Datasheet > HV2901K6-G

HV2901K6-G

更新时间： 2022-02-26 14:11:50

品牌	Logo	应用领域
超科 - SUPERTEX		/
页数	文件大小	规格书
9页	689K
描述
Low Charge Injection 32-Channel High Voltage Analog Switch with Bleed Resistors

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HV2901K6-G 数据手册

Supertex inc.

HV2901

Low Charge Injection 32-Channel

High Voltage Analog Switch with Bleed Resistors

Features

► 32-channel high voltage analog switch

► Integrated bleed resistors on the outputs

► 2:1 Multiplexer / Demultiplexer

► 3.3V or 5.0V CMOS input logic level

► 20MHz data shift clock frequency

► HVCMOS technology for high performance

► Very low quiescent power dissipation -10µA

► Low parasitic capacitance

General Description

The Supertex HV2901 is a low charge injection 32-channel high

voltage analog switch integrated circuit (IC) intended for use in

applications requiring high voltage switching controlled by low voltage

control 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.

Input data are shifted into a 32-bit shift registers that can then be

retained in a 32-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 are clocked in during the rising edge of the clock. 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.

► DC to 50MHz analog signal frequency

► -60dB typical OFF-isolation at 5.0MHz

► CMOS logic circuitry for low power

► Excellent noise immunity

► Cascadable serial data register with latches

► Flexible operating supply voltages

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/-160V, +100V/-100V, and +160V/-40V.

► Optical MEMS modules

Block Diagram

Level

Shifters

Output

Latches

Switches

SW0

Y01

CLR

SW1

SW2

CLR

Y23

CLK

CLR

SW3

32-Bit

DIN

Shift

CLR

SW28

DOUT

Y2829

SW29

SW30

CLR

Y3031

SW31

CLR

VDD GND

LE CLR

VNN VPP

RGND

Doc.# DSFP-HV2901

B011713

Supertex inc.

www.supertex.com

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