STHVUP32
Databrief
32-channel ±100 V, ±0.8/0.4 A, 3/5-level RTZ, T/R switch, high-speed ultrasound
pulser with integrated transmit beamformer
Features
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Pulsed wave (PW) and continuous wave (CW) mode operations:
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3- or 5-level ±100 V output waveform
Programmable ±200 mA or ±400 mA or ±600 mA or ±800 mA source
and sink current in 3-level configuration (±400 mA or ±200 mA in 5-level
configuration)
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Fully integrated 23 Ω resistance real clamping-to-ground function
Fully integrated 23 Ω resistance transmitting/receiving switches (TR_SW)
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Compliant with receiver multiplexing function
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Auxiliary integrated circuits
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Noise-blocking diodes
Thermal protection
Undervoltage protection and bias supply checks
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Programmable power management to optimize the performances for ultra-
portable applications
Beamforming in transmission mode
Product status link
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Programmable single-channel delay for beam steering and focusing
Clock frequency up to 200 MHz
STHVUP32
5 ns delay resolution
From 5 ns to 20 us delay range @ 200 MHz
3 us minimum delay table writing time
Product summary
Order code
Package
Packing
STHVUP32
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Embedded memory to store transmission patterns
FCBGA168
11.5x10.5x1.35
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32 states for waveform definition, with waveform compression algorithm
Up to 4 different waveforms for each channel
Tray
Easy driving control
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Control through standard Quad Serial Peripheral Interface (QSPI)
Few input signals to drive several devices
Single interrupt as alert signal
Product label
Single trigger to manage transmitting (TX) and receiving (RX) phases,
fully automatic and programmable
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Anti-glitch on TRIGGER signal during TX phase
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Checksum control
Very low package thermal resistance
Latch-up free due to HV SOI technology
Just a few passive components needed
Small package: BGA 11.5 mm x 10.5 mm x 1.35 mm with 168 balls and 0.8
mm pitch
Application
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Medical ultrasound imaging
Pulse waveform generators
Ultra-portable ultrasound imaging
Piezoelectric transducer drivers
DB4798 - Rev 3 - March 2023
For further information contact your local STMicroelectronics sales office.
www.st.com