Microchip HV264 Bedienungsanleitung

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HV264

Features

•Four Independent High-Voltage Amplifiers

•215V Output Swing

•9V/µs Typical Output Slew Rate

•66.7V/V Fixed Gain

•High-Value Internal Feedback Resistors

•Very Low Operating Current

Applications

•Tunable Laser

•Microelectromechanical Systems (MEMS) Driver

•Test Equipment

•Piezoelectric Transducer Driver

•Braille Driver

General Description

The HV264 is a quad high-voltage amplifier array

integrated circuit. It operates on a 225V high-voltage

supply and a 5V low-voltage supply. Each channel has

its own input and output.

When both V

OUT

and FB pins are connected together

and RGND is set at 0V, a non-inverting amplifier is

formed with a closed-loop gain of 66.7V/V. High-value

internal feedback resistors are used to minimize power

dissipation. The input voltage V

IN

is designed for a

range of 0.05V to 3.22V. The output can swing from 1V

to V

PP

–10V. A 3.22V input will cause the output to

swing to 215V.

The HV264 is designed for maximum performance with

minimal high-voltage current. The high-voltage current

for each channel is less than 75µA. The typical output

slew rate performance is 9V/µs.

Package Type

24-lead TSSOP

(Top view)

See Table3-1 for pin information.

NC

1

24

NC

VIN1

RGND1

VIN2

RGND2

V

DD

GND

VIN3

RGND3

VIN4

RGND4

NC

NC

FB4

HV

OUT

4

FB3

HV

OUT

3

HVGND

V

PP

FB2

HV

OUT

2

FB1

HV

OUT

1

Quad High-Voltage Amplifier Array

Produktspezifikationen