Datasheet > STHV748S

STHV748S

更新时间： 2024-11-30 14:58:03

品牌	Logo	应用领域
意法半导体 - STMICROELECTRONICS		脉冲发生器
页数	文件大小	规格书
5页	274K
描述
四通道+/- 90 V、+/- 2 A、3/5级增强ESD保护高速超声脉冲发生器

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中文翻译

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数据手册

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STHV748S 数据手册

STHV748S

Quad ± 90 V, ± 2 A, 3/5 level, ESD-enhanced high-speed

ultrasound pulser

Data brief



Fully integrated T/R switch



13.5 Ω on-resistance

HV MOS topology to minimize current

consumption



Up to 300 MHz BW

Receiver multiplexing function



1.8 V to 3.6 V CMOS logic interface

New digital input compatibility @ 1.8 V

Auxiliary integrated circuits



Noise blocking diodes

Features

Fully self-biasing architecture

Anti-memory effect for all internal HV

nodes

Thermal protection

Standby function



Pinout compatibility with STHV748

Recirculation current protection

0 to ±90 V output voltage

Up to 20 MHz operating frequency

Embedded low-power, floating high-voltage

drivers (external voltage rails can be also

used)



Reinforced diodes on HV outputs for

protection by recirculation current



Latch-up free due to HV SOI technology

Very few external passive components

needed



Mode operations:



3/5-level output waveform

±2 A source and sink current

Down to ≤ 20 ps jitter

Anti-cross conduction function

Low 2^ndharmonic distortion

Applications



Medical ultrasound imaging

Pulse waveform generators

NDT ultrasound transmission

Piezoelectric transducer drivers



Fully integrated clamping-to-ground function



8 Ω synchronous active clamp

Anti-leakage on output node

Dedicated half bridge for continuous wave

(CW) operations



≤ 0.1 W power consumption

±0.6 A source and sink current

205 fs RMS jitter [100 Hz-20 kHz]

December 2016

DocID030128 Rev 1

1/5

www.st.com

For further information contact your local STMicroelectronics sales

office.

12 3 4 5

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