HV2303

更新时间： 2024-09-21 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	847K
描述
Low Charge Injection, 8-Channel High Voltage Analog Switch with Bleed Resistors

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HV2303 数据手册

HV2303

Low Charge Injection, 8-Channel High Voltage

Analog Switch with Bleed Resistors

Features

General Description

The Supertex HV2303 is a low charge injection 8-channel high

voltage analog switch integrated circuit (IC) with bleed resistors.

The device can be used in applications requiring high voltage

switching controlled by low voltage signals, such as medical

ultrasound imaging, piezoelectric transducer driver, and printers.

The bleed resistors eliminate voltage built up on capacitive loads

such as piezoelectric transducers.

► HVCMOS technology for high performance

► Integrated bleed resistors on the outputs

► 3.3V or 5.0V CMOS input logic level

► 20MHz data shift clock frequency

► Very low quiescent power dissipation - 10µA

► Low parasitic capacitance

► DC to 10MHz analog signal frequency

► -60dB typical off-isolation at 5.0MHz

► CMOS logic circuitry for low power

► Excellent noise immunity

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.

► Cascadable serial data register with latches

► Flexible operating supply voltages

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.

Applications

► Medical ultrasound imaging

► NDT metal ﬂaw detection

► Piezoelectric transducer drivers

► Inkjet printer heads

The device is suitable for various combinations of high voltage

supplies, e.g., V_PP/V_NN: +40V/-140V, +90V/-90V, and +140V/-40V.

► Optical MEMS modules

LEVEL

Block Diagram

OUTPUT

SWITCHES

SHIFTERS &

LATCHES

CHARGE CONTROL

SW0

SW1

SW2

CLR

CLK

CLR

8-BIT

SHIFT

CLR

OUT

SW6

SW7

CLR

VDD GND

LE CLR

VNN VPP

RGND

12 3 4 5 6 7...9

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