008BEUR+T datasheet specifies this as mandatory for all operating conditions.
Can the IC pin on MAX6008BEUR+T be left floating or must it be connected?
The IC pin on MAX6008BEUR+T is an internally connected test point with no functional role in normal operation. It may be left unconnected or tied to GND-neither choice affects electrical performance, regulation accuracy, or thermal behavior. The MAX6008BEUR+T datasheet explicitly states "Leave this pin unconnected, or connect to GND," confirming that no biasing, filtering, or routing is required for this terminal.
How does the temperature coefficient of MAX6008BEUR+T compare to Grade A versions of the same family?
The MAX6008BEUR+T has a maximum temperature coefficient of 75ppm/°C over -40°C to +85°C, whereas the Grade A variant (e.g., MAX6008AEUR+T) is specified at 30ppm/°C. This means the MAX6008BEUR+T contributes up to ±0.15% full-scale output variation across its operating range, versus ±0.06% for Grade A. The difference reflects a trade-off between cost and stability-MAX6008BEUR+T delivers robust performance at lower unit cost where tighter TC is not mission-critical.
Is MAX6008BEUR+T compatible with existing LM4040 footprints?
No, MAX6008BEUR+T is not footprint-compatible with standard LM4040 variants. While both are 3-pin shunt references, the MAX6008BEUR+T uses a SOT23 package with pin 1 = OUT, pin 2 = GND, pin 3 = IC; most LM4040DBZR parts use SOT23-3 with pin 1 = CATHODE, pin 2 = ANODE, pin 3 = NC-different pin functions and internal topology. Direct replacement requires PCB redesign. The MAX6008BEUR+T offers superior low-current performance but is not a drop-in substitute for LM4040 without layout revision.
MAX6008BEUR+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:
- Shunt
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Current - Output:
- 2 mA
- Tolerance:
- ±0.5%
- Temperature Coefficient:
- 75ppm/°C
- Noise - 0.1Hz to 10Hz:
- 60µVp-p
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- -
- Current - Supply:
- -
- Current - Cathode:
- 1 µA
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-23-3
MAX6008BEUR+T FAQ
1.How can I place an order for MAX6008BEUR+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6008BEUR+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 MAX6008BEUR+T reliable?
The price and inventory of MAX6008BEUR+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6008BEUR+T is usually 5 days.
3.What payment methods are accepted for MAX6008BEUR+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6008BEUR+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6008BEUR+T?
MAX6008BEUR+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6008BEUR+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 MAX6008BEUR+T?
For technical support, including MAX6008BEUR+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6008BEUR+T requirements.
6.How does Aetrix verify that MAX6008BEUR+T is sourced from the original manufacturer or authorized distributors?
All MAX6008BEUR+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 MAX6008BEUR+T meets industry standards.
7.What is the process for return or replacement of MAX6008BEUR+T?
All MAX6008BEUR+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6008BEUR+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 MAX6008BEUR+T part is unused and in its original packaging.
Return procedure for MAX6008BEUR+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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