PDF HV2901 Data sheet ( Hoja de datos )

Número de pieza	HV2901
Descripción	High Voltage Analog Switch
Fabricantes	Supertex
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No Preview Available ! www.DataSheet.co.kr Supertex inc. HV2901 Low Charge Injection 32-Channel High Voltage Analog Switch with Bleed Resistors Features ►► 32 Channels of high voltage analog switch ►► Integrated bleed resistors on the outputs ►► 2:1 Multiplexer / Demultiplexer ►► 3.3V or 5.0V CMOS input logic level ►► 30MHz 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 Block Diagram CLK 32-Bit DIN Shift Register DOUT General Description The Supertex HV2901 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. The bleed resistors eliminate voltage built up on capacitive loads such as piezoelectric transducers. Input data are shifted into a 32-bit shift registers 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. Latches D LE CLR Level Output Shifters Switches D LE CLR D LE CLR D LE CLR SW0 Y01 SW1 SW2 Y23 SW3 D SW28 LE CLR Y2829 D LE CLR SW29 D SW30 LE CLR Y3031 D LE CLR SW31 VDD GND LE CLR VNN VPP RGND Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com Datasheet pdf - http://www.DataSheet4U.net/ 1 page www.DataSheet.co.kr HV2901 Test Circuits VPP -10V ISOL NC NC SW0 Y01 RGND SW1 NC VOUT SW0 Y01 RGND SW1 NC VPP -10V RLOAD 10kΩ VOUT SW0 Y01 RGND 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 RGND SW1 NC VPP VPP VDD 5.0V VNN VNN GND KO = 20Log VOUT VIN OFF Isolation VSIG SW0 IID NC VNN Y01 SW1 VIN = 10VP-P @5.0MHz SW0 NC Y01 50Ω NC SW2 NC Y23 RGND SW1 NC SW3 VOUT 50Ω 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 VOUT NC -VSPK 50Ω SW0 RGND Y01 RL 1kΩ SW1 RGND NC +VSPK RL 1kΩ VOUT -VSPK 50Ω SW0 Y01 SW1 NC RGND 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 Supertex inc. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ● Tel: 408-222-8888 ● www.supertex.com 5 Datasheet pdf - http://www.DataSheet4U.net/ 5 Page

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