Datasheet > HV230_07

HV230_07

更新时间： 2024-11-10 04:22:31

品牌	Logo	应用领域
超科 - SUPERTEX		开关高压
页数	文件大小	规格书
9页	621K
描述
Low Charge Injection 8-Channel High Voltage Analog Switches with Bleed Resistors

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HV230_07 数据手册

HV230/HV232

Low Charge Injection 8-Channel High Voltage

Analog Switches with Bleed Resistors

Features

General Description

► HVCMOS^®technology for high performance

► Very low quiescent power dissipation – 10µA

► Output On-resistance typically 22Ω

► Integrated bleed resistors on the outputs

► Low parasitic capacitances

The Supertex HV230 and HV232 are low charge injection 8-

channel high-voltage analog switch integrated circuits(ICs)

with bleed resistors. These devices 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 Bar (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 10MHz analog signal frequency

► -60dB typical output off isolation at 5.0MHz

► CMOS logic circuitry for low power

► Excellent noise immunity

► On-chip shift register, latch and clear logic circuitry

► Flexible high voltage supplies

Applications

These ICs are suitable for various combinations of high voltage

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

► Medical ultrasound imaging

► Piezoelectric transducer drivers

Block Diagram

Level

Shifters

Output

Switches

Latches

SW0

SW1

D_IN

CLK

SW2

SW3

8-Bit

Shift

SW4

SW5

SW6

SW7

D_OUT

V_DD

V_NNV_PP

RGND

12 3 4 5 6 7...9

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