MD1210 Supertex, Inc., MD1210 Datasheet

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MD1210

Manufacturer Part Number
MD1210
Description
High Speed Dual Mosfet Driver
Manufacturer
Supertex, Inc.
Datasheet
Features
Applications
Typical Application Circuit
6ns rise and fall time with 1000pF load
2.0A peak output source/sink current
1.2 to 5.0V input CMOS compatible
4.5 to 13V total supply voltage
Smartlogic threshold
Low jitter design
Two matched channels
Outputs can swing below ground
Low inductance package
Thermally-enhanced package
Medical ultrasound imaging
Piezoelectric transducer drivers
Nondestructive evaluation
PIN diode driver
CCD clock driver/buffer
High speed level translator
Logic Inputs
3.3V CMOS
INB
INA
OE
Shifter
Shifter
Shifter
Level
Level
Level
VDD1
High Speed Dual MOSFET Driver
GND
VSS1
VSS2
VDD2
VDD2
VSS2
General Description
The Supertex MD1210 is a high speed, dual MOSFET driver.
It is designed to drive high voltage P and N-channel MOSFET
transistors for medical ultrasound and other applications requiring
a high output current for a capacitive load. The high-speed input
stage of the MD1210 can operate from 1.2 to 5.0V logic interface
with an optimum operating input signal range of 1.8 to 3.3V. An
adaptive threshold circuit is used to set the level translator switch
threshold to the average of the input logic 0 and logic 1 levels.
The input logic levels may be ground referenced, even though
the driver is putting out bipolar signals. The level translator uses
a proprietary circuit, which provides DC coupling together with
high-speed operation.
V
voltage, and V
Ground. The GND pin is the logic control input signal digital ground.
The output stage is capable of peak currents of up to ±2.0A,
depending on the supply voltages used and load capacitance
present.
The OE pin serves a dual purpose. First, its logic H level is used
to compute the threshold voltage level for the channel input level
translators. Secondly, when OE is low, the outputs are disabled,
with the A output high and the B output low. This assists in properly
pre-charging the AC coupling capacitors that may be used in
series in the gate drive circuit of an external PMOS and NMOS
transistor pair.
VL
VH
DD1
VL
VH
, V
DD2
OUTA
OUTB
Supertex
MD1210
+12V
, and V
0.47µF
10nF
10nF
SS1
, V
H
should be connected to the positive supply
SS2
, and V
TC6320TG
Supertex
L
should be connected to 0V or to
+100V
-100V
1µF
1µF
To Piezoelectric
Transducer
MD1210

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MD1210 Summary of contents

Page 1

... The high-speed input stage of the MD1210 can operate from 1.2 to 5.0V logic interface with an optimum operating input signal range of 1.8 to 3.3V. An adaptive threshold circuit is used to set the level translator switch threshold to the average of the input logic 0 and logic 1 levels ...

Page 2

... V -0 1.0 2 MD1210 12 1 12-Lead QFN (K6) (top view Last Digit of Year Sealed W = Code for Week Sealed L = Lot Number = “Green” Packaging 12-Lead QFN (K6 3.3V 25° Units Conditions V --- V --- V --- mA µA No input transitions µA mA One channel on at 5.0Mhz, ...

Page 3

... Logic input edge speed require ment - 1000pF, LOAD see timing diagram - ns Input signal rise/fall time of 2ns - For each channel - Device to device delay match Output OUT MD1210 OUT ...

Page 4

... PHL 90% 10 Logic Input Threshold 3 3.5 VDD1 VDD2 Level Shifter Level Shifter VSS2 VDD2 Level Shifter SUB GND VSS1 VSS2 4 VDD1 VDD2 VH MD1210 OE INA INB GND VSS1 VSS2 1.5 1.0 0.6V 0.5 0 1.0 2.0 4.0 3.0 5.0 V (volts OUT VL VH OUT VL MD1210 OUTA OUTB ...

Page 5

... GND to logic level high, which is 1.2V to 5.0V. Good trace practices should be followed correspond- ing to the desired operating speed. The internal circuitry of the MD1210 is capable of operating up to 100MHz, with the primary speed limitation being the loading effects of the load capacitance. Because of this speed and the high transient currents that result with capacitive loads, the bypass capaci- tors should be as close to the chip pins as possible ...

Page 6

... This dimension is not specified in the original JEDEC drawing. The value listed is for reference only. Drawings not to scale. Supertex Doc. #: DSPD-12QFNK64X4P080, Version NR070208. (The package drawing(s) 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.) Doc.# DSFP-MD1210 C070208 θ ...

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