HV2301FG-G Datasheet PDF - Supertex
| Part Number | HV2301FG-G | |
| Description | Enhanced Analog Switch | |
| Manufacturers | Supertex | |
| Logo |  |
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Supertex inc.
HV2301
Low Charge Injection, 8-Channel, High Voltage,
Enhanced Analog Switch with Bleed Resistors
Features
►► HVCMOS technology for high performance
►► Integrated bleed resistors on the outputs
►► 8 Channels of high voltage analog switch
►► 3.3 or 5.0V CMOS input logic level
►► 20MHz data shift clock frequency
►► Very low quiescent power dissipation (-10µA)
►► Low parasitic capacitance
►► DC to 50MHz 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
►► Inkjet printer heads
►► Optical MEMS modules
General Description
The Supertex HV2301 is a low charge injection, 8-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, piezoelectric transducer driver, and
printers. The built-in bleed resistors eliminate voltage built up on
capacitive loads such as piezoelectric transducers. The HV2301
is an enhanced version of the HV232.
Input data is shifted into an 8-bit shift register that can then be
retained in an 8-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 is 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., VPP/VNN: +40V/-160V, +100V/-100V, and +160V/-
40V.
Block Diagram
Latches
D
LE
CL
Level
Shifters
Output
Switches
SW0
CLK
8-Bit
DIN Shift
Register
D
LE
CL
D
LE
CL
SW1
SW2
DOUT
D
LE
CL
SW6
D
LE SW7
CL
VDD GND LE CLR
VNN VPP
RGND
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
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HV2301
Truth Table
D0 D1 D2 D3 D4 D5 D6 D7 LE CLR SW0 SW1 SW2 SW3 SW4 SW5 SW6 SW7
L L L Off
H L L On
L
LL
Off
H
LL
On
L
LL
Off
H
LL
On
L
LL
Off
H
LL
On
L LL
Off
H LL
On
L LL
Off
H LL
On
L LL
Off
H LL
On
LLL
Off
HLL
On
XXXXXXXXH L
Hold Previous State
XXXXXXXXXH
All Switches Off
Notes:
1. The eight switches operate independently.
2. Serial data is clocked in on the L to H transition of the CLK.
3. The switches go to a state retaining their present condition at the rising edge of LE. When LE is low the shift register data flow through the latch.
4.
5.
SDhOUifTt
is high when data in the
register clocking has no
shift register
effect on the
7 is high.
switch states
if
LE
is
high.
6. The CLR clear input overrides all other inputs.
Typical Waveforms
DN+1
DN
DATA
IN
50%
50%
DN-1
LE
CLOCK
DATA
OUT
OFF
VOUT
(typ)
ON
50%
50%
tWLE
tSD
50%
tSU th
tDO
50%
tOFF
90%
50%
tON
10%
CLR
50%
tWCL
50%
Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com
5
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Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for HV2301FG-G electronic component. |
| Information | Total 9 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ HV2301FG-G.PDF Datasheet ] | |
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