Datasheet > HV7350

HV7350

更新时间： 2024-11-13 01:14:59

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
16页	567K
描述
8-Channel High-Speed Â±60V Â±1A Ultrasound RTZ Pulser

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HV7350 数据手册

HV7350

8-Channel High-Speed ±60V ±1A Ultrasound RTZ Pulser

Features

General Description

• HVCMOS^®Technology for High Performance

• High-density Integrated Ultrasound Transmitter

• 0V to ±60V Output Voltage

The HV7350 is an 8-channel monolithic high-voltage

high-speed pulse generator with built-in fast return to

zero-damping FETs. This high-voltage and high-speed

integrated circuit is designed for portable medical

ultrasound imaging system.

• ±1A Source and Sink Current in Pulse Mode

• ±1A Source and Sink Current in Return-to-Zero

(RTZ) Mode

The HV7350 consists of a controller logic interface

circuit, level translators, MOSFET gate drives, and

high-current power P-channel and N-channel

MOSFETs as the output stage for each channel.

• Up to 20 MHz Operating Frequency

• Matched Delay Times

• Optional Clock Realignment

The output peak currents of each channel are

guaranteed to be over ±1A with up to ±60V pulse

swings as well as Return-to-Zero mode. The gate

drivers for the output MOSFETs are powered by built-in

linear 5V regulators referenced to V_PPand V_NN. This

direct coupling topology of the gate drivers not only

saves four floating voltage supplies or AC coupling

capacitors per channel but also makes the PCB layout

smaller and easier.

• 3.3V CMOS Logic Interface and Reference

• +3.3V Low-voltage Supply for V_DD

• Built-in Linear Regulators for Floating Gate

Drivers

• Built-in Output Drain Diodes and Bleed Resistors

Applications

• Portable Medical Ultrasound Imaging

• Piezoelectric Transducer Drivers

• Pulse Waveform Generator

An input clock pin is available to realign all the logic

input control lines to a master clock. Precise logic

timing is always essential in any ultrasound systems.

Package Type

56-lead (8 X 8) QFN

(Top view)

See Table 2-1 for pin information.

 2016 Microchip Technology Inc.

DS20005627A-page 1

12 3 4 5 6 7...16

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