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Analog Devices Inc./Maxim Integrated MAX913ESA+T
- Part No.:
- MAX913ESA+T
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Category:
- Comparators
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
MAX913ESA+T.pdf
- Description:
- IC COMPARATOR 1 W/LATCH 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,862
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Product details
Overview
The MAX913ESA+T from Maxim Integrated is a single, ultra-fast, low-power precision TTL comparator with differential inputs and complementary TTL outputs. It delivers 10ns typical propagation delay, ±5V or +5V single-supply operation, and stable linear-region behavior-ideal for high-speed switching regulators and V/F converters requiring precise zero-crossing detection.
For engineers reviewing the MAX913ESA+T datasheet, MAX913ESA+T pinout, MAX913ESA+T application, or MAX913ESA+T equivalent, this device offers verified low offset (0.8mV), rail-to-rail input capability below the negative supply, latch-enable functionality, and SO-8 packaging suitable for space-constrained industrial timing and signal conditioning designs.
Technical Context
The MAX913ESA+T employs a fully differential bipolar input stage with trimmed offset voltage and no built-in hysteresis, enabling high-resolution comparison of slow-moving or low-amplitude signals without oscillation in the linear region. Its TTL-compatible latch enable (LE) pin provides transparent or latched output control independent of input slew rate.
It operates across -40°C to +85°C with guaranteed performance on ±5V or +5V supplies, supports input common-mode range from -0.2V to +3.5V (single-supply) or -5.2V to +3.5V (dual-supply), and maintains stable output states during input transitions where conventional comparators exhibit instability.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Propagation Delay | 10ns typ (at 100mV overdrive); enables ≤85MHz signal discrimination in fast pulse-width/height applications. |
| Input Offset Voltage | 0.8mV max at +25°C; ensures accurate threshold detection down to sub-millivolt differential signals. |
| Supply Current | 6mA per comparator at +5V; supports battery-sensitive or thermally constrained systems. |
| Input Common-Mode Range | -0.2V to +3.5V (single +5V); allows direct interfacing with ground-referenced sensors or DACs. |
| Output Type | Complementary TTL (Q/Q̄); drives standard logic loads without level-shifting circuitry. |
| Latch Enable Function | LE pin controls transparency/latching; eliminates need for external flip-flops in sampled-data systems. |
| Operating Temperature | -40°C to +85°C; qualified for industrial and automotive under-hood environments. |
Pinout & Package
MAX913ESA+T is housed in an 8-pin SO (Small Outline) package, 3.9mm × 4.9mm body size, with gull-wing leads and 1.27mm pitch. The package is RoHS-compliant and optimized for automated assembly and thermal reliability in high-density PCB layouts.
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | V+ | Positive supply input (+5V or +4.5V to +5.5V); powers analog and digital sections; requires local 0.1µF ceramic bypass. |
| 2 | IN+ | Noninverting input; accepts signals up to +3.5V in single-supply mode; supports rail-to-rail common-mode range. |
| 3 | IN- | Inverting input; matches IN+ in bandwidth and offset; differential pair enables noise rejection. |
| 4 | V- | Negative supply input (GND for single supply, -5V for dual); powers only analog section; must be bypassed. |
| 5 | LE | Latch enable; TTL-high or floating = latched output; TTL-low = transparent mode; no minimum setup/hold time required. |
| 6 | GND | Logic ground reference; connects to system ground plane; critical for noise immunity and latch stability. |
| 7 | Q | TTL output (active-high); sinks 10mA / sources 1mA; compatible with 74LS, 74F, and microcontroller inputs. |
| 8 | Q̄ | Complementary TTL output (active-low); provides inverted logic state; eliminates need for external inverters. |
Key Features
| Feature | Design Value |
|---|---|
| Stable linear-region operation | Eliminates output oscillation during slow input transitions-no hysteresis needed, preserving full resolution. |
| No input slew-rate requirement | Valid output guaranteed regardless of input edge speed when LE is asserted after tPD, simplifying drive circuit design. |
| Rail-to-rail input capability | Inputs extend 200mV below V− (e.g., -0.2V on +5V supply), enabling direct connection to ground-referenced sources. |
| Low power consumption | 6mA supply current at +5V enables use in portable or thermally limited systems without sacrificing speed. |
| Wide supply flexibility | Operates on +5V single supply or ±5V split supply-no redesign needed when migrating between architectures. |
Applications
| Zero-Crossing Detection | Ethernet Line Reception |
|---|---|
Use Scenario: Detecting AC waveform polarity reversals in motor control feedback or audio signal synchronization. IC Role / Device Role / Timing Role: Precision comparator monitoring differential input crossing 0V with sub-millivolt accuracy and no false triggering. Use Value: Enables jitter-free commutation timing and phase alignment using the MAX913ESA+T's stable linear-region behavior and 10ns response. | Use Scenario: Recovering digital data from differential Ethernet PHY signals in legacy 10BASE-T receivers. IC Role / Device Role / Timing Role: High-speed differential comparator converting twisted-pair voltage swings into clean TTL logic levels. Use Value: Leverages MAX913ESA+T's 10ns propagation delay and ±5V common-mode range to meet IEEE 802.3 timing budgets. |
| Switching Regulator Feedback | High-Speed Pulse Discrimination |
Use Scenario: Monitoring inductor current or output voltage in synchronous buck/boost converters for cycle-by-cycle control. IC Role / Device Role / Timing Role: Fast comparator generating PWM enable/disable signals with minimal latency and latch-controlled sampling. Use Value: Uses MAX913ESA+T's LE pin to freeze comparator state during critical switching intervals, preventing noise-induced misfires. | Use Scenario: Identifying pulse width or amplitude thresholds in test equipment, laser drivers, or radar pulse processing. IC Role / Device Role / Timing Role: Ultra-fast comparator with complementary outputs capturing leading/trailing edges of narrow pulses. Use Value: Delivers 10ns delay and <500ps channel matching (vs. dual MAX912) to resolve pulses as short as 20ns reliably. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-speed comparator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LT1016CS8#PBF | Slower (25ns typ), higher supply current (7mA), narrower input range (-2.5V to +3.5V on +5V) | Lacks latch function; requires external logic for sampled operation | Choose only if legacy LT1016 footprint compatibility is mandatory and speed/power trade-offs are acceptable. |
| LM311DR | Slower (200ns typ), no latch, open-collector output, higher offset (2mV), no rail-to-rail input | Requires pull-up resistors and external hysteresis for stability; unsuitable for low-voltage or high-speed use | Select only for cost-sensitive, non-critical DC comparator roles-not for MAX913ESA+T's high-speed, low-offset, or latch-enabled functions. |
Compared with LT1016CS8#PBF and LM311DR, the MAX913ESA+T provides superior speed (10ns vs. 25ns/200ns), lower power (6mA vs. 7mA/5mA), integrated latch control, and extended input range-making it the optimal choice for modern high-resolution, high-speed sampling systems where timing integrity and layout simplicity are critical.
Availability
MAX913ESA+T is available at Aetrix Electronics and suitable for switching regulators, zero-crossing detectors, and high-speed pulse discriminators requiring stable component supply across industrial temperature ranges and long production lifecycles.
Supply support for MAX913ESA+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 high-performance analog, mixed-signal, and power management ICs for industrial, communications, and computing applications.
The MAX912/MAX913 family was designed specifically for high-speed, low-power precision comparison tasks-targeting applications like V/F conversion, switching regulator control, and Ethernet line reception where speed, stability, and supply flexibility are essential.
FAQ
What is the maximum operating frequency supported by the MAX913ESA+T?
The MAX913ESA+T supports input signal rates up to 85MHz when driven with 20mV overdrive at +25°C, based on its 12ns maximum propagation delay. This makes the MAX913ESA+T suitable for high-speed pulse-width modulation, clock recovery, and fast trigger generation where sub-15ns timing resolution is required.
Does the MAX913ESA+T require external hysteresis for stable operation?
No-the MAX913ESA+T does not require external hysteresis. Its internal architecture prevents oscillation in the linear region, allowing stable operation even with slow-moving or low-slew-rate inputs. Adding hysteresis degrades resolution and contradicts the MAX913ESA+T's design intent, as confirmed in the datasheet's Detailed Description section.
Can the MAX913ESA+T operate from a single +5V supply?
Yes-the MAX913ESA+T is fully specified for single +5V operation (with V− tied to GND), delivering a -0.2V to +3.5V input common-mode range and 6mA supply current. This configuration is validated across the full -40°C to +85°C temperature range and is explicitly supported in the Electrical Characteristics table and Applications Information section.
What is the function of the LE (Latch Enable) pin on the MAX913ESA+T?
The LE pin on the MAX913ESA+T controls output latching: when LE is high or floating, Q and Q̄ hold their last valid state; when LE is low, the outputs respond transparently to the IN+/IN− differential voltage. This eliminates external storage elements in sampled-data systems and is guaranteed functional with no minimum setup or hold time requirements.
Is the MAX913ESA+T pin-compatible with other packages in the MAX913 family?
No-the MAX913ESA+T (SO-8) shares identical pinout with the MAX913CPA (DIP-8) and MAX913EPA (DIP-8), but differs from the µMAX-8 variant (MAX913EUA) which uses a different leadframe and pad layout. Always verify mechanical drawings before substituting packages, as SO-8 and µMAX-8 are not physically interchangeable despite identical pin numbering.
MAX913ESA+T Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc./Maxim Integrated
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Series:
- -
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- with Latch
- Number of Elements:
- 1
- Output Type:
- Complementary, TTL
- Voltage - Supply, Single/Dual (±):
- 5V ~ 10V
- :
- 2mV @ ±5V
- Voltage - Input Offset (Max):
- 5µA @ ±5V
- Current - Input Bias (Max):
- 20mA
- Current - Output (Typ):
- 10mA
- Current - Quiescent (Max):
- 110dB CMRR, 100dB PSRR
- CMRR, PSRR (Typ):
- 14ns
- Propagation Delay (Max):
- -
- Hysteresis:
- -40°C ~ 85°C
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- Surface Mount
- :
- 8-SOIC
MAX913ESA+T FAQ
1.How can I place an order for MAX913ESA+T through Aetrix?
Please submit a Request for Quotation (RFQ) for MAX913ESA+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 MAX913ESA+T reliable?
The price and inventory of MAX913ESA+T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX913ESA+T is usually 5 days.
3.What payment methods are accepted for MAX913ESA+T?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX913ESA+T transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MAX913ESA+T?
MAX913ESA+T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MAX913ESA+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 MAX913ESA+T?
For technical support, including MAX913ESA+T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX913ESA+T requirements.
6.How does Aetrix verify that MAX913ESA+T is sourced from the original manufacturer or authorized distributors?
All MAX913ESA+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 MAX913ESA+T meets industry standards.
7.What is the process for return or replacement of MAX913ESA+T?
All MAX913ESA+T units undergo pre-shipment inspection (PSI). If there is an issue with MAX913ESA+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 MAX913ESA+T part is unused and in its original packaging.
Return procedure for MAX913ESA+T:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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