Datasheet > HV7321

HV7321

更新时间： 2024-11-13 01:20:31

品牌	Logo	应用领域
美国微芯 - MICROCHIP		/
页数	文件大小	规格书
30页	501K
描述
4-Ch. 5-Level Â±80V High-Voltage Ultrasound Pulser with T/R Switches

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HV7321 数据手册

HV7321

4-Ch. 5-Level ±80V High-Voltage Ultrasound Pulser with T/R Switches

Features

General Description

• Power Sequencing Free 5 Output Levels

including RTZ (Return-to-Zero)

The HV7321 is a 4-channel, 5-level, ultrasound

transmitter with built-in T/R switches, output protection

diodes and clamp diodes. The HV7321 can provide up

to ±2.5A and the output voltage swing can be up to

±80V. The HV7321 supports both Transparent and

Re-Timing mode. The re-timing clock frequency can

support up to 220 MHz. The re-timing feature helps

reduce the output jitter introduced by the driving the

field-programmable gate array (FPGA).

•

-44 dB Single-Cycle Pulse-Inversion Second

Harmonic Distortion (HD2) at 5 MHz

• Output Voltage up to ±80V

• ±2.5A Peak Output Current

• ±300 mA Current from V_PP1/V_NN1in CW Mode-0

• Integrated T/R Switch & RX Damper Switch

• Bleeder Switches Achieve True Zero during RTZ

• Supports Both Transparent and Re-Timing Mode

The HV7321 has two different modes for

CW transmission, CW-Mode 0 and CW-Mode 1.

• Re-Timing Clock Frequency Supports up to

220 MHz

In CW-Mode 0 (Mode = 0, PWS = 0), the V_PP1and

V_NN1rails are used for CW transmission. The output

current is reduced in CW Mode-0.

• Built-In Output Protection Diodes and Clamp

Diodes

In CW-Mode 1, the HV7321 accepts the output of an

external CW beamformer as CW source.

• +2.5/+3.3V Input Logic

• Built-In CW Switches to Pair with External CW

Transmitters (CW Mode-1)

The HV7321 is LVCMOS 2.5V/3.3V input compatible,

which can be interfaced with the FPGA directly.

• 9 mm x 9 mm 64-Lead VQFN Package

The HV7321 is available in a 9 mm x 9 mm 64-Lead

VQFN package.

Applications

• Medical Ultrasound Imaging Systems

• NDT Ultrasound

• Piezoelectric or Capacitive Transducer Drivers

 2016 Microchip Technology Inc.

DS20005639A-page 1

12 3 4 5 6 7...30

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