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Analog Devices Inc./Maxim Integrated MAX1162BEUB+
- Part No.:
- MAX1162BEUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1162BEUB+.pdf
- Description:
- IC ADC 16BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:194
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Product details
Overview
The MAX1162BEUB+ from Maxim Integrated is a 16-bit successive-approximation analog-to-digital converter (ADC) with single +5V analog supply, SPI/QSPI/MICROWIRE-compatible serial interface, 200ksps maximum sampling rate, ±2.5 LSB INL over –40°C to +85°C, and 10µA shutdown current - used in precision industrial data acquisition where low power, high resolution, and compact µMAX packaging are critical.
For engineers reviewing the MAX1162BEUB+ datasheet, MAX1162BEUB+ pinout, MAX1162BEUB+ application, or MAX1162BEUB+ equivalent, this page delivers verified electrical specs, thermal-rated performance boundaries, real-world timing constraints (e.g., 1.1µs acquisition, 50ns CS pulse width), and validated alternative options for embedded measurement systems requiring guaranteed monotonicity and no missing codes.
Technical Context
The MAX1162BEUB+ implements a capacitive SAR architecture with internal track-and-hold, supporting unipolar input ranges up to VREF (3.8V to AVDD) and featuring auto-zeroed offset error of ≤1mV. Its digital interface operates at SCLK frequencies from 100kHz to 4.8MHz with CPOL=0/CPHA=0 configuration, delivering 24-clock conversions (8 leading zeros + 16 data bits, MSB-first).
It uses dual-supply operation: AVDD = +4.75V to +5.25V for analog circuitry and DVDD = +2.7V to +5.25V for digital logic, enabling direct interfacing with mixed-voltage microcontrollers. Power management includes AutoShutdown™, reducing total supply current to 0.1µA when CS is high, with 1.1µs wakeup time to full operation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 16-bit - guarantees monotonic transfer function and no missing codes across full temperature range. |
| Sampling Rate | 200ksps max - supports real-time capture of signals up to 10kHz full-linear bandwidth (SINAD > 86dB). |
| INL Error | ±2.5 LSB (–40°C to +85°C) - ensures end-point linearity within 0.038% of full scale for calibrated sensor interfaces. |
| Supply Current | 2.75mA at 200ksps (AVDD = DVDD = +5V) - enables battery-powered operation with <1.5mW analog power dissipation. |
| Shutdown Current | 10µA typical - allows ultra-low-power sleep modes in portable instrumentation without external enable circuitry. |
| Input Bandwidth | 4MHz small-signal - permits accurate digitization of fast transients and undersampling of RF carriers below Nyquist limit. |
| SPI Compatibility | CPOL=0, CPHA=0 - interoperates directly with standard microcontroller SPI peripherals without protocol translation. |
Pinout & Package
MAX1162BEUB+ is housed in a 10-pin µMAX® package (3mm × 3mm, 0.5mm pitch), RoHS-compliant and lead-free. Pin functions are electrically isolated between analog and digital domains, with separate AGND/DGND and AVDD/DVDD supplies to minimize noise coupling.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 REF | External reference voltage input | Defines full-scale input range (0 to VREF); requires 4.7µF bypass to AGND for stable 16-bit accuracy. |
| 2 AVDD | Analog +5V supply | Must be decoupled with 0.1µF capacitor to AGND; powers T/H and SAR core with PSRR >68dB. |
| 3,9 AGND | Analog ground return | Star-ground point for analog section; pins 3 and 9 must be connected externally to reduce ground bounce. |
| 4 CS | Active-low chip select | Falling edge initiates conversion; high state forces 0.1µA shutdown mode and tri-states DOUT. |
| 5 SCLK | Serial clock input | Drives conversion timing and data shift-out; supports 100kHz–4.8MHz with 40–60% duty cycle. |
| 6 DOUT | Serial data output | MSB-first, unipolar format; outputs eight leading zeros followed by 16 data bits on SCLK falling edge. |
| 7 DGND | Digital ground return | Isolated from AGND to prevent digital switching noise from modulating analog conversion. |
| 8 DVDD | Digital +2.7V to +5.25V supply | Enables direct interface with 3.3V or 5V logic; decoupling required to maintain timing integrity. |
| 10 AIN | Analog input | Unipolar, single-ended input with 40pF capacitance; accepts 0 to VREF range with internal T/H. |
Key Features
| Feature | Design Value |
|---|---|
| 16-bit no-missing-codes resolution | Guarantees monotonicity and deterministic code transitions across –40°C to +85°C operating range. |
| AutoShutdown™ with 1.1µs wakeup | Reduces system idle power without sacrificing responsiveness in burst-mode data logging applications. |
| 4MHz input tracking bandwidth | Supports accurate digitization of fast step inputs and enables undersampling of higher-frequency signals. |
| SPI/QSPI/MICROWIRE compatibility | Eliminates need for custom firmware drivers; works with standard MCU peripheral libraries out-of-the-box. |
| Separate AVDD/DVDD supplies | Allows coexistence with mixed-voltage SoCs and prevents digital noise from degrading SNR (89.5dB typical). |
Applications
| Motor Control Feedback | Industrial Thermocouple Interface |
|---|---|
Use Scenario: High-precision position and current sensing in servo drives using resolvers or shunt-based current monitors. IC Role / Device Role / Timing Role: ADC digitizes analog feedback signals at 200ksps with 16-bit resolution to feed closed-loop PID controllers. Use Value: ±2.5 LSB INL ensures sub-0.04% linearity error in torque command mapping, critical for smooth motion control. |
Use Scenario: Cold-junction compensation and millivolt-level thermocouple voltage measurement in PLC I/O modules. IC Role / Device Role / Timing Role: Converts low-amplitude, high-impedance thermocouple outputs with integrated track-and-hold. Use Value: 4MHz input bandwidth and 38µVRMS noise floor enable direct connection to thermocouple amplifiers without additional filtering. |
| Portable Data Logger | Accelerometer Signal Chain |
Use Scenario: Battery-powered environmental monitoring units capturing temperature, humidity, and pressure over extended periods. IC Role / Device Role / Timing Role: Low-power ADC sampling sensor outputs at adaptive rates (1ksps–200ksps) with AutoShutdown™ between reads. Use Value: 10µA shutdown current extends battery life to months in intermittent-read configurations. |
Use Scenario: Vibration analysis in predictive maintenance systems using MEMS accelerometers with wide dynamic range. IC Role / Device Role / Timing Role: Digitizes accelerometer outputs with 89.5dB SNR and 92dB SFDR to resolve harmonic content up to 10kHz. Use Value: 103dB spurious-free dynamic range captures weak vibration signatures buried in mechanical noise floor. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 16-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8860IDRCT | 16-bit, 1MSPS, single-supply +3V, SPI-only, ±1.5 LSB INL (–40°C to +85°C), 2.5mW active power | Higher speed but narrower input range (0 to VREF, VREF ≤ 3V); lacks dual-supply flexibility | Select for 3V systems needing faster throughput; avoid if +5V analog signal chain or adjustable logic levels required. |
| AD7682BRMZ | 16-bit, 250ksps, pseudo-differential input, +5V supply, SPI-compatible, ±2 LSB INL (–40°C to +85°C), 1.5mW at 100ksps | Requires external reference; no internal track-and-hold; differential architecture improves CMRR | Prefer for noise-immune industrial field measurements; not drop-in due to different pinout and acquisition timing. |
Compared with ADS8860IDRCT and AD7682BRMZ, the MAX1162BEUB+ uniquely combines +5V analog operation, adjustable digital logic levels (+2.7V to +5.25V), and 10µA shutdown in a 10-pin µMAX package - making it optimal for space-constrained, mixed-voltage, battery-aware designs where 200ksps suffices.
Availability
MAX1162BEUB+ is available at Aetrix Electronics and suitable for motor control feedback loops, industrial thermocouple interfaces, portable data loggers, and accelerometer signal chains requiring stable component supply across extended temperature ranges.
Supply support for MAX1162BEUB+ 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 communications applications.
The MAX1162BEUB+ belongs to Maxim's high-resolution, low-power SAR ADC product line, engineered specifically for space- and power-constrained measurement systems demanding guaranteed monotonicity and robust AC/DC performance across –40°C to +85°C.
FAQ
What is the operating temperature range of the MAX1162BEUB+?
The MAX1162BEUB+ is rated for continuous operation from –40°C to +85°C. Its DC accuracy specifications - including ±2.5 LSB integral nonlinearity and ≤1mV offset error - are guaranteed across this full industrial temperature range, making it suitable for deployment in harsh environments such as factory automation and outdoor instrumentation where thermal stability is critical. The MAX1162BEUB+ maintains these parameters without derating or external calibration.
Does the MAX1162BEUB+ require an external reference voltage?
Yes, the MAX1162BEUB+ requires an external reference voltage applied to the REF pin. It accepts VREF from +3.8V up to AVDD (max +5.25V), and the input voltage range at AIN is 0 to VREF. A 4.7µF low-ESR capacitor must bypass REF to AGND to ensure 16-bit accuracy; adding a parallel 0.1µF ceramic capacitor further suppresses high-frequency noise that would otherwise degrade the MAX1162BEUB+'s SINAD performance.
Can the MAX1162BEUB+ interface directly with a 3.3V microcontroller?
Yes, the MAX1162BEUB+ supports direct interfacing with 3.3V microcontrollers via its independent DVDD supply rail, which accepts +2.7V to +5.25V. When DVDD = +3.3V, digital inputs (CS, SCLK) recognize VIH ≥ 2.31V and VIL ≤ 0.99V, while DOUT drives VOH ≥ 3.05V and VOL ≤ 0.4V - fully compliant with 3.3V logic thresholds. This eliminates level-shifting circuitry in mixed-voltage systems using the MAX1162BEUB+.
What is the minimum acquisition time required before a valid conversion with the MAX1162BEUB+?
The MAX1162BEUB+ specifies a maximum acquisition time (tACQ) of 1.1µs under typical conditions. This is the time needed for the internal track-and-hold to settle after CS falls, assuming source impedance ≤1kΩ. If the driving source impedance exceeds 1kΩ, tACQ increases per the formula tACQ = 13(RS + 800Ω) × 35pF - meaning external buffering may be necessary to maintain 200ksps throughput without missing codes in the MAX1162BEUB+ conversion sequence.
How does the MAX1162BEUB+ handle power-down and wake-up cycles?
The MAX1162BEUB+ enters ultra-low-power shutdown mode when CS is driven high, drawing only 10µA typical. A falling edge on CS wakes the device and initiates conversion with a guaranteed 1.1µs wakeup time to full functionality - no external reset or initialization sequence is required. This behavior enables rapid burst-mode sampling in battery-powered applications, where the MAX1162BEUB+ spends most time in shutdown and activates only for precise measurement windows.
MAX1162BEUB+ 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:
- 16
- 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:
- -
MAX1162BEUB+ FAQ
1.How can I place an order for MAX1162BEUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1162BEUB+ 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 MAX1162BEUB+ reliable?
The price and inventory of MAX1162BEUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1162BEUB+ is usually 5 days.
3.What payment methods are accepted for MAX1162BEUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1162BEUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1162BEUB+?
MAX1162BEUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1162BEUB+ 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 MAX1162BEUB+?
For technical support, including MAX1162BEUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1162BEUB+ requirements.
6.How does Aetrix verify that MAX1162BEUB+ is sourced from the original manufacturer or authorized distributors?
All MAX1162BEUB+ 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 MAX1162BEUB+ meets industry standards.
7.What is the process for return or replacement of MAX1162BEUB+?
All MAX1162BEUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1162BEUB+, 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 MAX1162BEUB+ part is unused and in its original packaging.
Return procedure for MAX1162BEUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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