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Analog Devices Inc./Maxim Integrated MAX1362EUB+
- Part No.:
- MAX1362EUB+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX1362EUB+.pdf
- Description:
- IC ADC 10BIT SAR 10UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:3,942
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Product details
Overview
MAX1362EUB+ from Maxim Integrated is a 10-bit, 4-channel, I²C-compatible analog-to-digital converter optimized for autonomous system monitoring. It integrates a programmable window comparator with interrupt output, SMBus alert response, internal 4.096V reference, and operates from a single 4.5V to 5.5V supply. Its monitor mode delivers 150ksps conversion without host interaction-used in high-reliability power supplies and server health supervision.
For engineers reviewing the MAX1362EUB+ datasheet, MAX1362EUB+ pinout, MAX1362EUB+ application, or MAX1362EUB+ equivalent, this page provides verified technical context, real-world design meanings of key specs (e.g., ±1 LSB INL, 436µA monitor-mode current), confirmed pin functions, and two validated alternative parts for system-monitoring ADC selection.
Technical Context
The MAX1362EUB+ uses successive-approximation architecture with fully differential track/hold circuitry and a software-configurable 4:1 analog multiplexer. Its monitor mode implements autonomous threshold violation detection using programmable upper/lower trip points stored in on-chip registers, with interrupt assertion via open-drain INT pin and SMBus alert response for multi-device bus arbitration.
It supports both internal (4.096V) and external (1V to VDD) references, and offers flexible input configuration: single-ended or fully differential across four channels, plus unipolar/bipolar operation. Conversion clocking is selectable between internal oscillator (2.8MHz) and external I²C clock up to 1.7MHz, enabling throughput rates of 94.4ksps (I²C-read-limited) or 150ksps (monitor-only).
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 10-bit - delivers 1024 discrete output codes for precise voltage monitoring in power rail supervision. |
| INL / DNL | ±1 LSB - ensures monotonicity and <0.1% full-scale linearity error critical for accurate threshold-based fault detection. |
| Supply Voltage | 4.5V to 5.5V - compatible with standard 5V industrial and server power domains without level-shifting. |
| Internal Reference | 4.096V - enables exact 1mV/LSB scaling (4.096V ÷ 1024) for intuitive code-to-voltage interpretation in unipolar mode. |
| Monitor Mode Current | 436µA at 150ksps - allows continuous high-speed health checking while consuming <2.2mW from 5V supply. |
| I²C Interface Speed | Up to 1.7MHz high-speed mode - reduces bus occupancy during periodic status reads in dense multi-sensor systems. |
| Operating Temperature | -40°C to +85°C - qualified for extended industrial and computing environments including server chassis hot zones. |
Pinout & Package
MAX1362EUB+ is housed in a 10-pin µMAX® package (3mm × 3mm, 0.5mm pitch), thermally enhanced for compact PCB layouts in space-constrained monitoring nodes.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (AIN0) | Analog Input Channel 0 | Single-ended or differential input; supports bipolar/unipolar conversion; absolute range GND to VDD. |
| 2 (AIN1) | Analog Input Channel 1 | Identical function to AIN0; shares same MUX and T/H circuitry; channel-selectable via configuration byte. |
| 3 (AIN2) | Analog Input Channel 2 | Third independent analog input; excluded from scan when AIN3/REF is configured as reference output (SEL[1:0]=11). |
| 4 (AIN3/VREF) | Configurable Terminal | Either fourth analog input or 4.096V reference output/input; requires 0.1µF decoupling when used as REF output. |
| 5 (A0) | I²C Address Select | Binary LSB of slave address; tied to GND or VDD to select one of four possible addresses (0110100–0110111). |
| 6 (INT) | Active-Low Interrupt Output | Open-drain signal asserted when any monitored channel exceeds programmed thresholds; supports wired-OR bus topology. |
| 7 (SCL) | I²C Clock Input | Accepts standard/fast/high-speed modes; doubles as conversion clock in external-clock mode (up to 1.7MHz). |
| 8 (SDA) | I²C Data I/O | Bi-directional serial data line; includes integrated noise filtering to suppress >50ns spikes per I²C spec. |
| 9 (GND) | Analog/Digital Ground | Common return for analog inputs, reference, and digital interface; must be low-impedance plane for <1 LSB noise performance. |
| 10 (VDD) | Positive Supply | 4.5V–5.5V single supply; requires local 0.1µF ceramic bypass capacitor to GND per layout guidelines. |
Key Features
| Feature | Design Value |
|---|---|
| Programmable Window Comparator | Enables autonomous fault detection without CPU polling-reduces firmware overhead and improves system responsiveness to overvoltage/undervoltage events. |
| SMBus Alert Response | Allows microcontroller to identify MAX1362EUB+ as interrupt source on shared bus within one clock cycle, eliminating sequential device polling delays. |
| Scan Modes with On-Chip RAM | Supports eight conversions on one channel or round-robin scanning of up to four channels-minimizes I²C transaction count per monitoring cycle. |
| AutoShutdown™ Power Management | Reduces idle current to <0.5µA-enables always-on monitoring in battery-backed or energy-sensitive subsystems. |
| Flexible Input Configuration | Software-selectable single-ended/differential and unipolar/bipolar operation per channel-adapts to diverse sensor types (e.g., current shunts, thermistors, voltage dividers). |
Applications
| Server Power Rail Monitoring | Industrial PLC Analog Input Module |
|---|---|
Use Scenario: Real-time tracking of +12V, +5V, +3.3V, and +1.8V rails in dual-socket server motherboards. IC Role / Device Role / Timing Role: Autonomous ADC with programmable trip thresholds triggers immediate INT assertion on out-of-spec conditions, feeding fault status to BMC via SMBus. Use Value: Eliminates need for dedicated supervisor ICs; 4.096V reference enables direct mV-per-code interpretation; 150ksps monitor rate captures transient droop/surge events missed by slower ADCs. |
Use Scenario: Digitizing four 4–20mA loop signals or ±10V sensor outputs in modular I/O backplanes. IC Role / Device Role / Timing Role: Configured in fully differential bipolar mode to reject common-mode noise on long field wiring; INT pin signals process alarms to PLC CPU. Use Value: ±1 LSB INL ensures <0.1% measurement accuracy across temperature; 5MHz analog bandwidth supports anti-aliasing filter design for 1kHz control loops. |
| Medical Power Supply Health Check | Telecom Line Card Voltage Supervision |
Use Scenario: Continuous monitoring of isolated DC-DC converter outputs powering imaging sensors and analog front-ends in diagnostic equipment. IC Role / Device Role / Timing Role: Operates in low-power monitor mode (436µA) with 10ms programmable interval-detects gradual drift or sudden failure without loading sensitive analog sections. Use Value: Internal 4.096V reference eliminates external precision reference cost and board area; -40°C to +85°C rating covers clinical environment thermal extremes. |
Use Scenario: Supervising bias voltages (+48V, -48V, +12V, +5V) on carrier-grade line cards subject to lightning-induced transients. IC Role / Device Role / Timing Role: Uses internal protection diodes (GND–0.3V to VDD+0.3V) to survive ESD events; INT output drives FPGA interrupt controller for rapid fault isolation. Use Value: 436µA monitor-mode current enables always-on supervision without compromising thermal budget; SMBus alert avoids bus contention in multi-ADC card designs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar system-monitoring ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1364EUB+ | 12-bit resolution, same pinout/package, identical interface and monitor functionality; higher 4.096V reference accuracy (±0.1% vs ±0.5%). | Required where <0.025% full-scale accuracy is mandated (e.g., calibration-grade power supplies); adds 2 extra bits but increases cost and power slightly. | Select MAX1364EUB+ only if 12-bit resolution and tighter reference tolerance are essential; otherwise MAX1362EUB+ offers optimal cost/performance for general-purpose monitoring. |
| ADS7828IPW | 12-bit, 8-channel, I²C ADC; no integrated window comparator or SMBus alert; requires external logic or host polling for threshold detection. | Suitable for manual readout or host-controlled sampling; lacks autonomous interrupt capability-unsuitable for true "set-and-forget" monitoring. | Choose ADS7828IPW only when channel count >4 is needed and host CPU can handle polling; avoid when autonomous fault response is required. |
Compared with MAX1364EUB+, MAX1362EUB+ trades 2 bits of resolution for lower cost and reduced power in monitor mode; compared with ADS7828IPW, it delivers hardware-accelerated fault detection but with fewer channels-making it ideal for compact, interrupt-driven 4-channel supervision.
Availability
MAX1362EUB+ is available at Aetrix Electronics and suitable for server power rail monitoring, industrial PLC analog input modules, medical power supply health checks, and telecom line card voltage supervision requiring stable component supply across extended temperature ranges.
Supply support for MAX1362EUB+ 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) is a semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, computing, and communications markets.
The MAX136x family was designed specifically for intelligent, low-power system monitoring-integrating ADC, reference, comparator, and I²C interface into a single chip to replace discrete supervisory solutions in space- and power-constrained applications.
FAQ
What is the maximum sampling rate of the MAX1362EUB+ in monitor mode?
The MAX1362EUB+ achieves 150ksps in monitor mode when operating without reading conversion results over I²C. This high rate enables detection of fast transients such as power rail droop or surge events in server and telecom applications. The 150ksps rate is sustained at 436µA supply current with internal reference enabled and VDD = 5V.
Does the MAX1362EUB+ support differential input configurations?
Yes, the MAX1362EUB+ supports fully differential input operation on all four channels via software configuration (SE/DIF bit = 0). In differential mode, it measures the voltage difference between paired inputs (e.g., AIN0–AIN1), providing common-mode noise rejection and bipolar range (±VREF/2) operation-critical for precision current sensing and sensor interfaces.
How does the SMBus alert response work on the MAX1362EUB+?
The MAX1362EUB+ responds to SMBus ALERT# signaling by pulling its open-drain INT pin low and asserting the SMBus alert response protocol. When multiple devices share an interrupt line, the host microcontroller issues an SMBus Alert Response Address (ARA) command; only the MAX1362EUB+ that triggered the interrupt replies with its 7-bit address, enabling immediate identification without polling.
Can the MAX1362EUB+ use an external reference voltage?
Yes, the MAX1362EUB+ accepts an external reference voltage from 1V to VDD applied to the AIN3/VREF pin. When using external reference, the device requires ≤500Ω source impedance and benefits from a 0.1µF bypass capacitor. External reference mode supports applications needing custom full-scale ranges or higher accuracy than the internal 4.096V reference (±0.5%).
What is the purpose of the A0 pin on the MAX1362EUB+?
The A0 pin sets the least significant bit of the I²C slave address, allowing up to four MAX1362EUB+ devices on the same bus. When A0 = GND, address is 0110100 (0x34); when A0 = VDD, address is 0110101 (0x35)-matching the ordering information table. This enables scalable multi-rail monitoring without address conflicts.
MAX1362EUB+ 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:
- 10
- 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:
- -
MAX1362EUB+ FAQ
1.How can I place an order for MAX1362EUB+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX1362EUB+ 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 MAX1362EUB+ reliable?
The price and inventory of MAX1362EUB+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX1362EUB+ is usually 5 days.
3.What payment methods are accepted for MAX1362EUB+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX1362EUB+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX1362EUB+?
MAX1362EUB+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX1362EUB+ 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 MAX1362EUB+?
For technical support, including MAX1362EUB+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX1362EUB+ requirements.
6.How does Aetrix verify that MAX1362EUB+ is sourced from the original manufacturer or authorized distributors?
All MAX1362EUB+ 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 MAX1362EUB+ meets industry standards.
7.What is the process for return or replacement of MAX1362EUB+?
All MAX1362EUB+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX1362EUB+, 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 MAX1362EUB+ part is unused and in its original packaging.
Return procedure for MAX1362EUB+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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