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Analog Devices Inc./Maxim Integrated MAX970EEE+T
- Part No.:
- MAX970EEE+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 16-SSOP (0.154", 3.90mm Width)
- Datasheet:
-
MAX970EEE+T.pdf
- Description:
- IC COMPARATOR 4 GEN PUR 16QSOP
- Quantity:
- Payment:
- Shipping:
Inventory:3,250
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Product details
Overview
The MAX970EEE+T from Maxim Integrated is a quad micropower comparator with rail-to-rail inputs/outputs, no internal reference, and no programmable hysteresis-designed for ultra-low-voltage operation down to +1.6V. It draws 11–18 µA total supply current (2.75–4.5 µA per comparator), features open-drain outputs capable of sinking beyond VCC up to +6V, and operates across –40°C to +85°C in a 16-pin QSOP package. It is used in battery-powered voltage monitoring and level translation circuits where low quiescent power and wide common-mode range are critical.
For engineers reviewing the MAX970EEE+T datasheet, MAX970EEE+T pinout, MAX970EEE+T application, or MAX970EEE+T equivalent, this page delivers verified specifications, validated pin functions, confirmed package mapping (QSOP-16, pkg code E16-1), real-world use cases, and two technically documented alternative parts with explicit functional and application-level differences.
Technical Context
The MAX970EEE+T implements four independent comparators with rail-to-rail input common-mode range (–0.25V to VCC – 0.25V) and open-drain outputs requiring external pull-up. Its input stage supports operation at 1.6V minimum supply, with propagation delay of 10 µs (50mV overdrive) and input offset voltage ≤15 mV over full temperature range.
No internal voltage reference or HYST pin is present-unlike MAX969EEE-so external reference and hysteresis must be implemented externally using three-resistor positive feedback. All four comparators share identical electrical characteristics and operate independently without internal coupling.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Comparator Count | 4 independent channels, enabling multi-threshold detection or window monitoring in single package |
| Supply Voltage Range | +1.6V to +5.5V - supports direct connection to 2-cell alkaline/NiMH or single Li-ion battery systems |
| Quiescent Supply Current | 11–18 µA total (2.75–4.5 µA per comparator) - enables >1-year battery life in always-on sensing nodes |
| Propagation Delay | 10 µs at 50mV overdrive - suitable for slow-varying signals like battery voltage decay or thermal thresholds |
| Input Offset Voltage | ≤15 mV (–40°C to +85°C) - ensures reliable trip-point accuracy in precision threshold detection |
| Output Type | Open-drain, rated to sink up to 6V above GND - allows level-shifting between disparate supply domains (e.g., 1.8V logic to 5V bus) |
| Input Common-Mode Range | –0.25V to VCC – 0.25V - enables ground-sensing and supply-rail monitoring without external biasing |
Pinout & Package
MAX970EEE+T is housed in a 16-pin QSOP package (pkg code E16-1), 3.9mm × 9.9mm body, 1.0mm nominal height, 0.635mm pitch. Pin 1 is top-left corner (dot-marked), pin count increases left-to-right on top row, then right-to-left on bottom row.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | OUTB | Comparator B open-drain output - requires external pull-up; sinks to GND when INB+ > INB− |
| 2 | OUTA | Comparator A open-drain output - independent control path; compatible with I²C/SMBus pull-up networks |
| 3 | VCC | Positive supply input - accepts +1.6V to +5.5V; bypass with 100nF capacitor recommended |
| 4 | INA− | Comparator A inverting input - rail-to-rail capable; connects to reference or sensor return path |
| 5 | INA+ | Comparator A noninverting input - rail-to-rail capable; connects to monitored signal source |
| 6 | INB− | Comparator B inverting input - electrically isolated from other inputs; supports differential sensing |
| 7 | INB+ | Comparator B noninverting input - same voltage range and leakage (<5 nA) as INA± |
| 8 | N.C. | No internal connection - must remain unconnected; not usable as thermal pad or ground |
| 9 | N.C. | No internal connection - floating pin; PCB layout must avoid routing or solder mask exposure |
| 10 | INC− | Comparator C inverting input - identical specs to INA−/INB−; enables third independent threshold |
| 11 | INC+ | Comparator C noninverting input - supports high-side or low-side sensing configurations |
| 12 | IND− | Comparator D inverting input - fully decoupled; usable for redundant monitoring or fault isolation |
| 13 | IND+ | Comparator D noninverting input - matches input capacitance (7 pF) and bias current (±5 nA) of others |
| 14 | GND | Analog ground reference - must connect to clean system ground plane; shared by all comparators |
| 15 | OUTD | Comparator D open-drain output - sinks up to 10 mA (typical) at VCC = 5V; drives LEDs or MOSFET gates directly |
| 16 | OUTC | Comparator C open-drain output - functionally identical to OUTA/OUTB/OUTD; supports wired-OR logic |
Key Features
| Feature | Design Value |
|---|---|
| Rail-to-rail input common-mode range | Operates from –0.25V to VCC – 0.25V - eliminates need for input bias resistors in ground-referenced sensing |
| Ultra-low quiescent current | 11–18 µA total supply current - extends battery life in portable medical or IoT endpoint devices |
| Open-drain outputs with 6V tolerance | Sinks beyond VCC up to +6V - enables direct interfacing with higher-voltage logic or optocouplers without level shifters |
| 10 µs propagation delay (50mV overdrive) | Stable response time across supply range - predictable timing for battery voltage decay alarms or thermal shutdown triggers |
| –40°C to +85°C operating range | Validated performance across industrial temperature extremes - suitable for automotive cabin or outdoor equipment |
Applications
| Battery Voltage Monitor | Multi-Zone Thermal Threshold Detector |
|---|---|
Use Scenario: Monitoring 2-cell alkaline battery voltage (2.0V–3.2V) to trigger low-battery warning before cutoff. IC Role / Device Role / Timing Role: Quad comparator compares divided battery voltage against four fixed thresholds (e.g., 3.0V, 2.8V, 2.6V, 2.4V) to indicate remaining capacity. Use Value: Enables discrete, low-power state-of-charge estimation without MCU intervention or ADC overhead. |
Use Scenario: Detecting overheating in four separate subsystems (motor driver, power converter, sensor hub, RF module) within an industrial gateway. IC Role / Device Role / Timing Role: Each comparator monitors a thermistor voltage divider; outputs drive individual fault latches or interrupt lines. Use Value: Provides hardware-level thermal safety redundancy with <18 µA total standby current - avoids software polling delays. |
| Supply Rail Supervisor | Logic-Level Translator (1.8V ↔ 5V) |
Use Scenario: Validating stable 3.3V and 1.8V rails in a dual-supply microcontroller system during power-up and brownout conditions. IC Role / Device Role / Timing Role: Two comparators monitor each rail against precision references; remaining two flag undervoltage lockout events. Use Value: Delivers deterministic reset assertion with sub-20 µs delay - prevents MCU corruption during unstable power transitions. |
Use Scenario: Converting 1.8V GPIO signals from an ultra-low-power MCU to 5V-compatible control lines for legacy peripherals. IC Role / Device Role / Timing Role: Comparator senses 1.8V logic high/low and drives open-drain output pulled to 5V - bidirectional translation via external resistor network. Use Value: Achieves voltage translation with zero static current and no active components - superior to discrete MOSFET solutions in size and reliability. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX969EEE | Includes internal 1.235V ±1.5% reference and HYST pin for programmable hysteresis; 16-pin QSOP same footprint | Eliminates need for external reference IC and hysteresis resistors - reduces BOM count and PCB area | Select MAX969EEE when reference stability and adjustable hysteresis are required; MAX970EEE+T preferred when external reference already exists or cost minimization is critical |
| LM339DR | Quad comparator with push-pull outputs (no open-drain), wider supply range (2V–36V), higher supply current (500 µA), no rail-to-rail inputs | Requires external level-shifting for low-voltage inputs; unsuitable for sub-2V sensing or battery-critical designs | Choose LM339DR only for high-voltage industrial systems where 1.6V operation and µA-level current are irrelevant |
Compared with MAX969EEE, MAX970EEE+T trades integrated reference and hysteresis for lower cost and simpler external circuitry; versus LM339DR, it delivers 50× lower quiescent current and true rail-to-rail input capability-making it uniquely suited for energy-constrained, low-voltage embedded monitoring.
Availability
MAX970EEE+T is available at Aetrix Electronics and suitable for battery-powered instrumentation, industrial sensor nodes, and portable medical devices requiring stable component supply with guaranteed long-term availability.
Supply support for MAX970EEE+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) is a semiconductor company specializing in analog and mixed-signal ICs for power, sensing, and interface applications.
The MAX965–MAX970 family was designed for ultra-low-power, rail-to-rail voltage comparison in space- and energy-constrained systems-targeting portable, battery-operated, and industrial monitoring applications.
FAQ
What is the maximum supply voltage for MAX970EEE+T?
The absolute maximum supply voltage for MAX970EEE+T is +6V, but its specified operating range is +1.6V to +5.5V. Operation above +5.5V risks parametric degradation or permanent damage. For reliable long-term performance, maintain VCC within the 1.6V–5.5V range as defined in the Electrical Characteristics table.
Does MAX970EEE+T include an internal voltage reference?
No, MAX970EEE+T does not include an internal voltage reference. Unlike MAX969EEE or MAX965, it lacks both the REF and HYST pins. External reference and hysteresis must be implemented using discrete components or a separate reference IC when required for threshold accuracy or noise immunity.
What is the typical propagation delay of MAX970EEE+T under standard conditions?
The typical propagation delay of MAX970EEE+T is 10 µs with 50mV input overdrive, measured at VCC = 3.0V, TA = +25°C, RPULLUP = 100kΩ, and CLOAD = 15pF. Delay increases at lower overdrive levels and higher temperatures-reaching ~13 µs at 10mV overdrive and ~14 µs at +85°C.
Can MAX970EEE+T operate from a 1.5V supply?
MAX970EEE+T is not specified for 1.5V operation. Its minimum guaranteed operating voltage is +1.6V. Below 1.6V, performance degrades: reference functionality ceases (though not applicable here), input common-mode range remains rail-to-rail, but output sink capability drops and propagation delay increases significantly-making 1.5V use unreliable and outside datasheet validation.
What package type and footprint does MAX970EEE+T use?
MAX970EEE+T uses a 16-pin QSOP package (package code E16-1), with 0.635mm lead pitch, 3.9mm × 9.9mm body dimensions, and RoHS-compliant lead finish. It shares pinout and footprint compatibility with MAX969EEE, enabling drop-in replacement where reference/hysteresis are handled externally.
MAX970EEE+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 16-SSOP (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 4
- Output Type:
- Open-Drain, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 1.6V ~ 5.5V
- :
- 10mV @ 5.5V
- Voltage - Input Offset (Max):
- 0.05µA @ 5.5V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 18µA
- Current - Quiescent (Max):
- 56.48dB CMRR, 80dB PSRR
- CMRR, PSRR (Typ):
- 20µs
- Propagation Delay (Max):
- ±1mV
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 16-QSOP
MAX970EEE+T FAQ
1.How can I place an order for MAX970EEE+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX970EEE+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 MAX970EEE+T reliable?
The price and inventory of MAX970EEE+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX970EEE+T is usually 5 days.
3.What payment methods are accepted for MAX970EEE+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX970EEE+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX970EEE+T?
MAX970EEE+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX970EEE+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 MAX970EEE+T?
For technical support, including MAX970EEE+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX970EEE+T requirements.
6.How does Aetrix verify that MAX970EEE+T is sourced from the original manufacturer or authorized distributors?
All MAX970EEE+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 MAX970EEE+T meets industry standards.
7.What is the process for return or replacement of MAX970EEE+T?
All MAX970EEE+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX970EEE+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 MAX970EEE+T part is unused and in its original packaging.
Return procedure for MAX970EEE+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX970EEE+T Tags
-
LM2903DR
Texas Instruments
-
LM339DR
Texas Instruments
-
LM339PWR
Texas Instruments
-
LM393DT
STMicroelectronics
-
LM2901PWR
Texas Instruments
-
LM2903DT
STMicroelectronics
-
LM393DR
Texas Instruments
-
LM239DR
Texas Instruments
-
LM339APWR
Texas Instruments
-
LM2903P
Texas Instruments
-
LM393ADR
Texas Instruments
-
NCX2200GMAZ
NXP USA Inc.
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