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HV2321FG-G 参数 Datasheet PDF下载

HV2321FG-G图片预览
型号: HV2321FG-G
PDF下载: 下载PDF文件 查看货源
内容描述: 低电荷注入, 8通道,单极性,负高压,模拟开关带泄漏电阻 [Low Charge Injection, 8-Channel, Unipolar, Negative High Voltage, Analog Switch With Bleed Resistors]
分类和应用: 开关高压
文件页数/大小: 8 页 / 712 K
品牌: SUPERTEX [ Supertex, Inc ]
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HV2321
Low Charge Injection, 8-Channel, Unipolar,
Negative High Voltage, Analog Switch With Bleed Resistors
Features
Low on-resistance, 14
Ω
max.
Integrated bleed resistors on the outputs
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 10MHz 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
General Description
The Supertex HV2321 is a low charge injection, 8-channel,
unipolar, negative 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 signals,
such as NDT metal flaw detection, medical ultrasound imaging,
piezoelectric transducer drivers, and printers. The bleed resistors
eliminate voltage built up on capacitive loads such as piezoelectric
transducers.
Data is input into an 8-bit shift register and then 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.
Applications
NDT metal flaw detection
Medical ultrasound imaging
Piezoelectric transducer drivers
Inkjet printer heads
Optical MEMS modules
Block Diagram
LATCHES
D
LE
CLR
LEVEL
SHIFTERS
OUTPUT
SWITCHES
SW0
CLK
D
LE
CLR
SW1
DIN
8-BIT
SHIFT
REGISTER
D
LE
CLR
SW2
DOUT
D
LE
CLR
SW6
D
LE
CL
SW7
VDD GND
LE
CLR
VNN VPP
RGND