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PDF HV20822X Data sheet ( Hoja de datos )
| Número de pieza | HV20822X | |
| Descripción | High Voltage Analog Switch | |
| Fabricantes | Supertex Inc | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HV20822X (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Supertex inc.
HV20822
16-Channel,
High Voltage Analog Switch
Features
►► HVCMOS® technology for high performance
►►220V operating conditions
►► Output on-resistance typically 22Ω
►►5.0 and 12.0V CMOS logic compatibility
►►Very low quiescent current consumption (-10µA)
►► -45dB min off isolation at 7.5MHz
►► Low parasitic capacitance
►►Excellent noise immunity
►►Flexible high voltage supplies
Applications
►► Medical ultrasound imaging
►► Piezoelectric transducer drivers
General Description
The Supertex HV20822 is a 220V, 16-channel, high-
voltage analog switch integrated circuit (IC) configured as
2 sets of 8 single-pole single-throw analog switches. It
is intended for use in applications requiring high voltage
switching controlled by low voltage control signals such
as ultrasound imaging and printers.
The 2 sets of 8 analog switches are controlled by 2 input
logic controls, DIN1 and DIN2. A logic high on DIN1 will turn
On switches 0 to 7 and a logic high on DIN2 will turn On
switches 8 to 15.
Block Diagram
VDD
DIN1
Latch 1
Level
Translator 1
SW0
SW0
DIN2
LE
Latch 2
Level
Translator 2
GND
VPP
VNN
SW7
SW7
SW8
SW8
SW15
SW15
Doc.# DSFP-HV20822
C071613
Supertex inc.
www.supertex.com
1 page  
Test Circuits
VPP - 10V ISOL
VNN + 10
VOUT
100kΩ RL
VPP - 10V
10kΩ
VOUT
RL
HV20822
VPP VPP
VNN VPP
VDD
GND
5.0V
Switch Off Leakage
VPP VPP
VNN VPP
VDD
GND
5.0V
DC Offset ON/OFF
VPP VPP
VNN VPP
VDD
GND
5.0V
TON/TOFF Test Circuit
VIN = 10VP-P
@5.0MHz
VOUT
RL
VSIG
IID
VNN
VIN = 10VP-P
@5.0MHz
50Ω
VOUT
50Ω
NC
VPP VPP
VNN VPP
VDD
GND
KCR = 20Log
VOUT
VIN
OFF Isolation
5.0V
VPP VPP
VNN VPP
VDD
GND
5.0V
Isolation Diode Current
VPP VPP
VNN VPP
VDD
GND
5.0V
KCR = 20Log
VOUT
VIN
Crosstalk
∆VOUT
VOUT
1000pF
VSIG
VPP VPP
VNN VPP
VDD
GND
5.0V
Q = 1000pF x ΔVOUT
Charge Injection
+VSPK
VOUT
-VSPK
50Ω RL
1.0kΩ RL
VPP VPP
VNN VPP
VDD
GND
5.0V
Output Voltage Spike
Doc.# DSFP-HV20822
C071613
Supertex inc.
5 www.supertex.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HV20822X.PDF ] | |
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