MD1716
3-Channel 3-Level High-Speed Ultrasound Driver IC
Features
General Description
•
•
•
•
•
•
•
•
•
•
The MD1716, paired with Microchip’s TC8020, forms a
3-channel 3-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, NDT, and piezoelectric
transducer drivers.
Advanced CMOS Technology
±4.5V to 12.5V Power Supply Voltage
2A Output Source and Sink Current
6.5 ns Rise and Fall Time with 1 nF Load
10 ns Propagation Delay
±2 ns Matched Delay Times
12 Matched Channels
1.8V to 3.3V CMOS Logic Interface
Smart Logic Threshold
Low-Inductance Package
The MD1716 is a 3-channel logic controller circuit with
12 low-impedance MOSFET gate drivers. There are
three sets of control logic inputs—one for Channel A,
one for Channel B, and one for Channel C. Each
channel consists of two pairs of MOSFET gate drivers.
These drivers are designed to match the drive
requirements of Microchip’s TC8020.
Applications
•
•
•
•
The TC8020 is the high-voltage output stage of the
pulser with six pairs of MOSFETs. Each pair consists of
a P-channel and an N-channel MOSFET. They are
designed to have the same impedance and can provide
typical peak currents of ±3.5A.
Medical Ultrasound Imaging
Piezoelectric Transducer Drivers
Metal Flaw Detection
Non-destructive Testing (NDT)
Package Type
40-lead QFN
(Top view)
40
1
See Table 2-1 for pin information.
2020 Microchip Technology Inc.
DS20005924A-page 1
MD1716
Functional Block Diagram
+12V
VDD
+12V
AVDD
VPP
SP1
VDD
OP1A
GP1
DP1
DN1
VDD
ON1A
GN1
VNN
SN1
High Speed
Gate Buffers
VLL/EN
SP2
VDD
POSA
NEGA
OP2A
Control
Logic
and
Level
Translation
GP2
DP2
TxA
VDD
DN2
ON2A
AGND
SN2
MD1716
1 OF 3-CH
GND
DS20005924A-page 2
Load
GN2
TC8020
4 of 12-FETs
PAD
PAD
2020 Microchip Technology Inc.
MD1716
Typical Application Circuit
+3.3V
+12V
+12V
VLL/EN
AVDD
VDD
0 to +100V VPP
SP6
GP1
OP1A
SP4
SP2 SP5
SP3 SP1
DP1
10nF
GN1
ON1A
DN1
10nF
GP2
OP2A
10nF
1.8 to 3.3V
CMOS
Input Logic
POSA
ON2A
NEGA
OP1B
POSB
ON1B
NEGB
GN2
DN2
10nF
GP3
DP3
10nF
MD1716
GN3
10nF
GP6
OP2B
DN3
TC8020
GN6
DN6
10nF
GP5
OP1C
NEGC
DP5
10nF
GN5
ON1C
DN5
10nF
GP4
OP2C
GN4
10nF
AGND
GND
PAD SN6 SN4 SN2 SN5
TxC
DP4
10nF
ON2C
TxB
DP6
10nF
ON2B
POSC
TxA
DP2
SN3
DN4
SN1
VNN
0 to -100V
2020 Microchip Technology Inc.
DS20005924A-page 3
MD1716
1.0
ELECTRICAL CHARACTERISTICS
Absolute Maximum Ratings†
GND and AGND, Ground .......................................................................................................................................... 0V
Logic Input Pin, VLL ................................................................................................................................ –0.5V to +5.5V
Positive Gate Drive Supply, AVDD, VDD1, and VDD2 ............................................................................ –0.5V to +14.5V
Operating Junction Temperature, TJ ........................................................................................................ 0°C to +125°C
Storage Temperature, TS ..................................................................................................................... –65°C to +150°C
Power Dissipation:
40-lead QFN (Note 1) ................................................................................................................................. 1.3W
† Notice: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only, and functional operation of the device at those or any other conditions above those
indicated in the operational sections of this specification is not intended. Exposure to maximum rating conditions for
extended periods may affect device reliability.
Note 1: 1 oz. four-layer 3 inches x 4 inches PCB
OPERATING SUPPLY VOLTAGES AND CURRENTS
Electrical Specifications for Operating Supply Currents: Over operating conditions unless otherwise specified.
VLL = 3.3V, AVDD = VDD = +12V, and TA = 25°C
Parameter
Sym.
Min.
Typ.
Max.
Unit
VLL
1.8
3.3
3.6
V
Positive Analog Supply
AVDD
4.75
—
12.9
V
Positive Gate Drive Supply
VDD
4.75
—
12.9
V
Logic Supply
Conditions
AVDD ≥ VDD
IVLL
—
10
—
µA
AVDD Power-Down Current
IAVDDQ
—
400
—
µA
VDD Power-Down Current
IVDDQ
—
50
100
µA
AVDD Power-Up Current
IAVDDEN
—
2
3
mA
VDD Power-Up Current
IVDDEN
—
0.7
1
mA
AVDD CW 5 MHz Current
IAVDDCW
—
10
—
mA
VDD CW 5 MHz Current
IVDDCW
—
33
—
mA
Min.
Typ.
Max.
Unit
—
—
6
Ω
ISINK = 100 mA
—
3
6
Ω
ISINK = 100 mA
—
—
6
Ω
ISOURCE = 100 mA
—
4
6
Ω
ISOURCE = 100 mA
1.7
2
—
A
1.7
2
—
A
1.7
2
—
A
1.7
2
—
A
Logic Reference Current
VLL = 3.3V
EN = 0, all inputs low
EN = 1, all inputs low
All channels on at 5 MHz,
no load, VDD = 5V
DC ELECTRICAL CHARACTERISTICS
Parameter
Sym.
Conditions
P-CHANNEL AND N-CHANNEL GATE DRIVER OUTPUTS
Output Sink Resistance
Output Source Resistance
Peak Output Sink Current
Peak Output Source Current
P-Channel
N-Channel
P-Channel
N-Channel
P-Channel
N-Channel
P-Channel
N-Channel
RSINK
RSOURCE
ISINK
ISOURCE
LOGIC INPUTS
Chip Disable Low Voltage
VENL
0
—
0.3
V
Input Logic High Voltage
VIH
0.8 VLL
—
VLL
V
DS20005924A-page 4
VLL/EN is a dual function
pin.
2020 Microchip Technology Inc.
MD1716
DC ELECTRICAL CHARACTERISTICS (CONTINUED)
Parameter
Sym.
Min.
Typ.
Max.
Unit
Input Logic Low Voltage
VIL
0
—
0.2 VLL
V
Input Logic High Current
IIH
—
—
1
µA
Input Logic Low Current
IIL
–1
—
—
µA
Conditions
AC ELECTRICAL CHARACTERISTICS
Electrical Specifications: Over operating conditions unless otherwise specified. VLL = 3.3V, AVDD = VDD = +12V,
and TA = 25°C
Parameter
Sym.
Min.
Typ.
Max.
Unit
Input Rise and Fall Time
tirf
—
—
10
ns
Output Rise Time
tr
—
6.5
—
ns
Output Fall Time
tf
—
6.5
—
ns
Output Rise Delay
tdr
—
10
—
ns
Output Fall Delay
tdf
—
10
—
ns
Conditions
Logic input edge speed
requirement
1 nF load, input signal
rise/fall time 2 ns (See
Timing Waveforms.)
1 nF load, input signal
rise/fall time 2 ns (See
Timing Waveforms.)
Rise and Fall Time Matching
|tr–tf|
—
1
—
—
Propagation Delay Matching
|tdr–tdf|
—
1
—
—
Delay Time Matching
tdm
—
±2
—
ns
Channel to channel and
device to device
Output Jitter
Δtj
—
20
—
ps
VDD = 10V
IC Enable Time
tEN_ON
—
—
50
μs
IC Disable Time
tEN_OFF
—
—
2
μs
Sym.
Min.
Typ.
Max.
Unit
Operating Junction Temperature
TJ
0
—
+125
°C
Storage Temperature
TS
–65
—
+150
°C
JA
—
24
—
°C/W
For each channel
TEMPERATURE SPECIFICATIONS
Parameter
Conditions
TEMPERATURE RANGE
PACKAGE THERMAL RESISTANCE
40-lead QFN
2020 Microchip Technology Inc.
DS20005924A-page 5
MD1716
Timing Waveforms
Input
50%
50%
tdf
tdr
VDD90%
Output
0V
tf
DS20005924A-page 6
10%
tr
2020 Microchip Technology Inc.
MD1716
2.0
PIN DESCRIPTION
The details on the pins of MD1716 are listed in
Table 2-1. See Package Type for the location of pins.
TABLE 2-1:
PIN FUNCTION TABLE
Pin Number
Pin Name
1
POSA
POS input logic control for Channel A. See Table 3-1 for details.
2
NEGA
NEG input logic control for Channel A. See Table 3-1 for details.
3
POSB
POS input logic control for Channel B. See Table 3-2 for details.
4
VLL/EN
5
AVDD
Positive supply voltage of analog circuitry. AVDD should have the same or higher
potential than the VDD.
6
AGND
Digital ground and connection of IC substrate
7
AGND
Digital ground and connection of IC substrate
8
NEGB
NEG input logic control for Channel B. See Table 3-2 for details.
9
POSC
POS input logic control for Channel C. See Table 3-3 for details.
10
NEGC
NEG input logic control for Channel C. See Table 3-3 for details.
11
VDD
12
OP2C
13
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
14
GND
Power ground
15
OP1C
High-voltage output P-channel gate driver for Channel C
16
VDD
17
ON2C
Damping N-channel gate driver for Channel C
18
GND
Power ground
19
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
20
ON1C
High-voltage output N-channel gate driver for Channel C
21
GND
Power ground
22
ON2B
Damping N-channel gate driver for Channel B
23
GND
Power ground
24
OP2B
Damping P-channel gate driver for Channel B
25
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
26
GND
Power ground
27
OP1B
High-voltage output P-channel gate driver for Channel B
28
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
29
GND
Power ground
30
ON1B
High-voltage output N-channel gate driver for Channel B
2020 Microchip Technology Inc.
Description
Logic high reference voltage and chip enable input
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
Damping P-channel gate driver for Channel C
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
DS20005924A-page 7
MD1716
TABLE 2-1:
PIN FUNCTION TABLE (CONTINUED)
Pin Number
Pin Name
31
ON2A
32
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
33
GND
Power ground
34
ON1A
High-voltage output N-channel gate driver for Channel A
35
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
36
OP2A
Damping P-channel gate driver for Channel A
37
GND
Power ground
38
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
39
OP1A
High-voltage output P-channel gate driver for Channel A
40
VDD
Positive supply voltage of the gate drivers for the output stage in Channel A,
Channel B, and Channel C
Center Pad
Thermal pad
DS20005924A-page 8
Description
Damping N-channel gate driver for Channel A
IC substrate. It must connect to GND externally.
2020 Microchip Technology Inc.
MD1716
ON2A
VDD
GND
ON1A
VDD
OP2A
GND
VDD
OP1A
VDD
NC
NC
SP2
NC
SP1
NC
VSUB
NC
SN1
NC
SN2
NC
GP1
FUNCTIONAL DESCRIPTION
GP2
3.0
GN1
DN1
GN2
DP1
NC
DN2
POSA
ON1B
NEGA
GND
GN3
DP2
POSB
VDD
VLL/EN
AVDD
MD1716
AGND
GP3
DN3
OP1B
NC
DP3
GND
SN3
VDD
SN6
SP6
TxC
NC
NC
SP5
NC
SP4
NC
NC
VSUB
GP5
SN4
DP4
NC
DN4
GN4
SN5
GN5
NC
DP5
GP4
NC
ON2B
GND
VDD1
DN5
NEGC
GND
GN6
ON1B
ON2B
VDD2
DP6
POSC
OP2B
GP6
GND
GND
VDD1
DN6
NEGB
VDD2
NC
OP1B
OP2B
TABLE 3-1:
TxB
SP3
TC8020
AGND
FIGURE 3-1:
TxA
Circuit Pin Layout.
TRUTH FUNCTION TABLE FOR CHANNEL A
POSA
NEGA
SP1
to
DP1
1
0
0
OFF
OFF
ON
ON
1
0
1
OFF
ON
OFF
OFF
1
1
0
ON
OFF
OFF
OFF
1
1
1
OFF
OFF
OFF
OFF
SN3
to
DN3
SP6
to
DP6
SN6
to
DN6
OFF
ON
ON
EN
TABLE 3-2:
Logic Inputs A
SN1
to
DN1
SP2
to
DP2
SN2
to
DN2
TRUTH FUNCTION TABLE FOR CHANNEL B
POSB
NEGB
SP3
to
DP3
1
0
0
OFF
1
0
1
OFF
ON
OFF
OFF
1
1
0
ON
OFF
OFF
OFF
1
1
1
OFF
OFF
OFF
OFF
EN
Logic Inputs B
2020 Microchip Technology Inc.
DS20005924A-page 9
MD1716
TABLE 3-3:
TRUTH FUNCTION TABLE FOR CHANNEL B
POSC
NEGC
SP5
to
DP5
1
0
0
OFF
OFF
ON
ON
1
0
1
OFF
ON
OFF
OFF
1
1
0
ON
OFF
OFF
OFF
1
1
1
OFF
OFF
OFF
OFF
0
X
X
OFF
OFF
OFF
OFF
0→1
0
0
1→0
0
0
EN
DS20005924A-page 10
Logic Inputs C
SN5
to
DN5
SP4
to
DP4
SN4
to
DN4
EN transitions from low to high or high to low should occur at all
logic inputs low.
2020 Microchip Technology Inc.
MD1716
4.0
PACKAGING INFORMATION
4.1
Package Marking Information
40-lead QFN
XXXXXX
XX e3
YYWWNNN
Legend: XX...X
Y
YY
WW
NNN
e3
*
Note:
Example
MD1716
K6 e3
2014357
Product Code or Customer-specific information
Year code (last digit of calendar year)
Year code (last 2 digits of calendar year)
Week code (week of January 1 is week ‘01’)
Alphanumeric traceability code
Pb-free JEDEC® designator for Matte Tin (Sn)
This package is Pb-free. The Pb-free JEDEC designator ( e3 )
can be found on the outer packaging for this package.
In the event the full Microchip part number cannot be marked on one line, it will
be carried over to the next line, thus limiting the number of available characters
for product code or customer-specific information. Package may or not include
the corporate logo.
2020 Microchip Technology Inc.
DS20005924A-page 11
MD1716
Note: For the most current package drawings, see the Microchip Packaging Specification at www.microchip.com/packaging.
DS20005924A-page 12
2020 Microchip Technology Inc.
MD1716
APPENDIX A:
REVISION HISTORY
Revision A (October 2020)
• Converted Supertex Doc# DSFP-MD1716 to
Microchip DS20005924A
• Changed the package marking format
• Removed the 40-lead VQFN K6 M935 media type
• Made minor text changes throughout the document
2020 Microchip Technology Inc.
DS20005924A-page 13
MD1716
PRODUCT IDENTIFICATION SYSTEM
To order or obtain information, e.g., on pricing or delivery, contact your local Microchip representative or sales office.
XX
PART NO.
-
Package
Options
Device
X
-
Environmental
X
Media Type
Device:
MD1716
=
3-Channel 3-Level High-Speed Ultrasound
Driver IC
Package:
K6
=
40-lead VQFN
Environmental:
G
=
Lead (Pb)-free/RoHS-compliant Package
Media Types:
(blank)
=
490/Tray for a K6 Package
DS20005924A-page 14
Example:
a) MD1716K6-G:
3-Channel 3-Level HighSpeed Ultrasound Driver
IC, 40-lead VQFN,
490/Tray
2020 Microchip Technology Inc.
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•
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•
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•
There are dishonest and possibly illegal methods being used in attempts to breach the code protection features of the Microchip
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•
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•
Neither Microchip nor any other semiconductor manufacturer can guarantee the security of its code. Code protection does not
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2020 Microchip Technology Inc.
ISBN: 978-1-5224-6902-5
DS20005924A-page 15
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Fax: 678-957-1455
Austin, TX
Tel: 512-257-3370
Boston
Westborough, MA
Tel: 774-760-0087
Fax: 774-760-0088
Chicago
Itasca, IL
Tel: 630-285-0071
Fax: 630-285-0075
Dallas
Addison, TX
Tel: 972-818-7423
Fax: 972-818-2924
Detroit
Novi, MI
Tel: 248-848-4000
Houston, TX
Tel: 281-894-5983
Indianapolis
Noblesville, IN
Tel: 317-773-8323
Fax: 317-773-5453
Tel: 317-536-2380
Los Angeles
Mission Viejo, CA
Tel: 949-462-9523
Fax: 949-462-9608
Tel: 951-273-7800
Raleigh, NC
Tel: 919-844-7510
New York, NY
Tel: 631-435-6000
San Jose, CA
Tel: 408-735-9110
Tel: 408-436-4270
Canada - Toronto
Tel: 905-695-1980
Fax: 905-695-2078
DS20005924A-page 16
China - Xiamen
Tel: 86-592-2388138
China - Zhuhai
Tel: 86-756-3210040
Denmark - Copenhagen
Tel: 45-4485-5910
Fax: 45-4485-2829
Finland - Espoo
Tel: 358-9-4520-820
France - Paris
Tel: 33-1-69-53-63-20
Fax: 33-1-69-30-90-79
Germany - Garching
Tel: 49-8931-9700
Germany - Haan
Tel: 49-2129-3766400
Germany - Heilbronn
Tel: 49-7131-72400
Germany - Karlsruhe
Tel: 49-721-625370
Germany - Munich
Tel: 49-89-627-144-0
Fax: 49-89-627-144-44
Germany - Rosenheim
Tel: 49-8031-354-560
Israel - Ra’anana
Tel: 972-9-744-7705
Italy - Milan
Tel: 39-0331-742611
Fax: 39-0331-466781
Italy - Padova
Tel: 39-049-7625286
Netherlands - Drunen
Tel: 31-416-690399
Fax: 31-416-690340
Norway - Trondheim
Tel: 47-7288-4388
Poland - Warsaw
Tel: 48-22-3325737
Romania - Bucharest
Tel: 40-21-407-87-50
Spain - Madrid
Tel: 34-91-708-08-90
Fax: 34-91-708-08-91
Sweden - Gothenberg
Tel: 46-31-704-60-40
Sweden - Stockholm
Tel: 46-8-5090-4654
UK - Wokingham
Tel: 44-118-921-5800
Fax: 44-118-921-5820
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02/28/20
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