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Analog Devices Inc./Maxim Integrated MAX11200EEE+T
- Part No.:
- MAX11200EEE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX11200EEE+T.pdf
- Description:
- IC ADC 24BIT SIGMA-DELTA 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:5,025
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Product details
Overview
MAX11200EEE+T from Maxim Integrated is a 24-bit, single-channel, ultra-low-power delta-sigma ADC with four SPI-controllable GPIOs and integrated input/reference buffers. It delivers 20.9-bit noise-free resolution at 10sps, <300µA total active current, and >100dB 50Hz/60Hz line-noise rejection - optimized for high-precision sensor measurement in 4–20mA industrial loops.
For engineers reviewing the MAX11200EEE+T datasheet, MAX11200EEE+T pinout, MAX11200EEE+T application, or MAX11200EEE+T equivalent, key selection criteria include its 16-pin QSOP package, programmable LINEF oscillator (2.048/2.4576MHz), SINC4 digital filter, unbuffered/buffered analog input support, and self-calibration capability for offset/gain correction.
Technical Context
The MAX11200EEE+T implements a third-order delta-sigma modulator with SINC4 digital filtering, enabling configurable data rates from 0.833sps to 480sps across continuous or single-cycle conversion modes. Its internal oscillator eliminates external timing components while supporting precise 50Hz/60Hz rejection via LINEF bit selection.
It features dual-buffering control (SIGBUF/REFBUF bits), independent 1.7V–3.6V DVDD and 2.7V–3.6V AVDD supplies, ±2kV HBM ESD protection on all pins, and on-demand self- or system-level calibration using SPI commands - all managed through dedicated CTRL1–CTRL3 registers.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 24-bit output with 20.9-bit noise-free resolution at 10sps - enables sub-1ppm measurement fidelity in low-speed sensor applications. |
| Power Consumption | <300µA total active current (AVDD + DVDD) - supports multi-year battery life in portable instrumentation. |
| Line Rejection | >100dB rejection of 50Hz/60Hz interference at 1–15sps - eliminates need for external notch filters in industrial environments. |
| Input Structure | Fully differential AINP/AINN with optional signal buffer; differential REFP/REFN with optional reference buffer - supports high-impedance transducers without dynamic range loss. |
| Calibration | On-chip offset/gain self-calibration (200ms) and system calibration (100ms each) - reduces factory trim requirements and field recalibration overhead. |
| GPIO Functionality | Four SPI-configurable GPIOs (GPIO1–GPIO4) - enables direct control of external analog multiplexers without additional logic. |
| Operating Range | -40°C to +85°C ambient temperature; 2.7V–3.6V AVDD, 1.7V–3.6V DVDD - suitable for harsh industrial and embedded deployments. |
Pinout & Package
MAX11200EEE+T is housed in a 16-pin QSOP package (5.3mm × 10.2mm, 0.635mm pitch) with exposed pad for thermal performance and standard surface-mount compatibility.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 16 | GPIO1–GPIO4 | SPI-programmable digital I/Os - used to drive external mux control lines (e.g., MAX313) in break-before-make sequencing. |
| 4 | GND | Common analog/digital ground reference - requires low-impedance connection to minimize noise coupling between domains. |
| 5, 6 | REFP / REFN | Differential reference inputs - accept external voltage reference (0–VAVDD common-mode); buffer enablement reduces input current to 30nA. |
| 7, 8 | AINN / AINP | Fully differential analog inputs - support unipolar (0–VREF) or bipolar (±VREF) ranges; buffer enablement isolates high-Z sources from sampling capacitance. |
| 9 | AVDD | Analog supply (2.7–3.6V) - powers modulator, reference circuitry, and input buffers; separate from DVDD to suppress digital noise injection. |
| 10 | DVDD | Digital supply (1.7–3.6V) - powers SPI interface, GPIO logic, and digital filter; allows low-voltage MCU interfacing. |
| 11 | CS | Active-low chip select - initiates SPI frame; must remain low during full 24-bit read/write transaction. |
| 12 | DIN | Serial data input - accepts command bytes (e.g., CAL0/CAL1, RATE[2:0]) on rising SCLK edge for configuration and calibration. |
| 13 | RDY/DOUT | Open-drain ready flag + serial data output - RDY = low indicates conversion complete; DOUT shifts MSB-first on falling SCLK edge. |
| 14 | SCLK | Serial clock input - up to 5MHz; controls timing of DIN sampling and DOUT shifting; duty cycle ≥60% required. |
| 15 | CLK | External clock input - optional 2.048/2.25275/2.4576MHz source for enhanced 50Hz/60Hz rejection or custom data rate scaling. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power operation | 235–300µA total active current and <2µA sleep current - extends battery life in portable sensors and loop-powered devices. |
| Integrated SINC4 digital filter | Guarantees >100dB 50Hz/60Hz rejection at 1–15sps - removes mains interference without external passive components. |
| Configurable input buffering | Independent SIGBUF/REFBUF control - enables use with >1MΩ source impedances while preserving ENOB and linearity. |
| On-demand calibration | Self-calibration (200ms) and system calibration (100ms each) - corrects offset/gain drift over temperature and time without external equipment. |
| Four GPIOs with SPI control | GPIO1–GPIO4 configured via CTRL2 register - directly manages analog switch sequencing, reducing BOM count and PCB routing complexity. |
| Robust power-on reset | Dual POR circuits (1.2V DVDD, 1.25V AVDD, 100mV hysteresis) - ensures reliable initialization under asymmetric power sequencing. |
Applications
| Industrial 4–20mA Sensor Transmitter | Portable Precision Weigh Scale |
|---|---|
Use Scenario: High-accuracy temperature/pressure sensing in loop-powered field instruments with strict power budget constraints. IC Role / Device Role / Timing Role: Primary sigma-delta ADC digitizing conditioned sensor output; provides synchronized conversion trigger and filtered digital output via SPI. Use Value: Enables 24-bit resolution at <300µA, eliminating external precision references and line filters while meeting IEC 61000-4-8 immunity requirements. |
Use Scenario: Battery-operated bench or handheld scale requiring stable 100,000-count resolution over extended operating time. IC Role / Device Role / Timing Role: Low-noise analog front-end ADC capturing load-cell mV signals; uses internal oscillator and SINC4 filter for drift-free weight readings. Use Value: Delivers 20.9-bit noise-free resolution at 10sps with onboard calibration - reduces zero-point drift and eliminates manual recalibration intervals. |
| Low-Power Environmental Monitor | Medical Vital Sign Sensor Node |
Use Scenario: Remote air quality or humidity node powered by coin cell or energy harvesting, transmitting data wirelessly every minute. IC Role / Device Role / Timing Role: Ultra-low-power ADC sampling electrochemical or capacitive sensors; enters deep sleep between conversions. Use Value: Sleep current <2µA and fast wake-up (<1ms) enable multi-year operation; GPIOs control sensor biasing to minimize quiescent power. |
Use Scenario: Wearable patch measuring bioimpedance or skin conductance with stringent EMC and leakage current limits. IC Role / Device Role / Timing Role: Isolated, low-leakage ADC digitizing microvolt-level biopotential signals; uses buffered inputs to avoid loading sensitive electrodes. Use Value: Input leakage <1.4fA/V (unbuffered) and ±2kV ESD protection meet IEC 60601-1 patient safety requirements without external protection networks. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar delta-sigma ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS124S08IPW | 24-bit, 4-kSPS max, integrated PGA (1–128), no GPIOs, 28-pin TSSOP | Higher speed and gain flexibility but higher power (350µA active); lacks GPIOs for mux control | Select when system requires programmable gain and faster sampling; avoid if GPIO-driven multiplexing or sub-300µA power is mandatory. |
| LTC2499CGN#PBF | 24-bit, 15sps max, no GPIOs, 20-pin SSOP, built-in oscillator only (no external CLK option) | Similar ultra-low-power profile but no external clock input or GPIO functionality; lower ESD rating (±1kV) | Select for cost-sensitive, fixed-data-rate applications where GPIO control and dual-line-frequency rejection are unnecessary. |
Compared with ADS124S08IPW and LTC2499CGN#PBF, MAX11200EEE+T uniquely combines sub-300µA operation, four GPIOs for hardware mux coordination, and selectable 2.048/2.4576MHz oscillator for optimal 50Hz or 60Hz rejection - making it ideal for resource-constrained industrial sensor nodes requiring both precision and system integration.
Availability
MAX11200EEE+T is available at Aetrix Electronics and suitable for industrial sensor transmitters, portable instrumentation, and battery-powered weigh scales requiring stable component supply and long-term lifecycle support.
Supply support for MAX11200EEE+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 high-performance analog and mixed-signal ICs for industrial, medical, and communications applications.
The MAX11200/MAX11210 family targets ultra-low-power, high-resolution measurement systems - especially 4–20mA loop-powered sensors and portable instrumentation where dynamic range, power efficiency, and integration are critical.
FAQ
What is the maximum data rate supported by the MAX11200EEE+T in continuous conversion mode?
The MAX11200EEE+T supports up to 480sps in continuous conversion mode when LINEF = 0 (2.4576MHz internal oscillator). In single-cycle mode, the maximum is 120sps. Data rates are selected via the RATE[2:0] bits in the command byte, with trade-offs between speed, noise-free resolution, and line rejection performance clearly defined in Tables 1 and 2 of the datasheet.
Does the MAX11200EEE+T include an internal reference voltage?
No, the MAX11200EEE+T does not include an internal reference. It requires an external differential reference applied across REFP and REFN pins, with common-mode voltage between 0V and AVDD. The device supports optional reference buffering to reduce input current to 30nA, improving stability with high-impedance reference sources.
How does the MAX11200EEE+T achieve >100dB 50Hz/60Hz rejection?
The MAX11200EEE+T achieves >100dB 50Hz/60Hz rejection through its SINC4 digital filter synchronized to precisely chosen internal oscillator frequencies (2.048MHz for 50Hz, 2.4576MHz for 60Hz). When operated at data rates ≤15sps, the filter's spectral nulls align with line frequency harmonics - a feature guaranteed in the datasheet and independent of external component tolerances.
Can the GPIOs on the MAX11200EEE+T drive analog switches directly?
Yes, the four GPIOs (GPIO1–GPIO4) on the MAX11200EEE+T are CMOS-compatible outputs capable of directly driving control inputs of analog switches like the MAX313. Their state is controlled via the CTRL2 register, and they support break-before-make sequencing when used with appropriate command timing - eliminating need for external GPIO expanders in multichannel sensor systems.
What calibration options are available on the MAX11200EEE+T?
The MAX11200EEE+T supports three calibration levels: (1) on-demand self-calibration (200ms) correcting internal offset/gain; (2) system calibration (100ms each) using external zero/full-scale inputs; and (3) user-programmable offset/gain registers via SPI. All calibrations are initiated using CAL0/CAL1 bits in the command byte and require no external hardware.
MAX11200EEE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Number of Bits:
- 24
- Sampling Rate (Per Second):
- 480
- Number of Inputs:
- 1
- Input Type:
- Differential
- Data Interface:
- SPI
- Configuration:
- 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:
- 1.71V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 16-QSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX11200EEE+T FAQ
1.How can I place an order for MAX11200EEE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX11200EEE+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 MAX11200EEE+T reliable?
The price and inventory of MAX11200EEE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX11200EEE+T is usually 5 days.
3.What payment methods are accepted for MAX11200EEE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX11200EEE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX11200EEE+T?
MAX11200EEE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX11200EEE+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 MAX11200EEE+T?
For technical support, including MAX11200EEE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX11200EEE+T requirements.
6.How does Aetrix verify that MAX11200EEE+T is sourced from the original manufacturer or authorized distributors?
All MAX11200EEE+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 MAX11200EEE+T meets industry standards.
7.What is the process for return or replacement of MAX11200EEE+T?
All MAX11200EEE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX11200EEE+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 MAX11200EEE+T part is unused and in its original packaging.
Return procedure for MAX11200EEE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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