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Description

The HA-5340/883 combines the advantages of two sample/hold

architectures to create a new generation of monolithic sample/

hold. High amplitude, high frequency signals can be sampled

with very low distortion being introduced. The combination of

exceptionally fast acquisition time and specified/characterized

hold mode distortion is an industry first. Additionally, the AC

performance is only minimally affected by additional hold

capacitance.

To achieve this level of performance, the benefits of an

integrating output stage have been combined with the

advantages of a buffered hold capacitor. To the user this

translates to a front-end stage that has high bandwidth due to

charging only a small capacitive load and an output stage with

constant pedestal error which can be nulled out using the offset

adjust pins. Since the performance penalty for additional hold

capacitance is low, the designer can further minimize pedestal

error and droop rate without sacrificing speed.

Low distortion, fast acquisition, and low droop rate are the

result, making the HA-5340/883 the obvious choice for high

speed, high accuracy sampling systems.

Features

? This Circuit is Processed in Accordance to MIL-STD883 and is Fully Conformant Under the Provisions of

Paragraph 1.2.1.

? Fast Acquisition Time (0.01%) . . . . . . . . . . . . . . . 900ns

? Fast Hold Mode Settling Time (0.01%) . . . . . . . . . 300ns

? Low Distortion (Hold Mode) . . . . . . . . . . . -72dBc (Typ)

(VIN = 200kHz, Fs = 450kHz, 5VP-P)

? Bandwidth Minimally Affected By External CH

? Fully Differential Analog Inputs

? Built-in 135pF Hold Capacitor

? Pin Compatible with HA-5320

Applications

? High Bandwidth Precision Data Acquisition Systems

? Inertial Navigation and Guidance Systems

? Ultrasonics

? SONAR

? RADAR