PDF HV2761 Data sheet ( Hoja de datos )

Número de pieza	HV2761
Descripción	High Voltage Analog Switch
Fabricantes	Supertex
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No Preview Available ! Supertex inc. HV2761 Low Charge Injection, 24-Channel, High Voltage Analog Switch with Bleed Resistors Features ►► 24 Channels of high voltage analog switch ►► Integrated bleed resistors on the outputs ►► 3.3 or 5.0V CMOS input logic level ►► 3:1 MUX-deMUX with 8 states ►► 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 ►► Piezoelectric transducer drivers ►► Inkjet printer heads ►► Optical MEMS modules General Description The Supertex HV2761 is a low charge injection, 24-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 drivers, and printers. The bleed resistors eliminate voltage built up on capacitive loads such as piezoelectric transducers. Input data is shifted into a 24-bit shift register that can then be retained in a 24-bit latch. To reduce any possible clock feed through noise, the latch enable (LE) 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 CLK DIN DOUT 24-Bit Shift Register Latches Levelhttp://www.DataSheet4U.net/ Shifters D LE CLR Output Switches D LE CLR D LE CLR D LE CLR D LE CLR D LE CLR SW0 SW1 Y0 SW2 SW3 SW4 Y1 SW5 Doc.# DSFP-HV2761 NR121312 D LE CLR D LE CLR D LE CLR VDD GND LE CLR VNN VPP SW21 SW22 Y7 SW23 RGND Supertex inc. www.supertex.com datasheet pdf - http://www.DataSheet4U.net/ 1 page HV2761 AC Electrical Characteristics (cont.) (Over recommended operating conditions unless otherwise specified) Sym Parameter 0OC +25OC +70OC Unit Conditions Min Max Min Typ Max Min Max QC Charge injection (per switch) - - - 820 - - - VPP = +40V, VNN = -160V - - - 600 - - - pC VPP = +100V, VNN = -100V - - - 350 - - - VPP = +160V, VNN = -40V Test Circuits VPP -10V ISOL NC SW0 Y0 SW1 NC VOUT SW2 NC SW0 Y0 SW1 SW2 VPP -10V NC RLOAD 10kΩ NC VOUT SW0 Y0 SW1 SW2 NC NC NC RGND RGND RGND 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 Y0 RGND SW1 SW2 NC NC VSIG IID NC SW0 SW1 VNN Y0 http://www.DataSheet4U.net/ SW2 NC NC 50Ω VOUT NC 50Ω SW0 Y0 SW3 Y1 NC VIN = 10VP-P @5.0MHz SW1 SW2 SW4 SW5 NC NC NC ΔVOUT VOUT VPP VPP VDD 5.0V VNN VNN GND KO = 20Log VOUT VIN OFF Isolation VPP VPP VNN VNN VDD GND 5.0V Isolation Diode Current VPP VPP VNN VNN VDD GND 5.0V KCR = 20Log VOUT VIN Crosstalk SW0 1000pF Y0 SW1 NC SW2 NC RGND +VSPK VOUT SW0 -VSPK 50Ω Y0 RL 1kΩ SW1 SW2 RGND NC RL +VSPK 1kΩ VOUT NC -VSPK 50Ω SW0 Y0 SW1 NC SW2 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 Doc.# DSFP-HV2761 NR121312 5 Supertex inc. www.supertex.com datasheet pdf - http://www.DataSheet4U.net/ 5 Page

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