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Analog Devices Inc./Maxim Integrated MAX6164BESA+
- Part No.:
- MAX6164BESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX6164BESA+.pdf
- Description:
- IC VREF SERIES 0.12% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:928
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Product details
Overview
MAX6164BESA+ from Maxim Integrated is a precision, low-dropout, micropower series voltage reference delivering a stable 4.096V output with ±5mV initial accuracy and 4–10ppm/°C temperature coefficient over -40°C to +85°C. It sources up to 5mA, sinks 2mA, operates down to VOUT + 200mV input, and draws only 100–120μA quiescent current-ideal for high-accuracy ADC biasing in portable instrumentation.
For engineers reviewing the MAX6164BESA+ datasheet, MAX6164BESA+ pinout, MAX6164BESA+ application, or MAX6164BESA+ equivalent, key selection criteria include its 4.096V output (matching 12-bit DAC/ADC full-scale), low 200mV max dropout at 1mA, 125ppm long-term stability, and SO-8 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX6164BESA+ employs a proprietary curvature-correction circuit and laser-trimmed thin-film resistors to achieve tight thermal drift performance. Its BiCMOS process enables internal compensation-eliminating need for external capacitors while maintaining stability with ≥1μF capacitive loads.
This series-mode reference operates across 4.296V–12.6V input range (VOUT + 0.2V min), delivers 0.6–0.9mV/mA sourcing load regulation and 2.0–7.0mV/mA sinking regulation, and provides 72dB ripple rejection at 120Hz-critical for noise-sensitive data acquisition systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 4.096V ±5mV at +25°C - matches standard 12-bit system full-scale reference points |
| Temp Coefficient | 4–10ppm/°C - ensures ≤±0.35% output drift over -40°C to +85°C operating range |
| Dropout Voltage | 50–200mV at 1mA - enables operation from single Li-ion cell (3.0V–4.2V) with margin |
| Quiescent Current | 100–120μA typical - supports >1-year battery life in 10μA-average-power portable devices |
| Load Regulation | 0.6–0.9mV/mA sourcing - maintains <±0.1% error under 5mA ADC/DAC reference current demand |
| Noise (0.1–10Hz) | 50μVp-p - contributes <0.012 LSB error in 12-bit 4.096V-range converters |
| Ripple Rejection | 72dB at 120Hz - suppresses AC line noise coupling into precision analog signal chains |
Pinout & Package
MAX6164BESA+ is housed in an 8-pin SO (Small Outline) package with exposed pad (RoHS-compliant, lead-free). Pin 1, 3, 5, 7, and 8 are No Connect (N.C.), internally unconnected.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 2 | IN | Input voltage supply terminal; accepts 4.296V–12.6V; requires local 0.1μF ceramic bypass if high line-transient immunity needed |
| 4 | GND | Analog ground reference; must be connected to clean system ground plane with low-impedance path |
| 6 | OUT | Precision 4.096V reference output; capable of sourcing 5mA or sinking 2mA; stable without external capacitor |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed thin-film resistors | Enables ±5mV initial accuracy and 4–10ppm/°C tempco without post-package calibration |
| Proprietary curvature-correction | Reduces parabolic thermal drift-critical for wide-temperature industrial sensor front-ends |
| No external compensation capacitor required | Saves ≥2mm² PCB area and eliminates capacitor-related aging/drift in field-deployed equipment |
| Supply-current independence | ΔIIN/ΔVIN = 3.2–8.0μA/V - avoids supply-rail-dependent reference error in multi-rail systems |
| Stable with 1μF capacitive loads | Supports direct connection to ADC reference inputs with decoupling caps without oscillation risk |
Applications
| Portable DMMs | Industrial Data Loggers |
|---|---|
Use Scenario: Handheld digital multimeters requiring 4.096V reference for 12-bit ADC digitization of voltage/current/resistance. IC Role / Device Role / Timing Role: Primary voltage reference for SAR ADC conversion core and auto-ranging circuitry. Use Value: ±5mV initial accuracy and 10ppm/°C max tempco ensure calibrated accuracy across operating temperature without field recalibration. | Use Scenario: Battery-powered environmental sensors logging temperature/humidity/pressure over extended periods. IC Role / Device Role / Timing Role: Stable excitation and reference source for precision bridge transducers and sigma-delta ADCs. Use Value: 100μA quiescent current extends 10-year deployment life on primary lithium batteries; 200mV dropout enables use with aging cells. |
| Medical Patient Monitors | Test & Measurement Equipment |
Use Scenario: Portable ECG/SpO₂ units needing low-noise, stable reference for analog front-end gain/offset calibration. IC Role / Device Role / Timing Role: Reference for programmable-gain instrumentation amplifiers and 16-bit ADCs. Use Value: 50μVp-p (0.1–10Hz) noise minimizes baseline wander in sub-mV biopotential signals. | Use Scenario: Benchtop multimeters and oscilloscope reference subsystems demanding traceable 4.096V calibration points. IC Role / Device Role / Timing Role: Primary reference for internal DAC-based offset correction and self-test circuits. Use Value: 125ppm/1000hr long-term stability reduces annual calibration frequency and metrology overhead. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF5040IDR | 4.096V output, ±1mV initial accuracy, 3ppm/°C max tempco, 125μA IQ, SO-8 | Higher accuracy and lower drift, but higher cost and 2× quiescent current | Select when metrology-grade stability outweighs battery-life constraints |
| ADR444BRZ | 4.096V output, ±2mV initial accuracy, 3ppm/°C max tempco, 1.2mA IQ, SO-8 | Superior drift performance but 12× higher supply current limits portable use | Prefer for mains-powered lab equipment where ultra-low hysteresis (5ppm) is critical |
Compared with REF5040IDR and ADR444BRZ, MAX6164BESA+ offers the optimal balance of 4.096V precision, ultra-low 100μA quiescent current, and SO-8 footprint-making it the preferred choice for battery-operated 12-bit measurement systems where power efficiency and board area are constrained.
Availability
MAX6164BESA+ is available at Aetrix Electronics and suitable for portable instrumentation, industrial data loggers, and medical monitoring devices requiring stable component supply with guaranteed long-term availability and RoHS-compliant packaging.
Supply support for MAX6164BESA+ 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 and mixed-signal ICs for demanding industrial, medical, and communications applications.
The MAX6161–MAX6168 family was engineered specifically for high-accuracy, low-power voltage referencing in battery-operated and space-constrained systems-emphasizing micropower operation, low dropout, and capacitor-free stability.
FAQ
What is the maximum load current the MAX6164BESA+ can source while maintaining specification?
The MAX6164BESA+ is specified to source up to 5mA while maintaining its load regulation of 0.6–0.9mV/mA and output voltage accuracy. At 5mA sourcing, the output voltage change remains within ±4.5mV of nominal 4.096V-well within the ±5mV initial accuracy band. Exceeding 5mA may degrade regulation and increase dropout voltage beyond 200mV.
Does the MAX6164BESA+ require an external output capacitor for stability?
No, the MAX6164BESA+ does not require an external output capacitor for stability due to its internally compensated architecture. It remains stable with capacitive loads up to 1μF. Adding a 0.1–1μF ceramic capacitor at the OUT pin improves transient response during step-load changes but is optional per the datasheet.
How does the MAX6164BESA+ compare to the MAX6164AESA+ in terms of accuracy and temperature drift?
The MAX6164BESA+ has ±5mV initial accuracy and 4–10ppm/°C temperature coefficient, whereas the MAX6164AESA+ offers tighter ±2mV initial accuracy and 2–5ppm/°C tempco. Both share identical pinout, package, and electrical characteristics except for these trimmed parameters-making them drop-in replacements where grade selection aligns with system tolerance budgets.
What is the minimum input voltage required for the MAX6164BESA+ to regulate properly at full load?
The MAX6164BESA+ requires a minimum input voltage of VOUT + 200mV = 4.296V to maintain regulation at 1mA load current. At higher loads (e.g., 5mA), the dropout voltage increases slightly-so for robust operation across full 0–5mA load range, VIN ≥ 4.5V is recommended to preserve margin against line and load transients.
Can the MAX6164BESA+ be used in a shunt-reference configuration?
No, the MAX6164BESA+ is a three-terminal series-mode voltage reference and cannot operate as a shunt reference. It requires connection between IN and GND with OUT providing the regulated voltage-unlike two-terminal shunt references that connect between supply and ground. Attempting shunt configuration will prevent proper regulation and may damage the device.
MAX6164BESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 4.096V
- Voltage - Output (Max):
- -
- Current - Output:
- 5 mA
- Tolerance:
- ±0.12%
- Temperature Coefficient:
- 10ppm/°C
- Noise - 0.1Hz to 10Hz:
- 50µVp-p
- Noise - 10Hz to 10kHz:
- 50µVrms
- Voltage - Input:
- 4.296V ~ 12.6V
- Current - Supply:
- 120µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX6164BESA+ FAQ
1.How can I place an order for MAX6164BESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6164BESA+ 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 MAX6164BESA+ reliable?
The price and inventory of MAX6164BESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6164BESA+ is usually 5 days.
3.What payment methods are accepted for MAX6164BESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6164BESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6164BESA+?
MAX6164BESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6164BESA+ 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 MAX6164BESA+?
For technical support, including MAX6164BESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6164BESA+ requirements.
6.How does Aetrix verify that MAX6164BESA+ is sourced from the original manufacturer or authorized distributors?
All MAX6164BESA+ 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 MAX6164BESA+ meets industry standards.
7.What is the process for return or replacement of MAX6164BESA+?
All MAX6164BESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6164BESA+, 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 MAX6164BESA+ part is unused and in its original packaging.
Return procedure for MAX6164BESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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