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MAX4800, MAX4801, MAX4802

Low-Charge Injection, 8-Channel, High-Voltage Analog Switches

Series Offers Low Charge Injection and Low Capacitance
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Status Explanations for product status codes

Part Number Status
MAX4800 Active: In Production. See Ordering Information for details.
MAX4801 Active: In Production.
MAX4802 Active: In Production. See Ordering Information for details.

Description

The MAX4800/MAX4801/MAX4802 provide high-voltage switching on eight channels for ultrasonic imaging and printer applications. The devices utilize BCDMOS process technology to provide eight high-voltage low-charge-injection SPST switches, controlled by a digital interface. Data is clocked into an internal 8-bit shift register and retained by a programmable latch with enable and clear inputs. A power-on reset function ensures that all switches are open on power-up.

The MAX4800/MAX4801/MAX4802 operate with a wide range of high-voltage supplies including: VPP/VNN = +100V/-100V, +185V/-15V, and +40V/-160V. The digital interface operates from a separate VDD supply from +2.7V to +13.2V. Digital inputs DIN, CLK, active-low LE, and CLR are +13.2V tolerant, independent of the VDD supply voltage. The MAX4802 provides integrated 35kΩ bleed resistors on each switch terminal to discharge capacitive loads.

The MAX4800 and MAX4802 are drop-in replacements for the Supertex HV20220 and HV232. The devices are available in the 48-pin TQFP, 26-bump CSBGA, and 28-pin PLCC packages. The MAX4801 is a drop-in replacement for the Supertex HV20320 and is available in the 28-pin PLCC package. All devices are specified for the commercial 0°C to +70°C temperature range.

Data Sheet

Download this datasheet in PDF formatDownload Rev 2 (PDF, 212kB)
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Key Features

  • Pin-Compatible Replacement for Supertex HV20220 (MAX4800)
  • Pin-Compatible Replacement for Supertex HV20320 (MAX4801)
  • Pin-Compatible Replacement for Supertex HV232 (MAX4802)
  • Flexible High-Voltage Supplies Up to VPP - VNN = 200V
  • Low-Charge Injection, Low-Capacitance 22Ω Switches
  • DC to 10MHz Analog-Signal Frequency Range
  • -77dB Off Isolation at 5MHz
  • Low 10µA Quiescent Current
  • Integrated Bleed Resistors (MAX4802)
  • Available in PLCC, TQFP, and CSBGA Packages
 

Applications/Uses

  • Printers
  • Ultrasound Imaging
   

Diagram

MAX4800, MAX4801, MAX4802: Functional Diagram
Functional Diagram

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Information Index

Document Ref.: 19-0631 Rev 2; 2009-09-23
This page last modified: 2010-01-20