Datasheet > HV2321

HV2321

更新时间： 2023-12-06 20:11:23

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
8页	616K
描述
HV2321 is a low charge injection, 8-channel, unipolar, negative high voltage, analog switch integr

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HV2321 数据手册

Supertex inc.

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 50MHz small signal frequency response

► -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

► NDT metal ﬂaw detection

► Medical ultrasound imaging

► Piezoelectric transducer drivers

► Inkjet printer heads

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.

► Optical MEMS modules

Block Diagram

Level

Shifters

Output

Switches

Latches

CLR

SW0

SW1

SW2

CLR

CLK

8-Bit

Shift

CLR

DIN

DOUT

CLR

SW6

SW7

CLR

VDD GND

LE CLR

VNN VPP

RGND

Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com

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