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零件编号 | HV2801 | ||
描述 | High Voltage Analog Switch | ||
制造商 | Supertex | ||
LOGO | |||
1 Page
Supertex inc.
Low Charge Injection 32-Channel
High Voltage Analog Switch
HV2801
Features
►►32-Channel high voltage analog switch
►►2:1 Multiplexer / Demultiplexer
►►3.3V or 5.0V CMOS input logic level
►►20MHz data shift clock frequency
►►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
►►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 HV2801 is a low charge injection 32-channel high
voltage analog switch integrated circuit (IC) intended for use in
applications requiring high voltage switching controlled by low
voltage control signals, such as medical ultrasound imaging,
piezoelectric transducer driver, and printers.
Input data are shifted into a 32-bit shift register that can then be
retained in a 32-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 are 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
Doc.# DSFP-HV2801
NR013113
CLK
DIN
DOUT
32-Bit
Shift
Register
VDD GND
Latches
D
LE
CLR
Level Output
Shifters Switches
D
LE
CLR
D
LE
CLR
D
LE
CLR
SW0
Y01
SW1
SW2
Y23
SW3
D
LE
CLR
D
LE
CLR
D
LE
CLR
D
LE
CLR
LE CLR
VNN VPP
SW28
Y2829
SW29
SW30
Y3031
SW31
Supertex inc.
www.supertex.com
Pin Function
Pin Function
1 SW30
2 Y3031
3 SW31
4 NC
5 CLR
6 NC
7 LE
8 CLK
9 VDD
10 DIN
11 GND
12 DOUT
13 NC
14 SW0
15 Y01
16 SW1
Pin Function
17 SW2
18 Y23
19 SW3
20 SW4
21 Y45
22 SW5
23 SW6
24 Y67
25 SW7
26 SW8
27 Y89
28 SW9
29 SW10
30 Y1011
31 SW11
32 SW12
Pin Function
33 Y1213
34 SW13
35 VPP
36 NC
37 VNN
38 SW14
39 Y1415
40 SW15
41 SW16
42 Y1617
43 SW17
44 VNN
45 NC
46 VPP
47 SW18
48 Y1819
HV2801
Pin Function
49 SW19
50 SW20
51 Y2021
52 SW21
53 SW22
54 Y2223
55 SW23
56 SW24
57 Y2425
58 SW25
59 SW26
60 Y2627
61 SW27
62 SW28
63 Y2829
64 SW29
VSUB (Thermal Pad)
The central thermal pad on the bottom of package must be connected to VNN externally
Doc.# DSFP-HV2801
NR013113
Supertex inc.
8 www.supertex.com
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页数 | 9 页 | ||
下载 | [ HV2801.PDF 数据手册 ] |
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