Datasheet > HV2321

HV2321

更新时间： 2024-11-10 03:56:07

品牌	Logo	应用领域
超科 - SUPERTEX		开关高压
页数	文件大小	规格书
8页	712K
描述
Low Charge Injection, 8-Channel, Unipolar, Negative High Voltage, Analog Switch With Bleed Resistors

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HV2321 数据手册

HV2321

Low Charge Injection, 8-Channel, Unipolar,

Negative High Voltage, Analog Switch With Bleed Resistors

Features

► Low on-resistance, 14Ω max.

General Description

The Supertex HV2321 is a low charge injection, 8-channel,

unipolar, negative high voltage, analog switch integrated circuit

(IC) with bleed resistors. The device can be used in applications

requiring high voltage switching controlled by low voltage signals,

such as NDT metal ﬂaw detection, medical ultrasound imaging,

piezoelectric transducer drivers, and printers. The bleed resistors

eliminate voltage built up on capacitive loads such as piezoelectric

transducers.

► Integrated bleed resistors on the outputs

► 3.3 or 5.0V CMOS input logic level

► 20MHz data shift clock frequency

► Very low quiescent power dissipation -10µA

► Low parasitic capacitance

► DC to 10MHz analog signal frequency

► -60dB typical off-isolation at 5.0MHz

► CMOS logic circuitry for low power

► Excellent noise immunity

Data is input into an 8-bit shift register and then retained in an 8-bit

latch. To reduce any possible clock feed-through noise, the latch

enable bar should be left high until all bits are clocked in. Data is

clocked in during the rising edge of the clock.

► Cascadable serial data register with latches

Applications

Using HVCMOS technology, this device combines high voltage

bilateral DMOS switches and low power CMOS logic to provide

efﬁcient control of high voltage analog signals.

► NDT metal ﬂaw detection

► Medical ultrasound imaging

► Piezoelectric transducer drivers

► Inkjet printer heads

► Optical MEMS modules

Block Diagram

LEVEL

SHIFTERS

OUTPUT

SWITCHES

LATCHES

SW0

SW1

SW2

CLR

CLK

CLR

8-BIT

SHIFT

DIN

CLR

DOUT

SW6

SW7

CLR

VDD GND

LE CLR

VNN VPP

RGND

12 3 4 5 6 7 8

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