Microchip MD1711 Handleiding

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 2019 Microchip Technology Inc.DS20005740A-page 1

MD1711

Features

•Drives Two Ultrasound Transducer Channels

•Generates a Five-Level Waveform

•Drives 12 High-Voltage MOSFETs

•±2A Source-and-Sink Peak Currents

•Up to 20 MHz Output Frequency

•12 V/ns Slew Rate

•±3 ns Matched Delay Times

•Less than –40 dB Second Harmonic

•Two Separate Gate Drive Voltages

•1.8V to 3.3V CMOS Logic Interface

Applications

•Medical Ultrasound Imaging

•Piezoelectric Transducer Drivers

•Non-Destructive Testing (NDT)

•Metal Flaw Detection

•Sonar Transmitter

General Description

The MD1711 is a two-channel logic controller circuit

with low-impedance MOSFET gate drivers. It is

intended to be used with external FETs as a five-level

high-voltage and high-speed transmitter. The MD1711

is designed for medical ultrasound imaging

applications but can also be used for metal flaw

detection, NDT and for driving piezoelectric

transducers.

The MD1711 has two sets of control logic inputs, one

for Channel A and one for Channel B. Each channel

consists of three pairs of MOSFET gate drivers. These

drivers are designed to match the drive requirements of

the TC6320. One MD1711 drives six TC6320s. Each

driver consists of an N-channel and a P-channel

MOSFET. They are designed to have the same

impedance and can provide peak currents of 2 amps.

Package Types

48-lead LQFP

(Top view)

See Table 2-1 for pin information.

48-lead QFN

(Top view)

1

48

1

48

High-Speed Integrated Ultrasound Driver IC

Product specificaties