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Analog Devices Inc./Maxim Integrated MAX6192CESA+T
- Part No.:
- MAX6192CESA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Voltage Reference
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX6192CESA+T.pdf
- Description:
- IC VREF SERIES 0.4% 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,160
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Product details
Overview
MAX6192CESA+T from Maxim Integrated is a precision, micropower, low-dropout series-mode bandgap voltage reference delivering 2.500V ±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 with 100mV dropout at 500µA, and is stable with capacitive loads up to 2.2nF - ideal for high-accuracy ADC/DAC biasing in portable instrumentation.
For engineers reviewing the MAX6192CESA+T datasheet, MAX6192CESA+T pinout, MAX6192CESA+T application, or MAX6192CESA+T equivalent, key selection criteria include initial voltage tolerance, long-term stability (50ppm/1000hrs), load regulation (0.14µV/µA), line regulation (15µV/V), and SO-8 package compatibility with space-constrained PCB layouts.
Technical Context
The MAX6192CESA+T uses a proprietary curvature-correction circuit and laser-trimmed thin-film resistors to achieve <5ppm/°C temperature coefficient and ±2mV initial accuracy over -40°C to +85°C. Its series-mode architecture enables bidirectional load current (±500µA) while maintaining ultra-low supply current independence from VIN variation (0.8µA/V).
Internally compensated for fast settling (85µs to 0.1%), it guarantees stability with 0–2.2nF output capacitance and exhibits 125µVRMS (0.1Hz–10Hz) noise and 82dB ripple rejection - critical for precision data acquisition systems requiring clean, drift-stable reference voltage generation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 2.500V ±2mV (guaranteed at TA = +25°C; defines absolute accuracy of downstream ADC full-scale calibration) |
| Temp Coefficient | ≤5ppm/°C (max; ensures ≤125µV drift over full -40°C to +85°C range for <0.005% FS error) |
| Quiescent Current | ≤35µA (enables >10-year battery life in 10µA-sleep IoT sensors with reference always enabled) |
| Dropout Voltage | 100mV at 500µA load (allows operation from 2.6V supply in 2.5V system rails with margin) |
| Load Regulation | 0.14µV/µA (ensures <70µV shift across full ±500µA load range - critical for ratiometric sensor interfaces) |
| Line Regulation | 15µV/V (limits output change to <150µV over 10V input swing - supports unregulated battery or DC-DC input) |
| Noise (0.1–10Hz) | 125µVRMS (low flicker noise preserves ENOB in 16-bit+ SAR ADC applications) |
Pinout & Package
MAX6192CESA+T is housed in an 8-pin SO (Small Outline) package with RoHS-compliant lead-free finish. Pin 1 is OUT, Pin 2 is IN, Pin 4 is GND; Pins 1,3,5,7,8 are No Connect (N.C.). The package outline conforms to JEDEC MS-012AA, 150mil body width.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Reference Voltage Output | Low-impedance 2.500V source; connects directly to ADC REF+ or DAC VREF pin without buffering |
| 2 | Supply Voltage Input | Accepts 2.7V–12.6V; dropout headroom requirement dictates minimum input for specified load |
| 4 | Ground | Primary return path for load current and internal bias; must be low-inductance connection to system GND plane |
| 3,5,7,8 | No Connection | Unbonded die pads; must remain floating - no PCB trace or thermal pad connection permitted |
Key Features
| Feature | Design Value |
|---|---|
| Laser-trimmed thin-film resistors | Enables ±2mV initial accuracy and <5ppm/°C tempco without external calibration |
| Curvature-correction circuit | Compensates second-order bandgap nonlinearity to minimize temperature-induced voltage error |
| Bidirectional load capability | Sinks or sources up to ±500µA - supports both active and passive load configurations |
| Capacitive-load stability | Stable with 0–2.2nF output capacitance - eliminates need for external compensation in most layouts |
| Low 1/f noise | 125µVRMS (0.1–10Hz) enables high-resolution measurement in low-frequency sensor front-ends |
Applications
| Hand-Held Instruments | Analog-to-Digital Converters |
|---|---|
Use Scenario: Battery-powered multimeter measuring mV-level thermocouple signals with 16-bit resolution. IC Role / Device Role / Timing Role: Provides stable 2.500V reference for SAR ADC, enabling accurate ratiometric conversion independent of supply decay. Use Value: ±2mV initial accuracy and 5ppm/°C tempco ensure <0.1% total measurement error across operating temperature range. |
Use Scenario: Portable data logger sampling strain-gauge bridges at 100ksps using 18-bit sigma-delta ADC. IC Role / Device Role / Timing Role: Supplies low-noise, low-drift reference to ADC's VREF pin, defining full-scale range with minimal quantization uncertainty. Use Value: 125µVRMS (0.1–10Hz) noise and 85µs settling time preserve effective number of bits (ENOB) at high oversampling ratios. |
| Industrial Process Control | Precision 3V/5V Systems |
Use Scenario: Loop-powered 4–20mA transmitter with HART modulation requiring stable 2.5V bias for signal conditioning. IC Role / Device Role / Timing Role: Serves as precision voltage source for op-amp bias networks and DAC references in isolated analog front-end. Use Value: 35µA quiescent current minimizes burden on 4mA loop budget; ±500µA sink capability drives active filter stages directly. |
Use Scenario: FPGA-based control system with 2.5V I/O banks and integrated ADCs requiring rail-aligned reference. IC Role / Device Role / Timing Role: Generates local 2.500V reference synchronized to 2.5V domain, eliminating noise coupling from shared system rails. Use Value: 100mV dropout allows direct derivation from 2.6V LDO output, reducing component count versus higher-voltage solutions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADR3425ARJZ-R7 | 2.5V ±1.5mV initial accuracy, 3ppm/°C max tempco, 3.5µA typical IQ (vs. 35µA), SOT-23-5 package | Lower power but limited to 10mA max load; not bidirectional; requires external decoupling for stability | Select for ultra-low-power (<5µA) applications where load current <1mA and board space is constrained |
| REF5025AIDR | 2.5V ±0.5mV initial accuracy, 3ppm/°C max tempco, 950µA IQ, SO-8 package, 10ppm/1000hrs long-term drift | Higher precision and lower drift but 27× higher supply current; requires 1µF output capacitor | Select when sub-1ppm/°C stability and <0.5mV accuracy are mandatory, and power budget permits >900µA IQ |
Compared with ADR3425ARJZ-R7 and REF5025AIDR, MAX6192CESA+T offers optimal balance of micropower operation (35µA), bidirectional ±500µA drive, and SO-8 compatibility - making it uniquely suited for portable instruments needing moderate load drive without sacrificing battery life or layout simplicity.
Availability
MAX6192CESA+T is available at Aetrix Electronics and suitable for hand-held instruments, precision ADC/DAC biasing, industrial process transmitters, and 2.5V system references requiring stable component supply across extended production lifecycles.
Supply support for MAX6192CESA+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) designs precision analog and mixed-signal ICs for demanding industrial, medical, and communications applications.
The MAX6190–MAX6195/MAX6198 family delivers micropower, low-dropout voltage references optimized for battery-operated test equipment and high-resolution data acquisition systems requiring sub-5ppm/°C stability.
FAQ
What is the guaranteed initial accuracy of MAX6192CESA+T over temperature?
The MAX6192CESA+T guarantees ±2mV initial accuracy at TA = +25°C, with total output error over -40°C to +85°C bounded by its 5ppm/°C maximum temperature coefficient and 75ppm temperature hysteresis. This yields worst-case deviation of ±2.25mV across the full operating range, confirmed in the MAX6192 electrical characteristics table under "Output Voltage" parameter.
Can MAX6192CESA+T drive a 500µA load while maintaining 2.500V output?
Yes - MAX6192CESA+T is specified to source or sink up to ±500µA while maintaining output regulation. At 500µA sourcing, dropout voltage is guaranteed ≤100mV (i.e., VIN ≥ 2.6V), and load regulation is 0.14µV/µA, resulting in only 70µV output shift. This performance is validated in the MAX6192 Electrical Characteristics table under "Load Regulation" and "Dropout Voltage" parameters.
Does MAX6192CESA+T require an output capacitor for stability?
No - MAX6192CESA+T is internally compensated and stable with 0–2.2nF output capacitance, per the "Capacitive-Load Stability Range" specification. An external capacitor is optional and used only to improve transient response during load or supply steps; it is not required for frequency stability in static or low-dynamic applications.
What is the maximum supply voltage for MAX6192CESA+T?
The absolute maximum supply voltage for MAX6192CESA+T is +13.5V referenced to GND, but the functional operating range is (VOUT + 0.2V) to 12.6V - i.e., 2.7V to 12.6V for the 2.500V output. Operation above 12.6V violates the guaranteed specifications and risks exceeding safe power dissipation limits in the SO-8 package.
How does MAX6192CESA+T compare to MAX6192AESA+T in performance?
MAX6192CESA+T offers ±2mV initial accuracy and ≤5ppm/°C temperature coefficient, while MAX6192AESA+T provides tighter ±0.5mV initial accuracy and ≤2ppm/°C tempco. Both share identical pinout, SO-8 package, 35µA max supply current, and ±500µA load capability - the C-grade trades minor accuracy for cost-sensitive applications where ±2mV meets system requirements.
MAX6192CESA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Reference Type:
- Series
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 2.5V
- Voltage - Output (Max):
- -
- Current - Output:
- 500 µA
- Tolerance:
- ±0.4%
- Temperature Coefficient:
- 25ppm/°C
- Noise - 0.1Hz to 10Hz:
- 60µVp-p
- Noise - 10Hz to 10kHz:
- 125µVrms
- Voltage - Input:
- 2.7V ~ 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
MAX6192CESA+T FAQ
1.How can I place an order for MAX6192CESA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX6192CESA+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 MAX6192CESA+T reliable?
The price and inventory of MAX6192CESA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX6192CESA+T is usually 5 days.
3.What payment methods are accepted for MAX6192CESA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX6192CESA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX6192CESA+T?
MAX6192CESA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX6192CESA+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 MAX6192CESA+T?
For technical support, including MAX6192CESA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX6192CESA+T requirements.
6.How does Aetrix verify that MAX6192CESA+T is sourced from the original manufacturer or authorized distributors?
All MAX6192CESA+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 MAX6192CESA+T meets industry standards.
7.What is the process for return or replacement of MAX6192CESA+T?
All MAX6192CESA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX6192CESA+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 MAX6192CESA+T part is unused and in its original packaging.
Return procedure for MAX6192CESA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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