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Analog Devices Inc./Maxim Integrated MAX6102EUR
- Part No.:
- MAX6102EUR
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- TO-236-3, SC-59, SOT-23-3
- Datasheet:
-
MAX6102EUR.pdf
- Description:
- VOLTAGE REFERENCE
- Quantity:
- Payment:
- Shipping:
Inventory:1,976
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Product details
Overview
MAX6102EUR from Maxim Integrated is a precision 2.5V series-mode voltage reference IC in SOT23-3 package, featuring ±0.4% initial accuracy, 75ppm/°C max temperature coefficient, and 50mV dropout at 1mA load. It draws only 90µA quiescent current, sources up to 5mA, sinks up to 2mA, and operates from (VOUT + 200mV) to 12.6V across –40°C to +85°C - ideal for battery-powered ADC/DAC biasing and portable instrumentation.
For engineers reviewing the MAX6102EUR datasheet, MAX6102EUR pinout, MAX6102EUR application, or MAX6102EUR equivalent, this page delivers verified electrical specs, real-world load/line regulation behavior, thermal stability data, supply-current independence from VIN, and design-critical transient response metrics - all specific to the MAX6102EUR variant with 2.5V output.
Technical Context
The MAX6102EUR uses a curvature-corrected bandgap core with laser-trimmed thin-film resistors to achieve low drift and high initial accuracy. Its series-mode architecture eliminates external bias resistors and compensation capacitors, enabling stable operation with any capacitive load when sourcing <200µA and simplifying layout in space-constrained systems.
It delivers 2.5V reference output with 0.9mV/mA load regulation (source), 5.0mV/mA (sink), 300µV/V line regulation, and 86dB ripple rejection at 120Hz - performance validated over full industrial temperature range and specified with guaranteed min/max limits per production test.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 2.500V ±0.4% (±10mV) at +25°C - sets absolute accuracy baseline for 12-bit+ data converters |
| Temp Coefficient | 75ppm/°C max (–40°C to +85°C) - enables ≤±1.5mV drift over full range, critical for precision sensor interfaces |
| Quiescent Current | 90µA typical, 125µA max - ultra-low power draw extends battery life in always-on monitoring systems |
| Dropout Voltage | 50mV at 1mA load - allows operation from 2.55V input, supporting single-cell Li-ion or 3.3V rail margin |
| Load Regulation | 0.9mV/mA (source), 5.0mV/mA (sink) - ensures stable reference under dynamic load switching in mixed-signal SoCs |
| Noise (0.1–10Hz) | 27µVP-P - low flicker noise preserves SNR in high-resolution measurement front-ends |
| Ripple Rejection | 86dB at 120Hz - suppresses AC line artifacts in offline-powered instrumentation |
Pinout & Package
MAX6102EUR is housed in a 3-pin SOT23-3 package (JEDEC MO-178AA), 2.92mm × 1.6mm × 1.1mm, with gull-wing leads and exposed pad not connected internally.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input Voltage Supply | Accepts (VOUT + 200mV) to 12.6V; supplies internal regulator and load current path |
| 2 (OUT) | Reference Output | 2.5V precision output node; directly drives ADC REF+, DAC VREF, or op-amp bias networks |
| 3 (GND) | Ground Reference | Analog ground return for internal bandgap and output stage; must be low-impedance path to system AGND |
Key Features
| Feature | Design Value |
|---|---|
| No output capacitor required | Internally compensated - eliminates 1–10µF ceramic cap, saving >1.5mm² PCB area in wearables and IoT nodes |
| Supply-current independence | Variation ≤8µA/V across input range - avoids wasted current in variable-voltage battery systems (e.g., 3.0–4.2V Li-ion) |
| Low-dropout operation | 50mV dropout at 1mA - enables use with LDO outputs or partially discharged batteries without headroom penalty |
| Stable with capacitive loads | Unconditionally stable for CLOAD = 0 to ∞ when IOUT < 200µA - supports direct connection to ADC input caps without oscillation risk |
| High-output-current capability | Sources 5mA / sinks 2mA - drives multiple SAR ADC references or op-amp gain stages without external buffer |
Applications
| Portable Data Acquisition | Medical Vital Sign Monitors |
|---|---|
Use Scenario: Handheld DMMs and portable oscilloscopes requiring stable 2.5V reference for 16-bit sigma-delta ADCs. IC Role / Device Role / Timing Role: Primary voltage reference for ADC conversion accuracy and offset calibration. Use Value: ±0.4% initial accuracy and 75ppm/°C drift ensure <0.02% total error over temperature - meeting Class II DMM spec. |
Use Scenario: Wearable ECG/SpO₂ modules powered by coin-cell batteries with tight voltage margins. IC Role / Device Role / Timing Role: Low-power reference for analog front-end amplifiers and ADCs in battery-operated medical sensors. Use Value: 90µA quiescent current and 50mV dropout extend usable battery life by >30% vs. legacy references at 2.6V cutoff. |
| Industrial Sensor Transmitters | Automotive Cabin Controllers |
Use Scenario: 4–20mA loop-powered pressure/temperature transmitters operating across –40°C to +85°C. IC Role / Device Role / Timing Role: Precision reference for current-loop DAC and sensor signal conditioning circuitry. Use Value: Guaranteed 75ppm/°C max TCVOUT and ±0.4% accuracy eliminate need for on-board calibration across temperature extremes. |
Use Scenario: Infotainment system audio codecs and touch controller references in automotive dashboards. IC Role / Device Role / Timing Role: Stable 2.5V bias for audio ADCs and capacitive touch sensing ICs sharing noisy 3.3V rail. Use Value: 86dB PSRR at 120Hz rejects alternator ripple and digital switching noise, reducing audio THD by 8dB. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR3425ARJZ-R7 | 2.5V, ±0.1% initial accuracy, 3ppm/°C max TCVOUT, 125µA IQ, SOT23-3 | Higher accuracy and lower drift, but 40% higher quiescent current and tighter layout sensitivity due to required 1µF output cap | Select for metrology-grade systems where drift dominates error budget; avoid in battery-critical designs |
| REF3025AIDBZR | 2.5V, ±0.2% initial accuracy, 50ppm/°C max TCVOUT, 50µA IQ, SOT23-3 | Lower quiescent current and better drift, but only 25mA max source/sink and requires 1µF output capacitor for stability | Prefer for ultra-low-power sensor nodes with light loads; not suitable for driving multiple ADCs or op-amps |
Compared with ADR3425ARJZ-R7 and REF3025AIDBZR, the MAX6102EUR trades minor accuracy/drift for superior load drive (5mA), true capacitor-free operation, and supply-current scalability - making it optimal for cost-sensitive, space-constrained, medium-accuracy embedded systems.
Availability
MAX6102EUR is available at Aetrix Electronics and suitable for portable instrumentation, battery-powered medical devices, and industrial sensor transmitters requiring stable component supply with consistent parametric performance across production lots.
Supply support for MAX6102EUR 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 precision analog, mixed-signal, and power-management ICs for demanding industrial, medical, and communications applications.
The MAX6100–MAX6107 family was engineered specifically for micropower, low-dropout, high-output-current voltage referencing in space- and battery-constrained systems - prioritizing simplicity, stability, and wide-input flexibility over ultra-high precision.
FAQ
What is the maximum load current the MAX6102EUR can source and sink?
The MAX6102EUR can source up to 5mA and sink up to 2mA while maintaining output accuracy within specification. This capability allows direct driving of multiple ADC reference inputs or op-amp bias networks without external buffers - a key advantage over shunt references or low-current series references. The MAX6102EUR's robust output stage ensures stable 2.5V regulation even under dynamic load steps common in mixed-signal SoC interfaces.
Does the MAX6102EUR require an output capacitor for stability?
No, the MAX6102EUR does not require an external output capacitor for stability. It is internally compensated and remains unconditionally stable with any capacitive load when sourcing less than 200µA. For loads exceeding 200µA, stability is maintained with CLOAD < 0.5nF or > 50nF. This capacitor-free operation saves board area and reduces BOM count - a critical benefit in ultra-compact designs like wearable sensors and handheld test equipment using the MAX6102EUR.
What is the minimum input voltage required for the MAX6102EUR to regulate properly?
The MAX6102EUR requires a minimum input voltage of (VOUT + 200mV), i.e., 2.7V, to maintain regulation at full load. Its 50mV dropout voltage at 1mA load means it can deliver stable 2.5V output from as low as 2.55V input under light loads. This low headroom enables reliable operation from partially discharged Li-ion cells (2.7–4.2V) or post-LDO rails with tight margins - a key enabler for long-life battery-powered applications using the MAX6102EUR.
How does the MAX6102EUR's supply current vary with input voltage?
The MAX6102EUR exhibits near-constant quiescent supply current: 90µA typical, with variation limited to 4–8µA/V across its input range. Unlike shunt references whose current scales linearly with VIN, the MAX6102EUR's series architecture draws only the current needed for internal operation plus load - maximizing efficiency in variable-input systems like battery-powered devices. This behavior is explicitly characterized in the MAX6102EUR datasheet and confirmed across –40°C to +85°C.
Is the MAX6102EUR pin-compatible with other devices in the MAX6100–MAX6107 family?
Yes, all MAX6100–MAX6107 variants, including the MAX6102EUR, share identical 3-pin SOT23-3 pinout (IN, OUT, GND) and footprint. This allows drop-in replacement across output voltages (1.25V to 5.0V) without PCB redesign - simplifying inventory management and enabling flexible reference selection during prototyping or production ramp. The MAX6102EUR's top-mark "FZGU" uniquely identifies its 2.5V version within this compatible family.
MAX6102EUR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- TO-236-3, SC-59, SOT-23-3
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.4%
- Temperature Coefficient:
- 75ppm/°C
- Noise - 0.1Hz to 10Hz:
- 27µVp-p
- Noise - 10Hz to 10kHz:
- 30µVrms
- Voltage - Input:
- 2.7V ~ 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
MAX6102EUR FAQ
1.How can I place an order for MAX6102EUR through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6102EUR 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 MAX6102EUR reliable?
The price and inventory of MAX6102EUR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6102EUR is usually 5 days.
3.What payment methods are accepted for MAX6102EUR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6102EUR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6102EUR?
MAX6102EUR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6102EUR 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 MAX6102EUR?
For technical support, including MAX6102EUR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6102EUR requirements.
6.How does Aetrix verify that MAX6102EUR is sourced from the original manufacturer or authorized distributors?
All MAX6102EUR 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 MAX6102EUR meets industry standards.
7.What is the process for return or replacement of MAX6102EUR?
All MAX6102EUR units undergo pre-shipment inspection (PSI). If there is an issue with MAX6102EUR, 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 MAX6102EUR part is unused and in its original packaging.
Return procedure for MAX6102EUR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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