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Analog Devices Inc./Maxim Integrated MAX961ESA+G077
- Part No.:
- MAX961ESA+G077
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- -
- Datasheet:
-
MAX961ESA+G077.pdf
- Description:
- INTEGRATED CIRCUIT
- Quantity:
- Payment:
- Shipping:
Inventory:2,847
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Product details
Overview
The MAX961ESA+G077 from Maxim Integrated is a single ultra-high-speed comparator with internal hysteresis, optimized for +3V/+5V single-supply operation. It features 4.5ns propagation delay (5mV overdrive), ±3.5mV input-referred hysteresis, and Beyond-the-Rails™ input range extending 100mV beyond VCC and GND - enabling direct sensing of signals near supply rails in GPS receivers and high-speed sampling circuits.
For engineers reviewing the MAX961ESA+G077 datasheet, MAX961ESA+G077 pinout, MAX961ESA+G077 application, or MAX961ESA+G077 equivalent, key selection criteria include latch-enable functionality, shutdown mode (270μA per comparator), TTL/CMOS-compatible push-pull outputs sinking/sourcing 4mA to within 0.52V of rails, and operation across –40°C to +85°C.
Technical Context
This comparator uses a current-driven output stage enabling rapid slew rates and rail-to-rail output swing without external pull-ups. Its internal 3.5mV hysteresis eliminates need for external feedback resistors while suppressing oscillation near trip points.
The device integrates latch-enable (LE) logic that holds comparator output state when LE is high, with verified timing parameters: 5ns setup/hold time, 5ns latch pulse width, and 10ns latch propagation delay. Shutdown control (SHDN) disables the comparator and places outputs in high-Z state, reducing supply current to 270μA per comparator.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 4.5ns typical at 5mV overdrive - enables sub-5ns decision latency in time-critical sampling and threshold detection. |
| Supply Voltage Range | 2.7V to 5.5V - supports direct integration into 3V and 5V logic domains without level-shifting. |
| Input Common-Mode Range | –0.1V to VCC + 0.1V - allows input signals 100mV beyond supply rails, critical for battery-voltage monitoring and sensor interfaces. |
| Output Drive Capability | Sinks/sources 4mA to within 0.52V of GND/VCC - drives TTL/CMOS loads directly without external buffers. |
| Shutdown Current | 270μA per comparator - reduces system power during idle periods in portable equipment. |
| Internal Hysteresis | 3.5mV input-referred - prevents chatter on slow or noisy inputs without external components. |
| Operating Temperature | –40°C to +85°C - qualified for industrial and automotive-adjacent embedded applications. |
Pinout & Package
MAX961ESA+G077 is housed in an 8-pin SO (Small Outline) package with exposed pad (G077 suffix denotes RoHS-compliant, lead-free finish). This surface-mount package measures 4.9mm × 6.0mm × 1.75mm and supports reflow soldering per JEDEC J-STD-020.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connection | Internally unconnected; leave floating or tie to GND per layout best practice to suppress parasitic coupling. |
| 2 | Inverting Input (IN–) | Differential input node accepting signals up to 100mV beyond rails; protected by internal diode clamps and 200Ω series resistors. |
| 3 | Noninverting Input (IN+) | Differential input node with identical rail-overdrive capability and protection as IN–. |
| 4 | GND | Analog/digital ground reference; must connect to low-inductance ground plane for stable high-speed operation. |
| 5 | Output (Q) | TTL/CMOS-compatible push-pull output sourcing/sinking 4mA; valid logic levels defined to within 0.52V of VCC/GND. |
| 6 | VCC | Positive supply input; requires local 0.1μF ceramic decoupling capacitor placed adjacent to pin. |
| 7 | Shutdown (SHDN) | Active-high digital control: high = shutdown (270μA ICC), low = active; high-impedance input with ±15μA leakage. |
| 8 | Latch Enable (LE) | Active-high control for output latch: high = hold last comparison result, low = transparent mode; timing-critical interface requiring 5ns setup/hold. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-fast propagation delay | 4.5ns typical ensures minimal latency in real-time signal conditioning and clock recovery paths. |
| Integrated latch-enable logic | Eliminates need for external D-latch ICs in sampled-data systems such as ADC front-ends and peak detectors. |
| Beyond-the-Rails™ input range | Supports direct interfacing to sensors or battery terminals operating outside VCC/GND bounds without external level shifters. |
| Internal 3.5mV hysteresis | Removes requirement for external positive-feedback resistors, simplifying PCB layout and improving noise immunity in threshold detection. |
| Low-power shutdown mode | Reduces quiescent current to 270μA per comparator - essential for duty-cycled wake-up circuits in battery-powered IoT nodes. |
Applications
| GPS Receiver Front-End | High-Speed Sampling Circuit |
|---|---|
Use Scenario: Converting weak, low-SNR IF signals from GPS antenna LNA into clean digital pulses for baseband correlation. IC Role / Device Role / Timing Role: Threshold detector comparing downconverted analog IF against dynamically adjusted reference; latched output synchronizes with local clock edge. Use Value: 4.5ns propagation delay and 3.5mV hysteresis enable reliable zero-crossing detection at >200MHz IF frequencies with minimal jitter accumulation. | Use Scenario: Digitizing fast transient waveforms (e.g., laser pulse edges, radar returns) using track-and-hold + flash ADC architecture. IC Role / Device Role / Timing Role: High-speed comparator acting as sample trigger generator; latch function captures precise timing of signal crossing threshold. Use Value: Sub-5ns delay and 5ns latch timing parameters allow accurate timestamping of events with <100ps resolution in time-of-flight measurement systems. |
| Portable Battery Monitor | Line Receiver for Industrial Bus |
Use Scenario: Monitoring lithium-ion cell voltage during charge/discharge cycles in handheld medical devices or wearables. IC Role / Device Role / Timing Role: Single-supply comparator detecting overvoltage/undervoltage thresholds near battery terminals; operates directly from 3.3V rail. Use Value: Beyond-the-Rails input range (–0.1V to VCC+0.1V) enables direct connection to cells whose voltage may dip below GND or exceed VCC during load transients. | Use Scenario: Receiving differential RS-422/RS-485 bus signals in factory automation controllers where EMI immunity and fast edge detection are critical. IC Role / Device Role / Timing Role: Single-ended line receiver converting differential bus voltage into CMOS-level logic; shutdown mode reduces standby power. Use Value: 4mA output drive and rail-swing capability ensure robust logic-level translation even under heavy capacitive loading from long traces or multiple nodes. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX961EUA+T | Identical electrical specs but in 8-pin μMAX® package (3mm × 3mm); same pinout, same latch/shutdown functions. | Better suited for space-constrained PCBs where SO-8 footprint is prohibitive; thermal resistance higher than SO-8. | Select MAX961EUA+T when board area is limited and thermal budget permits slightly higher junction temperature rise. |
| TLV3501CDR | 4.5ns propagation delay, 2.7V–5.5V supply, but no latch-enable or shutdown; 3mV hysteresis; SOT-23-6 package. | Lacks latch and shutdown - requires external logic for sample-hold or power gating; smaller footprint but no functional parity. | Choose TLV3501CDR only if latch/shutdown are unnecessary and board space demands SOT-23 packaging. |
Compared with MAX961ESA+G077, MAX961EUA+T offers identical functionality in a smaller package at the cost of thermal performance, while TLV3501CDR sacrifices latch and shutdown to achieve miniaturization - making MAX961ESA+G077 the optimal choice when both high-speed decision latency and integrated control features are required.
Availability
MAX961ESA+G077 is available at Aetrix Electronics and suitable for GPS receivers, portable battery monitors, high-speed sampling circuits, and industrial line receivers requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for MAX961ESA+G077 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, mixed-signal, and high-speed ICs for industrial, communications, and consumer applications - emphasizing integration, reliability, and power efficiency.
The MAX961ESA+G077 belongs to Maxim's ultra-high-speed comparator family targeting applications demanding sub-5ns latency, rail-overdrive inputs, and integrated control features like latch and shutdown - specifically engineered for portable, GPS, and test equipment signal chains.
FAQ
What is the maximum operating supply voltage for the MAX961ESA+G077?
The MAX961ESA+G077 supports a supply voltage range of 2.7V to 5.5V. Absolute maximum rating is VCC to GND = –0.3V to +6V, but continuous operation above 5.5V risks permanent damage. Operation at 5.5V is electrically specified and validated across –40°C to +85°C, with output drive and propagation delay remaining within datasheet limits.
Does the MAX961ESA+G077 require external hysteresis resistors?
No, the MAX961ESA+G077 includes 3.5mV of internal input-referred hysteresis, eliminating the need for external positive-feedback resistors. This fixed hysteresis suppresses oscillation near trip points caused by noise or slow input transitions, simplifying design and improving reliability in threshold-detection applications without adding passive components or board area.
How does the latch-enable function operate in the MAX961ESA+G077?
The MAX961ESA+G077 latch-enable (LE) pin controls output transparency: when LE is low, the comparator output follows input changes in real time; when LE is high, the output holds its last valid state. Timing requirements include 5ns setup/hold time relative to LE edge and 10ns latch propagation delay - all verified across temperature and voltage extremes per datasheet characterization.
Can the MAX961ESA+G077 drive standard TTL or CMOS logic directly?
Yes, the MAX961ESA+G077 provides TTL/CMOS-compatible push-pull outputs capable of sourcing or sinking 4mA while maintaining VOH ≥ VCC – 0.52V and VOL ≤ 0.52V. This meets standard 3.3V and 5V logic thresholds without external pull-up resistors or buffer stages, enabling direct interface to FPGA I/O banks, microcontroller GPIOs, and ASIC inputs.
What is the input common-mode voltage range specification for the MAX961ESA+G077?
The MAX961ESA+G077 has an input common-mode voltage range of –0.1V to VCC + 0.1V, meaning either input (IN+ or IN–) can be driven up to 100mV beyond the supply rails without false output inversion - provided the other input remains within this range. This Beyond-the-Rails™ capability is confirmed across –40°C to +85°C and supports direct sensing of battery voltages, sensor outputs, and rail-to-rail signals.
MAX961ESA+G077 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- -
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Type:
- -
- Number of Elements:
- -
- Output Type:
- -
- Voltage - Supply, Single/Dual (±):
- -
- :
- -
- Voltage - Input Offset (Max):
- -
- Current - Input Bias (Max):
- -
- Current - Output (Typ):
- -
- Current - Quiescent (Max):
- -
- CMRR, PSRR (Typ):
- -
- Propagation Delay (Max):
- -
- Hysteresis:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
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- -
MAX961ESA+G077 FAQ
1.How can I place an order for MAX961ESA+G077 through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX961ESA+G077 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 MAX961ESA+G077 reliable?
The price and inventory of MAX961ESA+G077 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX961ESA+G077 is usually 5 days.
3.What payment methods are accepted for MAX961ESA+G077?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX961ESA+G077 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX961ESA+G077?
MAX961ESA+G077 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX961ESA+G077 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 MAX961ESA+G077?
For technical support, including MAX961ESA+G077 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX961ESA+G077 requirements.
6.How does Aetrix verify that MAX961ESA+G077 is sourced from the original manufacturer or authorized distributors?
All MAX961ESA+G077 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 MAX961ESA+G077 meets industry standards.
7.What is the process for return or replacement of MAX961ESA+G077?
All MAX961ESA+G077 units undergo pre-shipment inspection (PSI). If there is an issue with MAX961ESA+G077, 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 MAX961ESA+G077 part is unused and in its original packaging.
Return procedure for MAX961ESA+G077:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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