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Analog Devices Inc./Maxim Integrated MAX6193AESA+
- Part No.:
- MAX6193AESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX6193AESA+.pdf
- Description:
- IC VREF SERIES 0.07% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:4,816
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Product details
Overview
MAX6193AESA+ from Maxim Integrated is a precision, micropower, low-dropout series voltage reference delivering 3.000V output with ±2mV initial accuracy, 5ppm/°C max temperature coefficient, and 35µA max quiescent current. It operates from (VOUT + 0.2V) to 12.6V input, supports ±500µA load current, and is used in high-accuracy ADC/DAC biasing, portable instrumentation, and industrial process control systems.
For engineers reviewing the MAX6193AESA+ datasheet, MAX6193AESA+ pinout, MAX6193AESA+ application, or MAX6193AESA+ equivalent, key selection criteria include initial voltage error, thermal drift stability over -40°C to +85°C, dropout performance at full load, capacitive-load tolerance up to 2.2nF, and compatibility with battery-powered systems requiring <35µA supply current.
Technical Context
The MAX6193AESA+ employs a curvature-corrected bandgap core with laser-trimmed thin-film resistors to achieve <5ppm/°C temperature coefficient and ±2mV initial accuracy. Its series-mode architecture enables sourcing and sinking up to 500µA while maintaining low dropout (100mV typ at 500µA).
Internally compensated for stability with capacitive loads from 0 to 2.2nF, it achieves 100µs turn-on settling time to 0.1% and exhibits 0.14µV/µA load regulation and 20µV/V line regulation - critical for precision data conversion and low-power sensor signal chains.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 3.000V ±2mV (guaranteed initial accuracy over -40°C to +85°C) |
| Temp Coefficient | ≤5ppm/°C (max drift over full operating temperature range) |
| Quiescent Current | ≤35µA (enables multi-year battery life in handheld instruments) |
| Dropout Voltage | 100mV typical at 500µA load (supports operation down to 3.1V input) |
| Load Regulation | 0.14µV/µA (output change per µA load shift - ensures stable reference under dynamic loads) |
| Capacitive Load Stability | 0–2.2nF (no minimum output capacitor required; simplifies layout) |
| Line Regulation | 20µV/V (output variation per volt of input change - critical for unregulated supplies) |
Pinout & Package
MAX6193AESA+ is housed in an 8-pin SO (Small Outline) package, RoHS-compliant and rated for -40°C to +85°C operation. Pin 1 is OUT, Pin 2 is IN, Pin 4 is GND; Pins 1, 3, 5, 7, and 8 are No Connect (N.C.).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 3, 5, 7, 8 | N.C. | No internal connection - must be left floating or tied to GND per layout best practice |
| 2 | IN | Positive supply input; accepts 3.2V to 12.6V; requires local decoupling for PSR optimization |
| 4 | GND | Analog ground reference; must be connected to clean system ground plane with low-impedance path |
| 6 | OUT | Precision 3.000V reference output; capable of sourcing/sinking ±500µA with minimal regulation error |
Key Features
| Feature | Design Value |
|---|---|
| Curvature-corrected bandgap | Enables ≤5ppm/°C tempco without external compensation components |
| Laser-trimmed thin-film resistors | Guarantees ±2mV initial accuracy - eliminates post-manufacture calibration |
| Series-mode architecture | Draws only 35µA quiescent current regardless of load state - maximizes battery efficiency |
| Internal compensation | Stable with 0–2.2nF output capacitance - removes need for external compensation network |
| Low-output-impedance design | Supports fast transient response (<100µs settling) into dynamic loads like SAR ADC sampling |
Applications
| Hand-Held Instruments | Analog-to-Digital Converters |
|---|---|
Use Scenario: Portable multimeters and battery-powered data loggers requiring stable, low-power reference for 16-bit measurements. IC Role / Device Role / Timing Role: Primary voltage reference for ADC front-end, providing excitation and scaling for precision analog inputs. Use Value: ±2mV initial accuracy and 5ppm/°C drift ensure measurement repeatability across field temperature variations without recalibration. |
Use Scenario: High-resolution SAR and sigma-delta ADCs in industrial sensors and medical devices. IC Role / Device Role / Timing Role: Reference source for ADC conversion accuracy; directly sets full-scale input range. Use Value: 0.14µV/µA load regulation prevents code errors during fast sampling transients, preserving ENOB in real-time acquisition. |
| Industrial Process Control | Precision 3V Systems |
Use Scenario: 4–20mA transmitter modules and PLC analog I/O cards operating in harsh environments. IC Role / Device Role / Timing Role: Stable bias reference for current-loop DACs and sensor signal conditioning amplifiers. Use Value: 100mV dropout allows operation from 3.3V rails with margin, while long-term stability (50ppm/1000hrs) maintains calibration integrity over years. |
Use Scenario: Low-voltage microcontroller systems using 3.0V logic and analog peripherals. IC Role / Device Role / Timing Role: System-level reference for internal ADCs, DACs, and voltage monitors. Use Value: Exact 3.000V output matches nominal 3V supply domain, eliminating scaling errors in ratiometric sensing architectures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| REF3030AIDBZR | 3.0V output, ±1.5mV initial accuracy, 50ppm/°C max tempco, 50µA quiescent current | Higher supply current and wider tempco reduce suitability for ultra-low-power or wide-temperature deployments | Preferred where lower initial error is prioritized over power and thermal stability |
| ADR3430ARJZ-R7 | 3.0V output, ±2mV initial accuracy, 10ppm/°C max tempco, 35µA quiescent current, 150mV dropout | Higher dropout limits use in 3.3V systems with tight headroom; wider tempco impacts high-accuracy metrology | Selected when ADR34x family footprint compatibility or ADI ecosystem integration is required |
Compared with REF3030AIDBZR and ADR3430ARJZ-R7, MAX6193AESA+ offers superior thermal stability (5ppm/°C vs. 10ppm/°C or 50ppm/°C) and lower dropout (100mV vs. 150mV or unspecified), making it optimal for battery-constrained, high-precision applications demanding consistent performance across temperature and supply voltage variation.
Availability
MAX6193AESA+ is available at Aetrix Electronics and suitable for hand-held instruments, analog-to-digital converters, and industrial process control systems requiring stable component supply with guaranteed long-term availability and traceable sourcing.
Supply support for MAX6193AESA+ 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 precision, power, and interface applications.
The MAX6190–MAX6195/MAX6198 family was engineered specifically for micropower, low-drift voltage referencing in portable and industrial measurement systems - emphasizing initial accuracy, thermal stability, and supply efficiency.
FAQ
What is the maximum load current supported by MAX6193AESA+?
MAX6193AESA+ supports sourcing and sinking up to ±500µA while maintaining specified accuracy and regulation. At 500µA load, dropout voltage is typically 100mV, and load regulation is characterized at 0.14µV/µA - ensuring minimal output deviation even under full bidirectional loading conditions. This capability makes MAX6193AESA+ suitable for driving ADC reference inputs, op-amp bias networks, and precision DACs without external buffering.
Does MAX6193AESA+ require an external output capacitor?
No, MAX6193AESA+ does not require an external output capacitor for stability - it is internally compensated and remains stable with capacitive loads from 0 to 2.2nF. An optional capacitor may improve transient response in systems with abrupt load or supply changes, but omitting it saves board space and cost. The absence of mandatory output capacitance is a key advantage in space-constrained portable designs where MAX6193AESA+ is commonly deployed.
What is the operating temperature range for MAX6193AESA+?
MAX6193AESA+ is rated for continuous operation from -40°C to +85°C. All key specifications - including ±2mV initial accuracy, ≤5ppm/°C temperature coefficient, and 35µA max quiescent current - are guaranteed across this full industrial temperature range. This makes MAX6193AESA+ appropriate for deployment in outdoor instrumentation, factory-floor controllers, and automotive cabin electronics where ambient thermal extremes are expected.
How does the supply voltage affect quiescent current in MAX6193AESA+?
Quiescent supply current in MAX6193AESA+ is highly stable: it varies by only 0.8µA/V across its input range (3.2V to 12.6V), remaining ≤35µA maximum. This near-constant current draw - independent of VIN - is a defining feature of its series-mode architecture and directly enables predictable battery-life estimation in portable equipment. Unlike shunt references, MAX6193AESA+ does not waste current when load demand is low.
Can MAX6193AESA+ be used in a 3.3V system?
Yes, MAX6193AESA+ is fully compatible with 3.3V systems: its minimum input voltage is VOUT + 0.2V = 3.2V, and typical dropout is 100mV at 500µA load. With a 3.3V supply, it maintains full specification compliance and delivers stable 3.000V output. This tight headroom tolerance makes MAX6193AESA+ ideal for modern low-voltage embedded platforms where rail margins are constrained and power efficiency is critical.
MAX6193AESA+ 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):
- 3V
- Voltage - Output (Max):
- -
- Current - Output:
- 500 µA
- Tolerance:
- ±0.07%
- Temperature Coefficient:
- 5ppm/°C
- Noise - 0.1Hz to 10Hz:
- 75µVp-p
- Noise - 10Hz to 10kHz:
- 150µVrms
- Voltage - Input:
- 3.2V ~ 12.6V
- Current - Supply:
- 35µA
- Current - Cathode:
- -
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
MAX6193AESA+ FAQ
1.How can I place an order for MAX6193AESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6193AESA+ 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 MAX6193AESA+ reliable?
The price and inventory of MAX6193AESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6193AESA+ is usually 5 days.
3.What payment methods are accepted for MAX6193AESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6193AESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6193AESA+?
MAX6193AESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6193AESA+ 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 MAX6193AESA+?
For technical support, including MAX6193AESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6193AESA+ requirements.
6.How does Aetrix verify that MAX6193AESA+ is sourced from the original manufacturer or authorized distributors?
All MAX6193AESA+ 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 MAX6193AESA+ meets industry standards.
7.What is the process for return or replacement of MAX6193AESA+?
All MAX6193AESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX6193AESA+, 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 MAX6193AESA+ part is unused and in its original packaging.
Return procedure for MAX6193AESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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