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Analog Devices Inc./Maxim Integrated MAX1062BEUB+
- Part No.:
- MAX1062BEUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1062BEUB+.pdf
- Description:
- IC ADC 14BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:1,753
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Product details
Overview
The MAX1062BEUB+ from Maxim Integrated is a 14-bit, single-supply +5V successive-approximation analog-to-digital converter (ADC) with 200ksps maximum sampling rate, ±2 LSB integral nonlinearity (INL), 10µA shutdown current, and SPI/QSPI/MICROWIRE-compatible serial interface. It features internal track-and-hold, 4MHz input bandwidth, and operates across –40°C to +85°C for industrial data-acquisition systems requiring high resolution and ultra-low power.
For engineers reviewing the MAX1062BEUB+ datasheet, MAX1062BEUB+ pinout, MAX1062BEUB+ application, or MAX1062BEUB+ equivalent, this page delivers verified electrical specs, thermal operating range confirmation, real-world timing constraints (e.g., 1.1µs acquisition time, 24-clock conversion), and validated alternative part guidance - all specific to the MAX1062BEUB+ variant.
Technical Context
The MAX1062BEUB+ implements a SAR architecture with internal capacitive DAC and auto-zeroed track-and-hold circuitry, enabling unipolar 0–VREF conversions with 14-bit monotonicity and no missing codes. Its digital interface uses CS-active-low control with SCLK-synchronized DOUT output, supporting 24-clock cycles per conversion and MSB-first 14-bit data plus two sub-bits (S1/S0).
Power management is handled via CS-driven mode switching: CS high enables 0.1µA shutdown (typ), while CS low initiates acquisition and conversion. The device separates AVDD (+4.75V to +5.25V) and DVDD (2.7V to 5.25V) supplies, allowing direct interfacing with mixed-voltage logic without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete output levels for high-fidelity signal digitization in precision measurement. |
| Sampling Rate | 200ksps max - supports real-time capture of signals up to 100kHz Nyquist bandwidth with adequate oversampling headroom. |
| INL | ±2 LSB - ensures end-point linearity error remains within ±0.012% of full scale (VREF = 4.096V), critical for calibrated sensor interfaces. |
| Shutdown Current | 0.1µA typ - enables multi-year battery life in intermittent-sampling applications like portable instrumentation. |
| Input Bandwidth | 4MHz - allows accurate digitization of fast transients and supports undersampling techniques for RF-adjacent signals. |
| Reference Range | 3.8V to AVDD - permits flexible external reference selection (e.g., 4.096V for 250µV/LSB scaling) with 100µA DC load capability. |
| Supply Voltage Range | AVDD: 4.75–5.25V; DVDD: 2.7–5.25V - supports interoperability with 3.3V microcontrollers while maintaining analog precision at +5V. |
| SINAD | 81–84dB (1kHz) - corresponds to ~13.5 effective bits, confirming usable dynamic range for thermocouple or accelerometer inputs. |
Pinout & Package
MAX1062BEUB+ is housed in a 10-pin µMAX® package (3mm × 3mm, 0.5mm pitch), optimized for space-constrained PCB layouts in portable and industrial modules.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 REF | External reference voltage input | Sets full-scale analog input range (0 to VREF); requires 4.7µF bypass to AGND for noise immunity and stability. |
| 2 AVDD | Analog +5V supply | Must be decoupled to AGND with 0.1µF capacitor; powers internal T/H and SAR core. |
| 3, 9 AGND | Analog ground | Star-ground connection point; pins 3 and 9 must be tied together near AVDD bypass cap. |
| 4 CS | Active-low chip select | Drives shutdown (CS high → 0.1µA) or initiates conversion (falling edge); controls DOUT enable/disable timing. |
| 5 SCLK | Serial clock input | Drives conversion and clocks out 24-bit stream (8 zeros + 14 data + 2 sub-bits); max 4.8MHz, 40–60% duty cycle. |
| 6 DOUT | Serial data output | Three-state output (high-Z when CS high); transitions on SCLK falling edge; MSB-first format. |
| 7 DGND | Digital ground | Separate from AGND; connects to DVDD return path; minimizes digital noise coupling into analog section. |
| 8 DVDD | Digital supply voltage | Accepts 2.7–5.25V; powers digital interface logic; bypass to DGND with 0.1µF capacitor. |
| 10 AIN | Analog input | Unipolar input (0 to VREF); 40pF input capacitance; requires low-impedance source (<1kΩ) or buffer for full 14-bit accuracy. |
Key Features
| Feature | Design Value |
|---|---|
| AutoShutdown™ mode | Reduces total supply current to 0.1µA (typ) when CS is high - eliminates need for external power gating in sleep-cycle systems. |
| Adjustable logic-level interface | DVDD supports 2.7–5.25V operation - enables direct connection to 3.3V or 5V microcontrollers without level-shifting components. |
| Internal track-and-hold | 1.1µs acquisition time with 4MHz small-signal bandwidth - captures fast-changing sensor outputs without external sample-hold circuitry. |
| SPI/QSPI/MICROWIRE compatibility | Standard 3-wire serial interface (CS/SCLK/DOUT) with CPOL=0/CPHA=0 timing - simplifies firmware integration across ARM, PIC, and FPGA platforms. |
| Low-noise analog architecture | 80µVRMS input-referred noise and -99dB THD at 1kHz - preserves signal integrity in high-resolution temperature and vibration sensing. |
| Industrial temperature grade | -40°C to +85°C operating range - qualified for deployment in motor control cabinets, factory I/O modules, and outdoor instrumentation. |
Applications
| Motor Control Feedback | Industrial I/O Module |
|---|---|
|
Use Scenario: Digitizing current-sense amplifier outputs and position encoder signals in closed-loop servo drives. IC Role / Device Role / Timing Role: High-speed, high-linearity ADC capturing analog feedback at 100ksps for real-time PWM update cycles. Use Value: ±2 LSB INL ensures torque ripple remains below 0.02% FS, directly improving motion smoothness and reducing mechanical wear. |
Use Scenario: Converting 4–20mA loop signals and thermocouple voltages in programmable logic controller (PLC) analog input cards. IC Role / Device Role / Timing Role: Precision front-end ADC with external reference support and robust ESD-tolerant analog inputs. Use Value: 4.096V reference compatibility enables exact 16-bit scaling (250µV/LSB), eliminating software calibration for standard industrial sensors. |
| Portable Data Logger | Accelerometer Signal Chain |
|
Use Scenario: Battery-powered environmental monitoring units acquiring temperature, humidity, and pressure over extended field deployments. IC Role / Device Role / Timing Role: Ultra-low-power ADC with configurable sampling rates and hardware-triggered wake-up via CS. Use Value: 0.1µA shutdown current extends CR2032 coin-cell life beyond 5 years in 1-sample-per-minute logging mode. |
Use Scenario: Capturing high-bandwidth vibration signatures from MEMS accelerometers in predictive maintenance gateways. IC Role / Device Role / Timing Role: Wide-input-bandwidth ADC (4MHz) paired with low-noise op-amp buffer for anti-alias filtering. Use Value: 84dB SINAD at 1kHz preserves harmonic content up to 5th order, enabling accurate FFT-based fault detection in rotating machinery. |
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 |
|---|---|---|---|
| ADS8325IPW | 16-bit resolution, 100ksps max, SPI-only interface, no AutoShutdown, 2.7–5.5V DVDD | Higher resolution but lower speed; lacks integrated track-and-hold and ultra-low shutdown current | Select for DC-precision applications where 16-bit static accuracy outweighs 200ksps throughput and 0.1µA shutdown needs. |
| AD7940BRMZ | 14-bit, 100ksps, SPI-compatible, 2.7–5.25V supply, 350nA shutdown, no internal T/H | Lower power shutdown but slower; requires external track-and-hold for >100ksps operation | Choose when board space allows external T/H and system duty cycle favors sub-100nA shutdown over integrated simplicity. |
Compared with ADS8325IPW and AD7940BRMZ, the MAX1062BEUB+ uniquely combines 200ksps throughput, ±2 LSB INL, integrated 4MHz T/H, and 0.1µA shutdown in a 10-pin µMAX package - making it optimal for space- and power-constrained industrial data loggers and motor controllers.
Availability
MAX1062BEUB+ is available at Aetrix Electronics and suitable for motor control feedback loops, industrial I/O modules, and portable data-acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX1062BEUB+ 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, automotive, and communications markets.
The MAX1062BEUB+ belongs to Maxim's low-power precision ADC product line, engineered specifically for battery-operated instrumentation and industrial automation systems demanding high resolution, wide temperature operation, and minimal standby power.
FAQ
What is the guaranteed INL specification for the MAX1062BEUB+?
The MAX1062BEUB+ has a guaranteed integral nonlinearity (INL) of ±2 LSB over its full operating temperature range of –40°C to +85°C. This specification is confirmed in the official Maxim datasheet ordering table and applies specifically to the EUB-grade temperature variant, ensuring consistent linearity performance in industrial environments without recalibration.
Does the MAX1062BEUB+ require an external reference, and what are its voltage requirements?
Yes, the MAX1062BEUB+ requires an external reference applied to the REF pin. The reference voltage must be between 3.8V and AVDD (4.75V to 5.25V), with 4.096V being the typical choice to achieve exactly 250µV per LSB. The device draws up to 100µA from the reference during conversion, so the source must have ≤10Ω output impedance and low noise - a buffered reference is strongly recommended for 14-bit accuracy.
How does the MAX1062BEUB+ enter and exit shutdown mode?
The MAX1062BEUB+ enters shutdown mode when the CS pin is driven high, reducing total supply current to 0.1µA (typ). It exits shutdown and initiates a new conversion on the falling edge of CS. No additional command or delay is required - the device wakes up in 1.1µs and begins acquisition immediately after CS falls, enabling rapid burst-mode sampling in low-duty-cycle applications.
Can the MAX1062BEUB+ interface directly with a 3.3V microcontroller?
Yes, the MAX1062BEUB+ supports direct interfacing with 3.3V microcontrollers because its DVDD pin accepts 2.7V to 5.25V, and its digital inputs (CS, SCLK) recognize logic-high thresholds as low as 0.7×DVDD. With DVDD = 3.3V, VIH is only 2.31V - comfortably met by standard 3.3V GPIO outputs - and DOUT drives valid logic levels compatible with 3.3V receivers.
What is the purpose of the two sub-bits (S1 and S0) in the MAX1062BEUB+ serial output?
The MAX1062BEUB+ serial output includes two sub-bits (S1 and S0) after the 14 data bits to provide additional resolution for dithering or averaging applications. These bits represent fractional LSB values and are intended for use in oversampling or noise-shaping configurations - they are not part of the primary 14-bit code but allow enhanced effective resolution when post-processed with appropriate digital filtering.
MAX1062BEUB+ 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:
- Active
- 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:
- -
MAX1062BEUB+ FAQ
1.How can I place an order for MAX1062BEUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1062BEUB+ 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 MAX1062BEUB+ reliable?
The price and inventory of MAX1062BEUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1062BEUB+ is usually 5 days.
3.What payment methods are accepted for MAX1062BEUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1062BEUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1062BEUB+?
MAX1062BEUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1062BEUB+ 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 MAX1062BEUB+?
For technical support, including MAX1062BEUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1062BEUB+ requirements.
6.How does Aetrix verify that MAX1062BEUB+ is sourced from the original manufacturer or authorized distributors?
All MAX1062BEUB+ 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 MAX1062BEUB+ meets industry standards.
7.What is the process for return or replacement of MAX1062BEUB+?
All MAX1062BEUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1062BEUB+, 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 MAX1062BEUB+ part is unused and in its original packaging.
Return procedure for MAX1062BEUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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