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Analog Devices Inc./Maxim Integrated MAX11410AATI+
- Part No.:
- MAX11410AATI+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 28-WFQFN Exposed Pad
- Datasheet:
-
MAX11410AATI+.pdf
- Description:
- IC ADC 24BIT SIGMA-DELTA 28TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:153
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Product details
Overview
MAX11410AATI+ from Maxim Integrated is a 24-bit, 1.9ksps delta-sigma ADC with integrated PGA (gains 1x–128x), 10-channel analog multiplexer, programmable sensor excitation current sources (0.5µA–1600µA), and on-chip FIR digital filter delivering >90dB simultaneous 50Hz/60Hz rejection. It operates from 2.7V–3.6V AVDD and supports -40°C to +125°C, targeting precision resistive bridge and RTD temperature measurement in portable industrial sensors.
For engineers reviewing the MAX11410AATI+ datasheet, MAX11410AATI+ pinout, MAX11410AATI+ application, or MAX11410AATI+ equivalent, this page delivers verified technical context, real-world design meaning for key specs, validated pin functions, application-specific use value, and two confirmed alternative parts with documented functional and application differences.
Technical Context
The MAX11410AATI+ employs a third-order delta-sigma modulator with configurable FIR and sinc digital filters, enabling single-cycle settling in 16ms while rejecting 50Hz/60Hz line noise simultaneously. Its input path supports buffered, bypass, and PGA modes - each with distinct common-mode voltage constraints tied to gain setting and buffer state.
Calibration is supported via on-demand self-calibration (offset/gain per PGA gain step) and system-level offset/gain calibration using external references. The integrated excitation current sources (0.5µA, 1µA, 10µA, 10µA–1600µA) and burnout detection circuitry enable robust 2-/3-/4-wire RTD and thermocouple measurement without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 24-bit output with no missing codes; enables sub-µV resolution in high-precision sensor front-ends. |
| Data Rate | 1.9ksps maximum; balances speed and noise performance for static or slow-varying sensor signals. |
| PGA Gains | 1x, 2x, 4x, 8x, 16x, 32x, 64x, 128x; optimizes dynamic range across varying sensor output amplitudes. |
| Power Line Rejection | >90dB simultaneous 50Hz & 60Hz rejection; eliminates need for external notch filtering in AC-mains environments. |
| INL | 3ppm typical; ensures high accuracy in closed-loop control and metrology-grade measurement. |
| Supply Range | AVDD: 2.7V–3.6V; VDDIO: 1.7V–3.6V; supports battery-powered and mixed-voltage systems. |
| Sleep Current | <1µA; extends battery life in intermittent-sampling portable instruments. |
Pinout & Package
MAX11410AATI+ is housed in a lead-free, RoHS-compliant 28-pin 4mm × 4mm TQFN package with exposed thermal pad (EP). Pinout is validated per Maxim's official datasheet Rev 3 (10/2019), Pin Configuration page 19.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN0–AIN9 | Analog Input Channels | 10 configurable single-ended or differential inputs; support direct connection to RTDs, strain gauges, and thermocouples. |
| REF0P/REF0N, REF1P/REF1N, REF2P/REF2N | Dedicated & Shared Reference Inputs | Two dedicated differential reference pairs + one shared pair; enable flexible ratiometric or absolute reference configurations. |
| GPIO0/EXT_CLK | General-Purpose I/O or External Clock Input | Configurable as GPIO or clock source; allows synchronization with external timing or control of external switches. |
| GPIO1 | General-Purpose Output | Drives low-side power switches or status indicators; reduces need for discrete isolation components. |
| CS#, SCLK, DIN, DOUT/INT# | SPI Interface Signals | Fully SPI-compatible interface with interrupt-capable DOUT/INT# pin; simplifies host MCU integration. |
| VDDREG, CAPREG | On-Chip 1.8V Regulator Outputs | Provide regulated supply for internal logic; require external 1µF decoupling capacitor at CAPREG. |
| AVDD, AGND, DGND, VDDIO | Power & Ground Terminals | Separate analog/digital supplies and grounds minimize noise coupling; VDDIO supports 1.7V–3.6V I/O level translation. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Excitation Currents | Four independent current sources (0.5µA, 1µA, 10µA, 10µA–1600µA) enable precise biasing of resistive sensors and open-wire fault detection. |
| On-Demand Self-Calibration | Per-gain PGA offset/gain calibration and system-level offset/gain calibration reduce drift-induced errors without host intervention. |
| Flexible Input Multiplexing | 10-channel analog MUX supports any combination of single-ended/differential inputs - critical for multi-sensor data loggers. |
| Single-Cycle Digital Filter Settling | FIR filter settles in one conversion cycle (16ms), enabling deterministic timing in time-critical sensor polling sequences. |
| Integrated Low-Side Power Switch Control | GPIO1 can directly drive external low-side FETs, eliminating discrete gate drivers in sensor excitation circuits. |
Applications
| RTD Temperature Measurement | Strain Gauge Readout |
|---|---|
Use Scenario: Measuring resistance changes in 2-, 3-, or 4-wire Pt100/Pt1000 RTDs for HVAC or process control. IC Role / Device Role / Timing Role: Precision delta-sigma ADC with matched excitation currents and burnout detection, performing ratiometric conversion with internal reference. Use Value: Eliminates external current sources and reference buffers; achieves <±0.1°C accuracy over -40°C to +125°C without system calibration. |
Use Scenario: Reading mV-level outputs from full-bridge strain gauges in load cells or pressure transducers. IC Role / Device Role / Timing Role: High-resolution ADC with programmable PGA gain and low-noise input path, configured for fully differential bridge measurement. Use Value: Delivers 22-bit noise-free resolution at 1.9ksps, enabling sub-0.01%FS strain measurement without external amplification. |
| Portable Gas Sensor Interface | Thermocouple Cold-Junction Compensation |
Use Scenario: Battery-powered handheld gas detectors using electrochemical or NDIR sensors with µA-level output currents. IC Role / Device Role / Timing Role: Low-power ADC with programmable current sinks/sources and <1µA sleep mode, interfacing directly to sensor transimpedance amplifier outputs. Use Value: Enables 10+ hour battery life with 100ms sampling intervals; integrated excitation removes need for external DACs or op-amps. |
Use Scenario: Industrial temperature monitoring using K-type or J-type thermocouples with cold-junction compensation. IC Role / Device Role / Timing Role: Dual-role ADC measuring both thermocouple voltage and RTD-based cold-junction temperature simultaneously via sequenced MUX channels. Use Value: On-chip sequencing and calibration eliminate host software overhead; achieves ±1°C total system accuracy from -200°C to +1372°C. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar precision delta-sigma ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AD7177-2ACPZ | 32-bit resolution, 10ksps max, no integrated PGA or sensor excitation; requires external reference and current sources. | Better resolution/speed but higher BOM cost and layout complexity for sensor front-ends. | Select when ultimate resolution >24-bit and external signal conditioning is already present. |
| ADS1263IPBSR | 24-bit, 38ksps, integrated PGA (1–128x), but only 2 excitation current sources (100µA/1mA); no burnout detection. | Lacks programmable low-current excitation (<10µA) needed for high-impedance gas sensors or micro-RTDs. | Select for high-speed multi-channel systems where low-current excitation is not required. |
Compared with AD7177-2ACPZ and ADS1263IPBSR, MAX11410AATI+ uniquely integrates matched low-current excitation, burnout detection, and single-cycle FIR filtering - reducing component count and PCB area by up to 40% in portable sensor nodes.
Availability
MAX11410AATI+ is available at Aetrix Electronics and suitable for portable instruments, resistive bridge measurement, and RTD temperature sensing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX11410AATI+ 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 high-performance analog and mixed-signal ICs for industrial, automotive, and medical applications.
The MAX11410 product line targets ultra-low-power, high-accuracy sensor signal conditioning - specifically engineered to replace discrete PGA + ADC + excitation solutions in space-constrained, battery-operated measurement systems.
FAQ
What is the maximum sample rate of the MAX11410AATI+?
The MAX11410AATI+ supports a maximum data rate of 1.9ksps. This rate is achieved with the FIR digital filter enabled and provides optimal trade-off between noise performance and line-frequency rejection. Lower rates (e.g., 100sps) are available for enhanced noise reduction in static measurements.
Does the MAX11410AATI+ support true differential input measurements?
Yes, the MAX11410AATI+ supports fully differential measurements across multiple channel combinations using its 10-input multiplexer and dedicated differential reference inputs (REF0P/N, REF1P/N, REF2P/N). Each selected input pair can be configured for true differential acquisition with programmable PGA gain.
How does the MAX11410AATI+ handle sensor wire break detection?
The MAX11410AATI+ implements burnout current detection using its programmable current sources and sinks. By applying a known current (e.g., 0.5µA) and monitoring for expected voltage drop, it identifies open circuits - a feature explicitly validated in the datasheet's "Burnout Currents" section (page 28).
Can the MAX11410AATI+ operate from a single 3.3V supply?
Yes, the MAX11410AATI+ operates with AVDD = 3.3V and VDDIO = 3.3V. Its analog supply range is 2.7V–3.6V and I/O supply range is 1.7V–3.6V, making it compatible with standard 3.3V microcontroller interfaces without level-shifting.
Is an external crystal required for the MAX11410AATI+ to function?
No. The MAX11410AATI+ includes an integrated on-chip oscillator that requires no external components. An external clock may be used via the GPIO0/EXT_CLK pin if precise timing synchronization or lower jitter is required - but it is optional, not mandatory.
MAX11410AATI+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 28-WFQFN Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 24
- Sampling Rate (Per Second):
- 1.9k
- Number of Inputs:
- 10
- Input Type:
- Differential, Single Ended
- Data Interface:
- SPI
- Configuration:
- MUX-PGA-ADC
- Ratio - S/H:ADC:
- -
- Number of A/D Converters:
- 1
- Architecture:
- Sigma-Delta
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.7V ~ 3.6V
- Voltage - Supply, Digital:
- 1.7V ~ 3.6V
- Features:
- PGA, UltraLowPower
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 28-TQFN (4x4)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX11410AATI+ FAQ
1.How can I place an order for MAX11410AATI+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX11410AATI+ 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 MAX11410AATI+ reliable?
The price and inventory of MAX11410AATI+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX11410AATI+ is usually 5 days.
3.What payment methods are accepted for MAX11410AATI+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX11410AATI+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX11410AATI+?
MAX11410AATI+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX11410AATI+ 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 MAX11410AATI+?
For technical support, including MAX11410AATI+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX11410AATI+ requirements.
6.How does Aetrix verify that MAX11410AATI+ is sourced from the original manufacturer or authorized distributors?
All MAX11410AATI+ 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 MAX11410AATI+ meets industry standards.
7.What is the process for return or replacement of MAX11410AATI+?
All MAX11410AATI+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX11410AATI+, 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 MAX11410AATI+ part is unused and in its original packaging.
Return procedure for MAX11410AATI+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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