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AN642

Maxim Integrated Products
Part Number AN642
Manufacturer Maxim Integrated Products
Description Analog-to-Digital Converter Captures 1Gsps
Published Mar 26, 2005
Detailed Description A/D and D/A CONVERSION/SAMPLING CIRCUITS HIGH-SPEED SIGNAL PROCESSING Application Note 642: Jan 22, 2001 Analog-to-Dig...
Datasheet PDF File AN642 PDF File

AN642
AN642

Overview
A/D and D/A CONVERSION/SAMPLING CIRCUITS HIGH-SPEED SIGNAL PROCESSING Application Note 642: Jan 22, 2001 Analog-to-Digital Converter Captures 1Gsps One of the industry's first ultra high-speed, 8-bit data converters with highest AC performance and a GHz input bandwidth, the MAX104/6/8 family of data converters offers both sampling speed and signal bandwidth for applications where these parameters are of the utmost importance.
At their introduction in 1999, this family of high-speed analog-to-digital converters (ADCs) set a new standard for dynamic performance requirements in high-frequency, wide-bandwidth applications.
The following article outlines the advantages of this family of ADCs and describes their impact and importance on digital communications, DSOs and fast data acquisition systems.
The MAX104 processes analog input bandwidths that exceed 2.
2GHz with 8-bit resolution.
It sets a new standard for performance in high-frequency, high-bandwidth digital communications receivers, digital oscilloscopes, and high-speed data-acquisition systems.
The MAX104 is a fast silicon monolithic analog-to-digital converter (ADC) that integrates a highbandwidth track/hold (T/H) amplifier (Figure 1) with a high-speed quantizer that supports accurate digitizing of wideband analog input signals from DC to 2.
2GHz.
It is based on Maxim's GST-2 Giga-Speed silicon-bipolar process technology.
This high-speed, self-aligned double-polysilicon process has been developed for high-density, high-performance circuits.
It employs many of the features, such as trench isolation, that are incorporated in Maxim's lower performance GST-1 process.
Figure 1.
This simplified block diagram shows how the MAX104 integrates a high-bandwidth T/H amplifier with a high-speed quantizer.
Although many of the outstanding performance parameters of the MAX104 are possible with the integrated-circuit process (such as a transition frequency of 27GHz for NPN transistors, a three-metal interconnect system, small ...


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