MAX100 ECL-Compatible 8-bit ADC Technical Summary

MAX100 ECL-Compatible 250Msps 8-bit ADC

Overview

The MAX100 is a high-performance, ECL-compatible, 8-bit analog-to-digital converter (ADC) designed for high-speed signal acquisition applications. With a sampling rate of 250 megasamples per second (Msps), this ADC provides accurate digitization of analog signals, making it ideal for demanding applications in communications, instrumentation, and digital signal processing. The device integrates advanced circuitry to ensure minimal distortion and high signal integrity, even at maximum sampling rates.

The MAX100 is built using a proprietary architecture that optimizes power consumption while maintaining high-speed performance. Its ECL-compatible outputs simplify interfacing with high-speed logic families, reducing the need for additional level-shifting circuitry. The device operates over a wide temperature range, ensuring reliability in industrial and military environments.

Features

High-Speed Conversion: 250Msps sampling rate for real-time signal processing.
8-Bit Resolution: Provides 256 discrete output levels for precise analog signal representation.
ECL-Compatible Outputs: Direct interface with high-speed ECL logic families.
Low Power Consumption: Optimized design for efficient operation in power-sensitive applications.
Wide Input Bandwidth: Supports high-frequency analog signals with minimal attenuation.
Low Distortion: Ensures high-fidelity signal conversion with minimal harmonic distortion.
Single +5V Supply: Simplified power supply requirements.
Industrial Temperature Range: Operates reliably from -40°C to +85°C.
On-Chip Sample-and-Hold: Eliminates the need for external sampling circuitry.

Applications

The MAX100 is suited for a wide range of high-speed data acquisition and signal processing applications, including:

Digital Oscilloscopes: High-speed waveform capture and analysis.
Radar Systems: Fast signal digitization for target detection and tracking.
Communications Equipment: Baseband signal processing in high-speed data links.
Medical Imaging: Ultrasonic and MRI signal acquisition.
Test and Measurement Instruments: Precision signal analysis and recording.
Military and Aerospace: Ruggedized signal processing in harsh environments.

Electrical Characteristics

Absolute Maximum Ratings

Supply Voltage (Vcc): +6V
Analog Input Voltage: Vcc + 0.3V to GND - 0.3V
Digital Output Voltage: Vcc + 0.3V to GND - 0.3V
Operating Temperature Range: -40°C to +85°C
Storage Temperature Range: -65°C to +150°C

DC Characteristics (Vcc = +5V ±5%, TA = 25°C)

Power Supply Current: 150mA (typical)
Input Resistance: 1kΩ (typical)
Input Capacitance: 5pF (typical)
Output High Voltage (VOH): -0.9V (typical)
Output Low Voltage (VOL): -1.7V (typical)

AC Characteristics (Vcc = +5V ±5%, TA = 25°C)

Conversion Rate: 250Msps (max)
Aperture Delay: 100ps (typical)
Aperture Jitter: 1ps RMS (typical)
Signal-to-Noise Ratio (SNR): 48dB (typical)
Total Harmonic Distortion (THD): -55dB (typical)
Effective Number of Bits (ENOB): 7.5 bits (typical)

Package Information

The MAX100 is available in a compact 28-pin plastic dual in-line package (PDIP) and a surface-mount 28-pin small outline integrated circuit (SOIC) package. Both packages are designed for easy integration into high-speed PCB layouts with minimal parasitic effects.

PDIP Package (28-Pin)

Dimensions: 36.32mm x 13.97mm
Pin Pitch: 2.54mm
Lead Material: Copper alloy
Operating Temperature: -40°C to +85°C

SOIC Package (28-Pin)

Dimensions: 17.9mm x 7.5mm
Pin Pitch: 1.27mm
Lead Material: Matte tin-plated copper
Operating Temperature: -40°C to +85°C

Conclusion

The MAX100 is a high-performance, ECL-compatible 8-bit ADC that delivers exceptional speed and accuracy for demanding signal acquisition tasks. Its combination of 250Msps sampling rate, low distortion, and ECL outputs makes it an excellent choice for applications requiring high-speed data conversion. With robust packaging options and a wide operating temperature range, the MAX100 is well-suited for industrial, military, and communications applications where reliability and performance are critical.