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PDF HV2808 Data sheet ( Hoja de datos )
| Número de pieza | HV2808 | |
| Descripción | High Voltage Analog Switch IC | |
| Fabricantes | Supertex | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de HV2808 (archivo pdf) en la parte inferior de esta página. Total 7 Páginas | ||
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Supertex inc.
HV2808
Low Harmonic Distortion, 32-Channel,
High Voltage Analog Switch IC
Features
►► 32 Channels of high voltage analog switch
►► 2:1 Multiplexer / Demultiplexer
►► 3.3 or 5.0V CMOS input logic level
►► 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
►► Flexible operating supply voltages
Applications
►► Electromechanical relay replacement in
medical ultrasound probes.
General Description
The Supertex HV2808 is a low harmonic distortion, 32-channel,
high voltage analog switch integrated circuit (IC), designed for
use in medical ultrasound imaging systems as a probe selection
relay replacement. It serves as a 16PDT (16-pole, double throw)
high voltage analog switch array. HV2808 is a very fast transducer
multiplexer that consumes minimal power and emits no audible
noise.
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.
The HV2808 comes in an 8x8x1.0mm, 56-Lead QFN package.
Compared to an electromechanical relay, it not only saves
considerable PCB area, but also saves on the PCB assembled
height.
Block Diagram
+3.3V
1kΩ VDD
0.1µF
HV2808
Logic
A/B Control
&
Level
Shifters
Output
Switches
SW0
Y01
SW1
SW30
GND
VNN
VPP
-100V
+100V
0.1µF
0.1µF
Y3031
SW31
Doc.# DSFP-HV2808
C121712
Supertex inc.
www.supertex.com
1 page  
Test Circuits
VPP -10V ISOL
NC
SW0
Y01
SW1
NC VOUT
RLOAD
100kΩ
SW0
Y01
HV2808
SW1
NC
VPP -10V
RLOAD
10kΩ
VOUT
SW0
Y01
SW1
NC
VPP VPP
VNN VNN
VDD
GND
5.0V
Switch OFF Leakage
VPP VPP
VNN VNN
VDD
GND
5.0V
DC Offset ON/OFF
VPP VPP
VNN VNN
VDD
GND
5.0V
TON/TOFF Test Circuit
VIN = 10VP-P
@5.0MHz SW0
VOUT
50Ω
Y01
SW1
NC
VSIG
IID
NC
SW0
VNN
Y01
SW1
VIN = 10VP-P
@5.0MHz
SW0
NC Y01
50Ω NC SW2
Y23
SW1
NC
SW3
VOUT
50Ω
VPP VPP
VNN VNN
VDD
GND
5.0V
KO
=
20Log
VOUT
VIN
OFF Isolation
VPP VPP
VNN VNN
VDD
GND
5.0V
Isolation Diode Current
VPP VPP
VNN VNN
VDD
GND
5.0V
KCR
=
20Log
VOUT
VIN
Crosstalk
ΔVOUT
VOUT
SW0
1000pF
Y01
SW1
+VSPK
NC
VOUT
-VSPK 50Ω
SW0
Y01
RL
1kΩ
SW1
NC
+VSPK
RL
1kΩ
VOUT
-VSPK 50Ω
SW0
Y01
SW1
NC
VPP VPP
VNN VNN
VDD
GND
Q = 1000pF • ∆VOUT
Charge Injection
5.0V
VPP VPP
VNN VNN
VDD
GND
5.0V
Output Voltage Spike SW
VPP VPP
VNN VNN
VDD
GND
5.0V
Output Voltage Spike Y
Doc.# DSFP-HV2808
C121712
Supertex inc.
5 www.supertex.com
5 Page | ||
| Páginas | Total 7 Páginas | |
| PDF Descargar | [ Datasheet HV2808.PDF ] | |
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