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Analog Devices Inc./Maxim Integrated MAX11336ATJ+T
- Part No.:
- MAX11336ATJ+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
MAX11336ATJ+T.pdf
- Description:
- IC ADC 12BIT SAR 32TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,854
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Product details
Overview
MAX11336ATJ+T from Analog Devices is a 10-bit, 8-channel SAR analog-to-digital converter with external differential reference support, 500ksps conversion rate, ±0.4 LSB INL, 61.5dB SINAD at 100kHz, and operation from 2.35V to 3.6V supply. It enables high-speed multichannel data acquisition in battery-powered industrial sensors.
For engineers reviewing the MAX11336ATJ+T datasheet, MAX11336ATJ+T pinout, MAX11336ATJ+T application, or MAX11336ATJ+T equivalent, this page delivers verified specifications, real-world signal conditioning access points, SampleSet™ sequencer configuration details, and validated alternative options for portable and closed-loop systems.
Technical Context
The MAX11336ATJ+T implements a successive approximation register (SAR) architecture with post-mux analog signal access-AOP/AON (mux outputs) and AIP/AIN (ADC inputs)-enabling external filtering or gain stages between multiplexer and ADC core. It supports both internal clock mode (with FIFO and averaging) and external clock mode (with SampleSet™ programmable channel sequencing).
It features configurable input types per channel: single-ended, fully differential, or pseudo-differential, with two software-selectable bipolar ranges (±VREF+/2 or ±VREF+). The 3-wire SPI/QSPI/MICROWIRE-compatible interface operates up to 8MHz with CPOL=CPHA=1 and includes EOC and CNVST for precise timing control.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - delivers 1024 distinct digital codes for moderate-precision measurement applications |
| Conversion Rate | 500ksps - supports real-time sampling of signals up to 250kHz Nyquist bandwidth |
| INL / DNL | ±0.4 LSB / no missing codes - ensures monotonicity and <0.1% full-scale linearity error |
| SINAD @ 100kHz | 61.5dB - corresponds to ~7.9 effective bits, suitable for sensor and control loop digitization |
| Supply Voltage | 2.35V to 3.6V - compatible with single-cell Li-ion and 3.3V system rails without level shifting |
| Power Dissipation | 4.2mW at 500ksps (3V) - enables >100-hour operation on 100mAh battery in periodic-sampling mode |
| Input Configuration | 8-channel single-ended or 4-channel fully differential - flexible front-end design for mixed-signal systems |
Pinout & Package
MAX11336ATJ+T is housed in a 32-pin, 5mm × 5mm TQFN package with exposed pad (EP), rated for -40°C to +125°C operation. Thermal resistance θJA = 29°C/W supports reliable performance in compact industrial enclosures.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN0–AIN7 | Analog Input Channels | Eight dedicated single-ended inputs; configurable as four differential pairs or pseudo-differential relative to common AIN |
| AOP / AON | Multiplexer Output Terminals | Provide buffered analog output from internal mux-enables external signal conditioning before ADC core |
| AIP / AIN | ADC Core Input Terminals | Direct connection point to SAR ADC sampling network; must be driven by low-impedance source or external buffer |
| REF+ / REF- | Differential Reference Inputs | Accept external 1V to VDD reference; REF- may double as AIN15 on MAX11340 but not on MAX11336ATJ+T |
| CS / SCLK / DIN / DOUT | 3-Wire Serial Interface | SPI-compatible interface with CPOL=CPHA=1; DOUT delivers 16-bit frame (4-bit channel ID + 12-bit result) when CHAN_ID enabled |
| CNVST | Conversion Start Trigger | Active-low edge-triggered input; initiates sampling sequence independently of serial interface activity |
| EOC | End-of-Conversion Indicator | Active-low pulse signaling data validity-only functional in internal clock mode |
| VDD / OVDD / DGND / GND | Power and Ground Rails | VDD (2.35–3.6V analog), OVDD (1.5–3.6V digital I/O), separate DGND and analog GND pins for noise isolation |
Key Features
| Feature | Design Value |
|---|---|
| SampleSet™ Technology | User-programmable 256-entry channel sequence eliminates MCU polling overhead and enables asynchronous multi-rate sampling |
| Post-Mux Signal Access (AOP/AON → AIP/AIN) | Allows insertion of external PGA, filter, or anti-alias stage between mux and ADC-critical for differential sensor interfaces |
| Internal FIFO + Averaging | 16-entry FIFO buffers high-speed samples; internal averaging improves SNR by up to 3dB for noisy industrial environments |
| Bipolar Input Ranges | Software-selectable ±VREF+/2 or ±VREF+ modes simplify interfacing with ±10V or ±5V industrial transducers without external level shifters |
| AutoShutdown™ Mode | Reduces supply current to 2.1µW at 2.35V-extends battery life in wake-on-event sensor nodes |
Applications
| Industrial Sensor Node | Motor Phase Current Monitoring |
|---|---|
|
Use Scenario: Compact battery-powered vibration and temperature monitor deployed on rotating machinery with 8 analog sensor inputs. IC Role / Device Role / Timing Role: Simultaneous sampling of thermocouple, accelerometer, and current-sense outputs via 8-channel scan mode with SampleSet™ sequencing. Use Value: Eliminates need for external mux or microcontroller-driven sampling logic-reduces BOM count and firmware complexity while maintaining 500ksps aggregate throughput. |
Use Scenario: Real-time three-phase motor controller requiring synchronized current sampling across all phases with minimal latency. IC Role / Device Role / Timing Role: Configured in 4-channel fully differential mode to digitize isolated shunt voltage drops; uses CNVST edge to trigger simultaneous capture. Use Value: Achieves <10ns inter-channel skew and 61.5dB SINAD at 100kHz-enables accurate field-oriented control (FOC) without oversampling or external calibration. |
| Portable Medical Pulse Oximeter | High-Speed Closed-Loop PLC Module |
|
Use Scenario: Handheld oximeter acquiring red/IR photodiode signals, ambient light, and temperature with strict power budget. IC Role / Device Role / Timing Role: Operates in internal clock mode with FIFO and averaging to suppress switching noise from LED drivers during 500ksps burst sampling. Use Value: 4.2mW active power and 2.1µW shutdown current enable >12-hour runtime on CR2032; external reference ensures stable ratiometric SpO₂ calculation. |
Use Scenario: DIN-rail mounted PLC I/O module digitizing 8 analog process signals (4–20mA, ±10V) with deterministic timing. IC Role / Device Role / Timing Role: Uses external clock mode with fixed SampleSet™ sequence and EOC-driven interrupt to guarantee sub-2µs jitter in control loop sampling. Use Value: Full-linear bandwidth of 0.5MHz (SINAD ≥61dB) supports accurate reconstruction of fast transients in servo feedback paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multichannel SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8684IPWR | 16-bit, 4-channel, SPI interface, 500ksps, internal reference only; no post-mux access or SampleSet™ | Higher resolution but lacks external signal conditioning flexibility and programmable sequencing | Select when absolute precision >61dB SINAD is required and external buffering is handled upstream |
| AD7928BRUZ | 12-bit, 8-channel, 1MSPS, parallel/serial interface, no FIFO, no SampleSet™, no AOP/AON pins | Higher speed but no internal sequencing or mux-output access-requires full MCU coordination | Choose for cost-sensitive, high-throughput applications where external FPGA or fast MCU handles channel management |
Compared with ADS8684IPWR and AD7928BRUZ, the MAX11336ATJ+T uniquely integrates post-mux analog access, SampleSet™ programmable sequencing, and internal FIFO-reducing host processor load and enabling autonomous multichannel acquisition in space-constrained embedded systems.
Availability
MAX11336ATJ+T is available at Aetrix Electronics and suitable for industrial sensor nodes, motor control feedback loops, portable medical instruments, and high-speed closed-loop PLC modules requiring stable component supply and long-term production continuity.
Supply support for MAX11336ATJ+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
Analog Devices is a global leader in high-performance analog, mixed-signal, and digital signal processing technologies, serving industrial, automotive, communications, and healthcare markets.
The MAX11335–MAX11340 family was designed specifically for low-power, multichannel data acquisition in space- and energy-constrained environments-emphasizing integrated flexibility (SampleSet™, post-mux access) over raw resolution.
FAQ
What is the maximum sampling rate supported by MAX11336ATJ+T?
The MAX11336ATJ+T supports a guaranteed 500ksps conversion rate in both internal and external clock modes. At 8MHz SCLK, externally clocked conversions complete in 2000ns per sample. Internal clock mode achieves 5.9µs conversion time with built-in timing control and FIFO buffering-ideal for burst-mode acquisition without MCU intervention.
Does MAX11336ATJ+T support differential input configurations?
Yes, MAX11336ATJ+T supports fully differential inputs across four channel pairs (e.g., AIN0/AIN1, AIN2/AIN3), pseudo-differential inputs relative to a common AIN pin, and single-ended inputs on all eight channels. Input configuration is software-selectable per channel via control registers, and the device maintains ±0.4 LSB INL and 61.5dB SINAD in all modes.
How does the SampleSet™ feature work in MAX11336ATJ+T?
SampleSet™ is a user-programmable 256-entry channel sequencer stored in on-chip RAM. It allows defining custom sampling orders, repetition counts, and dwell times per channel-enabling mixed-rate acquisition (e.g., slow temperature + fast current) without CPU involvement. The MAX11336ATJ+T executes sequences autonomously in external clock mode, reducing interface traffic by >70% versus polled architectures.
Can MAX11336ATJ+T operate with an external reference voltage?
Yes, MAX11336ATJ+T requires an external differential reference applied to REF+ (1V to VDD) and REF− (−0.3V to +1V). This enables ratiometric measurements, improved stability over temperature, and compatibility with precision external references like the ADR45xx series. Reference current draw is 36.7µA at 500ksps, scaling linearly with sampling rate.
What package type and thermal characteristics does MAX11336ATJ+T have?
MAX11336ATJ+T uses a 32-pin, 5mm × 5mm TQFN package with exposed pad (EP), specified for −40°C to +125°C operation. Its junction-to-ambient thermal resistance is 29°C/W (JEDEC JESD51-7, 4-layer board), and junction-to-case is 1.7°C/W. The EP must be soldered directly to the PCB ground plane to ensure thermal and electrical performance compliance.
MAX11336ATJ+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 500k
- Number of Inputs:
- 4, 8
- Input Type:
- Differential, Pseudo-Differential, Single Ended
- Data Interface:
- SPI, DSP
- Configuration:
- MUX-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External
- Voltage - Supply, Analog:
- 2.35V ~ 3.6V
- Voltage - Supply, Digital:
- 2.35V ~ 3.6V
- Features:
- -
- Operating Temperature:
- -40°C ~ 125°C
- Supplier Device Package:
- 32-TQFN (5x5)
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX11336ATJ+T FAQ
1.How can I place an order for MAX11336ATJ+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX11336ATJ+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 MAX11336ATJ+T reliable?
The price and inventory of MAX11336ATJ+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX11336ATJ+T is usually 5 days.
3.What payment methods are accepted for MAX11336ATJ+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX11336ATJ+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX11336ATJ+T?
MAX11336ATJ+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX11336ATJ+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 MAX11336ATJ+T?
For technical support, including MAX11336ATJ+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX11336ATJ+T requirements.
6.How does Aetrix verify that MAX11336ATJ+T is sourced from the original manufacturer or authorized distributors?
All MAX11336ATJ+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 MAX11336ATJ+T meets industry standards.
7.What is the process for return or replacement of MAX11336ATJ+T?
All MAX11336ATJ+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX11336ATJ+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 MAX11336ATJ+T part is unused and in its original packaging.
Return procedure for MAX11336ATJ+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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