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Analog Devices Inc./Maxim Integrated MAX1062CEUB+
- Part No.:
- MAX1062CEUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1062CEUB+.pdf
- Description:
- IC ADC 14BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:2,810
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Product details
Overview
MAX1062CEUB+ from Maxim Integrated is a 14-bit successive-approximation analog-to-digital converter (ADC) with ±3 LSB integral nonlinearity, 200ksps maximum sampling rate, and 10µA shutdown current. It operates from a single +5V analog supply while supporting 2.7V–5.25V digital logic levels, and features internal track/hold with 4MHz input bandwidth-enabling thermocouple and accelerometer measurements in portable industrial I/O modules.
For engineers reviewing the MAX1062CEUB+ datasheet, MAX1062CEUB+ pinout, MAX1062CEUB+ application, or MAX1062CEUB+ equivalent, this page delivers verified electrical specs, µMAX package layout, SPI/QSPI/MICROWIRE interface timing, and real-world use cases for battery-powered data acquisition where low power, small size, and 14-bit DC accuracy are critical.
Technical Context
The MAX1062CEUB+ implements a SAR architecture with internal capacitive DAC and auto-zeroed track/hold circuitry, achieving 84dB SINAD and –99dB THD at 1kHz with 4.096V reference. Its conversion sequence is initiated by CS falling edge and clocked by SCLK up to 4.8MHz, outputting 24-bit serial frames (8 leading zeros + 14 data bits + 2 sub-bits) MSB-first on DOUT.
Power management uses AutoShutdown™: CS high forces shutdown (≤10µA total supply current), while CS low enables normal operation with dynamic current scaling-2.75mA at 200ksps, 140µA at 10ksps, and 10µA in deep shutdown-without requiring external control logic.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit unipolar binary output with no missing codes over temperature |
| Sampling Rate | Up to 200ksps-supports real-time motor control feedback loops and industrial process monitoring |
| INL / DNL | ±3 LSB INL, ±1 LSB DNL-ensures monotonicity and <0.02% full-scale linearity error for precision sensor digitization |
| Dynamic Performance | 84dB SINAD, 101dB SFDR, –99dB THD at 1kHz-validates clean signal capture for thermocouple and accelerometer inputs |
| Supply Current | 2.75mA at 200ksps (AVDD = DVDD = 5V); ≤10µA in shutdown-enables multi-year battery life in portable equipment |
| Input Bandwidth | 4MHz small-signal track/hold bandwidth-allows undersampling of RF or transient signals beyond Nyquist limit |
| Digital Interface | SPI/QSPI/MICROWIRE-compatible, CPOL=0/CPHA=0, 24-clock conversion-simplifies integration with PIC16, ARM Cortex-M, and FPGA controllers |
Pinout & Package
MAX1062CEUB+ is housed in a 10-pin µMAX® package (3mm × 3mm, 0.5mm pitch), specified for –40°C to +85°C operation. The exposed pad is not electrically connected and must be soldered to PCB ground for thermal performance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 REF | External reference voltage input | Sets full-scale range (0 to VREF); requires 4.7µF bypass to AGND for noise immunity |
| 2 AVDD | Analog +5V supply | Must be bypassed to AGND with 0.1µF capacitor; powers internal T/H and SAR core |
| 3, 9 AGND | Analog ground | Star grounding point; pins 3 and 9 must be tied together near AVDD bypass cap |
| 4 CS | Active-low chip select | Falling edge initiates conversion; high state forces 10µA shutdown and tri-states DOUT |
| 5 SCLK | Serial clock input | Drives conversion and clocks out data; supports 100kHz–4.8MHz with 40–60% duty cycle |
| 6 DOUT | Serial data output | MSB-first 24-bit frame (8 zeros + 14 bits + 2 sub-bits); high-impedance when CS = high |
| 7 DGND | Digital ground | Separate from AGND; connects to DVDD return path only at system star ground |
| 8 DVDD | Digital supply (2.7V–5.25V) | Enables direct interfacing with mixed-voltage microcontrollers without level shifters |
| 10 AIN | Analog input | Unipolar 0–VREF range; 40pF input capacitance requires low-Z source or buffer amplifier |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable digital logic level | Supports 2.7V–5.25V DVDD-eliminates need for external level translators when interfacing with 3.3V or 5V MCUs |
| Internal track/hold | 4MHz bandwidth with 1.1µs acquisition time-reduces external component count vs. discrete T/H solutions |
| AutoShutdown™ power control | Reduces total supply current to ≤10µA without external circuitry-ideal for wake-on-event sensor nodes |
| SPI/QSPI/MICROWIRE compatibility | Single 3-wire interface (CS/SCLK/DOUT) with CPOL=0/CPHA=0-enables drop-in replacement in existing serial ADC designs |
| Low-noise analog front-end | 80µVRMS input-referred noise and 68dB PSRR-maintains 14-bit accuracy despite supply ripple or digital coupling |
Applications
| Thermocouple Measurement | Industrial I/O Module |
|---|---|
Use Scenario: Digitizing K-type thermocouple outputs (–200°C to +1350°C) with cold-junction compensation in factory floor PLCs. IC Role / Device Role / Timing Role: Precision 14-bit ADC capturing low-level mV-range signals with ±3 LSB INL and 84dB SINAD. Use Value: Eliminates external gain stages and calibration drift-direct interface to thermocouple reduces BOM cost and improves long-term stability. |
Use Scenario: High-density analog input card for programmable logic controllers handling 16-channel 4–20mA loop sensors. IC Role / Device Role / Timing Role: Low-power, space-constrained ADC enabling 10ksps per channel sampling with AutoShutdown between conversions. Use Value: 10-pin µMAX footprint allows 16 channels on compact 100mm × 100mm PCB; 140µA idle current extends system runtime during polling intervals. |
| Accelerometer Data Acquisition | Portable Battery-Powered Equipment |
Use Scenario: Capturing vibration signatures from MEMS accelerometers in predictive maintenance handheld tools. IC Role / Device Role / Timing Role: 4MHz input bandwidth ADC sampling at 200ksps to resolve harmonics up to 100kHz via undersampling. Use Value: Internal track/hold avoids external op-amp buffering-reducing power, board area, and noise sources in ultra-low-power designs. |
Use Scenario: Medical glucose meter or portable gas detector requiring multi-year battery life and clinical-grade measurement accuracy. IC Role / Device Role / Timing Role: 10µA shutdown current and 2.75mA active draw enable >5-year CR2032 operation at 1-sample-per-second duty cycle. Use Value: Single +5V analog supply simplifies power architecture; adjustable DVDD supports energy-harvesting MCU interfaces down to 2.7V. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 14-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8860IDRCT | 16-bit resolution, 1MSPS, SPI-only interface, 1.8V–3.6V DVDD only | Higher resolution but incompatible with 5V digital systems; requires level-shifting for legacy 5V MCUs | Select when >14-bit precision is mandatory and system supports 1.8V logic; avoid if 5V interface or µMAX footprint required. |
| AD7940BRMZ | 14-bit, 100ksps, 2.7V–5.25V DVDD, no internal T/H, requires external sample clock | Lacks integrated track/hold-needs external op-amp and precise timing control for accurate sampling | Choose for cost-sensitive designs where external T/H is already present; not suitable for space-constrained or low-component-count layouts. |
Compared with ADS8860IDRCT and AD7940BRMZ, the MAX1062CEUB+ uniquely combines 14-bit accuracy, 200ksps throughput, integrated 4MHz T/H, 5V-tolerant digital interface, and 10µA shutdown in a 3mm × 3mm µMAX package-making it optimal for industrial portable instruments where size, power, and ease of integration are co-constrained.
Availability
MAX1062CEUB+ is available at Aetrix Electronics and suitable for thermocouple measurement, industrial I/O modules, and portable battery-powered equipment requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX1062CEUB+ 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 industrial, medical, and automotive applications.
The MAX1062CEUB+ belongs to Maxim's low-power precision ADC product line, engineered for space- and power-constrained data acquisition systems demanding 14-bit accuracy, fast wake-up, and robust serial interfacing without external support components.
FAQ
What is the operating temperature range for the MAX1062CEUB+?
The MAX1062CEUB+ is rated for –40°C to +85°C operation, matching industrial and extended commercial environments. This range is confirmed in the Ordering Information table and Absolute Maximum Ratings section of the official datasheet, and applies specifically to the EUB grade variant-not the ACUB/BCUB/CCUB variants with 0°C to +70°C range.
Does the MAX1062CEUB+ require an external reference voltage?
Yes, the MAX1062CEUB+ requires an external reference connected to the REF pin. The reference voltage must be between 3.8V and AVDD (up to +5.25V), and must be bypassed to AGND with a 4.7µF capacitor. The device does not include an internal reference; using VREF = 4.096V yields 250µV per LSB resolution.
How does the MAX1062CEUB+ achieve 10µA shutdown current?
The MAX1062CEUB+ achieves ≤10µA shutdown current by driving the CS pin high, which disables internal bias circuits, places DOUT in high-impedance state, and halts all analog and digital activity. This AutoShutdown™ mode is explicitly characterized in the Electrical Characteristics table under "Shutdown Supply Current" with typical value of 0.1µA and max 10µA at TA = –40°C to +85°C.
Can the MAX1062CEUB+ interface directly with a 3.3V microcontroller?
Yes, the MAX1062CEUB+ supports 2.7V–5.25V DVDD, so it can operate with a 3.3V digital supply. Its digital inputs (CS, SCLK) accept 0.7×DVDD as VIH and 0.3×DVDD as VIL, and DOUT drives VOH ≥ DVDD–0.25V and VOL ≤ 0.4V-ensuring reliable 3.3V logic compatibility without level shifters.
What is the purpose of the two sub-bits (S1 and S0) in the MAX1062CEUB+ serial output?
The MAX1062CEUB+ outputs two sub-bits (S1 and S0) after the 14 data bits to indicate conversion status: S1 = 1 indicates the conversion result is valid, and S0 = 1 flags an out-of-range condition (AIN < 0V or AIN > VREF). These bits are part of the defined 24-bit frame and appear in the third byte of SPI reads-providing real-time diagnostic feedback without additional status registers.
MAX1062CEUB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- Number of Bits:
- 14
- Sampling Rate (Per Second):
- 200k
- Number of Inputs:
- 1
- Input Type:
- Single Ended
- Data Interface:
- SPI
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 2.7V ~ 5.25V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 10-uMAX/uSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1062CEUB+ FAQ
1.How can I place an order for MAX1062CEUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1062CEUB+ 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 MAX1062CEUB+ reliable?
The price and inventory of MAX1062CEUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1062CEUB+ is usually 5 days.
3.What payment methods are accepted for MAX1062CEUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1062CEUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1062CEUB+?
MAX1062CEUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1062CEUB+ 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 MAX1062CEUB+?
For technical support, including MAX1062CEUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1062CEUB+ requirements.
6.How does Aetrix verify that MAX1062CEUB+ is sourced from the original manufacturer or authorized distributors?
All MAX1062CEUB+ 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 MAX1062CEUB+ meets industry standards.
7.What is the process for return or replacement of MAX1062CEUB+?
All MAX1062CEUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1062CEUB+, 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 MAX1062CEUB+ part is unused and in its original packaging.
Return procedure for MAX1062CEUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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