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Analog Devices Inc./Maxim Integrated MAX9093AUA+T
- Part No.:
- MAX9093AUA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Datasheet:
-
MAX9093AUA+T.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8UMAX
- Quantity:
- Payment:
- Shipping:
Inventory:4,013
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Product details
Overview
MAX9093AUA+T from Maxim Integrated is a dual-channel, low-voltage comparator IC with internal 2mV hysteresis, open-drain outputs, and operation from +1.8V to +5.5V supply. It delivers 100ns propagation delay (at 100mV overdrive), 65µA per channel supply current at 5V, and input common-mode range extending to ground-designed for precision threshold detection in battery-powered portable systems.
For engineers reviewing the MAX9093AUA+T datasheet, MAX9093AUA+T pinout, MAX9093AUA+T application, or MAX9093AUA+T equivalent, key selection criteria include guaranteed automotive temperature range (-40°C to +125°C), noise-immune hysteresis, rail-to-rail input capability, and SOT23/μMAX package compatibility with space-constrained PCB layouts.
Technical Context
The MAX9093AUA+T implements a BiCMOS process-based dual comparator architecture with independent inputs and open-drain outputs, enabling flexible pull-up configuration and wired-OR logic. Its internal hysteresis is fixed at 2mV and non-adjustable, eliminating external feedback components while ensuring stable switching against slow-moving or noisy signals.
Input stage design supports common-mode voltage down to -0.1V below VSS (ground) and up to VDD – 0.8V, with no phase reversal under overdrive. Output saturation voltage remains ≤120mV at 1mA sink current, and PSRR reaches 90dB across 1.8V–5.5V supply range-critical for mixed-signal environments with noisy power rails.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | +1.8V to +5.5V - enables direct interface with Li-ion, 3.3V, and 5V logic domains without level shifting |
| Propagation Delay | 100ns (tPLH/tPHL, 100mV overdrive) - supports >1MHz signal monitoring in real-time control loops |
| Input Offset Voltage | 0.4mV (min), 7mV (max) - ensures accurate threshold detection within ±10mV windows |
| Hysteresis | 2mV (internal, fixed) - suppresses chatter on slow edges (e.g., thermistor or battery voltage ramps) |
| Supply Current | 130µA (typ, both channels @ +5V) - extends battery life in always-on sensing nodes |
| Input Common-Mode Range | -0.1V to VDD – 0.8V - allows ground-referenced inputs and high-side sensing without bias networks |
| Output Type | Open-drain - permits flexible voltage translation and multi-comparator wired-OR outputs |
Pinout & Package
MAX9093AUA+T is housed in an 8-pin μMAX® package (pin-compatible with SOT23-8), measuring 3mm × 3mm × 0.8mm with exposed pad for thermal enhancement. The μMAX footprint supports high-density routing and improved thermal dissipation vs. standard SOT23.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTA | Open-drain output of Comparator A - requires external pull-up; sinks up to 16mA |
| 2 | INA− | Inverting input of Comparator A - accepts signals down to −0.1V relative to VSS |
| 3 | INA+ | Noninverting input of Comparator A - supports rail-to-rail common-mode range |
| 4 | VSS | Negative supply terminal (GND) - reference for all inputs and outputs |
| 5 | INB+ | Noninverting input of Comparator B - electrically isolated from INA±; enables dual independent thresholds |
| 6 | INB− | Inverting input of Comparator B - no phase reversal when overdriven beyond common-mode limits |
| 7 | OUTB | Open-drain output of Comparator B - independently configurable pull-up voltage |
| 8 | VDD | Positive supply (1.8V–5.5V) - powers both comparators; bypassing with 0.1µF capacitor required |
Key Features
| Feature | Design Value |
|---|---|
| Internal 2mV hysteresis | Eliminates need for external positive feedback resistors in noise-prone applications like battery voltage monitoring |
| −40°C to +125°C operating range | Qualified for under-hood automotive and industrial edge sensor nodes without derating |
| 65µA/channel supply current @ 5V | Reduces quiescent power by >40% vs. legacy LMX393, critical for coin-cell or energy-harvesting systems |
| No phase reversal on overdrive | Prevents false triggering when inputs exceed common-mode limits-essential for fault-detection circuits |
| Low 120mV output saturation voltage | Minimizes voltage drop in high-current sinking (e.g., driving LEDs or MOSFET gates directly) |
Applications
| Battery Voltage Monitoring | Portable Device Power Sequencing |
|---|---|
Use Scenario: Detecting low-battery condition (<3.0V) and full-charge threshold (>4.2V) in USB-C PD power banks. IC Role / Device Role / Timing Role: Dual comparator providing independent high/low voltage trip points with hysteresis to prevent oscillation during gradual discharge. Use Value: Enables precise state-of-charge estimation using only two resistive dividers and no microcontroller intervention. |
Use Scenario: Enabling system power rails in strict sequence (e.g., VCC_IO before VCC_CORE) during cold start in handheld medical devices. IC Role / Device Role / Timing Role: Comparator A monitors VCC_IO regulator output; Comparator B monitors VCC_CORE enable signal-both drive enable pins via open-drain outputs. Use Value: Guarantees safe power-up timing without external timers or FPGA logic, reducing BOM count and layout area. |
| Industrial Sensor Threshold Detection | USB OTG Host Negotiation |
Use Scenario: Converting analog output from a 4–20mA pressure transducer into digital alarm signals for PLC I/O modules. IC Role / Device Role / Timing Role: Comparator A detects overpressure (≥18mA), Comparator B detects underpressure (≤5mA); both outputs feed optocouplers. Use Value: Achieves <100ns response to fast transients while rejecting EMI-induced noise on long sensor cables. |
Use Scenario: Detecting ID pin state (grounded vs. floating) and VBUS presence to determine USB device/host mode in dual-role OTG controllers. IC Role / Device Role / Timing Role: Comparator A senses ID pin voltage against 1.2V reference; Comparator B monitors VBUS >4.0V-outputs drive GPIOs of USB controller. Use Value: Provides deterministic mode selection within 200ns of cable insertion, meeting USB 2.0 OTG timing requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LMX393HMM/NOPB | No internal hysteresis; higher 120µA/channel supply current; wider 2.0V–36V supply range | Suitable for high-voltage industrial sensors but requires external hysteresis network for noise immunity | Select when operating above 5.5V or needing extended common-mode range beyond rail-to-rail |
| TLV3702IDR | Lower 55µA/channel supply current; 1.8V–16V supply; no internal hysteresis; push-pull output option | Better for ultra-low-power IoT nodes but lacks integrated hysteresis-requires PCB redesign for noise-critical use | Choose when minimizing active current is primary and external hysteresis can be accommodated |
Compared with LMX393HMM/NOPB and TLV3702IDR, the MAX9093AUA+T uniquely combines guaranteed 2mV hysteresis, automotive temperature rating, and μMAX packaging in a single 8-pin solution-reducing component count and layout complexity where noise immunity and space constraints are dominant.
Availability
MAX9093AUA+T is available at Aetrix Electronics and suitable for battery-powered electronics, portable medical devices, and automotive body-control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX9093AUA+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
Maxim Integrated (now part of Analog Devices) designs precision analog and mixed-signal ICs for demanding industrial, automotive, and communications applications.
The MAX9093AUA+T belongs to the MAX909x family of general-purpose, low-voltage comparators engineered for space-constrained, battery-operated systems requiring noise immunity, wide supply range, and guaranteed performance across automotive temperatures.
FAQ
What is the maximum operating supply voltage for MAX9093AUA+T?
The absolute maximum supply voltage (VDD to VSS) for MAX9093AUA+T is +6V, but the guaranteed operational range is +1.8V to +5.5V. Operating beyond +5.5V voids parametric guarantees-including offset voltage, propagation delay, and hysteresis-and risks permanent damage per Absolute Maximum Ratings. For reliable long-term function, maintain VDD ≤ +5.5V in all conditions.
Does MAX9093AUA+T support rail-to-rail input operation?
MAX9093AUA+T supports input common-mode voltage from −0.1V below VSS (ground) to VDD − 0.8V-not full rail-to-rail. This means it accepts grounded inputs and signals near VDD, but cannot reliably process inputs within 0.8V of VDD. For true rail-to-rail input, consider alternatives like the TLV3702, though MAX9093AUA+T's −0.1V extension below ground enables unique single-supply sensor interfacing.
Can MAX9093AUA+T replace LM393 in existing designs?
Yes-MAX9093AUA+T is explicitly designed as a pin-for-pin compatible replacement for LM393 variants (LMX393/LMX393H). It matches the 8-pin μMAX/SOT23 footprint and offers identical pin functions. Key upgrades include internal 2mV hysteresis, lower supply current (65µA vs. ~500µA), and guaranteed −40°C to +125°C operation-requiring no PCB changes but delivering improved noise immunity and efficiency.
What is the purpose of the internal hysteresis in MAX9093AUA+T?
The internal 2mV hysteresis in MAX9093AUA+T creates distinct upper and lower switching thresholds, preventing output oscillation when input signals hover near the trip point-common with slow-moving sources like thermistors or battery voltages. This eliminates the need for external positive-feedback resistors, simplifying design and improving reliability in EMI-prone environments without sacrificing response speed.
Is MAX9093AUA+T RoHS compliant and lead-free?
Yes-MAX9093AUA+T carries the "+" suffix, which denotes a lead(Pb)-free and RoHS-compliant μMAX package per Maxim Integrated's ordering information table. The device meets JEDEC J-STD-020 moisture sensitivity level 1 (MSL-1) and is qualified for reflow soldering at peak temperatures up to +260°C, supporting standard Pb-free assembly processes without derating.
MAX9093AUA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- Open-Drain
- Voltage - Supply, Single/Dual (±):
- 1.8V ~ 5.5V
- :
- 7mV @ 5V
- Voltage - Input Offset (Max):
- 0.25µA @ 5V
- Current - Input Bias (Max):
- 35mA @ 5V
- Current - Output (Typ):
- 200µA
- Current - Quiescent (Max):
- 90dB PSRR
- CMRR, PSRR (Typ):
- 110ns
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 125°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-uMAX/uSOP
MAX9093AUA+T FAQ
1.How can I place an order for MAX9093AUA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX9093AUA+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 MAX9093AUA+T reliable?
The price and inventory of MAX9093AUA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX9093AUA+T is usually 5 days.
3.What payment methods are accepted for MAX9093AUA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX9093AUA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX9093AUA+T?
MAX9093AUA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX9093AUA+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 MAX9093AUA+T?
For technical support, including MAX9093AUA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX9093AUA+T requirements.
6.How does Aetrix verify that MAX9093AUA+T is sourced from the original manufacturer or authorized distributors?
All MAX9093AUA+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 MAX9093AUA+T meets industry standards.
7.What is the process for return or replacement of MAX9093AUA+T?
All MAX9093AUA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX9093AUA+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 MAX9093AUA+T part is unused and in its original packaging.
Return procedure for MAX9093AUA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX9093AUA+T Tags
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