Datasheet > HV219

HV219

更新时间： 2023-12-06 19:51:54

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
9页	819K
描述
HV219 is a low switch resistance, low charge injection, 8-channel, 200V, analog switch integrated

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HV219 数据手册

Supertex inc.

HV219

200V Low Charge Injection

8-Channel High Voltage Analog Switch

Features

General Description

► HVCMOS^®technology for high performance

► Very low quiescent power dissipation (-10µA)

► Output on-resistance typically 11Ω

► Low parasitic capacitance

The Supertex HV219 is a low switch resistance, low charge

injection, 8-channel, 200V, analog switch integrated circuit (IC)

intended primarily for medical ultrasound imaging. The device can

also be used for NDE (non-destructive evaluation) applications. The

HV219 is a lower switch resistance, 11Ω versus 22Ω, version of the

Supertex HV20220 device. The lower switch resistance will help

reduce insertion loss. It has the same pin conﬁguration as that of the

Supertex HV20220PJ and the HV20220FG.

► DC to 50MHz small signal frequency response

► -60dB typical off-isolation at 5.0MHz

► CMOS logic circuitry for low power

► Excellent noise immunity

► Serial shift register logic control with latches

► Flexible operating supply voltages

► Surface mount packages

The device is manufactured using Supertex’s HVCMOS^®(high

voltage CMOS) technology with high voltage bilateral DMOS

structures for the outputs and low voltage CMOS logic for the input

control. The outputs are conﬁgured as eight independent single

pole single throw 11Ω analog switches. The input logic is an 8-bit

serial to parallel shift register followed by an 8-bit parallel latch. The

switch states are determined by the data in the latch. Logic high will

correspond to a closed switch and logic low as an opened switch.

Applications

► Medical ultrasound imaging

► Non-destructive evaluation

The HV219 is designed to operate on various combinations of high

voltage supplies. For example the V_PPand V_NNsupplies can be:

+40V/-160V, +100V/-100V, or +160V/-40V. This allows the user to

maximize the signal voltage for uni-polar negative, bi-polar, or uni-

polar positive.

Block Diagram

Level Output

Latches Shifters Switches

SW0

SW1

SW2

SW3

SW4

SW5

SW6

SW7

DIN

8-Bit

CLK

Shift

DOUT

VDD GND LE CL

VNN VPP

Doc.# DSFP-HV219

C070713

Supertex inc.

www.supertex.com

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