STHV748QTR - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

STHV748QTR
Manufacturer

ST Microelectronics
ChipWorker Part#

CW64286683
Category

Battery Management IC
Package

QFN-64
Description

**ultrasound pulser 2A 2MHz SMD R **
Documentation

Datasheet

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STHV748QTR Specifications

Attribute	Attribute Value

Part Number	STHV748QTR
Manufacturer	ST Microelectronics
ChipWorker Part#	CW64286683
Category	Battery Management IC
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	64 Pin
Case/Package	QFN-64
Number of Positions	64 Position
Operating Temperature (Max)	125 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	2.7V ~ 3.6V
Supply Voltage (Max)	3.6 V
Supply Voltage (Min)	2.7 V
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Operating Temperature	-40℃ ~ 125℃
Product Lifecycle Status	Active
Packaging	Tray
RoHS	RoHS Compliant
Lead-Free Status	Lead Free
ECCN Code	EAR99

Product Description

This monolithic, high-voltage, high-speed pulser generator features four independent channels. It is designed for medical ultrasound imaging applications, but it can also be used for driving other piezoelectric, capacitive or MEMS based transducers. The STHV748 comprises a controller logic interface circuit, level translators, MOSFET gate drivers, noise blocking diodes, and high-power P-channel and N-channel MOSFETs as the output stage for each channel, clamping-to-ground circuitry, anti-leakage, anti-memory effect block, thermal sensor, and a T/R switch which guarantees an effective decoupling during the transmission phase. Moreover, the STHV748 includes self-biasing and thermal shutdown blocks. Each channel can support up to five active output levels with two half bridges. The output stage of each channel is able to provide ±2 A peak output current. In order to reduce power dissipation during continuous wave mode, a dedicated half bridge is available and the peak current is limited to 0.6 A.
**Key Features**
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)
Mode operations:
3/5-levels output waveform
±2 A source and sink current
Down ≤ 20 ps jitter
Anti-cross conduction function
Low 2nd harmonic distortion
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]
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
2.4 V to 3.6 V CMOS logic interface
Auxiliary integrated circuits
Noise blocking diodes
Fully self-biasing architecture
Anti-memory effect for all internal HV nodes
Thermal protection
Standby function
Latch-up free due to HV SOI technology
Very few external passive components needed

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