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PDF MD1712 Data sheet ( Hoja de datos )
| Número de pieza | MD1712 | |
| Descripción | Integrated Ultrasound Driver IC | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Supertex inc.
MD1712
High Speed, Integrated Ultrasound Driver IC
Features
►►Drives two ultrasound transducer channels
►►Generates five-level waveform
►►Drives 12 high voltage MOSFETs
►►±2.0A source and sink peak current
►►Up to 20MHz output frequency
►►12V/ns slew rate
►►±3.0ns matched delay times
►►Second harmonic is less than -40dB
►►Two separate gate drive voltages
►►1.8 to 3.3V CMOS logic interface
Applications
►►Medical ultrasound imaging
►►Piezoelectric transducer drivers
►►Non-Destructive Testing (NDT)
►►Metal flaw detection
►►Sonar transmitter
General Description
The Supertex MD1712 is a two-channel, five-level, high
voltage and high speed transmitter driver IC. It is designed
for medical ultrasound imaging applications, but can also be
used for metal flaw detection, Non-Destructive Testing (NDT),
and for driving piezoelectric transducers.
The MD1712 is a two-channel logic controller circuit with
low impedance MOSFET gate drivers. There are two sets of
control logic inputs, one for channel A and one for channel B.
Each channel consists of three pairs of MOSFET gate drivers.
These drivers are designed to match the drive requirements of
the Supertex TC6320. The MD1712 drives six TC6320s. Each
pair consists of an N-channel and a P-channel MOSFET. They
are designed to have the same impedance and can provide
peak currents of over 2.0 amps.
Typical Application Circuit
0.22µF
+10V
40 36
FB DVDD2
AVDD1 6
0.1µF
EN
SEL
POSA / POS1A
NEGA / NEG1A
HVEN1A / POS2A
HVEN2A / NEG2A
CLAMPA
+3.3V
0.1µF
47
13
1
2
3
4
5
46
VLL
+5.0V
35
+10V
-10V
0.22µF
0.22µF
0.22µF
+10V
33 45
43 42 31
0.22µF
DGND DVDD1 DVSS
DGND DVDD1 DGND
DVDD2 30
39
OUTPA1
TC6320
+100V
Control Logic
& Level
Translator
DVDD2
37
10nF
OUTNA1
10nF
MD1712
(1/2 of I/O)
DVDD1
41 OUTPA2
10nF
DVDD1
34 OUTNA2
-100V
+50V
10nF
0.1µF
48 AVSS
-50V
0V
0.1µF
14 AVSS
15
AVSS
SUB
44 OUTPA3
VSS
DVDD2
32
OUTNA3
VPP1
1µF
VNN1
1µF
VPP2
1µF
VNN2
1µF
TRANSDUCER
-10V
DGND
DVSS
DVDD1
DVDD2
AGND
DVDD1
DVDD2
DGND
7 18 19 16 21 28
26 25
0
0.22µF
+10V
-10V
+10V
+5.0V
0V
0
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
1 page  
MD1712
Truth Table for Channels A and B (For SEL = L)
Logic Control Inputs
SEL
EN
HVEN1/ HVEN2/
POS2 NEG2
Clamp
01
0
0
0
POS/
POS1
0
01
0
0
0
0
01
0
0
0
1
01
0
0
0
1
01
0
0
1
0
01
0
0
1
0
01
0
0
1
1
01
0
0
1
1
01
0
1
0
0
01
0
1
0
0
01
0
1
0
1
01
0
1
0
1
01
0
1
1
0
01
0
1
1
0
01
0
1
1
1
01
0
1
1
1
01
1
0
0
0
01
1
0
0
0
01
1
0
0
1
01
1
0
0
1
01
1
0
1
0
01
1
0
1
0
01
1
0
1
1
01
1
0
1
1
01
1
1
0
0
01
1
1
0
0
01
1
1
0
1
01
1
1
0
1
01
1
1
1
0
01
1
1
1
0
01
1
1
1
1
01
1
1
1
1
00
X
X
X
X
NEG/
NEG1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
X
VPP1 to VNN1 Output VPP2 to VNN2 Output VPP3 to VNN3 Output
HVOUTP1 HVOUTN1 HVOUTP2 HVOUTN2 HVOUTP3 HVOUTN3
ON ON
OFF
OFF
ON ON
ON ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
ON
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
ON
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
OFF
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
5
5 Page 
48-Lead LQFP Package Outline (FG)
7.00x7.00mm body, 1.60mm height (max), 0.50mm pitch
D
D1
MD1712
Note 1
(Index Area
D1/4 x E1/4)
48
1
b
e
Top View
A A2
A1
Side View
E
E1
View B
Seating
Plane
L2
Gauge
Plane
Lθ
L1
View B
Seating
Plane
Note:
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.
Symbol
A A1 A2 b
D D1 E E1 e
L L1 L2 θ
MIN 1.40* 0.05 1.35 0.17 8.80*
Dimension
(mm)
NOM
-
- 1.40 0.22 9.00
MAX 1.60 0.15 1.45 0.27 9.20*
JEDEC Registration MS-026, Variation BBC, Issue D, Jan. 2001.
* This dimension is not specified in the JEDEC drawing.
Drawings are not to scale.
Supertex Doc. #: DSPD-48LQFPFG Version, D041309.
6.80*
7.00
7.20*
8.80*
9.00
9.20*
6.80*
7.00
7.20*
0.50
BSC
0.45
0.60
0.75
1.00
REF
0.25
BSC
0O
3.5O
7O
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MD1712.PDF ] | |
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