HV2201FG-G 查看數據表（PDF） - Supertex Inc

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HV2201FG-G

Low Charge Injection, 8-Channel, Enhanced, High Voltage Analog Switch

Supertex Inc 

Supertex inc.

HV2201

Low Charge Injection, 8-Channel,

Enhanced, High Voltage Analog Switch

Features

►► HVCMOS technology for high performance

►► 8 Channels of high voltage analog switch

►► 3.3 or 5.0V CMOS input logic level

►► 20MHz data shift clock frequency

►► Very low quiescent power dissipation (-10µA)

►► Low parasitic capacitance

►► 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

►► Optical MEMS modules

General Description

The Supertex HV2201 is a low charge injection, 8-channel, high

voltage analog switch integrated circuit (IC). The device can be

used in applications requiring high voltage switching controlled by

low voltage control signals, such as medical ultrasound imaging,

piezoelectric transducer drivers, and printers. The HV2201 is an

enhanced version of the HV20220.

Input data is shifted 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. 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.

The device is suitable for various combinations of high voltage

supplies, e.g., VPP/VNN: +40V/-160V, +100V/-100V, and +160V/-

40V.

Block Diagram

CLK

DIN

8-Bit

Shift

Register

Latches

D

LE

CL

D

LE

CL

D

LE

CL

Level

Shifters

Output

Switches

SW0

SW1

SW2

DOUT

D

LE

CL

D

LE

CL

VDD GND LE CLR

VNN VPP

SW6

SW7

Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com

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