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PDF HV739 Data sheet ( Hoja de datos )
| Número de pieza | HV739 | |
| Descripción | Ultrasound Pulser | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HV739 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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HV739
High Speed ±100V 3.0A Ultrasound Pulser
Features
► HVCMOS technology for high performance
► High density integration ultrasound transmitter
► Bipolar ±100V or unipolar 0 to 200V output voltage
► ±3A source and sink peak current
► Up to 10MHz operation frequency
► Matched delay times
► 1.8V to 5.0V CMOS logic interface
► Over temperature sensing
► Under voltage protections
Applications
► NDT ultrasound equipment
► Piezoelectric transducer drivers
► Sonar, ranger and flow metering
General Description
The Supertex HV739 is a single channel monolithic 200V
3.0A high-speed pulser. It is designed for NDT and medical
ultrasound applications. This high voltage and high-current
integrated circuit can also be used for other piezoelectric,
capacitive or MEMS sensor in ultrasonic transducer and sonar
ranger applications.
HV739 consists of controller logic interface circuit, voltage
level translators, MOSFET gate drives and high current power
P-channel and N-channel power MOSFETs as the output
stage.
The output stage of HV739 is designed to provide output
peak currents over 3.3A with up to 200V swing. The P- and N-
channel power FETs gate drivers are supplied by two floating
10 to 12VDC power supplies referenced to VPP and VNN. This
direct coupling topology of the gate drivers not only saves two
high voltage capacitors per channel, but also makes the PCB
layout easier.
Typical Application Circuit
+1.8~5V +12V
C1 C2
VLL VDD
+100V +88V
+100V
C3 C4 C5
VSUB VPF
VPP
HV739
SUB
EN EN_PWR
VPP
+1.8 to 5.0V
Logic Input
PIN
Level
Translator
P-Driver
TXP
D1
HVOUT1
NIN
Level
Translator
N-Driver
TXN D2
OTP
Over Temp.
VNN
X1
R1
GREF
VSS
VNF
C7
-88V
VNN
C6
-100V
Free Datasheet http://www.datasheet4u.com/
1 page  
HV739
+200V Unipolar Pulser
+1.8~5V +12V
+200V +188V +200V
C1 C2 C3
C4 C5
VLL VDD
VSUB VPF
VPP
HV739
SUB
EN EN_PWR
VPP
+1.8 to 5.0V
Logic Input
PIN
Level
Translator
P-Driver
TXP
HVOUT1
NIN
OTP
Level
Translator
N-Driver
Over Temp.
TXN
X1
VNN
GREF
VSS
VNF
VNN
C7
+12V
-200V Unipolar Pulser
+1.8~5.0V +12V
+12V -12V
C1 C2
VLL VDD
C3 C4
VSUB VPF
HV739
SUB
EN EN_PWR
VPP
+1.8 to 5.0V
Logic Input
PIN
Level
Translator
P-Driver
VPP
TXP
NIN
OTP
Level
Translator
N-Driver
Over Temp.
VNN
TXN
GREF
VSS
VNF
VNN
C7 C6
-188V
-200V
HVOUT1
X1
5
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HV739.PDF ] | |
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