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HV238

更新时间： 2024-09-22 14:55:47

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
7页	708K
描述
HV238 is a 220V, 16-channel, high voltage analog switch integrated circuit (IC) with output bleed

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HV238 数据手册

HV238

Supertex inc.

16-Channel High Voltage Analog Switch

With Bleed Resistors

Features

General Description

► HVCMOS® technology for high performance

The Supertex HV238 is a 220V, 16-channel, high voltage

analog switch integrated circuit (IC) with output bleed resistors

(R_INT). The output switches are conﬁgured as 2 sets of 8 single

pole single throw analog switches. It is intended to be used in

applications requiring high voltage switching controlled by low

voltage control signals such as ultrasound imaging.

► 220V operating conditions

► Output on-resistance typically 22Ω

► Integrated bleed resistors on the outputs

► 5.0 and 12.0V CMOS logic compatibility

► Very low quiescent power dissipation (-10µA)

► -45dB min off isolation at 7.5MHz

► Low parasitic capacitance

The 2 sets of 8 analog switches are controlled by 2 input logic

controls, D_IN1 and D_IN2. Alogic high on D_IN1 will turn on switches

0 to 7 and a logic high on D_IN2 will turn on switches 8 to 15. The

bleed resistors help to signiﬁcantly reduce voltage built up on

capacitive loads such as piezoelectric transducers connected

to the outputs.

► Excellent noise immunity

► Flexible operating supply voltages

Applications

► Medical ultrasound imaging

► Non-destructive evaluation

Block Diagram

VDD

SW0

DIN1

Level

Translator 1

Latch 1

SW0

SW7

SW8

VDD

DIN2

Level

Translator 2

Latch 2

SW8

GND

VPP

VNN

SW15

RGND

Doc.# DSFP-HV238

B070813

Supertex inc.

www.supertex.com

12 3 4 5 6 7

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