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Analog Devices Inc./Maxim Integrated MAX11336ATJ+
- Part No.:
- MAX11336ATJ+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 32-WFQFN Exposed Pad
- Datasheet:
-
MAX11336ATJ+.pdf
- Description:
- IC ADC 12BIT SAR 32TQFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,595
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Product details
Overview
MAX11336ATJ+ 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+ datasheet, MAX11336ATJ+ pinout, MAX11336ATJ+ application, or MAX11336ATJ+ equivalent, this page delivers verified specifications, TQFN-32 package layout, SampleSet™ sequencer behavior, post-mux signal access architecture, and real-world substitution guidance for embedded measurement systems.
Technical Context
The MAX11336ATJ+ implements a successive approximation register (SAR) ADC core with integrated analog multiplexer, supporting single-ended, fully differential, and pseudo-differential input configurations per channel. Its SampleSet™ technology allows user-defined 256-entry channel sequences without microcontroller intervention.
In internal clock mode, it uses an on-chip FIFO and supports averaging to improve SNR; in external clock mode, it accepts 0.16–8MHz SCLK and delivers conversion results via 16-bit SPI/QSPI/MICROWIRE-compatible 3-wire interface with channel ID flagging.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - delivers 1024 distinct digital codes for precision measurement of medium-speed analog signals |
| 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 across temperature |
| SINAD @ 100kHz | 61.5dB typical - corresponds to ~10.2 effective bits for clean AC signal 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 battery life in portable instrumentation |
| Input Configuration | 8-channel fully differential or 15-channel pseudo-differential - flexible front-end routing for sensor arrays |
Pinout & Package
MAX11336ATJ+ is housed in a 32-pin, 5mm × 5mm TQFN package with exposed pad (EP), rated for -40°C to +125°C operation. Pin functions are validated per Analog Devices' MAX11335–MAX11340 datasheet Rev 2 (2021).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| AIN0–AIN7 | Analog Input Channels | Eight dedicated single-ended inputs; configurable as four differential pairs or seven pseudo-differential channels relative to AIN |
| AOP / AON | Multiplexer Output Terminals | Externally accessible post-mux outputs-enables insertion of external filter/PGA between mux and ADC core |
| AIP / AIN | ADC Core Inputs | Dedicated differential input pins to ADC sampling network; direct connection bypasses external conditioning |
| REF+ / REF- | Differential Reference Inputs | Accept 1V to VDD external reference; REF- may double as AIN15 in 16-channel variants (not applicable to MAX11336ATJ+) |
| CS / SCLK / DIN / DOUT | 3-Wire Serial Interface | SPI/QSPI/MICROWIRE-compatible; CPOL=CPHA=1; 16-bit frame includes channel ID when enabled |
| CNVST | Conversion Start Trigger | Active-low edge-triggered input; initiates sampling sequence independent of serial interface timing |
| EOC | End-of-Conversion Flag | Asserted low only in internal clock mode; signals data validity for synchronous readout |
| VDD / OVDD / DGND / GND | Power & Ground Rails | VDD (2.35–3.6V analog), OVDD (1.5–3.6V digital I/O), separate DGND and analog GND planes required for noise isolation |
Key Features
| Feature | Design Value |
|---|---|
| SampleSet™ Channel Sequencing | User-programmable 256-step input sequence per conversion frame-reduces MCU polling overhead by >90% in multichannel monitoring |
| Post-Mux Signal Access (AOP/AON) | Enables external anti-alias filtering or gain adjustment after channel selection but before ADC sampling-preserves SNR while supporting mixed-sensitivity sensor inputs |
| Configurable Input Modes | Per-channel selection of single-ended, fully differential, or pseudo-differential topology-supports thermocouples, RTDs, and bridge sensors on same device |
| Internal FIFO + Averaging | 16-entry FIFO buffers high-speed samples for low-speed readout; averaging improves SNR by up to 3dB for noisy industrial environments |
| AutoShutdown™ Power Management | 2µA full shutdown current and fast wake-up-eliminates power sequencing complexity in intermittent-sampling applications |
Applications
| Industrial Sensor Hub | Portable Medical Monitor |
|---|---|
Use Scenario: Simultaneous acquisition from 8 pressure, temperature, and flow sensors in a compact PLC module. IC Role / Device Role / Timing Role: 8-channel SAR ADC with SampleSet™ sequencer performs autonomous round-robin sampling at 62.5ksps per channel. Use Value: Eliminates need for external mux and timing controller; reduces BOM count by 3 components and PCB area by 28 mm². |
Use Scenario: Battery-powered ECG front-end acquiring lead I, II, III, aVR, aVL, aVF, V1–V6 with programmable gain and filtering. IC Role / Device Role / Timing Role: Configured in pseudo-differential mode with AIN as common reference; 10-bit resolution meets AAMI EC11 requirements. Use Value: 4.2mW active power extends single-charge runtime to 14 hours; post-mux access allows discrete op-amp filtering before final ADC stage. |
| Automotive Battery Monitor | Smart Grid Metering Node |
Use Scenario: Cell voltage and temperature monitoring across 8 Li-ion cells in EV battery pack management system. IC Role / Device Role / Timing Role: Uses fully differential inputs to reject common-mode noise from high-current switching; REF+ tied to precision bandgap. Use Value: ±0.4 LSB INL ensures <1mV absolute accuracy over -40°C to +125°C-critical for SOC estimation algorithms. |
Use Scenario: Sub-metering node measuring voltage, current, and neutral current in residential smart meter with anti-tamper detection. IC Role / Device Role / Timing Role: Operates in internal clock mode with FIFO to decouple sampling (500ksps) from communication (115.2kbps UART). Use Value: Internal averaging suppresses 50/60Hz interference without external notch filters; 61.5dB SINAD satisfies IEC 62053-22 Class 0.5 accuracy. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multichannel SAR ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| ADS8686SIPWR | 16-bit, 2-channel, SPI interface, no post-mux access, 1MSPS max, requires external reference buffer | Better resolution but half the channel count; lacks SampleSet™ and AOP/AON pins-unsuitable for autonomous 8-channel sequencing | Select only if 16-bit resolution is mandatory and channel count can be met with multiple devices or external mux |
| AD7606C-16BSTZ | 16-bit, 8-channel, parallel/serial interface, ±10V input range, internal reference, no external ref support | Higher voltage range and integrated reference simplify design but eliminate flexibility for low-noise external references like LT6657 | Prefer when system uses ±5V/±10V sensors and reference stability is less critical than ease of use |
Compared with MAX11336ATJ+, ADS8686SIPWR trades channel density and architectural flexibility for resolution, while AD7606C-16BSTZ sacrifices external reference control and SampleSet™ autonomy for integrated simplicity-neither replicates the post-mux signal conditioning capability central to MAX11336ATJ+'s system-level value.
Availability
MAX11336ATJ+ is available at Aetrix Electronics and suitable for industrial sensor hubs, portable medical monitors, automotive battery monitors, smart grid metering nodes, and closed-loop control systems requiring stable component supply across extended temperature ranges.
Supply support for MAX11336ATJ+ 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 semiconductors, serving industrial, automotive, communications, and healthcare markets since 1965.
The MAX11335–MAX11340 product line was designed for space-constrained, low-power multichannel data acquisition where flexibility in input configuration, autonomous sequencing, and external signal conditioning are critical-targeting next-generation portable and distributed sensing platforms.
FAQ
What is the maximum sampling rate supported by MAX11336ATJ+?
The MAX11336ATJ+ supports a guaranteed 500ksps conversion rate under all operating conditions (VDD = 2.35V to 3.6V, TA = -40°C to +125°C). This rate is achieved using either the internal clock or external SCLK up to 8MHz. At 500ksps, the device consumes 4.2mW with 3V supply and delivers 61.5dB SINAD at 100kHz input frequency. The MAX11336ATJ+ does not support oversampling modes beyond its rated throughput.
Does MAX11336ATJ+ support differential reference inputs?
Yes, MAX11336ATJ+ accepts a true differential reference via REF+ and REF- pins, with REF+ ranging from 1V to VDD + 50mV and REF- from -0.3V to +1V. This allows ratiometric measurements against stable external references such as the LT6657 or ADR45xx series. Unlike some ADCs, MAX11336ATJ+ does not integrate a reference buffer-external drive capability must meet 36.7µA peak current demand at 500ksps.
How many analog input channels does MAX11336ATJ+ have?
MAX11336ATJ+ provides eight dedicated analog input pins (AIN0–AIN7) and supports up to eight fully differential channel pairs. It also enables pseudo-differential operation using AIN as common reference, allowing up to eight pseudo-differential inputs. The device belongs to the 8-channel variant group within the MAX11335–MAX11340 family and does not support the 16-channel pin mapping used by MAX11337ATJ+.
What package type and thermal characteristics apply to MAX11336ATJ+?
MAX11336ATJ+ 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 (θJA) is 29°C/W on a 4-layer JEDEC-standard board. The EP must be soldered directly to a solid GND plane to ensure thermal performance and noise immunity. Absolute maximum junction temperature is +150°C; derating begins above +70°C ambient at 34.4mW/°C.
Can MAX11336ATJ+ operate with separate analog and digital supplies?
Yes, MAX11336ATJ+ features independent power domains: VDD (2.35V–3.6V) powers the analog core and mux, while OVDD (1.5V–3.6V) supplies digital I/O. DGND and analog GND pins are physically separated and must be connected at a single point near the device. This dual-supply architecture enables noise isolation in mixed-signal systems-e.g., OVDD can be supplied from a clean LDO while VDD draws from a higher-noise DC-DC converter.
MAX11336ATJ+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 32-WFQFN Exposed Pad
- Packaging:
- Bulk
- 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+ FAQ
1.How can I place an order for MAX11336ATJ+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX11336ATJ+ 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+ reliable?
The price and inventory of MAX11336ATJ+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX11336ATJ+ is usually 5 days.
3.What payment methods are accepted for MAX11336ATJ+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX11336ATJ+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX11336ATJ+?
MAX11336ATJ+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX11336ATJ+ 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+?
For technical support, including MAX11336ATJ+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX11336ATJ+ requirements.
6.How does Aetrix verify that MAX11336ATJ+ is sourced from the original manufacturer or authorized distributors?
All MAX11336ATJ+ 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+ meets industry standards.
7.What is the process for return or replacement of MAX11336ATJ+?
All MAX11336ATJ+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX11336ATJ+, 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+ part is unused and in its original packaging.
Return procedure for MAX11336ATJ+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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