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PDF CW01 Data sheet ( Hoja de datos )
| Número de pieza | CW01 | |
| Descripción | Continuous Wave Transmitter | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CW01 (archivo pdf) en la parte inferior de esta página. Total 8 Páginas | ||
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www.DataSheet.co.kr
Supertex inc.
CW01
Four-Channel, Low Phase Noise,
Low Power, Continuous Wave Transmitter
Features
►► Low phase noise
►► 100V open drain N-channel
►► High speed D flip-flop
►► High speed MOSFET gate driver
►► Up to 200MHz clock input
►► VDD and VLL undervoltage lockout
Applications
►► Diagnostic medical ultrasound
►► Fluid flow measurement
Typical Application Circuit
General Description
The Supertex CW01 is a four-channel, low phase noise,
continuous wave transmit IC. A high speed D flip-flop is
provided to allow the DIN frequency to be aligned to a high
frequency clock. The output N-channel is turned on when a
logic high is clocked into the D flip-flop. Data are clocked in
during the low to high transition.
VD1, VD2, VD3 and VD4 are four individual input supply
voltages for the N-channel output MOSFET gate drivers.
High peak currents are drawn from these gate drives
when the output MOSFETs are switching. To minimize
jitter caused by voltage ripples, each channel has its own
gate drive voltage pin; VD1, VD2, VD3 and VD4. A series
ferrite bead and a decoupling capacitor are recommended
on each VDX pin to minimize output jitter and channel to
channel crosstalk.
Both VDD and VLL have undervoltage lockout to prevent
spurious turn-on.
8.0V
5.0V
0.1µF
2.5V
0.1µF
2.0 to
5.0MHz
96MHz
(one of four channels)
VD1
VDD
OE
VLL
DIN1
CLK
VSS
DIN1
Q1
CLK
VLL VD1
Translator
and Driver
270µH
BAV99
BAV23
HVOUT1
PGND1
Tx
PZT
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
CW01
Block Diagram
VDD
VLL
OE
DIN1
DIN2
DIN3
DIN4
CLK
VSS
VLL
UVLO
VLL
DIN1
Q1
CLK
VLL
DIN2
Q1
CLK
VLL
DIN3
Q1
CLK
VLL
DIN4
Q1
CLK
VDD
UVLO
VDD
VDD
VDD
VDD
VD1
HVOUT1
PGND1
VD2
HVOUT2
PGND2
VD3
HVOUT3
PGND3
VD4
HVOUT4
PGND4
Timing Diagram
CLK
50%
SUB
50%
DIN 50%
tSU
tH 50%
90%
tdHL
90%
HVOUT
tdLH
10%
tHVr
10%
tHVf
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet CW01.PDF ] | |
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