Analog Devices Inc./Maxim Integrated MAX9113EKA+T

MAX9113EKA+T Dual LVDS Receiver Product Summary

The MAX9113EKA+T from Analog Devices Inc./Maxim Integrated is a dual low-voltage differential signaling (LVDS) receiver, meticulously engineered for demanding high-speed data transmission applications. Offered in a compact SOT-23-8 package, it targets designs requiring minimal power consumption, enhanced noise immunity, and optimized board space. The MAX9113EKA+T operates reliably across a single +3.0V to +3.6V supply range, making it suitable for both battery-powered and traditional systems. Its robust design ensures consistent performance in environments with temperatures from -40°C to +85°C. The product is RoHS-compliant and adheres to EIA/TIA-644 LVDS standards, facilitating easy integration into environmentally-conscious and standards-driven projects.

Key Features and Benefits of the MAX9113EKA+T

The MAX9113EKA+T’s feature set is tailored for high-speed interconnects and precision applications. Foremost among its attributes is the ultra-low pulse skew—maximized at 300ps—which is critical for applications such as high-resolution imaging (e.g., laser printers and digital copiers) and clock distribution where timing fidelity directly influences image or data quality. Additional highlights include:

Up to 500Mbps guaranteed data rate, supporting cutting-edge high-speed data paths.

Exceptionally low power dissipation: 29mW typical at 3.3V.

Fail-safe circuit design, which ensures a robust logic high output in cases of undriven, open, terminated, or shorted inputs.

Flow-through pinout supports streamlined PCB layout for multilayer boards.

High impedance LVDS input when powered off, minimizing system interference and risk of backfeed.

Full compliance with EIA/TIA-644 standards, ensuring compatibility and interoperability in LVDS networks.

AEC-Q100 qualification for automotive-grade reliability (refer to specific part variants).

Electrical Specifications and Performance Metrics of MAX9113EKA+T

The MAX9113EKA+T’s electrical specifications are designed to accommodate tight timing and signal integrity requirements. Critical parameters include:

Differential input threshold: +100mV (high), -100mV (low) at Vcm = 0.05V–2.75V.

Differential input resistance: 5kΩ to 18kΩ for reliable signal reception under varied conditions.

Output voltage levels: VOH ≥ 2.7V and VOL ≤ 0.4V, compatible with LVTTL/CMOS loads.

Short-circuit immunity: Output can handle up to -120mA in fault conditions.

Supply current: 8.7–11mA with no load, enabling low standby losses.

Propagation delay: Typical 1.0–1.77ns at +85°C, up to 3.0ns at +125°C.

Maximum operating frequency: 250–300MHz, supporting rapid data cycling.

These specifications translate to minimized signal distortion and robust noise immunity, underpinning the receiver’s suitability for high-performance systems.

Packaging Variations and Thermal Solutions for MAX9113EKA+T

The MAX9113EKA+T is available in space-saving SOT-23-8 as well as SO-8 and TDFN-8 packages, enabling flexible design choices particularly where board real estate is at a premium. Thermal management is facilitated by:

Junction-to-Ambient thermal resistance (θJA): 195.8°C/W for SOT-23-8 (on four-layer PCB).

Junction-to-Case thermal resistance (θJC): 70°C/W for SOT-23-8.

For projects with higher power densities or where thermal performance is a focus, the SO-8 (θJA = 136–170°C/W) and TDFN-8 (θJA = 162°C/W) offer alternative choices.

Engineers should carefully consider board stack-up and thermal dissipation strategies, especially when multiple MAX9113EKA+T devices are deployed in proximity or at elevated ambient temperatures.

Use Cases and Design Guidelines for MAX9113EKA+T

The MAX9113EKA+T is an optimal solution for numerous real-world scenarios, including:

Laser printers and digital copiers: Enabling high-speed transmission of imaging data with minimal timing skew for precise image reproduction.

Network switches/routers and telecom switching: Ensuring reliable high-speed interconnects with robust noise immunity and minimal PCB footprint.

LCD displays and cellular base stations: Supporting rapid display refresh and data aggregation over LVDS signaling.

Backplane interconnects and clock distribution: Facilitating precise, low-jitter timing and data delivery in complex, multi-board assemblies.

Automotive equipment (via AEC-Q100 variants): Offering high reliability and ruggedness for in-vehicle communications and control systems.

Key engineering considerations include the design of the LVDS signal path, load capacitance impact on propagation delay and transition times, and fail-safe operation in scenarios with intermittent or disconnected signal sources.

MAX9113EKA+T Pinout and Functional Overview

The MAX9113EKA+T’s SOT-23-8 pinout is optimized for ease of integration and board routing. Pin assignments include:

VCC (Power Supply): Pins 1 and 8

GND (Ground): Pins 2 and 5

Differential inputs (IN1+, IN1-, IN2+, IN2-): Pins 2, 7, 6, and 5 respectively

Receiver outputs (OUT1, OUT2): Pins 3 and 4

N.C. (No Connection): Pins 4, 5, 6 (not internally connected, streamline PCB layout)

Functional operation is straightforward: Each channel receives LVDS differential input, converts it to a LVTTL/CMOS-compatible output, and maintains logic high output when the input is undriven (fail-safe). The differential input structure ensures robust noise immunity, and output states are clearly defined by input differential voltage thresholds.

Alternative or Replacement Options for MAX9113EKA+T

When considering alternatives or evaluating replacements for the MAX9113EKA+T, engineers may reference:

DS90LV028A (SO package): Pin-compatible and comparable data rate/performance as MAX9113, favored in legacy systems and those seeking drop-in replacements.

DS90LV018A: Similar single-channel LVDS receiver (SO package), suitable for cases needing only one receiver channel but maintaining high-speed and low-skew benefits.

MAX9111: Single LVDS receiver companion to MAX9113, recommended for designs with fewer channels and requiring similar electrical and timing performance.

Selection of replacement models should factor in package compatibility, data rate, pulse skew, electrical characteristics, and standard compliance to ensure seamless migration and system reliability.

Conclusion

The MAX9113EKA+T from Analog Devices/Maxim Integrated offers a highly integrated, dual-channel LVDS receiver solution for engineers demanding precision timing, robust electrical performance, and space-saving form factor. With its ultra-low pulse skew, high-speed capability, and fail-safe architecture, MAX9113EKA+T is an ideal choice for advanced imaging, communication, and interconnect applications. By understanding the device’s features, operational parameters, package characteristics, and potential equivalents, product selection engineers and procurement professionals can confidently deploy the MAX9113EKA+T in forward-looking designs.