Datasheet > HV2221

HV2221

更新时间： 2024-09-22 14:55:43

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
8页	590K
描述
HV2221 is a low charge injection, 8-channel, unipolar, negative high voltage, analog switch integr

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HV2221 数据手册

Supertex inc.

HV2221

Low Charge Injection, 8-Channel,

Unipolar, Negative High Voltage, Analog Switch

Features

General Description

► Low on-resistance, 14Ω max.

The Supertex HV2221 is a low charge injection, 8-channel,

unipolar, negative high voltage, analog switch integrated

circuit (IC) intended for use in applications requiring high

voltage switching controlled by low voltage control signals,

such as NDT ultrasound ﬂaw detection, medical ultrasound

imaging, piezoelectric transducer drivers, and printers.

► HVCMOS technology for high performance

► 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 5MHz

► CMOS logic circuitry for low power

► Excellent noise immunity

► Cascadable serial data register with latches

► Flexible operating supply voltages

Data is input into an 8-bit shift register that can then be

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.

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

CLR

SW0

SW1

SW2

CLR

CLK

8-Bit

Shift

CLR

DIN

DOUT

CLR

SW6

SW7

CLR

VDD GND

LE CLR

VNN VPP

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

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