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Analog Devices Inc./Maxim Integrated MAX40005ANS02+T
- Part No.:
- MAX40005ANS02+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 4-XFBGA, WLBGA
- Datasheet:
-
MAX40005ANS02+T.pdf
- Description:
- IC COMPARATOR 1 W/VOLT REF 4WLP
- Quantity:
- Payment:
- Shipping:
Inventory:3,323
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Product details
Overview
MAX40005ANS02+T from Analog Devices is a nanoPower, inverting-input comparator with integrated 0.2V reference, push-pull output, and ultra-low 500nA supply current. It operates from 1.7V to 5.5V, supports input voltages from 0.1V to 5.5V (independent of supply), and is specified over –40°C to +125°C for automotive-grade reliability in space-constrained battery-powered systems.
For engineers reviewing the MAX40005ANS02+T datasheet, MAX40005ANS02+T pinout, MAX40005ANS02+T application, or MAX40005ANS02+T equivalent, this page delivers verified technical context, package-validated pin functions, real-world use cases in portable medical and instrumentation systems, and two confirmed alternative parts with documented functional and application-level differences.
Technical Context
The MAX40005ANS02+T implements an inverting-input architecture: its output asserts low when the input voltage exceeds the factory-trimmed 0.2V internal reference, and high when below it. Its input stage maintains high impedance even at VCC = 0V, enabling safe "always-on" monitoring in power-gated subsystems.
It features 8mV typical internal hysteresis for noise immunity, 9µs propagation delay (100mV overdrive), and push-pull output capable of sourcing 1mA (VOH ≥ VCC – 0.4V) and sinking 2mA (VOL ≤ 0.4V). RF immunity is enhanced by on-chip filtering and ESD-tolerant input design allowing VIN > VCC by several volts within absolute maximum limits.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 1.7V to 5.5V - compatible with 1.8V, 2.5V, 3.3V, and 5V logic rails without level shifting. |
| Quiescent Supply Current | 0.5µA typical - enables years of operation on coin-cell batteries in always-monitoring applications. |
| Internal Reference Voltage | 0.2V ±12mV (–40°C to +125°C) - factory-trimmed, temperature-compensated threshold for precise low-voltage detection. |
| Input Voltage Range | 0.1V to 5.5V independent of VCC - supports rail-to-rail sensing and overvoltage-tolerant inputs beyond supply. |
| Propagation Delay | 9µs (high-to-low), 25µs (low-to-high) at 100mV overdrive - ensures fast response for battery voltage monitoring and fault detection. |
| Operating Temperature | –40°C to +125°C - qualified for under-hood automotive, industrial, and extended-life portable medical devices. |
| Output Type | Push-pull - eliminates need for external pull-up resistor, simplifies interface to microcontroller GPIOs. |
Pinout & Package
MAX40005ANS02+T is packaged in a 4-bump wafer-level package (WLP) with 0.73mm × 0.73mm footprint and 0.35mm bump pitch. The WLP offers θJA = 104.41°C/W and is RoHS-compliant (+ suffix).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| A1 | OUT | Push-pull output: actively drives high/low; no external pull-up required; sinks 2mA / sources 1mA. |
| A2 | IN | Inverting input: comparator triggers low when IN > VREF-INT (0.2V); high-impedance (>1GΩ) even at VCC = 0V. |
| B1 | VCC/REF | Supply input and reference node: accepts 1.7V–5.5V; bypass with 0.1µF capacitor to GND for stability. |
| B2 | GND | Analog ground reference: must be connected directly to system ground plane for accurate thresholding. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low power consumption | 0.5µA typical ICC enables multi-year battery life in wearable and implantable sensor nodes. |
| Integrated 0.2V reference | Factory-trimmed, temperature-stable threshold eliminates external reference IC and associated PCB area/cost. |
| Inverting input configuration | Directly supports "active-low alert" logic: output goes low upon over-threshold event (e.g., battery overvoltage). |
| Push-pull output | Reduces BOM count and layout complexity by removing external pull-up resistors required by open-drain comparators. |
| RF-immune input architecture | On-chip filtering and ESD-hardened input stage prevent false triggering from EMI in noisy portable environments. |
Applications
| Portable Medical Sensors | Low-Power Battery Monitoring |
|---|---|
|
Use Scenario: Detecting out-of-range physiological signals (e.g., ECG lead-off, SpO₂ saturation drop) in wearable patches. IC Role / Device Role / Timing Role: Inverting comparator with 0.2V reference monitors amplified sensor output; asserts low on fault condition. Use Value: NanoPower operation extends patch runtime beyond 7 days on a single CR2032; WLP footprint fits sub-10mm² form factor. |
Use Scenario: Monitoring lithium coin-cell voltage in Bluetooth LE beacons to trigger graceful shutdown before deep discharge. IC Role / Device Role / Timing Role: Threshold detector comparing cell voltage against 0.2V scaled reference (via resistor divider) to detect <2.0V. Use Value: 500nA quiescent current adds negligible load; 9µs delay ensures timely shutdown before irreversible capacity loss. |
| Automotive Cabin Sensors | Industrial IoT Node Supervision |
|
Use Scenario: Detecting seat occupancy via capacitive sensing signal amplitude in automotive seat control modules. IC Role / Device Role / Timing Role: Inverting comparator compares sensed AC envelope against 0.2V reference to distinguish occupied/unoccupied states. Use Value: –40°C to +125°C rating ensures reliable operation across cabin temperature extremes; push-pull output interfaces directly to CAN transceiver enable pin. |
Use Scenario: Supervising backup supercapacitor voltage in smart meter power-fail circuitry to maintain RTC and memory during mains outage. IC Role / Device Role / Timing Role: Comparator monitors supercap voltage decay; triggers MCU interrupt when falling below 0.2V × (VCC ratio) threshold. Use Value: Input range up to 5.5V allows direct connection to 3.3V-supplied supercap stack; zero-current shutdown mode prevents leakage drain. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX40005AUK02+T | Same electrical specs but in 5-pin SOT23 package (larger footprint, higher θJA = 255.9°C/W). | Suitable for prototyping or layouts where WLP reflow capability is unavailable; less optimal for ultra-dense PCBs. | Select when manual assembly, test fixture compatibility, or thermal margin >100°C/W is prioritized over size. |
| TLV3691IDCKR | 0.4V internal reference, 320nA ICC, SC70-5 package; no inverting-input variant with 0.2V reference. | Lacks factory-trimmed 0.2V option; requires external resistor network to scale reference, increasing component count and error. | Choose only if 0.4V threshold suffices and SC70-5 is preferred over WLP/SOT23 for assembly infrastructure. |
Compared with MAX40005ANS02+T, the SOT23 alternative trades 0.73mm² board area for easier handling and soldering, while the TLV3691 requires external scaling to achieve 0.2V detection-adding tolerance stackup and reducing accuracy versus the factory-trimmed internal reference.
Availability
MAX40005ANS02+T is available at Aetrix Electronics and suitable for portable medical sensors, low-power battery monitoring, and automotive cabin sensors requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX40005ANS02+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 precision, industrial, automotive, and communications markets.
MAX40002–MAX40005 is part of Analog Devices' nanoPower comparator family, designed specifically for ultra-low-power, space-constrained applications in portable electronics and automotive systems where battery life and miniaturization are critical.
FAQ
What is the function of the IN pin on the MAX40005ANS02+T?
The IN pin on the MAX40005ANS02+T is the inverting input terminal. When the voltage applied to IN exceeds the internal 0.2V reference (VREF-INT), the push-pull output drives low; when IN falls below VREF-INT, the output drives high. This behavior enables direct implementation of active-low fault detection circuits without external inversion logic.
Does the MAX40005ANS02+T require an external pull-up resistor?
No, the MAX40005ANS02+T does not require an external pull-up resistor because it features a push-pull output stage. Unlike open-drain comparators, its output actively drives both high (up to VCC – 0.4V) and low (down to 0.4V), enabling direct connection to microcontroller GPIOs or logic inputs without additional components.
Can the MAX40005ANS02+T operate with a 1.8V supply?
Yes, the MAX40005ANS02+T is fully specified to operate from 1.7V to 5.5V, including 1.8V. At 1.8V supply, it maintains 0.2V internal reference accuracy, 500nA typical supply current, and functional input range from 0.1V to 1.8V - making it ideal for modern low-voltage microcontroller domains.
What is the maximum input voltage allowed on the IN pin of the MAX40005ANS02+T?
The MAX40005ANS02+T allows input voltages from 0.1V to 5.5V on the IN pin, independent of supply voltage. Absolute maximum rating permits –0.3V to +6V, enabling safe operation even when IN exceeds VCC by several volts - a key advantage over conventional comparators with input diode clamps.
Is the 0.2V internal reference on the MAX40005ANS02+T adjustable or user-configurable?
No, the 0.2V internal reference on the MAX40005ANS02+T is factory-trimmed and fixed. It is not adjustable or configurable by the user. The reference voltage is laser-trimmed during production to ensure ±12mV accuracy over –40°C to +125°C, eliminating the need for external trimming components or calibration routines.
MAX40005ANS02+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:
- with Voltage Reference
- Number of Elements:
- 1
- Output Type:
- Push-Pull
- Voltage - Supply, Single/Dual (±):
- 1.7V ~ 5.5V
- :
- 10mV @ 3.3V
- Voltage - Input Offset (Max):
- 0.03µA
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 1.1µA
- Current - Quiescent (Max):
- 70dB PSRR (Min)
- CMRR, PSRR (Typ):
- 9µs (Typ)
- Propagation Delay (Max):
- 8mV
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 4-WLP (0.73x0.73)
MAX40005ANS02+T FAQ
1.How can I place an order for MAX40005ANS02+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX40005ANS02+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 MAX40005ANS02+T reliable?
The price and inventory of MAX40005ANS02+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX40005ANS02+T is usually 5 days.
3.What payment methods are accepted for MAX40005ANS02+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX40005ANS02+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX40005ANS02+T?
MAX40005ANS02+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX40005ANS02+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 MAX40005ANS02+T?
For technical support, including MAX40005ANS02+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX40005ANS02+T requirements.
6.How does Aetrix verify that MAX40005ANS02+T is sourced from the original manufacturer or authorized distributors?
All MAX40005ANS02+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 MAX40005ANS02+T meets industry standards.
7.What is the process for return or replacement of MAX40005ANS02+T?
All MAX40005ANS02+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX40005ANS02+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 MAX40005ANS02+T part is unused and in its original packaging.
Return procedure for MAX40005ANS02+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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