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PDF HV7370 Data sheet ( Hoja de datos )
| Número de pieza | HV7370 | |
| Descripción | Ultrasound Damper | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HV7370 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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HV7370
Quad, High Speed, ±100V 850mA, Ultrasound Damper
Features
► HVCMOS® technology for high performance
► High density integration ultrasound transmitter
► 0 to ±100V open-drain voltage
► ±850mA source and sink current
► Up to 20MHz operation frequency
► Matched delay times
► 1.8 to 5V CMOS logic interface
Applications
► Medical ultrasound imaging
► Piezoelectric transducer drivers
► NDT ultrasound transmission
► Pulse waveform generator
General Description
The Supertex HV7370 is a four-channel, monolithic high
voltage, high-speed damper. It is designed for working with
the HV738, HV748 or HV758 for medical ultrasound waveform
generators requiring fast return-to-zero applications. The
HV7370 consists of a controller logic interface circuit, level
translators, MOSFET gate drives and high current power P-
channel and N-channel MOSFETs as the output stage for
each channel.
The output stages of each channel are designed to provide
peak output currents of over ±0.85A for damping to ground,
with up to ±100V swing. The control from inputs to outputs uses
direct coupling topology, which not only saves components
and PCB layout space, but also makes the damping frequency
function down to DC.
Block Diagram
+1.8 to 3.3V +9.0V
C1
VLL
C2
VDD
OTP
EN
MC0
MC1
PIN1
(+Pulse)
EN_PWR
Level
Trans.
+75V VPP -9.0V 0 to +75V
C3 C4 C5
VSUB VPF
VPP
SUB
RGND
RP1
P-Driver
TXP1
D1
NIN1
(-Pulse)
+1.8 to 3.3V
Logic
EN
GREF
Level
Trans.
N-Driver
Pulser
Supertex HV748
1 of 4 Channels
VSS
VNF
TXN1 D2
RN1
RGND
VNN
HVOUT1
C7 C6
VNN +9.0V 0 to -75V
+1.8 to 3.3V +9.0V
C1 C2
VLL VDD
+9.0V -9.0V
C3 C4
VSUB VDP
RGND
X1
SUB
EN_PWR
IN1
(Damp)
Level
Trans.
P-Driver
PD1 D3
Level
Trans.
N-Driver
ND1 D4
Damper
Supertex HV7370
1 of 4 Channels
VSS VDN RGND
C7
+9.0V
Free Datasheet http://www.datasheet4u.com/
1 page  
Switch Test Timing Diagram
PINx (Pulser)
NINx (Pulser)
INx (Damper)
Output
VLL
0V
VPP
trp
90%
0V
VPP 10%
90%
0V
tfn
VLL VDD
10%
VNN
VSUB
VDP
HV7370
EN EN_PWR
SUB
Level
Translator
P-Driver
IN1
Level
Translator
N-Driver
PD1
ND1
R2
R1
GREF
VSS
1 of n Channels
VDN
INx
tdrn
50%
INx
tdfn
IOUT
50%
tdfp
50%
NDx 0A
PDx 0A
tdrp
VNN
VPP
50%
IOUT
5
Free Datasheet http://www.datasheet4u.com/
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HV7370.PDF ] | |
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