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HV2901K6-G

Description
analog switch ics 32ch HV 200v analog switch
Categorysemiconductor    Other integrated circuit (IC)   
File Size610KB,9 Pages
ManufacturerSupertex
Environmental Compliance
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HV2901K6-G Overview

analog switch ics 32ch HV 200v analog switch

Supertex inc.
HV2901
Low Charge Injection 32-Channel
High Voltage Analog Switch with Bleed Resistors
Features
32-channel high voltage analog switch
Integrated bleed resistors on the outputs
2:1 Multiplexer / Demultiplexer
3.3V or 5.0V CMOS input logic level
20MHz data shift clock frequency
HVCMOS technology for high performance
Very low quiescent power dissipation -10µA
Low parasitic capacitance
DC to 50MHz analog signal frequency
-60dB typical OFF-isolation at 5.0MHz
CMOS logic circuitry for low power
Excellent noise immunity
Cascadable serial data register with latches
Flexible operating supply voltages
Medical ultrasound imaging
NDT metal flaw detection
Piezoelectric transducer drivers
Inkjet printer heads
Optical MEMS modules
General Description
The Supertex HV2901 is a low charge injection 32-channel high
voltage analog switch integrated circuit (IC) intended for use in
applications requiring high voltage switching controlled by low voltage
control signals, such as medical ultrasound imaging, piezoelectric
transducer driver, and printers. The bleed resistors eliminate voltage
built up on capacitive loads such as piezoelectric transducers.
Input data are shifted into a 32-bit shift registers that can then be
retained in a 32-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
/V
NN
: +40V/-160V, +100V/-100V, and +160V/-40V.
Applications
Block Diagram
Latches
D
LE
CLR
D
LE
CLR
D
LE
CLR
Level
Output
Shifters Switches
SW0
Y01
SW1
SW2
Y23
SW3
CLK
D
LE
CLR
DIN
32-Bit
Shift
Register
D
LE
CLR
D
LE
CLR
D
LE
CLR
D
LE
CLR
SW28
Y2829
SW29
SW30
Y3031
SW31
DOUT
VDD GND
Doc.# DSFP-HV2901
B011713
LE CLR
VNN VPP
RGND
Supertex inc.
www.supertex.com
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