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Analog Devices Inc./Maxim Integrated MAX40003ANS12+T
- Part No.:
- MAX40003ANS12+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 4-XFBGA, WLBGA
- Datasheet:
-
MAX40003ANS12+T.pdf
- Description:
- IC COMPARATOR 1 GEN PUR 4WLP
- Quantity:
- Payment:
- Shipping:
Inventory:1,247
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Product details
Overview
The MAX40003ANS12+T from Analog Devices is a nanoPower, inverting-input comparator with integrated 1.222V precision reference, open-drain output, and ultra-low 500nA supply current. It operates from 1.7V to 5.5V, supports input voltages up to 5.5V independent of supply, and is specified over –40°C to +125°C for automotive and portable industrial applications such as battery voltage monitoring and low-power wake-up detection.
For engineers reviewing the MAX40003ANS12+T datasheet, MAX40003ANS12+T pinout, MAX40003ANS12+T application, or MAX40003ANS12+T equivalent, key selection criteria include its factory-trimmed 1.222V internal reference accuracy (±27mV over –40°C to +85°C), 9µs propagation delay at 100mV overdrive, 8mV internal hysteresis, and compatibility with 0.73mm × 0.73mm WLP packaging for space-constrained designs.
Technical Context
This device implements an inverting-input comparator architecture with rail-to-rail input capability extending 0.1V below GND and up to 5.5V - independent of VCC - enabled by ESD-diode-free input stage design. Its internal 1.222V reference is temperature-compensated and factory-trimmed, eliminating external reference components while maintaining ±27mV max offset over –40°C to +85°C.
The open-drain output supports level-shifting across supply domains up to 5.5V, requiring only an external pullup resistor. Input leakage remains ≤30nA (–40°C to +85°C) with VCC = 0V, enabling true power-down isolation in battery-backed systems. RF immunity is enhanced via on-chip filtering and high-impedance inputs during shutdown.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.7V to 5.5V - enables direct operation from common logic rails (1.8V/2.5V/3.3V/5V) without LDO. |
| Supply Current (typ) | 500nA at TA = +25°C - extends battery life in always-on monitoring circuits (e.g., tamper detection). |
| Internal Reference Voltage | 1.222V (factory-trimmed) - eliminates external reference IC or resistor divider, saving PCB area and BOM cost. |
| Propagation Delay | 9µs at 100mV overdrive - provides fast response for low-power threshold detection without compromising current draw. |
| Input Voltage Range | 0.1V to 5.5V (independent of VCC) - allows direct sensing of signals exceeding supply voltage (e.g., battery voltage > VCC). |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive, industrial sensors, and extended-range portable equipment. |
| Input Hysteresis (typ) | 8mV - suppresses noise-induced false triggering in noisy environments without external feedback components. |
Pinout & Package
MAX40003ANS12+T uses a 4-bump wafer-level package (WLP) with 0.73mm × 0.73mm footprint and 0.35mm pitch. The package is RoHS-compliant and marked "+T".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | OUT | Open-drain output - requires external pullup; sinks current when VIN > VREF_INT (inverting logic); compatible with 1.7V–5.5V logic levels. |
| A2 | IN | Inverting input - asserts low output when input voltage exceeds 1.222V reference; supports rail-to-rail input down to 0.1V. |
| B1 | VCC/REF | Supply and reference input - powers device and sources internal 1.222V reference; bypass with 0.1µF capacitor to GND. |
| B2 | GND | Analog ground - common return for supply, reference, and signal paths; must be low-impedance for stable reference operation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 500nA typical - enables multi-year operation on coin-cell batteries in IoT endpoint sensors. |
| Factory-trimmed internal reference | 1.222V ±27mV (–40°C to +85°C) - removes need for external precision reference, reducing component count and layout complexity. |
| Rail-to-rail input beyond supply | 0.1V to 5.5V input range regardless of VCC - permits direct monitoring of battery or sensor signals exceeding MCU supply voltage. |
| Power-down input isolation | <30nA input leakage at VCC = 0V - prevents backfeeding or loading of source circuitry during system sleep modes. |
| On-chip RF filtering | Integrated input-stage filtering - mitigates EMI-induced false triggering in compact handheld or automotive PCB layouts. |
Applications
| Battery Voltage Monitor | Low-Power Wake-Up Detector |
|---|---|
|
Use Scenario: Monitoring Li-ion battery voltage to trigger shutdown before deep discharge in portable medical devices. IC Role / Device Role / Timing Role: Inverting comparator compares battery voltage against 1.222V reference scaled via resistive divider; asserts low output when voltage drops below threshold. Use Value: 500nA supply current minimizes self-discharge; 1.222V reference enables precise 3.0V or 3.3V cutoff using standard resistor ratios. |
Use Scenario: Detecting motion-triggered IR signal edges in battery-powered security sensors. IC Role / Device Role / Timing Role: Inverting comparator converts analog IR detector output into clean digital pulse; open-drain output interfaces directly to microcontroller interrupt pin. Use Value: 9µs propagation delay ensures timely wake-up; 8mV internal hysteresis rejects ambient light noise without external components. |
| Automotive Cabin Sensor | Portable Instrumentation Threshold Alert |
|
Use Scenario: Detecting seat occupancy via capacitive sensing in automotive seats operating across –40°C to +125°C. IC Role / Device Role / Timing Role: Inverting comparator compares conditioned sensor output to 1.222V reference; drives CAN transceiver enable line upon threshold crossing. Use Value: AEC-Q100-grade temperature range and 0.1V–5.5V input support direct connection to unbuffered sensor outputs in harsh environments. |
Use Scenario: Providing over-temperature alert in handheld multimeters using thermistor-based voltage divider. IC Role / Device Role / Timing Role: Inverting comparator monitors thermistor divider output; open-drain output pulls low to illuminate LED or flag MCU when temperature exceeds setpoint. Use Value: Internal 1.222V reference eliminates calibration drift from external references; 500nA current preserves battery runtime during continuous monitoring. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX40003AUK12+T | Same electrical specs but in 5-pin SOT23 package (larger 2.9mm × 1.6mm footprint vs. WLP's 0.73mm × 0.73mm). | Suitable for prototyping or manual assembly where WLP reflow is unavailable; same 1.222V reference and inverting/open-drain behavior. | Select when board-level rework, hand-soldering, or thermal margin (θJA = 255.9°C/W vs. WLP's 104.41°C/W) is prioritized over size. |
| TLV3691IDCKR | 0.9V internal reference (not 1.222V); 600nA supply current; 15µs propagation delay; SOT23-5 package. | Lacks automotive temp range (only –40°C to +125°C for some variants; verify specific part); no 1.222V option. | Choose only if 0.9V threshold suffices and SOT23 assembly is mandatory; not drop-in due to reference mismatch and slower response. |
Compared with MAX40003ANS12+T, the MAX40003AUK12+T offers identical functionality in a larger, more manufacturable package, while TLV3691IDCKR provides a lower-reference alternative with higher current and slower timing - neither is pin-compatible, and both require schematic and layout changes.
Availability
MAX40003ANS12+T is available at Aetrix Electronics and suitable for battery voltage monitoring, low-power wake-up detection, automotive cabin sensing, and portable instrumentation requiring stable component supply across extended temperature ranges.
Supply support for MAX40003ANS12+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 semiconductors, serving industrial, automotive, communications, and healthcare markets.
The MAX4000x family was designed specifically for ultra-low-power, space-constrained portable and automotive applications demanding nanoscale packaging, sub-µA operation, and integrated precision references - eliminating external components without sacrificing performance.
FAQ
What is the internal reference voltage of the MAX40003ANS12+T?
The MAX40003ANS12+T features a factory-trimmed internal reference voltage of 1.222V, specified with ±27mV maximum offset over –40°C to +85°C and ±37mV over –40°C to +125°C. This reference is used as the switching threshold for the inverting comparator and eliminates the need for external reference components in most threshold-detection applications.
Does the MAX40003ANS12+T support operation below 1.8V supply?
Yes, the MAX40003ANS12+T operates from 1.7V to 5.5V, making it fully functional at 1.7V - the minimum rated supply voltage. At 1.7V, it maintains 500nA typical supply current and retains full input voltage range (0.1V to 5.5V), enabling reliable use in single-cell Li-ion or alkaline battery systems where voltage sags below 1.8V.
Is the MAX40003ANS12+T pin-compatible with other MAX4000x comparators?
No - the MAX40003ANS12+T uses a 4-bump WLP package with unique pinout (A1=OUT, A2=IN, B1=VCC/REF, B2=GND). It is not pin-compatible with SOT23 variants like MAX40003AUK12+T, nor with non-inverting or push-pull versions. Pin mapping and functionality differ across the MAX4000x family based on input polarity and output type.
Can the MAX40003ANS12+T interface directly with a 5V microcontroller GPIO?
Yes - the open-drain output of the MAX40003ANS12+T supports pullup voltages up to 5.5V. When paired with a 5V pullup resistor, the output swings rail-to-rail between 0V (sinking) and 5V (high-impedance), allowing direct, level-shifted interfacing with 5V-tolerant microcontroller inputs without additional logic buffers.
What is the propagation delay of the MAX40003ANS12+T under typical conditions?
The MAX40003ANS12+T exhibits a typical propagation delay of 9µs when driven with 100mV overdrive (i.e., input 100mV beyond the 1.222V threshold), measured from input transition to 50% output swing. Delay increases to ~45µs at 20mV overdrive and varies slightly with supply voltage and temperature - full characterization is provided in the datasheet's Typical Operating Characteristics section.
MAX40003ANS12+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 4-XFBGA, WLBGA
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 1
- Output Type:
- Open-Drain
- Voltage - Supply, Single/Dual (±):
- 1.7V ~ 5.5V
- :
- 27mV @ 3.3V
- Voltage - Input Offset (Max):
- 0.09µA @ 3.3V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 1.3µA
- Current - Quiescent (Max):
- 45dB PSRR (Min)
- CMRR, PSRR (Typ):
- 55µs (Typ)
- Propagation Delay (Max):
- 8mV
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 4-WLP (0.73x0.73)
MAX40003ANS12+T FAQ
1.How can I place an order for MAX40003ANS12+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX40003ANS12+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 MAX40003ANS12+T reliable?
The price and inventory of MAX40003ANS12+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX40003ANS12+T is usually 5 days.
3.What payment methods are accepted for MAX40003ANS12+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX40003ANS12+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX40003ANS12+T?
MAX40003ANS12+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX40003ANS12+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 MAX40003ANS12+T?
For technical support, including MAX40003ANS12+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX40003ANS12+T requirements.
6.How does Aetrix verify that MAX40003ANS12+T is sourced from the original manufacturer or authorized distributors?
All MAX40003ANS12+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 MAX40003ANS12+T meets industry standards.
7.What is the process for return or replacement of MAX40003ANS12+T?
All MAX40003ANS12+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX40003ANS12+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 MAX40003ANS12+T part is unused and in its original packaging.
Return procedure for MAX40003ANS12+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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