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零件编号 | CW01 | ||
描述 | Continuous Wave Transmitter | ||
制造商 | Supertex | ||
LOGO | |||
1 Page
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/
www.DataSheet.co.kr
24-Lead QFN Package Outline (K6)
4.00x5.00mm body, 1.00mm height (max), 0.50mm pitch
24 D
D2
1
Note 1
(Index Area
D/2 x E/2)
e
E
CW01
24 Note 1
(Index Area
D/2 x E/2)
1
E2
b
Top View
Bottom View
View B
Note 3
θ
A
A1
Side View
Seating
A3 Plane
L1
Note 2
View B
L
Notes:
1. A Pin 1 identifier must be located in the index area indicated. The Pin 1 identifier can be: a molded mark/identifier; an embedded metal marker; or
a printed indicator.
2. Depending on the method of manufacturing, a maximum of 0.15mm pullback (L1) may be present.
3. The inner tip of the lead may be either rounded or square.
Symbol
A A1 A3 b
D D2 E E2 e
L L1 θ
MIN 0.80 0.00
0.18 3.85* 2.50 4.85* 3.50
†0.30 0.00
Dimension
(mm)
NOM
0.90
0.02
0.20
REF
0.25
4.00
2.65
5.00
3.65
0.50
BSC
0.40
-
MAX 1.00 0.05
0.30 4.15* 2.80 5.15* 3.80
†0.50 0.15
0O
-
14O
JEDEC Registration MO-220, Variation VGHD-1, Issue K, June 2006
* This dimension is not specified in the JEDEC drawing.
† This dimension differs from the JEDEC drawing.
Drawings not to scale.
Supertex Doc.#: DSPD-24QFNK64X5P050, Version A101111.
(The package drawings in this data sheet may not reflect the most current specifications. For the latest package outline
information go to http://www.supertex.com/packaging.html.)
Supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives
an adequate “product liability indemnification insurance agreement.” Supertex inc. does not assume responsibility for use of devices described, and limits its liability
to the replacement of the devices determined defective due to workmanship. No responsibility is assumed for possible omissions and inaccuracies. Circuitry and
specifications are subject to change without notice. For the latest product specifications refer to the Supertex inc. (website: http//www.supertex.com)
©2011 Supertex inc. All rights reserved. Unauthorized use or reproduction is prohibited.
Doc.# DSFP-CW01
A121511
8
Supertex inc.
1235 Bordeaux Drive, Sunnyvale, CA 94089
Tel: 408-222-8888
www.supertex.com
Datasheet pdf - http://www.DataSheet4U.net/
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页数 | 8 页 | ||
下载 | [ CW01.PDF 数据手册 ] |
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