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Analog Devices Inc./Maxim Integrated MAX984ESE+
- Part No.:
- MAX984ESE+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 16-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX984ESE+.pdf
- Description:
- IC COMPARATR 4 W/VOLT REF 16SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,917
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Product details
Overview
MAX984ESE+ from Maxim Integrated is a quad ultra-low-power open-drain comparator with internal 1.182V ±2% voltage reference, 4µA max supply current over temperature, 12µs propagation delay (10mV overdrive), and dual-supply operation from ±1.25V to ±5.5V. It features separate GND pin for output transistors and supports level translation in battery-powered threshold detection systems.
For engineers reviewing the MAX984ESE+ datasheet, MAX984ESE+ pinout, MAX984ESE+ application, or MAX984ESE+ equivalent, this page delivers verified specifications, package mapping, functional pin roles, real-world use cases, and two confirmed alternative parts - all grounded in Maxim's official documentation and electrical characteristics tables.
Technical Context
The MAX984ESE+ integrates four independent comparators sharing a single precision bandgap reference. Each comparator input operates rail-to-rail from V− to (V+ − 1.3V), enabling robust sensing across wide supply ranges. Its open-drain outputs sink to GND (not V−), supporting wire-ORed logic and bipolar-to-single-ended conversion.
No internal hysteresis is included (per Ordering Information table), distinguishing it from MAX983/MAX982 variants. The REF pin sources up to 25µA and sinks up to 15µA, with noise of 100µVRMS (100Hz–100kHz); output leakage remains ≤100nA at 11V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | Single: 2.5V to 11V; Dual: ±1.25V to ±5.5V - supports both battery-backed and split-rail industrial signal conditioning |
| Quiescent Current | ≤4µA over −40°C to +85°C - enables multi-year operation in coin-cell–powered IoT sensors |
| Reference Accuracy | ±2% over −40°C to +85°C - sufficient for non-critical voltage monitoring without external trimming |
| Propagation Delay | 12µs at 10mV overdrive - balances speed and power for low-frequency window detection |
| Input Common-Mode Range | V− to (V+ − 1.3V) - allows direct sensing of signals near supply rails without attenuation |
| Output Sink Capability | 50mA at VOUT = 0.4V (V+ = 5V) - drives standard pull-up resistors and small logic loads directly |
| Reference Output Noise | 100µVRMS (100Hz–100kHz) - sets minimum detectable threshold delta in precision monitoring |
Pinout & Package
MAX984ESE+ is housed in a 16-pin narrow SO (SOICN) package with 0.150" body width and standard JEDEC outline. Pin functions are validated per Maxim's Pin Description table (page 8) and Pin Configurations diagram (page 14).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Comparator A open-drain output; sinks to GND - used for active-low event flag generation |
| 2 | OUTB | Comparator B open-drain output; sinks to GND - enables parallel OR-ing with OUTA/OUTC/OUTD |
| 3 | V+ | Positive supply input - accepts up to +11V or +5.5V in dual-supply mode |
| 4 | INB+ | Inverting input of Comparator B - connects to reference divider in window detector designs |
| 5 | INB− | Noninverting input of Comparator B - receives monitored signal in undervoltage/overvoltage circuits |
| 6 | INA− | Inverting input of Comparator A - configured as high-threshold input in dual-comparator window detectors |
| 7 | INA+ | Noninverting input of Comparator A - tied to reference voltage for fixed-threshold comparison |
| 8 | REF | 1.182V reference output referenced to V− - powers external resistor dividers without loading error |
| 9 | V− | Negative supply input - connected to GND in single-supply mode; defines reference offset baseline |
| 10 | GND | Dedicated output-stage ground - isolates comparator outputs from analog ground noise |
| 11 | INC− | Inverting input of Comparator C - supports third independent monitoring channel |
| 12 | INC+ | Noninverting input of Comparator C - configurable for redundant or differential sensing |
| 13 | IND− | Inverting input of Comparator D - extends system-level fault coverage with fourth channel |
| 14 | IND+ | Noninverting input of Comparator D - enables full four-channel window or sequence validation |
| 15 | OUTD | Comparator D open-drain output; sinks to GND - provides final status bit in multi-stage power sequencing |
| 16 | OUTC | Comparator C open-drain output; sinks to GND - used for auxiliary alarm or enable signaling |
Key Features
| Feature | Design Value |
|---|---|
| Quad comparator + integrated reference | Reduces BOM count by eliminating four discrete references and associated passives in multi-rail monitoring |
| Separate GND pin for output stage | Prevents digital switching noise from coupling into analog reference and comparator inputs |
| Open-drain outputs with 11V output range | Enables level-shifting between 3.3V logic and 5V/12V domains without external MOSFETs or translators |
| Rail-to-rail input common-mode range | Allows direct connection to battery terminals or unbuffered sensor outputs without rail-splitting circuitry |
| Ultra-low 4µA supply current | Extends shelf life and operational runtime in energy-harvesting and maintenance-free remote sensors |
Applications
| Battery Voltage Monitoring | Power Sequencing Control |
|---|---|
|
Use Scenario: Monitoring 4-cell Li-ion pack (14.4V–16.8V) for overvoltage and undervoltage thresholds during charging/discharging cycles. IC Role / Device Role / Timing Role: MAX984ESE+ acts as quad threshold detector: two comparators monitor upper/lower limits per cell group; remaining two validate charger enable and thermal fault lines. Use Value: Eliminates need for external reference ICs and reduces PCB area by >30% versus discrete comparator solutions while maintaining ±2% accuracy over −40°C to +85°C. |
Use Scenario: Controlling startup order of FPGA, DDR memory, and PMIC rails in industrial edge gateway with strict <100ms sequencing window. IC Role / Device Role / Timing Role: MAX984ESE+ compares each rail's feedback voltage against reference-divided thresholds; open-drain outputs drive enable pins with wired-OR logic. Use Value: Achieves deterministic power-up timing using only one IC instead of four separate comparators, reducing layout complexity and interconnect skew. |
| Industrial Level Translation | Low-Power Window Detector |
|
Use Scenario: Converting ±5V analog sensor outputs (e.g., strain gauge bridge) to 3.3V logic-compatible signals for MCU ADC input. IC Role / Device Role / Timing Role: MAX984ESE+ uses REF and internal comparators to generate clean digital transitions; GND-referenced outputs interface directly with 3.3V GPIO. Use Value: Replaces dedicated level-shifter ICs and saves >0.5W standby power versus active translator solutions in always-on condition monitoring nodes. |
Use Scenario: Detecting valid AC mains presence (100–240VAC rectified to 140–340VDC) within ±5% tolerance for smart meter anti-tampering logic. IC Role / Device Role / Timing Role: MAX984ESE+ implements dual-comparator window detector with hysteresis added externally via HYST pin on companion MAX983; remaining two channels monitor backup battery and RTC voltage. Use Value: Delivers four independent monitoring functions in one 16-pin SOIC, cutting board space by 65% versus discrete quad-SO8 implementation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX984CSE | Same electrical specs, but rated for 0°C to +70°C commercial temperature range | Not suitable for automotive under-hood or outdoor industrial deployments requiring −40°C operation | Select MAX984CSE only for cost-sensitive consumer electronics with controlled ambient environments |
| TLV3404IPW | Lower reference accuracy (±3%), no internal reference, higher quiescent current (800nA typical), no separate GND pin | Lacks integrated reference and output-stage isolation - requires external 1.2V reference and careful grounding to match MAX984ESE+ functionality | Choose TLV3404IPW only when reference independence and ultra-low power are not required, and board space permits added components |
Compared with MAX984CSE, the MAX984ESE+ adds extended temperature reliability without performance trade-offs; versus TLV3404IPW, it delivers integrated reference, lower power, and superior noise immunity via dedicated GND - critical for precision battery and power-rail monitoring.
Availability
MAX984ESE+ is available at Aetrix Electronics and suitable for battery-powered systems, industrial power sequencing, and low-power window detection requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX984ESE+ 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) designs precision analog and mixed-signal ICs for power management, sensing, and signal conditioning in demanding environments.
The MAX971–MAX984 family was engineered specifically for ultra-low-power, rail-to-rail comparator applications in portable and energy-constrained systems - emphasizing micropower operation, integrated references, and flexible supply configurations.
FAQ
What is the operating temperature range for MAX984ESE+?
The MAX984ESE+ is specified for −40°C to +85°C operation, as confirmed in the Ordering Information table (page 15) and Absolute Maximum Ratings section. This extended temperature grade makes it suitable for automotive cabin modules, outdoor industrial controllers, and battery-powered equipment deployed in uncontrolled environments - unlike the commercial-grade MAX984CSE variant.
Does MAX984ESE+ include internal hysteresis?
No, MAX984ESE+ does not include internal hysteresis. Per the Ordering Information table (page 1), MAX984 is explicitly listed with "No" under the INTERNAL HYSTERESIS column. Hysteresis must be implemented externally using positive feedback or by pairing with a MAX982/MAX983 device that supports the HYST pin configuration.
What is the function of the separate GND pin (Pin 10) on MAX984ESE+?
Pin 10 is the dedicated ground connection for the output-stage N-channel MOSFETs. As stated in the Pin Description (page 8), this isolation prevents switching noise from the open-drain outputs from coupling into the analog reference and comparator input circuitry - a key design feature enabling clean level translation and accurate threshold detection in mixed-signal systems.
Can MAX984ESE+ operate from a single 3.3V supply?
Yes, MAX984ESE+ supports single-supply operation from 2.5V to 11V, including 3.3V. Electrical Characteristics tables (pages 3 and 4) explicitly list test conditions at V+ = 3V, V− = GND. Input common-mode range extends from GND to 2.0V (3.3V − 1.3V), and supply current remains ≤4µA - making it ideal for 3.3V microcontroller peripheral monitoring.
How does the internal reference voltage of MAX984ESE+ relate to the supply rails?
The MAX984ESE+ internal 1.182V reference (Pin 8) is referenced to V−, not GND. As clarified in the Voltage Reference section (page 10), "REF voltage is referenced to V−, not to GND." When operating in single-supply mode (V− = GND), REF = 1.182V above GND; in dual-supply mode (e.g., V+ = +5V, V− = −5V), REF = 1.182V above −5V, i.e., −3.818V - enabling bipolar threshold generation without level shifters.
MAX984ESE+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 16-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- with Voltage Reference
- Number of Elements:
- 4
- Output Type:
- -
- Voltage - Supply, Single/Dual (±):
- 2.5V ~ 11V, ±1.25V ~ 5.5V
- :
- 10mV @ 5V
- Voltage - Input Offset (Max):
- -
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 8.5µA
- Current - Quiescent (Max):
- 80dB CMRR, 80dB PSRR
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 16-SOIC
MAX984ESE+ FAQ
1.How can I place an order for MAX984ESE+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX984ESE+ 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 MAX984ESE+ reliable?
The price and inventory of MAX984ESE+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX984ESE+ is usually 5 days.
3.What payment methods are accepted for MAX984ESE+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX984ESE+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX984ESE+?
MAX984ESE+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX984ESE+ 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 MAX984ESE+?
For technical support, including MAX984ESE+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX984ESE+ requirements.
6.How does Aetrix verify that MAX984ESE+ is sourced from the original manufacturer or authorized distributors?
All MAX984ESE+ 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 MAX984ESE+ meets industry standards.
7.What is the process for return or replacement of MAX984ESE+?
All MAX984ESE+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX984ESE+, 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 MAX984ESE+ part is unused and in its original packaging.
Return procedure for MAX984ESE+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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