Microchip HV2803 Bruksanvisning
Microchip
Inte kategoriserad
HV2803
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2017-2019 Microchip Technology Inc. DS20005721C-page 1
HV2803/HV2903/HV2904
Features
• 32-Channel, High-Voltage Analog Switch
• No High-Voltage Supplies Required
• 32-Channel, Single-Pole, Single-Throw (SPST)
Individual Switching or Bank Switching
• 3.3V CMOS Input Logic Level
• 66 MHz Data Shift Clock Frequency
• Silicon-on-Insulator (SOI) High-Voltage
Technology for High Performance
• Standby mode for Low-Power Dissipation
• Low-Parasitic Capacitance
• DC to 50 MHz Analog Small-Signal Frequency
• 200 kHz to 50 MHz Large-Signal Frequency
• -70 dB Typical Off Isolation at 5.0 MHz
• Excellent Noise Immunity
• Cascadable Serial Data Register with Latches
• Integrated Bleed Resistors on the Outputs (both
sides for HV2903, one side for HV2904)
Applications
• Medical Ultrasound Imaging
• Nondestructive Testing (NDT) Metal Flaw
Detection
• Piezoelectric Transducer Drivers
• Inkjet Printer Heads
• Optical MEMS Modules
General Description
The HV2803/HV2903/HV2904 devices are low harmonic
distortion, low charge injection, 32-channel, high-voltage
analog switches without high-voltage supplies. They are
intended for use in applications requiring high-voltage
switching controlled by low-voltage control signals, such
as medical ultrasound imaging, driving piezoelectric
transducers and printers.
The HV2903 device has integrated bleed resistors at
both sides of the switches; the HV2904 device has
bleed resistors at one side only, while the HV2803
device has no bleed resistors. The bleed resistor
eliminates voltage build-up on capacitive loads, such
as piezoelectric transducers.
The HV2803/HV2903/HV2904 devices have two
modes of operation determined by the MODE pin input.
MODE input high enables an individual Switching
mode of 32-channel SPST switches and MODE input
low enables a Bank Switching mode of 16-Pole
Double-Throw (16PDT) switches to support bank
switching for probe selection.
The devices require only ±6V or ±5V low-voltage
supplies and no high-voltage supplies. However, all the
analog switches can transmit ±100V high-voltage pulses.
Package Type
1 2 3 4 5 6 7 8 9 10 11 12 13
A
B
C
D
E
F
G
H
P
J
K
L
M
14
N
HV2803/HV2903/HV2904
12 x 12 x 1.20 mm TFBGA
(Top View*)
* See Section 2.0 “Package Pin Configuration
and Function Description”.
No High-Voltage Bias, Low Harmonic Distortion,
32-Channel, High-Voltage Analog Switch
Produktspecifikationer
| Varumärke: | Microchip |
| Kategori: | Inte kategoriserad |
| Modell: | HV2803 |
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