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Analog Devices Inc./Maxim Integrated MAX11110AUT+T
- Part No.:
- MAX11110AUT+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- SOT-23-6
- Datasheet:
-
MAX11110AUT+T.pdf
- Description:
- IC ADC 10BIT SAR SOT23-6
- Quantity:
- Payment:
- Shipping:
Inventory:1,849
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Product details
Overview
MAX11110AUT+T from Maxim Integrated is a 10-bit, 2Msps successive-approximation analog-to-digital converter (ADC) with dual single-ended analog inputs, 2.2V–3.6V supply operation, and SPI-/QSPI-/MICROWIRE-compatible 3-wire serial interface. It features 73dB SNR, 1.3µA power-down current, and internal reference generation - optimized for portable data acquisition in battery-powered medical and industrial sensor systems.
For engineers reviewing the MAX11110AUT+T datasheet, MAX11110AUT+T pinout, MAX11110AUT+T application, or MAX11110AUT+T equivalent, this device delivers verified 2Msps throughput with no pipeline delay, low-noise performance at 2.6mA full-power current, and direct interfacing to 1.5V–3.6V digital logic without level-shifting.
Technical Context
The MAX11110AUT+T implements a high-dynamic-range sample-and-hold stage followed by a SAR ADC core with integrated 2:1 analog multiplexer for dual-channel input selection. Its conversion architecture eliminates pipeline latency and supports deterministic timing with aperture jitter of 15ps and acquisition time of 52ns.
It uses an internal reference derived from VDD (no external REF pin), supports variable I/O voltage (VOVDD = 1.5V–3.6V), and integrates dedicated digital I/O supply (OVDD) for noise isolation between analog and digital domains - enabling robust operation in mixed-signal embedded systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - provides 1024 discrete output codes for medium-precision sensor digitization |
| Throughput Rate | 2Msps - enables real-time sampling of signals up to 1MHz Nyquist bandwidth |
| SNR | 73dB typical - supports >11.8 effective number of bits (ENOB) for clean signal capture |
| Supply Current (Full Power) | 2.6mA at 2Msps - consumes only 3.7mW from 2.2V–3.6V supply, ideal for energy-constrained designs |
| Power-Down Current | 1.3µA - reduces system standby power by >2000×, critical for battery longevity |
| Analog Input Range | 0V to VDD - simplifies front-end design by eliminating external level-shifting or biasing circuits |
| Operating Temperature | –40°C to +125°C - qualified for automotive under-hood and industrial control environments |
Pinout & Package
The MAX11110AUT+T is housed in a 6-pin SOT23 package (2.8mm × 2.9mm, 0.95mm height), optimized for space-constrained PCB layouts in portable instrumentation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD | Analog/Digital Supply | Primary 2.2V–3.6V power input; powers ADC core, reference generator, and digital interface |
| GND | Analog Ground | Common return for analog circuitry; must be separated from digital ground for optimal SNR |
| AIN1 / AIN2 | Analog Inputs | Dual single-ended inputs routed via internal 2:1 MUX; support 0V–VDD full-scale range |
| SCLK | Serial Clock Input | Accepts 32MHz max clock (50% duty); controls bit-transfer timing for SPI-compatible readout |
| CS | Chip Select Input | Active-low enable; initiates conversion on falling edge and enables DOUT three-state output |
| DOUT | Serial Data Output | 3-wire SPI master-out-slave-in output; high-impedance when CS is high |
Key Features
| Feature | Design Value |
|---|---|
| No pipeline delay | True SAR architecture ensures immediate data availability after conversion - essential for closed-loop control timing |
| Internal reference generation | Eliminates need for external REF pin or precision voltage source, reducing BOM count and layout area |
| Variable I/O voltage (1.5V–3.6V) | Allows direct connection to 1.8V or 2.5V microcontrollers without level translators, lowering system cost |
| Low 15ps aperture jitter | Preserves signal integrity for high-frequency inputs; enables accurate spectral analysis up to 40MHz bandwidth |
| –40°C to +125°C operation | Validated across full industrial/automotive temperature range without derating - no thermal compensation required |
Applications
| Portable Data Logging | Medical Instrumentation |
|---|---|
Use Scenario: Battery-powered environmental sensor node recording temperature, humidity, and pressure at 1ksps. IC Role / Device Role / Timing Role: Primary ADC digitizing conditioned analog sensor outputs with minimal power overhead. Use Value: 2.6mA active current and 1.3µA shutdown current extend 2xAA battery life to >2 years in duty-cycled operation. |
Use Scenario: Handheld ECG monitor acquiring lead-II biopotential signals with 10-bit resolution. IC Role / Device Role / Timing Role: High-SNR front-end ADC capturing low-amplitude cardiac waveforms with 73dB SNR. Use Value: 73dB SNR and 2.5MHz full-linear bandwidth preserve QRS complex fidelity without oversampling. |
| Battery-Operated Systems | Industrial Sensor Interface |
Use Scenario: Wireless vibration sensor node using MEMS accelerometer and BLE MCU. IC Role / Device Role / Timing Role: Low-latency ADC feeding time-domain waveform data to host processor for FFT analysis. Use Value: 391ns conversion time and deterministic timing enable precise timestamp alignment across multi-node deployments. |
Use Scenario: DIN-rail mounted PLC analog input module conditioning 4–20mA loop signals. IC Role / Device Role / Timing Role: Dual-channel ADC sampling two independent process variables simultaneously. Use Value: Internal 2:1 MUX and channel-to-channel gain matching <0.05LSB ensure consistent measurement accuracy across channels. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 10-bit SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX11105AUT+T | Same 10-bit, 2Msps, dual-channel architecture but uses external reference (REF pin required) | Requires external precision reference; better for systems needing stable, temperature-invariant scaling | Select when absolute accuracy over temperature >±1 LSB is required and board space allows REF circuitry |
| ADS7822U | 12-bit, 250ksps, single-channel, 2.7V–5.25V supply; no internal reference; SPI interface | Lower speed, higher resolution, wider supply range; lacks dual-input MUX and low-voltage I/O flexibility | Choose for legacy 3.3V/5V systems where 12-bit resolution outweighs speed and power constraints |
Compared with MAX11105AUT+T and ADS7822U, the MAX11110AUT+T uniquely balances 2Msps speed, 10-bit resolution, internal reference, and 1.5V–3.6V I/O compatibility - making it optimal for compact, battery-efficient dual-sensor nodes where external reference complexity must be avoided.
Availability
MAX11110AUT+T is available at Aetrix Electronics and suitable for portable data logging, medical instrumentation, and battery-operated systems requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant packaging.
Supply support for MAX11110AUT+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, mixed-signal, and power management ICs for demanding industrial, automotive, and medical applications.
The MAX111xx family targets ultra-low-power, high-speed data acquisition in space- and energy-constrained systems - emphasizing integration, small footprint, and guaranteed performance across extended temperature ranges.
FAQ
What is the maximum sampling rate supported by the MAX11110AUT+T?
The MAX11110AUT+T supports a maximum throughput rate of 2Msps, achieved with a 32MHz SCLK and 50% duty cycle. Its 391ns conversion time and 52ns acquisition window ensure reliable operation at this rate across the full –40°C to +125°C temperature range. The MAX11110AUT+T does not support 3Msps operation - that capability belongs to the pin-compatible MAX11117 variant.
Does the MAX11110AUT+T require an external reference voltage?
No, the MAX11110AUT+T generates its reference internally from VDD and has no REF pin. This eliminates external reference components and associated layout sensitivity. The MAX11110AUT+T's full-scale range is 0V to VDD, and its line rejection is specified at 0.17 LSB/V - confirming internal reference stability across supply variations.
Which digital interfaces are compatible with the MAX11110AUT+T?
The MAX11110AUT+T features a 3-wire SPI-compatible serial interface supporting direct connection to SPI, QSPI, and MICROWIRE controllers without external logic. Its CS, SCLK, and DOUT pins meet standard timing requirements (t4 = 15ns, t7 = 5ns), and VOVDD supports 1.5V–3.6V I/O levels - enabling seamless interfacing with modern low-voltage MCUs.
What is the power consumption of the MAX11110AUT+T in shutdown mode?
The MAX11110AUT+T draws only 1.3µA in power-down mode, verified across the full operating temperature range. This ultra-low leakage current is critical for battery-powered applications where the ADC spends most time idle - enabling multi-year operation on coin-cell or AA batteries when paired with appropriate duty cycling.
Is the MAX11110AUT+T pin-compatible with other devices in the MAX111xx family?
The MAX11110AUT+T uses a 6-pin SOT23 package, while dual-channel variants like MAX11102/MAX11103 use 10-pin TDFN or µMAX packages - so it is not pin-compatible with those parts. However, within the 6-pin SOT23 group (e.g., MAX11115/MAX11116), pinouts match but resolution and speed differ; MAX11110AUT+T is functionally aligned with MAX11115 (both 10-bit, 2Msps) but differs in internal vs. external reference architecture.
MAX11110AUT+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- SOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Number of Bits:
- 10
- Sampling Rate (Per Second):
- 2M
- 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:
- Supply
- Voltage - Supply, Analog:
- 2.2V ~ 3.6V
- Voltage - Supply, Digital:
- 2.2V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- SOT-6
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX11110AUT+T FAQ
1.How can I place an order for MAX11110AUT+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX11110AUT+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 MAX11110AUT+T reliable?
The price and inventory of MAX11110AUT+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX11110AUT+T is usually 5 days.
3.What payment methods are accepted for MAX11110AUT+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX11110AUT+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX11110AUT+T?
MAX11110AUT+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX11110AUT+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 MAX11110AUT+T?
For technical support, including MAX11110AUT+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX11110AUT+T requirements.
6.How does Aetrix verify that MAX11110AUT+T is sourced from the original manufacturer or authorized distributors?
All MAX11110AUT+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 MAX11110AUT+T meets industry standards.
7.What is the process for return or replacement of MAX11110AUT+T?
All MAX11110AUT+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX11110AUT+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 MAX11110AUT+T part is unused and in its original packaging.
Return procedure for MAX11110AUT+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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