Overview

The HA-5320 was designed for use in precision, High-Speed data acquisition systems. The circuit consists of an input transconductance amplifier capable of providing large amounts of charging current, a low leakage analog switch, and an output integrating amplifier. The analog switch sees virtual ground as its load; therefore, charge injection on the hold capacitor is constant over the entire input/output voltage range. The pedestal voltage resulting from this charge injection can be adjusted to zero by use of the offset adjust inputs. The device includes a hold capacitor. However, if improved droop rate is required at the expense of acquisition time, additional hold capacitance may be added externally. This monolithic device is manufactured using the Intersil Dielectric Isolation Process, minimizing stray capacitance and eliminating SCRs. This allows higher speed and latchfree operation. For further information, please see Application Note AN538.

HA-5320 Functional Diagram
HA-5320 Functional Diagram
  • Gain, DC: 2 x 106 V/V
  • Acquisition Time: 1.0µs (0.01%)
  • Droop Rate: 0.08µV/µs (+25°C) 17µV/µs (Full Temperature)
  • Aperture Time: 25ns
  • Hold Step Error (See Glossary): 5mV
  • Internal Hold Capacitor
  • Fully Differential Input
  • TTL Compatible
  • Pb-Free Available (RoHS Compliant)

Applications

  • Precision Data Acquisition Systems
  • Digital to Analog Converter Deglitcher
  • Auto Zero Circuits
  • Peak Detector

Documentation

Design & Development

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on products in the Product Options table. If a symbol or model isn't available, it can be requested directly from the website.

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Product Options

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    HA1-5320-2
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    HA9P5320-5Z
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    		SOICW Tube 3 18.16
    HA9P5320-5ZX96
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    		SOICW Reel 3 19.08
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