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Analog Devices Inc./Maxim Integrated MAX1364EUB+
- Part No.:
- MAX1364EUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1364EUB+.pdf
- Description:
- IC ADC 12BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,553
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Product details
Overview
MAX1364EUB+ from Analog Devices is a 12-bit, 4-channel I²C-compatible analog-to-digital converter with integrated programmable window comparator, SMBus alert response, and 4.096V internal reference. It operates from a single 4.5V–5.5V supply, delivers 133ksps in monitor mode, and consumes only 436µA at full monitoring rate-enabling autonomous voltage/current supervision in high-reliability power supplies.
For engineers reviewing the MAX1364EUB+ datasheet, MAX1364EUB+ pinout, MAX1364EUB+ application, or MAX1364EUB+ equivalent, this page provides verified technical context, validated pin functions, confirmed operating modes (monitor/normal/scan), real-world system-monitoring use cases, and two rigorously cross-checked alternative parts for design flexibility.
Technical Context
The MAX1364EUB+ implements successive-approximation ADC architecture with fully differential track-and-hold circuitry and an on-chip 4.096V reference. Its monitor mode uses hardware-based window comparison against user-programmed upper/lower thresholds, asserting an open-drain INT signal without host intervention.
It supports I²C standard/fast/high-speed modes up to 1.7MHz, six configurable slave addresses, and dual clock sources: internal oscillator (2.8MHz) or external SCL. Input configuration includes single-ended or 2-channel fully differential operation, with software-selectable unipolar/bipolar conversion ranges referenced to internal or external 1V–VDD sources.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 12-bit - delivers 1 LSB = 1mV resolution over 4.096V full-scale range |
| INL / DNL | ±1 LSB - ensures monotonicity and ≤0.024% full-scale linearity error for precision monitoring |
| Sampling Rate | 133ksps in monitor mode - enables rapid fault detection without continuous host polling |
| Supply Current | 436µA at 133ksps (monitor mode) - supports always-on supervision in low-power systems |
| Reference Voltage | 4.096V internal - matches common 12-bit DAC/ADC scaling and simplifies calibration |
| I²C Speed | Up to 1.7MHz high-speed mode - reduces interface overhead during burst readback of scan results |
| Input Configuration | 4 single-ended or 2 fully differential channels - supports flexible sensor interfacing (e.g., rail-to-rail voltage, current shunt) |
Pinout & Package
MAX1364EUB+ is housed in a 10-pin µMAX® package (3mm × 3mm, 0.5mm pitch), specified for -40°C to +85°C operation. The package supports fine-pitch PCB layout and thermal performance suitable for dense power-supply monitoring applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 AIN0 | Analog input channel 0 | Single-ended or differential positive input; supports 0–VREF (unipolar) or ±VREF/2 (bipolar) |
| 2 AIN1 | Analog input channel 1 | Identical function to AIN0; independently configurable per channel setup byte |
| 3 AIN2 | Analog input channel 2 | Same electrical specs as AIN0/AIN1; usable in multichannel scan sequences |
| 4 AIN3/VREF | Configurable analog input or reference I/O | When SEL[2:1]=11, outputs 4.096V reference; when used as input, excluded from scan mode |
| 5 A0 | I²C slave address select | Connect to GND or VDD to select one of two base addresses (0110100/0110101 or 0110110/0110111) |
| 6 INT | Active-low open-drain interrupt output | Asserts automatically on threshold violation; supports wired-OR SMBus alert response |
| 7 SCL | I²C serial clock input | Drives internal conversion timing in external clock mode; supports 100kHz/400kHz/1.7MHz |
| 8 SDA | I²C bidirectional data line | Transfers setup bytes, conversion results, and alarm-status register contents |
| 9 GND | Analog/digital ground reference | Common return for VDD, analog inputs, and reference; requires low-inductance connection |
| 10 VDD | Positive supply input | 4.5V–5.5V single supply; must be bypassed with ≥0.1µF ceramic capacitor to GND |
Key Features
| Feature | Design Value |
|---|---|
| Hardware monitor mode | Autonomous threshold checking with no host CPU involvement-reduces firmware complexity and latency |
| Programmable trip window | Independent upper/lower thresholds per channel stored in dedicated registers-enables asymmetric fault detection |
| SMBus alert response | Supports multi-device interrupt sharing via ALERT# bus; allows host µC to identify MAX1364EUB+ as source in <10µs |
| Scan-mode FIFO | On-chip RAM stores up to 8 conversions (single channel) or full 4-channel sequence-eliminates repeated I²C addressing |
| AutoShutdown™ | Reduces idle current to <0.5µA-critical for battery-backed or energy-harvested supervision circuits |
| Internal 4.096V reference | 25ppm/°C tempco, ±0.5% initial accuracy-enables ratiometric measurements without external reference components |
Applications
| Server Power Rail Monitoring | Medical Device Battery Supervision |
|---|---|
Use Scenario: Real-time tracking of +12V, +5V, +3.3V, and +1.8V rails in rack-mounted servers with automatic fault logging. IC Role / Device Role / Timing Role: System monitor ADC performing autonomous window-comparison on four independent analog inputs; asserts INT on out-of-tolerance condition. Use Value: Reduces host processor polling load by >90% and enables sub-millisecond fault response without firmware intervention. |
Use Scenario: Continuous monitoring of Li-ion battery pack voltage, temperature (via thermistor), charge current, and system supply in portable ultrasound units. IC Role / Device Role / Timing Role: Precision 12-bit ADC with bipolar capability for differential current-sense amplifier outputs and unipolar mode for voltage/temperature channels. Use Value: Single-chip solution replaces discrete comparator + ADC + logic; meets IEC 60601-1 leakage and accuracy requirements. |
| Industrial PLC Analog Input Module | High-Reliability Telecom Power Supply |
Use Scenario: Digitizing 4× 0–10V industrial sensor signals (pressure, flow, level) with built-in overvoltage protection and diagnostic flagging. IC Role / Device Role / Timing Role: Configurable 4-channel ADC supporting both single-ended and differential acquisition; uses external reference for improved noise immunity. Use Value: Eliminates need for external op-amp buffers and reference ICs-reducing BOM count and board area by 35%. |
Use Scenario: Monitoring +48V primary, +12V intermediate, +5V logic, and -48V bias rails in telecom rectifiers with redundant fail-safe alerts. IC Role / Device Role / Timing Role: Fault-tolerant supervisor using dual-threshold window comparator per channel and alarm-status register for root-cause analysis. Use Value: Enables predictive maintenance via historical threshold violation logging-reducing unplanned downtime by 22% in field deployments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar system-monitoring ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1363EUB+ | 2.048V internal reference; 2.7V–3.6V supply; identical pinout and register map | Targeted for 3.3V systems (e.g., embedded controllers, IoT edge nodes) | Select when operating from 3.3V supply and requiring lower full-scale range for 10-bit-equivalent resolution |
| ADS7953IRHBT | 12-bit SAR ADC with SPI interface, no integrated window comparator or SMBus alert | Requires external microcontroller for threshold evaluation and interrupt generation | Choose when higher throughput (1MSPS) is needed and host firmware can handle real-time monitoring logic |
Compared with MAX1363EUB+, the MAX1364EUB+ provides higher full-scale reference (4.096V vs. 2.048V) and wider supply range (4.5–5.5V vs. 2.7–3.6V), making it optimal for 5V industrial and telecom power systems; versus ADS7953IRHBT, it trades SPI speed for autonomous hardware monitoring and I²C system integration.
Availability
MAX1364EUB+ is available at Aetrix Electronics and suitable for server power management, medical battery supervision, and industrial PLC analog input modules requiring stable component supply across extended temperature and long production lifecycles.
Supply support for MAX1364EUB+ 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 MAX1363/MAX1364 family was designed specifically for autonomous system-level monitoring in space-constrained, low-power applications-integrating ADC, reference, comparator, and I²C interface into a single 10-pin µMAX package.
FAQ
What is the maximum sampling rate of the MAX1364EUB+ in monitor mode?
The MAX1364EUB+ achieves a maximum sampling rate of 133ksps in monitor mode, where conversions occur autonomously without host readback. This rate is enabled by internal clocking and optimized for fast fault detection in power-supply supervision applications. The MAX1364EUB+ maintains this throughput while consuming only 436µA, making it suitable for always-on monitoring circuits.
Does the MAX1364EUB+ support differential input configurations?
Yes, the MAX1364EUB+ supports fully differential input operation on two channels (e.g., AIN0–AIN1, AIN2–AIN3) with software-selectable bipolar range (±VREF/2). In differential mode, it delivers 12-bit resolution and ±1 LSB INL/DNL performance. The device also supports four single-ended inputs, and all configurations are set via the SE/DIF bit in the setup byte.
Can the MAX1364EUB+ operate with an external reference voltage?
Yes, the MAX1364EUB+ accepts an external reference voltage from 1V to VDD applied at the AIN3/VREF pin. When using an external reference, the device requires ≤500Ω source impedance and benefits from a 0.1µF bypass capacitor placed close to the pin. The MAX1364EUB+ maintains its 12-bit accuracy and ±1 LSB linearity specifications under these conditions.
How does the SMBus alert response work on the MAX1364EUB+?
The MAX1364EUB+ responds to SMBus ALERT# protocol by pulling the shared interrupt line low when a threshold violation occurs. The host controller then performs an Alert Response Address (ARA) cycle to identify the MAX1364EUB+ as the source. This hardware-assisted identification completes in under 10µs and eliminates software polling across multiple devices on the same bus.
What is the function of the A0 pin on the MAX1364EUB+?
The A0 pin on the MAX1364EUB+ selects one of two I²C slave address variants within each base address group. When A0 is tied to GND, the device uses addresses 0110100 (0x34) or 0110101 (0x35); when tied to VDD, it uses 0110110 (0x36) or 0110111 (0x37). This allows up to four MAX1364EUB+ devices on a single I²C bus without address conflict.
MAX1364EUB+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 12
- Sampling Rate (Per Second):
- 94.4k
- Number of Inputs:
- 2, 4
- Input Type:
- Differential, Single Ended
- Data Interface:
- I2C
- Configuration:
- MUX-S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- SAR
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 5V
- Features:
- Selectable Address
- Operating Temperature:
- -40°C ~ 85°C
- Supplier Device Package:
- 10-uMAX/uSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
MAX1364EUB+ FAQ
1.How can I place an order for MAX1364EUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1364EUB+ 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 MAX1364EUB+ reliable?
The price and inventory of MAX1364EUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1364EUB+ is usually 5 days.
3.What payment methods are accepted for MAX1364EUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1364EUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1364EUB+?
MAX1364EUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1364EUB+ 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 MAX1364EUB+?
For technical support, including MAX1364EUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1364EUB+ requirements.
6.How does Aetrix verify that MAX1364EUB+ is sourced from the original manufacturer or authorized distributors?
All MAX1364EUB+ 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 MAX1364EUB+ meets industry standards.
7.What is the process for return or replacement of MAX1364EUB+?
All MAX1364EUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1364EUB+, 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 MAX1364EUB+ part is unused and in its original packaging.
Return procedure for MAX1364EUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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