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HV2701 Datasheet(PDF) 1 Page - Supertex, Inc

Part No. HV2701
Description  Low Charge Injection 16-Channel High Voltage Analog Switch with Bleed Resistors
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Maker  SUTEX [Supertex, Inc]
Homepage  http://www.supertex.com
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HV2701 Datasheet(HTML) 1 Page - Supertex, Inc

   
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1
NR102405
HV2701
Initial Release
Features
HVCMOS technology for high performance
Integrated bleed resistors on the outputs
16 Channels of high voltage analog switch
3.3V input logic level compatible
20MHz data shift clock frequency
Very low quiescent power dissipation-10µA
Low parasitic capacitance
DC to 10MHz analog signal frequency
-60dB typical off-isolation at 5MHz
CMOS logic circuitry for low power
Excellent noise immunity
Cascadable serial data register with latches
Flexible operating supply voltages
Applications
Medical ultrasound imaging
NDT metal flaw detection
Piezoelectric transducer drivers
Optical MEMS modules
General Description
The Supertex HV2701 is a low charge injection 16-channel high
voltage analog switch integrated circuit (IC) with bleed resistors. The
device can be used in applications requiring high voltage switching
controlled by low voltage control signals, such as medical ultrasound
imaging and piezoelectric transducer drivers. The bleed resistors
eliminate voltage built up on capacitive loads such as piezoelectric
transducers.
Input data is shifted into a 16-bit shift register that can then be retained
in a 16-bit latch. To reduce any possible clock feed through noise, the
latch enable bar should be left high until all bits are clocked in. Data
are clocked in during the rising edge of the clock. Using HVCMOS
technology, this device combines high voltage bilateral DMOS
switches and low power CMOS logic to provide efficient control of
high voltage analog signals.
The device is suitable for various combinations of high voltage
supplies, e.g., V
PP/VNN: +40V/-160V, +100V/-100V, and +160V/-40V.
HV2701 Block Diagram
Low Charge Injection 16-Channel
High Voltage Analog Switch with Bleed Resistors
LE CL
D
LE
CL
LEVEL
SHIFTERS
OUTPUT
SWITCHES
LATCHES
VPP
VNN
VDD
DOUT
DIN
CLK
SW0
GND
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
SW1
SW2
SW14
SW15
RGND
16 BIT
SHIFT
REGISTER


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