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HV219 データシート PDF ( 特性, スペック, ピン接続図 )

部品番号 HV219
部品説明 8-Channel High Voltage Analog Switch
メーカ Supertex
ロゴ Supertex ロゴ 

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HV219 Datasheet, HV219 PDF,ピン配置, 機能
Supertex inc.
HV219
200V Low Charge Injection
8-Channel High Voltage Analog Switch
Features
►HVCMOS® technology for high performance
►Very low quiescent power dissipation (-10µA)
Output on-resistance typically 11Ω
►Low parasitic capacitance
►DC to 50MHz small signal frequency response
►-60dB typical off-isolation at 5.0MHz
►CMOS logic circuitry for low power
►Excellent noise immunity
►Serial shift register logic control with latches
►Flexible operating supply voltages
►Surface mount packages
Applications
►Medical ultrasound imaging
►Non-destructive evaluation
General Description
The Supertex HV219 is a low switch resistance, low charge
injection, 8-channel, 200V, analog switch integrated circuit (IC)
intended primarily for medical ultrasound imaging. The device can
also be used for NDE (non-destructive evaluation) applications. The
HV219 is a lower switch resistance, 11Ω versus 22Ω, version of the
Supertex HV20220 device. The lower switch resistance will help
reduce insertion loss. It has the same pin configuration as that of the
Supertex HV20220PJ and the HV20220FG.
The device is manufactured using Supertex’s HVCMOS® (high
voltage CMOS) technology with high voltage bilateral DMOS
structures for the outputs and low voltage CMOS logic for the input
control. The outputs are configured as eight independent single
pole single throw 11Ω analog switches. The input logic is an 8-bit
serial to parallel shift register followed by an 8-bit parallel latch. The
switch states are determined by the data in the latch. Logic high will
correspond to a closed switch and logic low as an opened switch.
Block Diagram
The HV219 is designed to operate on various combinations of high
voltage supplies. For example the VPP and VNN supplies can be:
+40V/-160V, +100V/-100V, or +160V/-40V. This allows the user to
maximize the signal voltage for uni-polar negative, bi-polar, or uni-
polar positive.
DIN
CLK
DOUT
8-Bit
Shift
Register
Level Output
Latches Shifters Switches
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
D
LE
CL
SW0
SW1
SW2
SW3
SW4
SW5
SW6
SW7
Doc.# DSFP-HV219
C070713
VDD GND LE CL
VNN VPP
Supertex inc.
www.supertex.com

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