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Supertex

MD1716 Datasheet Preview

MD1716 Datasheet

Ultrasound Driver IC

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Supertex inc.
MD1716
Three Channel, Three Level, High Speed
Ultrasound Driver IC
Features
Advanced CMOS technology
4.5 to 12.5V power supply voltage
2.0A output source and sink current
6.5ns rise and fall time with 1.0nF load
10ns propagation delay
±2ns matched delay times
12 matched channels
1.8 to 3.3V CMOS logic interface
Smart logic threshold
Low inductance package
Applications
Medical ultrasound imaging
Piezoelectric transducer drivers
Metal flaw detection
Non-Destructive Testing (NDT)
Typical Application Circuit
+3.3V +12V
+12V
General Description
The Supertex MD1716, paired with the Supertex TC8020,
forms a three channel, three level, high voltage, high speed,
transmit pulser chip set. The chip set is designed for medical
ultrasound imaging applications but can also be used for
metal flaw detection, Non-Destructive Testing (NDT), and
piezoelectric transducer drivers.
The MD1716 is a three channel logic controller circuit with 12
low impedance MOSFET gate drivers. There are three sets of
control logic inputs, one each for channels A, B and C. Each
channel consists of two pairs of MOSFET gate drivers. These
drivers are designed to match the gate driving requirements
of the Supertex TC8020.
The TC8020 is the high voltage output stage of the pulser.
It consists of six pairs of MOSFETs. Each pair has both an
N- and P-channel MOSFET. They are designed to have the
same impedance and can provide typical peak currents of
±3.5 amps.
0 to +100V VPP
1.8 to 3.3V
CMOS
Input Logic
VLL/EN AVDD
VDD
SP6 SP4 SP2 SP5 SP3 SP1
OP1A
GP1
10nF
DP1
ON1A
GN1
10nF
DN1
OP2A
GP2
10nF
DP2
POSA
ON2A
GN2
10nF
DN2
NEGA
OP1B
GP3
10nF
DP3
POSB
NEGB
MD1716
ON1B
GN3
10nF
OP2B
GP6
10nF
TC8020
DN3
DP6
POSC
NEGC
ON2B
GN6
10nF
OP1C
GP5
10nF
DN6
DP5
ON1C
GN5
10nF
DN5
OP2C
GP4
10nF
DP4
AGND
ON2C
GN4
10nF
DN4
GND
PAD SN6 SN4 SN2 SN5 SN3 SN1
TxA
TxB
TxC
VNN
0 to -100V
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com




Supertex

MD1716 Datasheet Preview

MD1716 Datasheet

Ultrasound Driver IC

No Preview Available !

MD1716
Ordering Information
Package Option
Device
40-Lead QFN
6.00x6.00mm body
1.00mm height (max)
0.50mm pitch
MD1716
MD1716K6-G
-G indicates package is RoHS compliant (‘Green’)
Absolute Maximum Ratings
Parameter
GND and AGND, Ground
Pin Configuration
Value
40
1
0V
VLL logic input pin
-0.5V to +5.5V
AVDD1, VDD1, positive gate drive supply
-0.5V to +14.5V
VDD2, positive gate drive supply
-0.5V to +14.5V
Storage temperature
Power dissipation
-65°C to 150°C
1.3W
40-L(etoapd vQiFewN)(K6)
Absolute Maximum Ratings are those values beyond which damage to the
Package Markingdevice 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.
* 1.0oz 4-layer 3x4” PCB
MD1716K6
LLLLLLLLL
L = Lot Number
YY = Year Sealed
WW = Week Sealed
YYWW
A = Assembler ID
AAA CCC
C = Country of Origin
= “Green” Packaging
Package may or may not include the following marks: Si or
40-Lead QFN (K6)
Operating Supply Voltages
Sym Parameter
Min Typ Max Units Conditions
VLL Logic supply
1.8 3.3 3.6
V ---
AVDD Positive analog supply
4.75 - 12.9 V AVDD ≥ VDD
VDD Positive gate drive supply
4.75 - 12.9 V ---
Operating Supply Current
(Over operating conditions unless otherwise specified, VLL = 3.3V, AVDD = VDD = +12V, TA = 25°C)
Sym Parameter
Min Typ Max Units Conditions
IVLL
IAVDDQ
IVDDQ
IAVDDEN
IVDDEN
IAVDDCW
IVDDCW
Logic reference current
AVDD power down current
VDD power down current
AVDD power up current
VDD power up current
AVDD CW 5.0MHz current
VDD CW 5.0MHz current
- 10 - µA VLL = 3.3V
- 400 -
µA EN = 0, all inputs Low.
- 50 100
- 2.0 3.0 mA
EN = 1, all inputs Low.
- 0.7 1.0 mA
-
-
10
33
-
-
mA
All channels on at 5.0MHz, No load.
VDD = 5.0V
Supertex inc. 1235 Bordeaux Drive, Sunnyvale, CA 94089 Tel: 408-222-8888 www.supertex.com
2


Part Number MD1716
Description Ultrasound Driver IC
Maker Supertex
Total Page 8 Pages
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