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Analog Devices Inc./Maxim Integrated MAX976ESA+
- Part No.:
- MAX976ESA+
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX976ESA+.pdf
- Description:
- IC COMPARATOR 2 GEN PUR 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:2,470
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Product details
Overview
MAX976ESA+ from Maxim Integrated is a dual, high-speed, low-power comparator optimized for +3V/+5V single-supply operation in space-constrained systems. It delivers 20ns propagation delay, 225µA supply current per comparator, rail-to-rail output drive, and ground-sensing inputs (–0.2V to VCC–1.2V), enabling direct interface with CMOS/TTL logic in battery-powered threshold detection circuits.
For engineers reviewing the MAX976ESA+ datasheet, MAX976ESA+ pinout, MAX976ESA+ application, or MAX976ESA+ equivalent, key selection criteria include propagation delay matching (ΔtPD = 1ns), shutdown compatibility (not supported on MAX976ESA+), common-mode range extension below ground, and SO-8 package thermal performance (471mW at +70°C).
Technical Context
The MAX976ESA+ implements a CMOS input stage with –0.2V to (VCC–1.2V) common-mode range and internal hysteresis (0.5–4.0mV input-referred) to suppress noise-induced oscillation. Its push-pull output drives rail-to-rail without external pull-ups and tolerates continuous short-circuit faults to either rail.
It operates across –40°C to +85°C with supply voltage from +2.7V to +5.5V, achieves 66dB CMRR and 63dB PSRR at VCC = 5V, and exhibits ±2mV input offset voltage (TA = +25°C) with ±3mV over temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 20ns typical - enables high-speed signal discrimination in digital line receivers and IR demodulation. |
| Supply Current | 225µA per comparator - supports ultra-low-power operation in battery-backed systems. |
| Common-Mode Range | –0.2V to (VCC–1.2V) - allows ground-referenced sensing without level-shifting circuitry. |
| Rail-to-Rail Output | VOH = VCC–0.1V, VOL = 0.1V - directly drives 3V/5V CMOS/TTL inputs without external components. |
| Input Offset Voltage | ±2mV (typ), ±3mV (max) - ensures accurate trip-point stability in precision threshold detectors. |
| Internal Hysteresis | 0.5–4.0mV input-referred - eliminates chatter on slow-moving or noisy input signals. |
| CMRR / PSRR | 66dB / 63dB at VCC = 5V - maintains accuracy under supply ripple and common-mode interference. |
Pinout & Package
MAX976ESA+ is housed in an 8-pin SO (Small Outline) package with exposed pad not present; thermal resistance θJA = 170°C/W, derating 5.88mW/°C above +70°C (471mW max at +70°C).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | INA– | Inverting input of Comparator A - accepts signals down to –0.2V; must remain within common-mode range for valid output. |
| 2 | INA+ | Noninverting input of Comparator A - used with INA– to define threshold crossing point for A output. |
| 3 | OUTA | Push-pull output of Comparator A - drives high/low actively; no pull-up required; short-circuit tolerant. |
| 4 | GND | Analog/digital ground reference - must connect to low-impedance ground plane for noise immunity. |
| 5 | GND | Second ground pin - reduces ground bounce and improves thermal dissipation in SO-8 layout. |
| 6 | OUTB | Push-pull output of Comparator B - independent of OUTA; supports dual-channel decision logic. |
| 7 | INB+ | Noninverting input of Comparator B - paired with INB– (Pin 8) for second independent comparison. |
| 8 | INB– | Inverting input of Comparator B - matches INA– electrical behavior; supports differential or single-ended use. |
Key Features
| Feature | Design Value |
|---|---|
| Single-supply operation | 2.7V to 5.5V - eliminates need for dual-rail supplies in portable and industrial 3V/5V systems. |
| Ground-sensing inputs | –0.2V common-mode lower limit - enables direct connection to 0V-referenced sensors (e.g., photodiodes, thermistors). |
| Rail-to-rail output drive | No external pull-up required - simplifies PCB layout and reduces BOM count in logic interfacing. |
| Internal hysteresis | 0.5–4.0mV input-referred - prevents false triggering on EMI or slow edges without external feedback resistors. |
| Short-circuit fault tolerance | Continuous short to VCC or GND - enhances reliability in harsh environments without external protection. |
Applications
| Battery-Powered Threshold Detector | IR Receiver Front-End |
|---|---|
|
Use Scenario: Detecting low-battery condition in handheld medical devices using a resistor divider off main Li-ion cell. IC Role / Device Role / Timing Role: Dual comparator configured as window detector - one channel monitors upper undervoltage threshold, the other lower threshold. Use Value: 225µA total quiescent current extends runtime; ground-sensing inputs eliminate level-shifter; rail-to-rail outputs directly enable microcontroller wake-up GPIO. |
Use Scenario: Converting modulated infrared pulses from remote control into clean digital logic levels. IC Role / Device Role / Timing Role: High-speed comparator comparing photodiode current-derived voltage against reference - fast 20ns response captures 38kHz carrier envelope. Use Value: Internal hysteresis rejects ambient light noise; rail-to-rail output drives MCU input without Schmitt trigger buffer; SO-8 footprint fits compact IR receiver modules. |
| Digital Line Receiver | 3V System Level-Shifter |
|
Use Scenario: Recovering TTL/CMOS logic signals transmitted over long cables with attenuation and noise pickup. IC Role / Device Role / Timing Role: Comparator restoring degraded edges - IN+ tied to reference, IN– receives attenuated signal; hysteresis cleans jitter. Use Value: 20ns propagation delay preserves timing margins in 10Mbps serial links; short-circuit tolerance protects against cable shorts; SO-8 eases routing near connectors. |
Use Scenario: Interfacing 5V legacy peripherals to 3V microcontrollers in industrial control panels. IC Role / Device Role / Timing Role: Comparator acting as unidirectional level translator - 5V input referenced to 1.5V threshold, 3V-compatible output swing. Use Value: Ground-sensing inputs accept 0–5V input range without clamping diodes; rail-to-rail output guarantees full 0–3V swing for reliable 3V logic recognition. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LM393DR | Slower (1.3µs propagation delay), higher supply current (500µA), open-collector output requiring pull-up. | Lacks rail-to-rail output and ground-sensing capability; unsuitable for low-voltage or low-power designs. | Select only if cost is primary constraint and speed/power are noncritical. |
| TLV3502IDR | Faster (4.5ns), lower supply current (55µA), but narrower common-mode range (0.2V to VCC–0.2V); no ground sensing. | Cannot interface directly with sub-ground signals; requires input biasing for 0V-referenced sources. | Prefer when nanosecond response is mandatory and input signals stay above ground. |
Compared with LM393DR and TLV3502IDR, MAX976ESA+ uniquely balances 20ns speed, 225µA efficiency, rail-to-rail drive, and true ground-sensing - making it optimal for battery-powered 3V systems needing robust, low-component-count threshold detection.
Availability
MAX976ESA+ is available at Aetrix Electronics and suitable for battery-powered systems, IR receivers, digital line receivers, and 3V embedded control applications requiring stable component supply, RoHS-compliant packaging, and long-term production continuity.
Supply support for MAX976ESA+ 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 U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power management ICs for industrial, automotive, and communications markets.
The MAX976 belongs to Maxim's precision high-speed comparator product line, designed specifically for single-supply, low-power, ground-sensing applications where speed, accuracy, and integration reduce system-level component count.
FAQ
What is the operating supply voltage range for MAX976ESA+?
The MAX976ESA+ operates from +2.7V to +5.5V DC. This single-supply range supports both 3V and 5V system rails without external regulation. Operation below 2.7V is not guaranteed, and absolute maximum supply voltage is +6V - exceeding this risks permanent damage. The device maintains specified propagation delay and offset voltage across the full range.
Does MAX976ESA+ support shutdown mode?
No, MAX976ESA+ does not include a shutdown function. Shutdown capability is exclusive to the MAX998EUT+ (SOT23-6) variant, which features a SHDN pin reducing supply current to 1nA. The MAX976ESA+ has no dedicated shutdown pin and draws 225µA per comparator continuously during operation.
What is the common-mode input voltage range of MAX976ESA+?
The MAX976ESA+ supports a common-mode input voltage range from –0.2V to (VCC – 1.2V). This means either input can be driven 200mV below ground while the other remains within the valid range, enabling direct interface with ground-referenced sensors like photodiodes or thermistors without level-shifting circuitry.
Can MAX976ESA+ drive CMOS/TTL logic directly?
Yes, MAX976ESA+ can drive CMOS and TTL logic directly due to its rail-to-rail push-pull output structure. At VCC = 3V, VOH ≥ 2.9V and VOL ≤ 0.1V; at VCC = 5V, VOH ≥ 4.9V and VOL ≤ 0.1V - meeting standard logic high/low thresholds without external pull-up resistors or buffers.
What package type is used for MAX976ESA+?
MAX976ESA+ uses an 8-pin SO (Small Outline) package with lead (Pb)-free/RoHS-compliant finish (+ suffix). It measures 4.9mm × 6.0mm, has a thermal resistance θJA of 170°C/W, and dissipates up to 471mW at +70°C before derating. Pin 1 is marked with a beveled corner or dot; pin numbering follows standard SO-8 convention.
MAX976ESA+ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- General Purpose
- Number of Elements:
- 2
- Output Type:
- Push-Pull, Rail-to-Rail
- Voltage - Supply, Single/Dual (±):
- 2.7V ~ 5.5V
- :
- 2mV @ 5V
- Voltage - Input Offset (Max):
- 0.075µA @ 5.5V
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- 650µA
- Current - Quiescent (Max):
- 95dB CMRR, 100dB PSRR
- CMRR, PSRR (Typ):
- 28ns
- Propagation Delay (Max):
- 4mV
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-SOIC
MAX976ESA+ FAQ
1.How can I place an order for MAX976ESA+ through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX976ESA+ 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 MAX976ESA+ reliable?
The price and inventory of MAX976ESA+ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX976ESA+ is usually 5 days.
3.What payment methods are accepted for MAX976ESA+?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX976ESA+ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX976ESA+?
MAX976ESA+ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX976ESA+ 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 MAX976ESA+?
For technical support, including MAX976ESA+ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX976ESA+ requirements.
6.How does Aetrix verify that MAX976ESA+ is sourced from the original manufacturer or authorized distributors?
All MAX976ESA+ 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 MAX976ESA+ meets industry standards.
7.What is the process for return or replacement of MAX976ESA+?
All MAX976ESA+ units undergo pre-shipment inspection (PSI). If there is an issue with MAX976ESA+, 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 MAX976ESA+ part is unused and in its original packaging.
Return procedure for MAX976ESA+:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
MAX976ESA+ Tags
-
LM2903DR
Texas Instruments
-
LM339DR
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LM339PWR
Texas Instruments
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LM393DT
STMicroelectronics
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LM2901PWR
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LM2903DT
STMicroelectronics
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LM393DR
Texas Instruments
-
LM239DR
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LM339APWR
Texas Instruments
-
LM2903P
Texas Instruments
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LM393ADR
Texas Instruments
-
NCX2200GMAZ
NXP USA Inc.
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