Datasheet > HV230

HV230

更新时间： 2024-09-22 14:54:47

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
9页	579K
描述
HV230 is a low charge injection 8-channel, high-voltage, analog switch integrated circuit (IC) wit

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HV230 数据手册

HV230

Supertex inc.

Low Charge Injection, 8-Channel, High Voltage

Analog Switches with Bleed Resistors

Features

General Description

XHVCMOS^®technology for high performance

XVery low quiescent power dissipation (-10µA max.)

XOutput on-resistance typically (22Ω typ.)

XIntegrated bleed resistors on the outputs

XLow parasitic capacitances

The Supertex HV230 is a low charge injection 8-channel,

high-voltage, analog switch integrated circuit (IC) with bleed

resistors. This device can be used in applications requiring

high voltage switching controlled by low voltage control

signals, such as ultrasound imaging and printers. The bleed

resistors eliminate voltage built up on capacitive loads such

as piezoelectric transducers. Input data is shifted into an 8-bit

shift register which can then be retained in an 8-bit latch. To

reduce any possible clock feed-through noise, Latch Enable

(LE) should be left high until all bits are clocked in. Using

HVCMOS^®technology, this switch combines high voltage

bilateral DMOS switches and low power CMOS logic to

provide efﬁcient control of high voltage analog signals.

► DC to 50MHz small signal frequency response

X-60dB typical output OFF isolation at 5.0MHz

XCMOS logic circuitry for low power

XExcellent noise immunity

XON-chip shift register, latch and clear logic circuitry

XFlexible high voltage supplies

Applications

X Medical ultrasound imaging

X Piezoelectric transducer drivers

This IC is suitable for various combinations of high voltage

supplies, e.g., V_PP/V_NN: +50V/-150V, or +100V/-100V.

Block Diagram

Level

Shifters

Output

Switches

Latches

SW0

SW1

SW2

SW3

DIN

CLK

8-Bit

Shift

SW4

SW5

SW6

SW7

DOUT

RGND

VDD

VNN VPP

Doc.# DSFP-HV230

C071613

Supertex inc.

www.supertex.com

12 3 4 5 6 7...9

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