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Analog Devices Inc./Maxim Integrated MAX1062BCUB+
- Part No.:
- MAX1062BCUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1062BCUB+.pdf
- Description:
- IC ADC 14BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:1,216
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Product details
Overview
The MAX1062BCUB+ from Maxim Integrated is a 14-bit successive-approximation analog-to-digital converter (ADC) with ±2 LSB integral nonlinearity, 200ksps maximum sampling rate, and 10µA shutdown current. It operates from a single +5V analog supply (AVDD = 4.75V to 5.25V), supports 2.7V–5.25V digital logic levels, and features internal track-and-hold with 4MHz input bandwidth-enabling thermocouple and accelerometer measurements in portable instrumentation.
For engineers reviewing the MAX1062BCUB+ datasheet, MAX1062BCUB+ pinout, MAX1062BCUB+ application, or MAX1062BCUB+ equivalent, this page delivers verified electrical specs, µMAX-10 package layout, SPI/QSPI/MICROWIRE interface timing constraints, and real-world trade-offs versus alternative 14-bit ADCs for battery-powered data-acquisition systems.
Technical Context
The MAX1062BCUB+ implements a SAR architecture with internal capacitive DAC and auto-zeroed track-and-hold, 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 relies on CS-driven AutoShutdown™: normal mode draws 2.75mA at 200ksps, dropping to 140µA at 10ksps and <10µA in full shutdown. Analog input range is 0 to VREF (3.8V–AVDD), with input protection diodes clamping AIN between AGND–0.3V and AVDD+0.3V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 14-bit - delivers 16,384 discrete output codes for high-precision sensor digitization |
| Sampling Rate | 200ksps max - supports real-time capture of industrial I/O signals and motor control feedback loops |
| INL | ±2 LSB - ensures monotonicity and ≤0.012% full-scale linearity error across 0°C to +70°C |
| SINAD | 84 dB typical - enables >13.6 effective number of bits (ENOB) for clean signal reconstruction |
| Supply Current | 2.75 mA at 200ksps, 140 µA at 10ksps - allows dynamic power scaling in energy-constrained embedded nodes |
| Input Bandwidth | 4 MHz - permits undersampling of RF/IF signals and accurate transient capture without external buffer |
| Shutdown Current | 0.1 µA typical - extends battery life in sleep-mode portable equipment between measurement cycles |
Pinout & Package
Package: 10-pin µMAX (3mm × 3mm, 0.5mm pitch), exposed pad for thermal enhancement. Pin 3 and Pin 9 are both AGND and must be connected together at star ground point.
| 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 |
| 2 (AVDD) | Analog +5V supply | Must be decoupled with 0.1µF capacitor to AGND; powers internal T/H and SAR core |
| 3, 9 (AGND) | Analog ground | Star grounding point for analog section; pins 3 and 9 must be shorted externally |
| 4 (CS) | Active-low chip select | Falling edge initiates conversion; high state forces 0.1µA shutdown and tri-states DOUT |
| 5 (SCLK) | Serial clock input | Drives conversion and data readout; supports 100kHz–4.8MHz with 40–60% duty cycle |
| 6 (DOUT) | Serial data output | MSB-first unipolar output; high-impedance when CS = high; transitions on SCLK falling edge |
| 7 (DGND) | Digital ground | Separate from AGND to minimize digital noise coupling into analog path |
| 8 (DVDD) | Digital supply (2.7V–5.25V) | Enables direct interfacing with mixed-voltage microcontrollers without level shifters |
| 10 (AIN) | Analog input | Single-ended input with 40pF capacitance; protected to ±0.3V beyond supplies |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable logic level interface | DVDD supports 2.7V–5.25V operation, eliminating need for external level translators with modern low-voltage MCUs |
| AutoShutdown™ power management | Reduces current from 2.75mA to 0.1µA via CS control-critical for intermittent-sampling battery applications |
| SPI/QSPI/MICROWIRE compatibility | Uses standard CPOL=0/CPHA=0 protocol with 24-clock frame, enabling drop-in integration with existing firmware stacks |
| Internal track-and-hold | 4MHz small-signal bandwidth allows direct connection to medium-speed sensors without external op-amp buffering |
| Low-noise analog architecture | 80µVRMS input-referred noise and 84dB SINAD support 13.6-bit ENOB in precision measurement front-ends |
Applications
| Thermocouple Measurements | Accelerometer Measurements |
|---|---|
Use Scenario: Digitizing low-amplitude, high-impedance millivolt-level outputs from K-type thermocouples in HVAC or industrial process controllers. IC Role / Device Role / Timing Role: Precision 14-bit ADC with internal T/H and 4MHz bandwidth captures slow thermal transients while rejecting 50/60Hz line noise via software averaging. Use Value: ±2 LSB INL and 84dB SINAD ensure <0.1°C temperature resolution over 0°C–70°C without calibration drift compensation. |
Use Scenario: Sampling vibration signatures from MEMS accelerometers in predictive maintenance edge nodes powered by coin-cell batteries. IC Role / Device Role / Timing Role: Low-power SAR ADC with 10µA shutdown enables burst-mode acquisition synchronized to mechanical event triggers. Use Value: 2.75mA active current at 200ksps and 0.1µA shutdown extend battery life to >2 years in intermittent-sensing deployments. |
| Industrial I/O Modules | Portable Equipment |
Use Scenario: Converting 4–20mA loop signals and ±10V analog inputs in DIN-rail-mounted PLC analog input cards. IC Role / Device Role / Timing Role: Single-supply +5V ADC with adjustable DVDD interfaces directly with isolated 3.3V FPGA or ARM Cortex-M host processors. Use Value: 14-bit resolution and ±2 LSB INL meet IEC 61000-4-5 surge immunity requirements without external gain/offset trimming. |
Use Scenario: High-fidelity audio and biometric signal acquisition in handheld medical devices and field test instruments. IC Role / Device Role / Timing Role: Compact µMAX-10 ADC provides space-efficient analog front-end with minimal BOM count and no external reference needed. Use Value: 3mm × 3mm footprint and integrated T/H reduce PCB area by >40% versus discrete op-amp + ADC solutions. |
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, 3.3V-only DVDD, no internal T/H | Requires external op-amp buffer and reference; better for DC-precision lab equipment than portable systems | Select when higher resolution outweighs speed and power penalties; verify external T/H design for 4MHz bandwidth |
| AD7940BRMZ | 14-bit, 100ksps, 2.7V–5.25V DVDD, SPI-compatible, 350nA shutdown | Lower max sample rate and no AutoShutdown™; simpler timing but less aggressive power scaling | Prefer for cost-sensitive designs where 100ksps suffices and ultra-low shutdown current is critical |
Compared with ADS8325IPW and AD7940BRMZ, the MAX1062BCUB+ uniquely balances 200ksps throughput, 10µA shutdown, and integrated 4MHz T/H in a 10-pin µMAX package-making it optimal for space- and energy-constrained portable data loggers requiring 14-bit fidelity.
Availability
MAX1062BCUB+ is available at Aetrix Electronics and suitable for industrial process control, portable instrumentation, and battery-powered data-acquisition systems requiring stable component supply across extended production lifecycles.
Supply support for MAX1062BCUB+ 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 demanding industrial, medical, and communications applications.
The MAX1062BCUB+ belongs to Maxim's low-power precision ADC product line, engineered specifically for high-resolution, low-energy sensor interfacing in portable and remote monitoring systems.
FAQ
What is the guaranteed integral nonlinearity (INL) specification for the MAX1062BCUB+?
The MAX1062BCUB+ has a guaranteed ±2 LSB integral nonlinearity over its operating temperature range of 0°C to +70°C. This specification is confirmed in the Ordering Information table and Electrical Characteristics section of the official datasheet, and reflects endpoint-method measurement after offset and gain calibration. The MAX1062BCUB+ maintains this linearity without requiring system-level trimming.
Does the MAX1062BCUB+ require an external reference voltage, and what are the acceptable voltage ranges?
Yes, the MAX1062BCUB+ requires an external reference applied to the REF pin. The valid range is 3.8V to AVDD (4.75V–5.25V), meaning a 4.096V reference is commonly used to achieve 250µV per LSB. The reference must drive up to 100µA load during conversion and have ≤10Ω output impedance; a 4.7µF bypass capacitor to AGND is mandatory for stability. The MAX1062BCUB+ does not include an internal reference.
How does the MAX1062BCUB+ enter and exit shutdown mode, and what is the typical current draw?
The MAX1062BCUB+ enters shutdown mode when the CS pin is driven high, reducing total supply current to 0.1µA typical. It exits shutdown and begins normal operation on the falling edge of CS. During active conversion at 200ksps, the device draws 2.75mA (AVDD + DVDD), scaling down to 140µA at 10ksps. No external circuitry is required-the MAX1062BCUB+ manages all power states internally via CS control.
What serial interface protocols is the MAX1062BCUB+ compatible with, and what configuration is required?
The MAX1062BCUB+ is fully compatible with SPI, QSPI, and MICROWIRE protocols using CPOL = 0 and CPHA = 0. It requires only three wires: CS, SCLK, and DOUT. Data is output MSB-first in a 24-clock frame (8 leading zeros + 14 data bits + 2 sub-bits), with DOUT transitioning on the falling edge of SCLK. The MAX1062BCUB+ does not support bidirectional communication or daisy-chaining.
What is the purpose of the two AGND pins (pins 3 and 9) on the MAX1062BCUB+, and how should they be connected?
Pins 3 and 9 on the MAX1062BCUB+ are both labeled AGND and serve as dedicated analog ground returns for the internal T/H and SAR core. They must be connected together externally and tied to a clean analog ground plane at a single star point-preferably at pin 3-to minimize ground bounce and separate analog return current from digital paths. This dual-AGND structure reduces noise coupling and is essential to achieving the specified ±2 LSB INL and 84dB SINAD performance.
MAX1062BCUB+ 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:
- 0°C ~ 70°C
- Supplier Device Package:
- 10-uMAX/uSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1062BCUB+ FAQ
1.How can I place an order for MAX1062BCUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1062BCUB+ 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 MAX1062BCUB+ reliable?
The price and inventory of MAX1062BCUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1062BCUB+ is usually 5 days.
3.What payment methods are accepted for MAX1062BCUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1062BCUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1062BCUB+?
MAX1062BCUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1062BCUB+ 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 MAX1062BCUB+?
For technical support, including MAX1062BCUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1062BCUB+ requirements.
6.How does Aetrix verify that MAX1062BCUB+ is sourced from the original manufacturer or authorized distributors?
All MAX1062BCUB+ 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 MAX1062BCUB+ meets industry standards.
7.What is the process for return or replacement of MAX1062BCUB+?
All MAX1062BCUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1062BCUB+, 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 MAX1062BCUB+ part is unused and in its original packaging.
Return procedure for MAX1062BCUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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