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Supertex

CW01 Datasheet Preview

CW01 Datasheet

Continuous Wave Transmitter

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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/




Supertex

CW01 Datasheet Preview

CW01 Datasheet

Continuous Wave Transmitter

No Preview Available !

www.DataSheet.co.kr
CW01
Ordering Information
Package Option
Device
24-Lead QFN
4.00x5.00mm body
1.00mm height (max) 0.50mm pitch
CW01
CW01K6-G
-G indicates package is RoHS compliant (‘Green’)
Pin Configuration
24
1
DIN1
PGND2
DIN2
VDD
HVOUT2
VSS
CLK
HVOUT3
Absolute Maximum Ratings
Parameter
Value
VSS
DIN3
PGND3
HVOUT4
VLL, logic supply
VDD, level translator voltage
VDX, gate drive voltage
HVOUT, high voltage output drain voltage
Maximum junction temperature
-0.3 to +6.0V
-0.5 to +6.0V
-0.5 to +6.0V
-0.5 to 120V
+125°C
24-Lead QFN (K6)
(top view)
Storage temperature range
-65°C to +150°C
Power dissipation, TA = 25°C
3.0W1
θja 26.9°C/W
Absolute Maximum Ratings are those values beyond which damage
to the device may occur. Functional operation under these conditions
is not implied. Continuous operation of the device at the absolute
rating level may affect device reliability. All voltages are referenced
to device ground.
Note:
1. Device mounted on a 4 layer 3” by 4” board.
Product Marking
CW01
YWLL
Y = Last Digit of Year Sealed
W = Code for Week Sealed
L = Lot Number
= “Green” Packaging
Package may or may not include the following marks: Si or
24-Lead QFN (K6)
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com
2
Datasheet pdf - http://www.DataSheet4U.net/


Part Number CW01
Description Continuous Wave Transmitter
Maker Supertex
PDF Download

CW01 Datasheet PDF






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