Datasheet > HV7355

HV7355

更新时间： 2024-11-13 14:54:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
18页	935K
描述
HV7355 is an eight-channel, unipolar, high voltage, high-speed pulse generator. It is designed for

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HV7355 数据手册

HV7355

8-Channel High-Speed Unipolar 1.5A 150V Ultrasound Pulser

Features

General Description

• High-Density Integrated Ultrasound Transmitter

• 0V to +150V Output Voltage

The HV7355 is an 8-channel unipolar high-voltage

high-speed pulse generator. It is designed for medical

ultrasound applications. This high-voltage and

high-speed integrated circuit can also be used for other

piezoelectric, capacitive or MEMS sensors in ultrasonic

• ±1.5A Minimum Source and Sink Current

• ±300 mA Current in CW Mode

• Up to 18 MHz Operating Frequency

• Matched Delay Times

non-destructive

applications.

detection

and

sonar

ranger

• Built-in Gate Driver Floating Voltage Regulator

• 2.5V to 3.3V CMOS Logic Interface

The HV7355 consists of a controller logic interface

circuit, level translators, MOSFET gate drivers and

high-current P-channel and N-channel MOSFETs as

the output stage for each channel.

Applications

The output stages of each channel are designed to

provide peak output currents of ±1.5A for pulsing, when

MC = 1, with up to 150V swings. When MC = 0, all the

output stages drop the peak current to ±500 mA for

low-voltage CW mode operation to save power. This

direct coupling topology of the gate driver not only

saves one high-voltage capacitor per channel but also

makes the PCB layout easier.

• Portable Medical Ultrasound Imaging

• Piezoelectric Transducer Drivers

• Non-Destructive Testing

• Pulse Waveform Generator

Package Type

56-lead (8 X 8) VQFN

(Top view)

See Table 2-1 for pin information.

 2018 Microchip Technology Inc.

DS20005896A-page 1

12 3 4 5 6 7...18

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