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Analog Devices Inc./Maxim Integrated MAX1062BEUB+T
- Part No.:
- MAX1062BEUB+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1062BEUB+T.pdf
- Description:
- IC ADC 14BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,693
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Product details
Overview
MAX1062BEUB+T from Maxim Integrated is a 14-bit successive-approximation analog-to-digital converter (ADC) with ±2 LSB integral nonlinearity, 200 ksps maximum sampling rate, 4 MHz input bandwidth, SPI/QSPI/MICROWIRE-compatible serial interface, and 10 µA shutdown current. It operates from a single +5V analog supply and supports digital logic levels from 2.7V to 5.25V, making it suitable for portable data-acquisition systems requiring high resolution and ultra-low power in space-constrained industrial sensor nodes.
For engineers reviewing the MAX1062BEUB+T datasheet, MAX1062BEUB+T pinout, MAX1062BEUB+T application, or MAX1062BEUB+T equivalent, this page delivers verified technical context, exact pin functions, real-world use cases in thermocouple and accelerometer measurement, and validated alternative parts with documented INL, power, and temperature-range differences.
Technical Context
The MAX1062BEUB+T implements a SAR architecture with internal track-and-hold, enabling full 14-bit accuracy at 200 ksps while maintaining 81 dB SINAD and –99 dB THD at 1 kHz. Its acquisition time is fixed at 1.1 µs, and conversion is initiated by CS falling edge with data output synchronized to SCLK falling edges.
It features dual-supply operation (AVDD = 4.75–5.25 V, DVDD = 2.7–5.25 V), separate analog/digital grounds (AGND/DGND), and an external reference input (REF) supporting 3.8 V to AVDD - all managed via a 3-wire SPI-compatible interface (CS, SCLK, DOUT) without requiring additional control lines.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete output codes for high-precision sensor digitization |
| Sampling Rate | 200 ksps max - supports real-time capture of fast transients in motor control feedback loops |
| INL | ±2 LSB - ensures monotonicity and ≤0.012% full-scale linearity error across –40°C to +85°C |
| Shutdown Current | 10 µA typical - enables battery life extension in sleep-mode data loggers |
| Input Bandwidth | 4 MHz - allows undersampling of RF or vibration signals above Nyquist frequency |
| SPI Clock Frequency | Up to 4.8 MHz - permits sub-µs data readout compatible with mid-speed microcontrollers |
| Reference Range | 3.8 V to AVDD - supports flexible scaling with precision references like MAX6126 or REF5040 |
Pinout & Package
MAX1062BEUB+T is housed in a 10-pin µMAX package (3 mm × 3 mm, 0.8 mm height), featuring exposed pad for thermal enhancement and optimized for high-density PCB layouts in portable instrumentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (REF) | External reference voltage input | Sets full-scale analog input range (0 to VREF); requires 4.7 µF bypass to AGND for noise immunity |
| 2 (AVDD) | Analog +5V supply | Power source for internal SAR and T/H; must be decoupled with 0.1 µF capacitor to AGND |
| 3, 9 (AGND) | Analog ground | Star grounding point for analog section; pins 3 and 9 must be tied together near device |
| 4 (CS) | Active-low chip select | Falling edge initiates conversion; high state forces 10 µA shutdown and tri-states DOUT |
| 5 (SCLK) | Serial clock input | Drives conversion timing and clocks out 24-bit frame (8 zeros + 14 data + 2 sub-bits) |
| 6 (DOUT) | Serial data output | MSB-first unipolar output; high-impedance when CS = high; transitions on SCLK falling edge |
| 7 (DGND) | Digital ground | Return path for DVDD; must be isolated from AGND except at single-point system ground |
| 8 (DVDD) | Digital supply (2.7–5.25 V) | Supplies interface logic; enables direct connection to 3.3 V or 5 V microcontrollers |
| 10 (AIN) | Analog input | Single-ended input referenced to AGND; 40 pF input capacitance requires low-Z drive or buffer |
Key Features
| Feature | Design Value |
|---|---|
| AutoShutdown™ mode | Reduces total supply current to 10 µA (typ) when CS = high - eliminates need for external power gating |
| Adjustable digital I/O level | Supports 2.7–5.25 V DVDD - enables seamless interfacing with both 3.3 V and 5 V host processors |
| Internal track-and-hold | 1.1 µs acquisition time - removes requirement for external sample-hold amplifier in most DC/low-frequency applications |
| Small 10-pin µMAX package | 3 mm × 3 mm footprint - saves >60% board area vs. SOIC-16, critical for handheld test equipment |
| SPI/QSPI/MICROWIRE compatibility | CPOL = 0, CPHA = 0 timing - allows drop-in integration with existing firmware stacks for PIC, ARM, and MSP430 MCUs |
Applications
| Thermocouple Measurement | Accelerometer Signal Conditioning |
|---|---|
Use Scenario: Digitizing low-level mV-range thermocouple outputs in industrial ovens with ambient temperature ranging from –40°C to +85°C. IC Role / Device Role / Timing Role: Precision 14-bit ADC capturing cold-junction-compensated analog voltage after signal conditioning. Use Value: ±2 LSB INL and 81 dB SINAD ensure <±0.5°C measurement accuracy over full industrial temperature range without calibration drift compensation. |
Use Scenario: Sampling high-bandwidth vibration signals from MEMS accelerometers in predictive maintenance sensors mounted on rotating machinery. IC Role / Device Role / Timing Role: High-speed data acquisition front-end with 4 MHz input bandwidth enabling alias-free capture up to 2 MHz using undersampling. Use Value: 200 ksps sampling and 1.1 µs acquisition time support real-time FFT analysis of bearing fault frequencies without external buffering. |
| Industrial I/O Module | Portable Battery-Powered Data Logger |
Use Scenario: Integrating into DIN-rail-mounted PLC analog input modules requiring 16-channel scalability and EMC robustness. IC Role / Device Role / Timing Role: Channel-isolated ADC per input channel, driven by shared SPI bus with daisy-chained CS control. Use Value: Dual-supply operation (AVDD/DVDD) and separate AGND/DGND minimize digital noise coupling into analog measurements under noisy factory conditions. |
Use Scenario: Long-duration environmental monitoring in remote field deployments powered by coin-cell or Li-SOCl₂ batteries. IC Role / Device Role / Timing Role: Low-power ADC core that spends >99% of time in 10 µA shutdown, waking only for scheduled 10 ksps bursts. Use Value: 140 µA active current at 10 ksps and 10 µA shutdown enable multi-year battery life without compromising 14-bit resolution. |
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, ±1 LSB INL, 100 ksps max, 3.3 V only DVDD, no AutoShutdown | Higher resolution but lower speed and no ultra-low-power shutdown - unsuitable for battery burst-mode logging | Select for precision DC measurements where speed and power are secondary to resolution |
| AD7940BRMZ | 14-bit, ±1 LSB INL, 100 ksps, 2.7–5.25 V DVDD, 35 µA shutdown, SPI-only (no QSPI/MICROWIRE) | Lower INL but slower speed and higher shutdown current - trades off accuracy for legacy SPI compatibility | Select when strict ±1 LSB linearity is required and 100 ksps suffices for the signal bandwidth |
Compared with ADS8325IPW and AD7940BRMZ, MAX1062BEUB+T uniquely balances 200 ksps throughput, ±2 LSB INL, 10 µA shutdown, and multi-standard serial interface - making it optimal for space- and power-constrained industrial data acquisition where speed, accuracy, and flexibility must coexist.
Availability
MAX1062BEUB+T is available at Aetrix Electronics and suitable for industrial process control, thermocouple measurement, and portable data-acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX1062BEUB+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, with emphasis on integration, power efficiency, and reliability.
The MAX1062 family was engineered specifically for low-power, high-resolution data acquisition in space-constrained environments - delivering 14-bit accuracy with sub-10 µA shutdown and µMAX packaging for portable instrumentation and distributed sensor networks.
FAQ
What is the operating temperature range of the MAX1062BEUB+T?
The MAX1062BEUB+T is rated for –40°C to +85°C, matching the E-grade industrial temperature specification. This range is confirmed in the Ordering Information table and supported by tested electrical characteristics across the full span, including INL, SNR, and supply current behavior.
Does the MAX1062BEUB+T require an external reference voltage?
Yes, the MAX1062BEUB+T requires an external reference connected to the REF pin. The reference voltage must be between 3.8 V and AVDD (4.75–5.25 V), and must be bypassed with a 4.7 µF capacitor to AGND. The device does not include an internal reference.
What is the meaning of the 'B' in MAX1062BEUB+T?
The 'B' in MAX1062BEUB+T denotes ±2 LSB integral nonlinearity (INL) performance grade, as specified in the Ordering Information table. This distinguishes it from the 'A' grade (±1 LSB) and 'C' grade (±3 LSB) variants within the same package and temperature range.
Can the MAX1062BEUB+T interface directly with a 3.3 V microcontroller?
Yes, the MAX1062BEUB+T supports DVDD from 2.7 V to 5.25 V, so it can operate with a 3.3 V digital supply. Its digital inputs (CS, SCLK) accept 0.7×DVDD high-level thresholds, and DOUT drives to DVDD – 0.25 V high, ensuring reliable 3.3 V logic compatibility without level shifters.
How does the AutoShutdown™ feature work on the MAX1062BEUB+T?
AutoShutdown™ is activated by driving the CS pin high, reducing total supply current to 10 µA (typ). During shutdown, DOUT enters high-impedance state. A falling edge on CS exits shutdown, initiates acquisition, and begins conversion - all without external control logic or reset sequencing.
MAX1062BEUB+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tape & Reel (TR)
- 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+T FAQ
1.How can I place an order for MAX1062BEUB+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1062BEUB+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 MAX1062BEUB+T reliable?
The price and inventory of MAX1062BEUB+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1062BEUB+T is usually 5 days.
3.What payment methods are accepted for MAX1062BEUB+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1062BEUB+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1062BEUB+T?
MAX1062BEUB+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1062BEUB+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 MAX1062BEUB+T?
For technical support, including MAX1062BEUB+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1062BEUB+T requirements.
6.How does Aetrix verify that MAX1062BEUB+T is sourced from the original manufacturer or authorized distributors?
All MAX1062BEUB+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 MAX1062BEUB+T meets industry standards.
7.What is the process for return or replacement of MAX1062BEUB+T?
All MAX1062BEUB+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX1062BEUB+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 MAX1062BEUB+T part is unused and in its original packaging.
Return procedure for MAX1062BEUB+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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